diff src/testdir/test_cmdline.vim @ 32670:695b50472e85

Fix line endings issue
author Christian Brabandt <cb@256bit.org>
date Mon, 26 Jun 2023 13:13:12 +0200
parents 448aef880252
children a61007fbc2a3
line wrap: on
line diff
--- a/src/testdir/test_cmdline.vim
+++ b/src/testdir/test_cmdline.vim
@@ -1,3501 +1,3501 @@
-" Tests for editing the command line.
-
-source check.vim
-source screendump.vim
-source view_util.vim
-source shared.vim
-import './vim9.vim' as v9
-
-func SetUp()
-  func SaveLastScreenLine()
-    let g:Sline = Screenline(&lines - 1)
-    return ''
-  endfunc
-  cnoremap <expr> <F4> SaveLastScreenLine()
-endfunc
-
-func TearDown()
-  delfunc SaveLastScreenLine
-  cunmap <F4>
-endfunc
-
-func Test_complete_tab()
-  call writefile(['testfile'], 'Xtestfile', 'D')
-  call feedkeys(":e Xtest\t\r", "tx")
-  call assert_equal('testfile', getline(1))
-
-  " Pressing <Tab> after '%' completes the current file, also on MS-Windows
-  call feedkeys(":e %\t\r", "tx")
-  call assert_equal('e Xtestfile', @:)
-endfunc
-
-func Test_complete_list()
-  " We can't see the output, but at least we check the code runs properly.
-  call feedkeys(":e test\<C-D>\r", "tx")
-  call assert_equal('test', expand('%:t'))
-
-  " If a command doesn't support completion, then CTRL-D should be literally
-  " used.
-  call feedkeys(":chistory \<C-D>\<C-B>\"\<CR>", 'xt')
-  call assert_equal("\"chistory \<C-D>", @:)
-
-  " Test for displaying the tail of the completion matches
-  set wildmode=longest,full
-  call mkdir('Xtest', 'R')
-  call writefile([], 'Xtest/a.c')
-  call writefile([], 'Xtest/a.h')
-  let g:Sline = ''
-  call feedkeys(":e Xtest/\<C-D>\<F4>\<C-B>\"\<CR>", 'xt')
-  call assert_equal('a.c  a.h', g:Sline)
-  call assert_equal('"e Xtest/', @:)
-  if has('win32')
-    " Test for 'completeslash'
-    set completeslash=backslash
-    call feedkeys(":e Xtest\<Tab>\<C-B>\"\<CR>", 'xt')
-    call assert_equal('"e Xtest\', @:)
-    call feedkeys(":e Xtest/\<Tab>\<C-B>\"\<CR>", 'xt')
-    call assert_equal('"e Xtest\a.', @:)
-    set completeslash=slash
-    call feedkeys(":e Xtest\<Tab>\<C-B>\"\<CR>", 'xt')
-    call assert_equal('"e Xtest/', @:)
-    call feedkeys(":e Xtest\\\<Tab>\<C-B>\"\<CR>", 'xt')
-    call assert_equal('"e Xtest/a.', @:)
-    set completeslash&
-  endif
-
-  " Test for displaying the tail with wildcards
-  let g:Sline = ''
-  call feedkeys(":e Xtes?/\<C-D>\<F4>\<C-B>\"\<CR>", 'xt')
-  call assert_equal('Xtest/a.c  Xtest/a.h', g:Sline)
-  call assert_equal('"e Xtes?/', @:)
-  let g:Sline = ''
-  call feedkeys(":e Xtes*/\<C-D>\<F4>\<C-B>\"\<CR>", 'xt')
-  call assert_equal('Xtest/a.c  Xtest/a.h', g:Sline)
-  call assert_equal('"e Xtes*/', @:)
-  let g:Sline = ''
-  call feedkeys(":e Xtes[/\<C-D>\<F4>\<C-B>\"\<CR>", 'xt')
-  call assert_equal(':e Xtes[/', g:Sline)
-  call assert_equal('"e Xtes[/', @:)
-
-  set wildmode&
-endfunc
-
-func Test_complete_wildmenu()
-  call mkdir('Xwilddir1/Xdir2', 'pR')
-  call writefile(['testfile1'], 'Xwilddir1/Xtestfile1')
-  call writefile(['testfile2'], 'Xwilddir1/Xtestfile2')
-  call writefile(['testfile3'], 'Xwilddir1/Xdir2/Xtestfile3')
-  call writefile(['testfile3'], 'Xwilddir1/Xdir2/Xtestfile4')
-  set wildmenu
-
-  " Pressing <Tab> completes, and moves to next files when pressing again.
-  call feedkeys(":e Xwilddir1/\<Tab>\<Tab>\<CR>", 'tx')
-  call assert_equal('testfile1', getline(1))
-  call feedkeys(":e Xwilddir1/\<Tab>\<Tab>\<Tab>\<CR>", 'tx')
-  call assert_equal('testfile2', getline(1))
-
-  " <S-Tab> is like <Tab> but begin with the last match and then go to
-  " previous.
-  call feedkeys(":e Xwilddir1/Xtest\<S-Tab>\<CR>", 'tx')
-  call assert_equal('testfile2', getline(1))
-  call feedkeys(":e Xwilddir1/Xtest\<S-Tab>\<S-Tab>\<CR>", 'tx')
-  call assert_equal('testfile1', getline(1))
-
-  " <Left>/<Right> to move to previous/next file.
-  call feedkeys(":e Xwilddir1/\<Tab>\<Right>\<CR>", 'tx')
-  call assert_equal('testfile1', getline(1))
-  call feedkeys(":e Xwilddir1/\<Tab>\<Right>\<Right>\<CR>", 'tx')
-  call assert_equal('testfile2', getline(1))
-  call feedkeys(":e Xwilddir1/\<Tab>\<Right>\<Right>\<Left>\<CR>", 'tx')
-  call assert_equal('testfile1', getline(1))
-
-  " <Up>/<Down> to go up/down directories.
-  call feedkeys(":e Xwilddir1/\<Tab>\<Down>\<CR>", 'tx')
-  call assert_equal('testfile3', getline(1))
-  call feedkeys(":e Xwilddir1/\<Tab>\<Down>\<Up>\<Right>\<CR>", 'tx')
-  call assert_equal('testfile1', getline(1))
-
-  " this fails in some Unix GUIs, not sure why
-  if !has('unix') || !has('gui_running')
-    " <C-J>/<C-K> mappings to go up/down directories when 'wildcharm' is
-    " different than 'wildchar'.
-    set wildcharm=<C-Z>
-    cnoremap <C-J> <Down><C-Z>
-    cnoremap <C-K> <Up><C-Z>
-    call feedkeys(":e Xwilddir1/\<Tab>\<C-J>\<CR>", 'tx')
-    call assert_equal('testfile3', getline(1))
-    call feedkeys(":e Xwilddir1/\<Tab>\<C-J>\<C-K>\<CR>", 'tx')
-    call assert_equal('testfile1', getline(1))
-    set wildcharm=0
-    cunmap <C-J>
-    cunmap <C-K>
-  endif
-
-  " Test for canceling the wild menu by adding a character
-  redrawstatus
-  call feedkeys(":e Xwilddir1/\<Tab>x\<C-B>\"\<CR>", 'xt')
-  call assert_equal('"e Xwilddir1/Xdir2/x', @:)
-
-  " Completion using a relative path
-  cd Xwilddir1/Xdir2
-  call feedkeys(":e ../\<Tab>\<Right>\<Down>\<C-A>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"e Xtestfile3 Xtestfile4', @:)
-  cd -
-
-  " test for wildmenumode()
-  cnoremap <expr> <F2> wildmenumode()
-  call feedkeys(":cd Xwilddir\<Tab>\<F2>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"cd Xwilddir1/0', @:)
-  call feedkeys(":e Xwilddir1/\<Tab>\<F2>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"e Xwilddir1/Xdir2/1', @:)
-  cunmap <F2>
-
-  " Test for canceling the wild menu by pressing <PageDown> or <PageUp>.
-  " After this pressing <Left> or <Right> should not change the selection.
-  call feedkeys(":sign \<Tab>\<PageDown>\<Left>\<Right>\<C-A>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"sign define', @:)
-  call histadd('cmd', 'TestWildMenu')
-  call feedkeys(":sign \<Tab>\<PageUp>\<Left>\<Right>\<C-A>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"TestWildMenu', @:)
-
-  " cleanup
-  %bwipe
-  set nowildmenu
-endfunc
-
-func Test_wildmenu_screendump()
-  CheckScreendump
-
-  let lines =<< trim [SCRIPT]
-    set wildmenu hlsearch
-  [SCRIPT]
-  call writefile(lines, 'XTest_wildmenu', 'D')
-
-  let buf = RunVimInTerminal('-S XTest_wildmenu', {'rows': 8})
-  call term_sendkeys(buf, ":vim\<Tab>")
-  call VerifyScreenDump(buf, 'Test_wildmenu_1', {})
-
-  call term_sendkeys(buf, "\<Tab>")
-  call VerifyScreenDump(buf, 'Test_wildmenu_2', {})
-
-  call term_sendkeys(buf, "\<Tab>")
-  call VerifyScreenDump(buf, 'Test_wildmenu_3', {})
-
-  call term_sendkeys(buf, "\<Tab>\<Tab>")
-  call VerifyScreenDump(buf, 'Test_wildmenu_4', {})
-  call term_sendkeys(buf, "\<Esc>")
-
-  " clean up
-  call StopVimInTerminal(buf)
-endfunc
-
-func Test_redraw_in_autocmd()
-  CheckScreendump
-
-  let lines =<< trim END
-      set cmdheight=2
-      autocmd CmdlineChanged * redraw
-  END
-  call writefile(lines, 'XTest_redraw', 'D')
-
-  let buf = RunVimInTerminal('-S XTest_redraw', {'rows': 8})
-  call term_sendkeys(buf, ":for i in range(3)\<CR>")
-  call VerifyScreenDump(buf, 'Test_redraw_in_autocmd_1', {})
-
-  call term_sendkeys(buf, "let i =")
-  call VerifyScreenDump(buf, 'Test_redraw_in_autocmd_2', {})
-
-  " clean up
-  call term_sendkeys(buf, "\<CR>")
-  call StopVimInTerminal(buf)
-endfunc
-
-func Test_redrawstatus_in_autocmd()
-  CheckScreendump
-
-  let lines =<< trim END
-      set laststatus=2
-      set statusline=%=:%{getcmdline()}
-      autocmd CmdlineChanged * redrawstatus
-  END
-  call writefile(lines, 'XTest_redrawstatus', 'D')
-
-  let buf = RunVimInTerminal('-S XTest_redrawstatus', {'rows': 8})
-  " :redrawstatus is postponed if messages have scrolled
-  call term_sendkeys(buf, ":echo \"one\\ntwo\\nthree\\nfour\"\<CR>")
-  call term_sendkeys(buf, ":foobar")
-  call VerifyScreenDump(buf, 'Test_redrawstatus_in_autocmd_1', {})
-  " it is not postponed if messages have not scrolled
-  call term_sendkeys(buf, "\<Esc>:for in in range(3)")
-  call VerifyScreenDump(buf, 'Test_redrawstatus_in_autocmd_2', {})
-  " with cmdheight=1 messages have scrolled when typing :endfor
-  call term_sendkeys(buf, "\<CR>:endfor")
-  call VerifyScreenDump(buf, 'Test_redrawstatus_in_autocmd_3', {})
-  call term_sendkeys(buf, "\<CR>:set cmdheight=2\<CR>")
-  " with cmdheight=2 messages haven't scrolled when typing :for or :endfor
-  call term_sendkeys(buf, ":for in in range(3)")
-  call VerifyScreenDump(buf, 'Test_redrawstatus_in_autocmd_4', {})
-  call term_sendkeys(buf, "\<CR>:endfor")
-  call VerifyScreenDump(buf, 'Test_redrawstatus_in_autocmd_5', {})
-
-  " clean up
-  call term_sendkeys(buf, "\<CR>")
-  call StopVimInTerminal(buf)
-endfunc
-
-func Test_changing_cmdheight()
-  CheckScreendump
-
-  let lines =<< trim END
-      set cmdheight=1 laststatus=2
-      func EchoTwo()
-        set laststatus=2
-        set cmdheight=5
-        echo 'foo'
-        echo 'bar'
-        set cmdheight=1
-      endfunc
-  END
-  call writefile(lines, 'XTest_cmdheight', 'D')
-
-  let buf = RunVimInTerminal('-S XTest_cmdheight', {'rows': 8})
-  call term_sendkeys(buf, ":resize -3\<CR>")
-  call VerifyScreenDump(buf, 'Test_changing_cmdheight_1', {})
-
-  " using the space available doesn't change the status line
-  call term_sendkeys(buf, ":set cmdheight+=3\<CR>")
-  call VerifyScreenDump(buf, 'Test_changing_cmdheight_2', {})
-
-  " using more space moves the status line up
-  call term_sendkeys(buf, ":set cmdheight+=1\<CR>")
-  call VerifyScreenDump(buf, 'Test_changing_cmdheight_3', {})
-
-  " reducing cmdheight moves status line down
-  call term_sendkeys(buf, ":set cmdheight-=2\<CR>")
-  call VerifyScreenDump(buf, 'Test_changing_cmdheight_4', {})
-
-  " reducing window size and then setting cmdheight
-  call term_sendkeys(buf, ":resize -1\<CR>")
-  call term_sendkeys(buf, ":set cmdheight=1\<CR>")
-  call VerifyScreenDump(buf, 'Test_changing_cmdheight_5', {})
-
-  " setting 'cmdheight' works after outputting two messages
-  call term_sendkeys(buf, ":call EchoTwo()\<CR>")
-  call VerifyScreenDump(buf, 'Test_changing_cmdheight_6', {})
-
-  " clean up
-  call StopVimInTerminal(buf)
-endfunc
-
-func Test_cmdheight_tabline()
-  CheckScreendump
-
-  let buf = RunVimInTerminal('-c "set ls=2" -c "set stal=2" -c "set cmdheight=1"', {'rows': 6})
-  call VerifyScreenDump(buf, 'Test_cmdheight_tabline_1', {})
-
-  " clean up
-  call StopVimInTerminal(buf)
-endfunc
-
-func Test_map_completion()
-  call feedkeys(":map <unique> <si\<Tab>\<Home>\"\<CR>", 'xt')
-  call assert_equal('"map <unique> <silent>', getreg(':'))
-  call feedkeys(":map <script> <un\<Tab>\<Home>\"\<CR>", 'xt')
-  call assert_equal('"map <script> <unique>', getreg(':'))
-  call feedkeys(":map <expr> <sc\<Tab>\<Home>\"\<CR>", 'xt')
-  call assert_equal('"map <expr> <script>', getreg(':'))
-  call feedkeys(":map <buffer> <e\<Tab>\<Home>\"\<CR>", 'xt')
-  call assert_equal('"map <buffer> <expr>', getreg(':'))
-  call feedkeys(":map <nowait> <b\<Tab>\<Home>\"\<CR>", 'xt')
-  call assert_equal('"map <nowait> <buffer>', getreg(':'))
-  call feedkeys(":map <special> <no\<Tab>\<Home>\"\<CR>", 'xt')
-  call assert_equal('"map <special> <nowait>', getreg(':'))
-  call feedkeys(":map <silent> <sp\<Tab>\<Home>\"\<CR>", 'xt')
-  call assert_equal('"map <silent> <special>', getreg(':'))
-
-  map <Middle>x middle
-
-  map ,f commaf
-  map ,g commaf
-  map <Left> left
-  map <A-Left>x shiftleft
-  call feedkeys(":map ,\<Tab>\<Home>\"\<CR>", 'xt')
-  call assert_equal('"map ,f', getreg(':'))
-  call feedkeys(":map ,\<Tab>\<Tab>\<Home>\"\<CR>", 'xt')
-  call assert_equal('"map ,g', getreg(':'))
-  call feedkeys(":map <L\<Tab>\<Home>\"\<CR>", 'xt')
-  call assert_equal('"map <Left>', getreg(':'))
-  call feedkeys(":map <A-Left>\<Tab>\<Home>\"\<CR>", 'xt')
-  call assert_equal("\"map <A-Left>\<Tab>", getreg(':'))
-  call feedkeys(":map <M-Left>\<Tab>\<Home>\"\<CR>", 'xt')
-  call assert_equal("\"map <M-Left>x", getreg(':'))
-  unmap ,f
-  unmap ,g
-  unmap <Left>
-  unmap <A-Left>x
-
-  set cpo-=< cpo-=k
-  map <Left> left
-  call feedkeys(":map <L\<Tab>\<Home>\"\<CR>", 'xt')
-  call assert_equal('"map <Left>', getreg(':'))
-  call feedkeys(":map <M\<Tab>\<Home>\"\<CR>", 'xt')
-  call assert_equal("\"map <M\<Tab>", getreg(':'))
-  call feedkeys(":map \<C-V>\<C-V><M\<Tab>\<Home>\"\<CR>", 'xt')
-  call assert_equal("\"map \<C-V><Middle>x", getreg(':'))
-  unmap <Left>
-
-  set cpo+=<
-  map <Left> left
-  exe "set t_k6=\<Esc>[17~"
-  call feedkeys(":map \<Esc>[17~x f6x\<CR>", 'xt')
-  call feedkeys(":map <L\<Tab>\<Home>\"\<CR>", 'xt')
-  call assert_equal('"map <Left>', getreg(':'))
-  if !has('gui_running')
-    call feedkeys(":map \<Esc>[17~\<Tab>\<Home>\"\<CR>", 'xt')
-    call assert_equal("\"map <F6>x", getreg(':'))
-  endif
-  unmap <Left>
-  call feedkeys(":unmap \<Esc>[17~x\<CR>", 'xt')
-  set cpo-=<
-
-  set cpo+=B
-  map <Left> left
-  call feedkeys(":map <L\<Tab>\<Home>\"\<CR>", 'xt')
-  call assert_equal('"map <Left>', getreg(':'))
-  unmap <Left>
-  set cpo-=B
-
-  set cpo+=k
-  map <Left> left
-  call feedkeys(":map <L\<Tab>\<Home>\"\<CR>", 'xt')
-  call assert_equal('"map <Left>', getreg(':'))
-  unmap <Left>
-  set cpo-=k
-
-  call assert_fails('call feedkeys(":map \\\\%(\<Tab>\<Home>\"\<CR>", "xt")', 'E53:')
-
-  unmap <Middle>x
-  set cpo&vim
-endfunc
-
-func Test_match_completion()
-  hi Aardig ctermfg=green
-  call feedkeys(":match \<Tab>\<Home>\"\<CR>", 'xt')
-  call assert_equal('"match Aardig', @:)
-  call feedkeys(":match \<S-Tab>\<Home>\"\<CR>", 'xt')
-  call assert_equal('"match none', @:)
-  call feedkeys(":match | chist\<Tab>\<C-B>\"\<CR>", 'xt')
-  call assert_equal('"match | chistory', @:)
-endfunc
-
-func Test_highlight_completion()
-  hi Aardig ctermfg=green
-  call feedkeys(":hi \<Tab>\<Home>\"\<CR>", 'xt')
-  call assert_equal('"hi Aardig', getreg(':'))
-  call feedkeys(":hi default \<Tab>\<Home>\"\<CR>", 'xt')
-  call assert_equal('"hi default Aardig', getreg(':'))
-  call feedkeys(":hi clear Aa\<Tab>\<Home>\"\<CR>", 'xt')
-  call assert_equal('"hi clear Aardig', getreg(':'))
-  call feedkeys(":hi li\<S-Tab>\<Home>\"\<CR>", 'xt')
-  call assert_equal('"hi link', getreg(':'))
-  call feedkeys(":hi d\<S-Tab>\<Home>\"\<CR>", 'xt')
-  call assert_equal('"hi default', getreg(':'))
-  call feedkeys(":hi c\<S-Tab>\<Home>\"\<CR>", 'xt')
-  call assert_equal('"hi clear', getreg(':'))
-  call feedkeys(":hi clear Aardig Aard\<Tab>\<C-B>\"\<CR>", 'xt')
-  call assert_equal('"hi clear Aardig Aardig', getreg(':'))
-  call feedkeys(":hi Aardig \<Tab>\<C-B>\"\<CR>", 'xt')
-  call assert_equal("\"hi Aardig \t", getreg(':'))
-
-  " A cleared group does not show up in completions.
-  hi Anders ctermfg=green
-  call assert_equal(['Aardig', 'Anders'], getcompletion('A', 'highlight'))
-  hi clear Aardig
-  call assert_equal(['Anders'], getcompletion('A', 'highlight'))
-  hi clear Anders
-  call assert_equal([], getcompletion('A', 'highlight'))
-endfunc
-
-" Test for command-line expansion of "hi Ni " (easter egg)
-func Test_highlight_easter_egg()
-  call test_override('ui_delay', 1)
-  call feedkeys(":hi Ni \<Tab>\<C-B>\"\<CR>", 'xt')
-  call assert_equal("\"hi Ni \<Tab>", @:)
-  call test_override('ALL', 0)
-endfunc
-
-func Test_getcompletion()
-  let groupcount = len(getcompletion('', 'event'))
-  call assert_true(groupcount > 0)
-  let matchcount = len('File'->getcompletion('event'))
-  call assert_true(matchcount > 0)
-  call assert_true(groupcount > matchcount)
-
-  if has('menu')
-    source $VIMRUNTIME/menu.vim
-    let matchcount = len(getcompletion('', 'menu'))
-    call assert_true(matchcount > 0)
-    call assert_equal(['File.'], getcompletion('File', 'menu'))
-    call assert_true(matchcount > 0)
-    let matchcount = len(getcompletion('File.', 'menu'))
-    call assert_true(matchcount > 0)
-    source $VIMRUNTIME/delmenu.vim
-  endif
-
-  let l = getcompletion('v:n', 'var')
-  call assert_true(index(l, 'v:null') >= 0)
-  let l = getcompletion('v:notexists', 'var')
-  call assert_equal([], l)
-
-  args a.c b.c
-  let l = getcompletion('', 'arglist')
-  call assert_equal(['a.c', 'b.c'], l)
-  let l = getcompletion('a.', 'buffer')
-  call assert_equal(['a.c'], l)
-  %argdelete
-
-  let l = getcompletion('', 'augroup')
-  call assert_true(index(l, 'END') >= 0)
-  let l = getcompletion('blahblah', 'augroup')
-  call assert_equal([], l)
-
-  let l = getcompletion('', 'behave')
-  call assert_true(index(l, 'mswin') >= 0)
-  let l = getcompletion('not', 'behave')
-  call assert_equal([], l)
-
-  let l = getcompletion('', 'color')
-  call assert_true(index(l, 'default') >= 0)
-  let l = getcompletion('dirty', 'color')
-  call assert_equal([], l)
-
-  let l = getcompletion('', 'command')
-  call assert_true(index(l, 'sleep') >= 0)
-  let l = getcompletion('awake', 'command')
-  call assert_equal([], l)
-
-  let l = getcompletion('', 'dir')
-  call assert_true(index(l, 'samples/') >= 0)
-  let l = getcompletion('NoMatch', 'dir')
-  call assert_equal([], l)
-
-  if glob('~/*') !=# ''
-    let l = getcompletion('~/', 'dir')
-    call assert_true(l[0][0] ==# '~')
-  endif
-
-  let l = getcompletion('exe', 'expression')
-  call assert_true(index(l, 'executable(') >= 0)
-  let l = getcompletion('kill', 'expression')
-  call assert_equal([], l)
-
-  let l = getcompletion('tag', 'function')
-  call assert_true(index(l, 'taglist(') >= 0)
-  let l = getcompletion('paint', 'function')
-  call assert_equal([], l)
-
-  if !has('ruby')
-    " global_functions[] has an entry but it doesn't have an implementation
-    let l = getcompletion('ruby', 'function')
-    call assert_equal([], l)
-  endif
-
-  let Flambda = {-> 'hello'}
-  let l = getcompletion('', 'function')
-  let l = filter(l, {i, v -> v =~ 'lambda'})
-  call assert_equal([], l)
-
-  let l = getcompletion('run', 'file')
-  call assert_true(index(l, 'runtest.vim') >= 0)
-  let l = getcompletion('walk', 'file')
-  call assert_equal([], l)
-  set wildignore=*.vim
-  let l = getcompletion('run', 'file', 1)
-  call assert_true(index(l, 'runtest.vim') < 0)
-  set wildignore&
-  " Directory name with space character
-  call mkdir('Xdir with space', 'D')
-  call assert_equal(['Xdir with space/'], getcompletion('Xdir\ w', 'shellcmd'))
-  call assert_equal(['./Xdir with space/'], getcompletion('./Xdir', 'shellcmd'))
-
-  let l = getcompletion('ha', 'filetype')
-  call assert_true(index(l, 'hamster') >= 0)
-  let l = getcompletion('horse', 'filetype')
-  call assert_equal([], l)
-
-  let l = getcompletion('z', 'syntax')
-  call assert_true(index(l, 'zimbu') >= 0)
-  let l = getcompletion('emacs', 'syntax')
-  call assert_equal([], l)
-
-  let l = getcompletion('jikes', 'compiler')
-  call assert_true(index(l, 'jikes') >= 0)
-  let l = getcompletion('break', 'compiler')
-  call assert_equal([], l)
-
-  let l = getcompletion('last', 'help')
-  call assert_true(index(l, ':tablast') >= 0)
-  let l = getcompletion('giveup', 'help')
-  call assert_equal([], l)
-
-  let l = getcompletion('time', 'option')
-  call assert_true(index(l, 'timeoutlen') >= 0)
-  let l = getcompletion('space', 'option')
-  call assert_equal([], l)
-
-  let l = getcompletion('er', 'highlight')
-  call assert_true(index(l, 'ErrorMsg') >= 0)
-  let l = getcompletion('dark', 'highlight')
-  call assert_equal([], l)
-
-  let l = getcompletion('', 'messages')
-  call assert_true(index(l, 'clear') >= 0)
-  let l = getcompletion('not', 'messages')
-  call assert_equal([], l)
-
-  let l = getcompletion('', 'mapclear')
-  call assert_true(index(l, '<buffer>') >= 0)
-  let l = getcompletion('not', 'mapclear')
-  call assert_equal([], l)
-
-  let l = getcompletion('.', 'shellcmd')
-  call assert_equal(['./', '../'], filter(l, 'v:val =~ "\\./"'))
-  call assert_equal(-1, match(l[2:], '^\.\.\?/$'))
-  let root = has('win32') ? 'C:\\' : '/'
-  let l = getcompletion(root, 'shellcmd')
-  let expected = map(filter(glob(root . '*', 0, 1),
-        \ 'isdirectory(v:val) || executable(v:val)'), 'isdirectory(v:val) ? v:val . ''/'' : v:val')
-  call assert_equal(expected, l)
-
-  if has('cscope')
-    let l = getcompletion('', 'cscope')
-    let cmds = ['add', 'find', 'help', 'kill', 'reset', 'show']
-    call assert_equal(cmds, l)
-    " using cmdline completion must not change the result
-    call feedkeys(":cscope find \<c-d>\<c-c>", 'xt')
-    let l = getcompletion('', 'cscope')
-    call assert_equal(cmds, l)
-    let keys = ['a', 'c', 'd', 'e', 'f', 'g', 'i', 's', 't']
-    let l = getcompletion('find ', 'cscope')
-    call assert_equal(keys, l)
-  endif
-
-  if has('signs')
-    sign define Testing linehl=Comment
-    let l = getcompletion('', 'sign')
-    let cmds = ['define', 'jump', 'list', 'place', 'undefine', 'unplace']
-    call assert_equal(cmds, l)
-    " using cmdline completion must not change the result
-    call feedkeys(":sign list \<c-d>\<c-c>", 'xt')
-    let l = getcompletion('', 'sign')
-    call assert_equal(cmds, l)
-    let l = getcompletion('list ', 'sign')
-    call assert_equal(['Testing'], l)
-    let l = getcompletion('de*', 'sign')
-    call assert_equal(['define'], l)
-    let l = getcompletion('p?', 'sign')
-    call assert_equal(['place'], l)
-    let l = getcompletion('j.', 'sign')
-    call assert_equal(['jump'], l)
-  endif
-
-  " Command line completion tests
-  let l = getcompletion('cd ', 'cmdline')
-  call assert_true(index(l, 'samples/') >= 0)
-  let l = getcompletion('cd NoMatch', 'cmdline')
-  call assert_equal([], l)
-  let l = getcompletion('let v:n', 'cmdline')
-  call assert_true(index(l, 'v:null') >= 0)
-  let l = getcompletion('let v:notexists', 'cmdline')
-  call assert_equal([], l)
-  let l = getcompletion('call tag', 'cmdline')
-  call assert_true(index(l, 'taglist(') >= 0)
-  let l = getcompletion('call paint', 'cmdline')
-  call assert_equal([], l)
-
-  func T(a, c, p)
-    let g:cmdline_compl_params = [a:a, a:c, a:p]
-    return "oneA\noneB\noneC"
-  endfunc
-  command -nargs=1 -complete=custom,T MyCmd
-  let l = getcompletion('MyCmd ', 'cmdline')
-  call assert_equal(['oneA', 'oneB', 'oneC'], l)
-  call assert_equal(['', 'MyCmd ', 6], g:cmdline_compl_params)
-
-  delcommand MyCmd
-  delfunc T
-  unlet g:cmdline_compl_params
-
-  " For others test if the name is recognized.
-  let names = ['buffer', 'environment', 'file_in_path', 'mapping', 'tag', 'tag_listfiles', 'user']
-  if has('cmdline_hist')
-    call add(names, 'history')
-  endif
-  if has('gettext')
-    call add(names, 'locale')
-  endif
-  if has('profile')
-    call add(names, 'syntime')
-  endif
-
-  set tags=Xtags
-  call writefile(["!_TAG_FILE_ENCODING\tutf-8\t//", "word\tfile\tcmd"], 'Xtags', 'D')
-
-  for name in names
-    let matchcount = len(getcompletion('', name))
-    call assert_true(matchcount >= 0, 'No matches for ' . name)
-  endfor
-
-  set tags&
-
-  edit a~b
-  enew
-  call assert_equal(['a~b'], getcompletion('a~', 'buffer'))
-  bw a~b
-
-  if has('unix')
-    edit Xtest\
-    enew
-    call assert_equal(['Xtest\'], getcompletion('Xtest\', 'buffer'))
-    bw Xtest\
-  endif
-
-  call assert_fails("call getcompletion('\\\\@!\\\\@=', 'buffer')", 'E871:')
-  call assert_fails('call getcompletion("", "burp")', 'E475:')
-  call assert_fails('call getcompletion("abc", [])', 'E1174:')
-endfunc
-
-func Test_multibyte_expression()
-  " Get a dialog in the GUI
-  CheckNotGui
-
-  " This was using uninitialized memory.
-  let lines =<< trim END
-      set verbose=6
-      norm @=ٷ
-      qall!
-  END
-  call writefile(lines, 'XmultiScript', 'D')
-  call RunVim('', '', '-u NONE -n -e -s -S XmultiScript')
-endfunc
-
-" Test for getcompletion() with "fuzzy" in 'wildoptions'
-func Test_getcompletion_wildoptions()
-  let save_wildoptions = &wildoptions
-  set wildoptions&
-  let l = getcompletion('space', 'option')
-  call assert_equal([], l)
-  let l = getcompletion('ier', 'command')
-  call assert_equal([], l)
-  set wildoptions=fuzzy
-  let l = getcompletion('space', 'option')
-  call assert_true(index(l, 'backspace') >= 0)
-  let l = getcompletion('ier', 'command')
-  call assert_true(index(l, 'compiler') >= 0)
-  let &wildoptions = save_wildoptions
-endfunc
-
-func Test_complete_autoload_error()
-  let save_rtp = &rtp
-  let lines =<< trim END
-      vim9script
-      export def Complete(..._): string
-        return 'match'
-      enddef
-      echo this will cause an error
-  END
-  call mkdir('Xdir/autoload', 'pR')
-  call writefile(lines, 'Xdir/autoload/script.vim')
-  exe 'set rtp+=' .. getcwd() .. '/Xdir'
-
-  let lines =<< trim END
-      vim9script
-      import autoload 'script.vim'
-      command -nargs=* -complete=custom,script.Complete Cmd eval 0 + 0
-      &wildcharm = char2nr("\<Tab>")
-      feedkeys(":Cmd \<Tab>", 'xt')
-  END
-  call v9.CheckScriptFailure(lines, 'E121: Undefined variable: this')
-
-  let &rtp = save_rtp
-endfunc
-
-func Test_fullcommand()
-  let tests = {
-        \ '':           '',
-        \ ':':          '',
-        \ ':::':        '',
-        \ ':::5':       '',
-        \ 'not_a_cmd':  '',
-        \ 'Check':      '',
-        \ 'syntax':     'syntax',
-        \ ':syntax':    'syntax',
-        \ '::::syntax': 'syntax',
-        \ 'sy':         'syntax',
-        \ 'syn':        'syntax',
-        \ 'synt':       'syntax',
-        \ ':sy':        'syntax',
-        \ '::::sy':     'syntax',
-        \ 'match':      'match',
-        \ '2match':     'match',
-        \ '3match':     'match',
-        \ 'aboveleft':  'aboveleft',
-        \ 'abo':        'aboveleft',
-        \ 'en':         'endif',
-        \ 'end':        'endif',
-        \ 'endi':        'endif',
-        \ 's':          'substitute',
-        \ '5s':         'substitute',
-        \ ':5s':        'substitute',
-        \ "'<,'>s":     'substitute',
-        \ ":'<,'>s":    'substitute',
-        \ 'CheckLin':   'CheckLinux',
-        \ 'CheckLinux': 'CheckLinux',
-  \ }
-
-  for [in, want] in items(tests)
-    call assert_equal(want, fullcommand(in))
-  endfor
-  call assert_equal('', fullcommand(test_null_string()))
-
-  call assert_equal('syntax', 'syn'->fullcommand())
-
-  command -buffer BufferLocalCommand :
-  command GlobalCommand :
-  call assert_equal('GlobalCommand', fullcommand('GlobalCom'))
-  call assert_equal('BufferLocalCommand', fullcommand('BufferL'))
-  delcommand BufferLocalCommand
-  delcommand GlobalCommand
-endfunc
-
-func Test_shellcmd_completion()
-  let save_path = $PATH
-
-  call mkdir('Xpathdir/Xpathsubdir', 'pR')
-  call writefile([''], 'Xpathdir/Xfile.exe')
-  call setfperm('Xpathdir/Xfile.exe', 'rwx------')
-
-  " Set PATH to example directory without trailing slash.
-  let $PATH = getcwd() . '/Xpathdir'
-
-  " Test for the ":!<TAB>" case.  Previously, this would include subdirs of
-  " dirs in the PATH, even though they won't be executed.  We check that only
-  " subdirs of the PWD and executables from the PATH are included in the
-  " suggestions.
-  let actual = getcompletion('X', 'shellcmd')
-  let expected = map(filter(glob('*', 0, 1), 'isdirectory(v:val) && v:val[0] == "X"'), 'v:val . "/"')
-  call insert(expected, 'Xfile.exe')
-  call assert_equal(expected, actual)
-
-  let $PATH = save_path
-endfunc
-
-func Test_expand_star_star()
-  call mkdir('a/b/c', 'pR')
-  call writefile(['asdfasdf'], 'a/b/c/fileXname')
-  call feedkeys(":find a/**/fileXname\<Tab>\<CR>", 'xt')
-  call assert_equal('find a/b/c/fileXname', @:)
-  bwipe!
-endfunc
-
-func Test_cmdline_paste()
-  let @a = "def"
-  call feedkeys(":abc \<C-R>a ghi\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"abc def ghi', @:)
-
-  new
-  call setline(1, 'asdf.x /tmp/some verylongword a;b-c*d ')
-
-  call feedkeys(":aaa \<C-R>\<C-W> bbb\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"aaa asdf bbb', @:)
-
-  call feedkeys("ft:aaa \<C-R>\<C-F> bbb\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"aaa /tmp/some bbb', @:)
-
-  call feedkeys(":aaa \<C-R>\<C-L> bbb\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"aaa '.getline(1).' bbb', @:)
-
-  set incsearch
-  call feedkeys("fy:aaa veryl\<C-R>\<C-W> bbb\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"aaa verylongword bbb', @:)
-
-  call feedkeys("f;:aaa \<C-R>\<C-A> bbb\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"aaa a;b-c*d bbb', @:)
-
-  call feedkeys(":\<C-\>etoupper(getline(1))\<CR>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"ASDF.X /TMP/SOME VERYLONGWORD A;B-C*D ', @:)
-  bwipe!
-
-  " Error while typing a command used to cause that it was not executed
-  " in the end.
-  new
-  try
-    call feedkeys(":file \<C-R>%Xtestfile\<CR>", 'tx')
-  catch /^Vim\%((\a\+)\)\=:E32/
-    " ignore error E32
-  endtry
-  call assert_equal("Xtestfile", bufname("%"))
-
-  " Try to paste an invalid register using <C-R>
-  call feedkeys(":\"one\<C-R>\<C-X>two\<CR>", 'xt')
-  call assert_equal('"onetwo', @:)
-
-  " Test for pasting register containing CTRL-H using CTRL-R and CTRL-R CTRL-R
-  let @a = "xy\<C-H>z"
-  call feedkeys(":\"\<C-R>a\<CR>", 'xt')
-  call assert_equal('"xz', @:)
-  call feedkeys(":\"\<C-R>\<C-R>a\<CR>", 'xt')
-  call assert_equal("\"xy\<C-H>z", @:)
-  call feedkeys(":\"\<C-R>\<C-O>a\<CR>", 'xt')
-  call assert_equal("\"xy\<C-H>z", @:)
-
-  " Test for pasting register containing CTRL-V using CTRL-R and CTRL-R CTRL-R
-  let @a = "xy\<C-V>z"
-  call feedkeys(":\"\<C-R>=@a\<CR>\<cr>", 'xt')
-  call assert_equal('"xyz', @:)
-  call feedkeys(":\"\<C-R>\<C-R>=@a\<CR>\<cr>", 'xt')
-  call assert_equal("\"xy\<C-V>z", @:)
-
-  call assert_beeps('call feedkeys(":\<C-R>=\<C-R>=\<Esc>", "xt")')
-
-  bwipe!
-endfunc
-
-func Test_cmdline_remove_char()
-  let encoding_save = &encoding
-
-  for e in ['utf8', 'latin1']
-    exe 'set encoding=' . e
-
-    call feedkeys(":abc def\<S-Left>\<Del>\<C-B>\"\<CR>", 'tx')
-    call assert_equal('"abc ef', @:, e)
-
-    call feedkeys(":abc def\<S-Left>\<BS>\<C-B>\"\<CR>", 'tx')
-    call assert_equal('"abcdef', @:)
-
-    call feedkeys(":abc def ghi\<S-Left>\<C-W>\<C-B>\"\<CR>", 'tx')
-    call assert_equal('"abc ghi', @:, e)
-
-    call feedkeys(":abc def\<S-Left>\<C-U>\<C-B>\"\<CR>", 'tx')
-    call assert_equal('"def', @:, e)
-
-    " This was going before the start in latin1.
-    call feedkeys(": \<C-W>\<CR>", 'tx')
-  endfor
-
-  let &encoding = encoding_save
-endfunc
-
-func Test_cmdline_keymap_ctrl_hat()
-  CheckFeature keymap
-
-  set keymap=esperanto
-  call feedkeys(":\"Jxauxdo \<C-^>Jxauxdo \<C-^>Jxauxdo\<CR>", 'tx')
-  call assert_equal('"Jxauxdo Ĵaŭdo Jxauxdo', @:)
-  set keymap=
-endfunc
-
-func Test_illegal_address1()
-  new
-  2;'(
-  2;')
-  quit
-endfunc
-
-func Test_illegal_address2()
-  call writefile(['c', 'x', '  x', '.', '1;y'], 'Xtest.vim', 'D')
-  new
-  source Xtest.vim
-  " Trigger calling validate_cursor()
-  diffsp Xtest.vim
-  quit!
-  bwipe!
-endfunc
-
-func Test_mark_from_line_zero()
-  " this was reading past the end of the first (empty) line
-  new
-  norm oxxxx
-  call assert_fails("0;'(", 'E20:')
-  bwipe!
-endfunc
-
-func Test_cmdline_complete_wildoptions()
-  help
-  call feedkeys(":tag /\<c-a>\<c-b>\"\<cr>", 'tx')
-  let a = join(sort(split(@:)),' ')
-  set wildoptions=tagfile
-  call feedkeys(":tag /\<c-a>\<c-b>\"\<cr>", 'tx')
-  let b = join(sort(split(@:)),' ')
-  call assert_equal(a, b)
-  bw!
-endfunc
-
-func Test_cmdline_complete_user_cmd()
-  command! -complete=color -nargs=1 Foo :
-  call feedkeys(":Foo \<Tab>\<Home>\"\<cr>", 'tx')
-  call assert_equal('"Foo blue', @:)
-  call feedkeys(":Foo b\<Tab>\<Home>\"\<cr>", 'tx')
-  call assert_equal('"Foo blue', @:)
-  call feedkeys(":Foo a b\<Tab>\<Home>\"\<cr>", 'tx')
-  call assert_equal('"Foo a blue', @:)
-  call feedkeys(":Foo b\\\<Tab>\<Home>\"\<cr>", 'tx')
-  call assert_equal('"Foo b\', @:)
-  call feedkeys(":Foo b\\x\<Tab>\<Home>\"\<cr>", 'tx')
-  call assert_equal('"Foo b\x', @:)
-  delcommand Foo
-
-  redraw
-  call assert_equal('~', Screenline(&lines - 1))
-  command! FooOne :
-  command! FooTwo :
-
-  set nowildmenu
-  call feedkeys(":Foo\<Tab>\<Home>\"\<cr>", 'tx')
-  call assert_equal('"FooOne', @:)
-  call assert_equal('~', Screenline(&lines - 1))
-
-  call feedkeys(":Foo\<S-Tab>\<Home>\"\<cr>", 'tx')
-  call assert_equal('"FooTwo', @:)
-  call assert_equal('~', Screenline(&lines - 1))
-
-  delcommand FooOne
-  delcommand FooTwo
-  set wildmenu&
-endfunc
-
-func Test_complete_user_cmd()
-  command FooBar echo 'global'
-  command -buffer FooBar echo 'local'
-  call feedkeys(":Foo\<C-A>\<Home>\"\<CR>", 'tx')
-  call assert_equal('"FooBar', @:)
-
-  delcommand -buffer FooBar
-  delcommand FooBar
-endfunc
-
-func s:ScriptLocalFunction()
-  echo 'yes'
-endfunc
-
-func Test_cmdline_complete_user_func()
-  call feedkeys(":func Test_cmdline_complete_user\<Tab>\<Home>\"\<cr>", 'tx')
-  call assert_match('"func Test_cmdline_complete_user_', @:)
-  call feedkeys(":func s:ScriptL\<Tab>\<Home>\"\<cr>", 'tx')
-  call assert_match('"func <SNR>\d\+_ScriptLocalFunction', @:)
-
-  " g: prefix also works
-  call feedkeys(":echo g:Test_cmdline_complete_user_f\<Tab>\<Home>\"\<cr>", 'tx')
-  call assert_match('"echo g:Test_cmdline_complete_user_func', @:)
-
-  " using g: prefix does not result in just "g:" matches from a lambda
-  let Fx = { a ->  a }
-  call feedkeys(":echo g:\<Tab>\<Home>\"\<cr>", 'tx')
-  call assert_match('"echo g:[A-Z]', @:)
-
-  " existence of script-local dict function does not break user function name
-  " completion
-  function s:a_dict_func() dict
-  endfunction
-  call feedkeys(":call Test_cmdline_complete_user\<Tab>\<Home>\"\<cr>", 'tx')
-  call assert_match('"call Test_cmdline_complete_user_', @:)
-  delfunction s:a_dict_func
-endfunc
-
-func Test_cmdline_complete_user_names()
-  if has('unix') && executable('whoami')
-    let whoami = systemlist('whoami')[0]
-    let first_letter = whoami[0]
-    if len(first_letter) > 0
-      " Trying completion of  :e ~x  where x is the first letter of
-      " the user name should complete to at least the user name.
-      call feedkeys(':e ~' . first_letter . "\<c-a>\<c-B>\"\<cr>", 'tx')
-      call assert_match('^"e \~.*\<' . whoami . '\>', @:)
-    endif
-  elseif has('win32')
-    " Just in case: check that the system has an Administrator account.
-    let names = system('net user')
-    if names =~ 'Administrator'
-      " Trying completion of  :e ~A  should complete to Administrator.
-      " There could be other names starting with "A" before Administrator.
-      call feedkeys(':e ~A' . "\<c-a>\<c-B>\"\<cr>", 'tx')
-      call assert_match('^"e \~.*Administrator', @:)
-    endif
-  else
-    throw 'Skipped: does not work on this platform'
-  endif
-endfunc
-
-func Test_cmdline_complete_bang()
-  CheckExecutable whoami
-  call feedkeys(":!whoam\<C-A>\<C-B>\"\<CR>", 'tx')
-  call assert_match('^".*\<whoami\>', @:)
-endfunc
-
-func Test_cmdline_complete_languages()
-  let lang = substitute(execute('language time'), '.*"\(.*\)"$', '\1', '')
-  call assert_equal(lang, v:lc_time)
-
-  let lang = substitute(execute('language ctype'), '.*"\(.*\)"$', '\1', '')
-  call assert_equal(lang, v:ctype)
-
-  let lang = substitute(execute('language collate'), '.*"\(.*\)"$', '\1', '')
-  call assert_equal(lang, v:collate)
-
-  let lang = substitute(execute('language messages'), '.*"\(.*\)"$', '\1', '')
-  call assert_equal(lang, v:lang)
-
-  call feedkeys(":language \<c-a>\<c-b>\"\<cr>", 'tx')
-  call assert_match('^"language .*\<collate\>.*\<ctype\>.*\<messages\>.*\<time\>', @:)
-
-  call assert_match('^"language .*\<' . lang . '\>', @:)
-
-  call feedkeys(":language messages \<c-a>\<c-b>\"\<cr>", 'tx')
-  call assert_match('^"language .*\<' . lang . '\>', @:)
-
-  call feedkeys(":language ctype \<c-a>\<c-b>\"\<cr>", 'tx')
-  call assert_match('^"language .*\<' . lang . '\>', @:)
-
-  call feedkeys(":language time \<c-a>\<c-b>\"\<cr>", 'tx')
-  call assert_match('^"language .*\<' . lang . '\>', @:)
-
-  call feedkeys(":language collate \<c-a>\<c-b>\"\<cr>", 'tx')
-  call assert_match('^"language .*\<' . lang . '\>', @:)
-endfunc
-
-func Test_cmdline_complete_env_variable()
-  let $X_VIM_TEST_COMPLETE_ENV = 'foo'
-  call feedkeys(":edit $X_VIM_TEST_COMPLETE_E\<C-A>\<C-B>\"\<CR>", 'tx')
-  call assert_match('"edit $X_VIM_TEST_COMPLETE_ENV', @:)
-  unlet $X_VIM_TEST_COMPLETE_ENV
-endfunc
-
-func Test_cmdline_complete_expression()
-  let g:SomeVar = 'blah'
-  for cmd in ['exe', 'echo', 'echon', 'echomsg']
-    call feedkeys(":" .. cmd .. " SomeV\<Tab>\<C-B>\"\<CR>", 'tx')
-    call assert_match('"' .. cmd .. ' SomeVar', @:)
-    call feedkeys(":" .. cmd .. " foo SomeV\<Tab>\<C-B>\"\<CR>", 'tx')
-    call assert_match('"' .. cmd .. ' foo SomeVar', @:)
-  endfor
-  unlet g:SomeVar
-endfunc
-
-" Unique function name for completion below
-func s:WeirdFunc()
-  echo 'weird'
-endfunc
-
-" Test for various command-line completion
-func Test_cmdline_complete_various()
-  " completion for a command starting with a comment
-  call feedkeys(": :|\"\<C-A>\<C-B>\"\<CR>", 'xt')
-  call assert_equal("\" :|\"\<C-A>", @:)
-
-  " completion for a range followed by a comment
-  call feedkeys(":1,2\"\<C-A>\<C-B>\"\<CR>", 'xt')
-  call assert_equal("\"1,2\"\<C-A>", @:)
-
-  " completion for :k command
-  call feedkeys(":ka\<C-A>\<C-B>\"\<CR>", 'xt')
-  call assert_equal("\"ka\<C-A>", @:)
-
-  " completion for short version of the :s command
-  call feedkeys(":sI \<C-A>\<C-B>\"\<CR>", 'xt')
-  call assert_equal("\"sI \<C-A>", @:)
-
-  " completion for :write command
-  call mkdir('Xcwdir', 'R')
-  call writefile(['one'], 'Xcwdir/Xfile1')
-  let save_cwd = getcwd()
-  cd Xcwdir
-  call feedkeys(":w >> \<C-A>\<C-B>\"\<CR>", 'xt')
-  call assert_equal("\"w >> Xfile1", @:)
-  call chdir(save_cwd)
-
-  " completion for :w ! and :r ! commands
-  call feedkeys(":w !invalid_xyz_cmd\<C-A>\<C-B>\"\<CR>", 'xt')
-  call assert_equal("\"w !invalid_xyz_cmd", @:)
-  call feedkeys(":r !invalid_xyz_cmd\<C-A>\<C-B>\"\<CR>", 'xt')
-  call assert_equal("\"r !invalid_xyz_cmd", @:)
-
-  " completion for :>> and :<< commands
-  call feedkeys(":>>>\<C-A>\<C-B>\"\<CR>", 'xt')
-  call assert_equal("\">>>\<C-A>", @:)
-  call feedkeys(":<<<\<C-A>\<C-B>\"\<CR>", 'xt')
-  call assert_equal("\"<<<\<C-A>", @:)
-
-  " completion for command with +cmd argument
-  call feedkeys(":buffer +/pat Xabc\<C-A>\<C-B>\"\<CR>", 'xt')
-  call assert_equal("\"buffer +/pat Xabc", @:)
-  call feedkeys(":buffer +/pat\<C-A>\<C-B>\"\<CR>", 'xt')
-  call assert_equal("\"buffer +/pat\<C-A>", @:)
-
-  " completion for a command with a trailing comment
-  call feedkeys(":ls \" comment\<C-A>\<C-B>\"\<CR>", 'xt')
-  call assert_equal("\"ls \" comment\<C-A>", @:)
-
-  " completion for a command with a trailing command
-  call feedkeys(":ls | ls\<C-A>\<C-B>\"\<CR>", 'xt')
-  call assert_equal("\"ls | ls", @:)
-
-  " completion for a command with an CTRL-V escaped argument
-  call feedkeys(":ls \<C-V>\<C-V>a\<C-A>\<C-B>\"\<CR>", 'xt')
-  call assert_equal("\"ls \<C-V>a\<C-A>", @:)
-
-  " completion for a command that doesn't take additional arguments
-  call feedkeys(":all abc\<C-A>\<C-B>\"\<CR>", 'xt')
-  call assert_equal("\"all abc\<C-A>", @:)
-
-  " completion for :wincmd with :horizontal modifier
-  call feedkeys(":horizontal wincm\<C-A>\<C-B>\"\<CR>", 'xt')
-  call assert_equal("\"horizontal wincmd", @:)
-
-  " completion for a command with a command modifier
-  call feedkeys(":topleft new\<C-A>\<C-B>\"\<CR>", 'xt')
-  call assert_equal("\"topleft new", @:)
-
-  " completion for vim9 and legacy commands
-  call feedkeys(":vim9 call strle\<C-A>\<C-B>\"\<CR>", 'xt')
-  call assert_equal("\"vim9 call strlen(", @:)
-  call feedkeys(":legac call strle\<C-A>\<C-B>\"\<CR>", 'xt')
-  call assert_equal("\"legac call strlen(", @:)
-
-  " completion for the :disassemble command
-  call feedkeys(":disas deb\<C-A>\<C-B>\"\<CR>", 'xt')
-  call assert_equal("\"disas debug", @:)
-  call feedkeys(":disas pro\<C-A>\<C-B>\"\<CR>", 'xt')
-  call assert_equal("\"disas profile", @:)
-  call feedkeys(":disas debug Test_cmdline_complete_var\<C-A>\<C-B>\"\<CR>", 'xt')
-  call assert_equal("\"disas debug Test_cmdline_complete_various", @:)
-  call feedkeys(":disas profile Test_cmdline_complete_var\<C-A>\<C-B>\"\<CR>", 'xt')
-  call assert_equal("\"disas profile Test_cmdline_complete_various", @:)
-  call feedkeys(":disas Test_cmdline_complete_var\<C-A>\<C-B>\"\<CR>", 'xt')
-  call assert_equal("\"disas Test_cmdline_complete_various", @:)
-
-  call feedkeys(":disas s:WeirdF\<C-A>\<C-B>\"\<CR>", 'xt')
-  call assert_match('"disas <SNR>\d\+_WeirdFunc', @:)
-
-  call feedkeys(":disas \<S-Tab>\<C-B>\"\<CR>", 'xt')
-  call assert_match('"disas <SNR>\d\+_', @:)
-  call feedkeys(":disas debug \<S-Tab>\<C-B>\"\<CR>", 'xt')
-  call assert_match('"disas debug <SNR>\d\+_', @:)
-
-  " completion for the :match command
-  call feedkeys(":match Search /pat/\<C-A>\<C-B>\"\<CR>", 'xt')
-  call assert_equal("\"match Search /pat/\<C-A>", @:)
-
-  " completion for the :doautocmd command
-  call feedkeys(":doautocmd User MyCmd a.c\<C-A>\<C-B>\"\<CR>", 'xt')
-  call assert_equal("\"doautocmd User MyCmd a.c\<C-A>", @:)
-
-  " completion of autocmd group after comma
-  call feedkeys(":doautocmd BufNew,BufEn\<C-A>\<C-B>\"\<CR>", 'xt')
-  call assert_equal("\"doautocmd BufNew,BufEnter", @:)
-
-  " completion of file name in :doautocmd
-  call writefile([], 'Xvarfile1', 'D')
-  call writefile([], 'Xvarfile2', 'D')
-  call feedkeys(":doautocmd BufEnter Xvarfi\<C-A>\<C-B>\"\<CR>", 'xt')
-  call assert_equal("\"doautocmd BufEnter Xvarfile1 Xvarfile2", @:)
-
-  " completion for the :augroup command
-  augroup XTest.test
-  augroup END
-  call feedkeys(":augroup X\<C-A>\<C-B>\"\<CR>", 'xt')
-  call assert_equal("\"augroup XTest.test", @:)
-
-  " group name completion in :autocmd
-  call feedkeys(":au X\<C-A>\<C-B>\"\<CR>", 'xt')
-  call assert_equal("\"au XTest.test", @:)
-  call feedkeys(":au XTest.test\<Tab>\<C-B>\"\<CR>", 'xt')
-  call assert_equal("\"au XTest.test", @:)
-
-  augroup! XTest.test
-
-  " autocmd pattern completion
-  call feedkeys(":au BufEnter *.py\<Tab>\<C-B>\"\<CR>", 'xt')
-  call assert_equal("\"au BufEnter *.py\t", @:)
-
-  " completion for the :unlet command
-  call feedkeys(":unlet one two\<C-A>\<C-B>\"\<CR>", 'xt')
-  call assert_equal("\"unlet one two", @:)
-
-  " completion for the :buffer command with curlies
-  " FIXME: what should happen on MS-Windows?
-  if !has('win32')
-    edit \{someFile}
-    call feedkeys(":buf someFile\<C-A>\<C-B>\"\<CR>", 'xt')
-    call assert_equal("\"buf {someFile}", @:)
-    bwipe {someFile}
-  endif
-
-  " completion for the :bdelete command
-  call feedkeys(":bdel a b c\<C-A>\<C-B>\"\<CR>", 'xt')
-  call assert_equal("\"bdel a b c", @:)
-
-  " completion for the :mapclear command
-  call feedkeys(":mapclear \<C-A>\<C-B>\"\<CR>", 'xt')
-  call assert_equal("\"mapclear <buffer>", @:)
-
-  " completion for user defined commands with menu names
-  menu Test.foo :ls<CR>
-  com -nargs=* -complete=menu MyCmd
-  call feedkeys(":MyCmd Te\<C-A>\<C-B>\"\<CR>", 'xt')
-  call assert_equal('"MyCmd Test.', @:)
-  delcom MyCmd
-  unmenu Test
-
-  " completion for user defined commands with mappings
-  mapclear
-  map <F3> :ls<CR>
-  com -nargs=* -complete=mapping MyCmd
-  call feedkeys(":MyCmd <F\<C-A>\<C-B>\"\<CR>", 'xt')
-  call assert_equal('"MyCmd <F3> <F4>', @:)
-  mapclear
-  delcom MyCmd
-
-  " completion for :set path= with multiple backslashes
-  call feedkeys(":set path=a\\\\\\ b\<C-A>\<C-B>\"\<CR>", 'xt')
-  call assert_equal('"set path=a\\\ b', @:)
-
-  " completion for :set dir= with a backslash
-  call feedkeys(":set dir=a\\ b\<C-A>\<C-B>\"\<CR>", 'xt')
-  call assert_equal('"set dir=a\ b', @:)
-
-  " completion for the :py3 commands
-  call feedkeys(":py3\<C-A>\<C-B>\"\<CR>", 'xt')
-  call assert_equal('"py3 py3do py3file', @:)
-
-  " completion for the :vim9 commands
-  call feedkeys(":vim9\<C-A>\<C-B>\"\<CR>", 'xt')
-  call assert_equal('"vim9cmd vim9script', @:)
-
-  " redir @" is not the start of a comment. So complete after that
-  call feedkeys(":redir @\" | cwin\t\<C-B>\"\<CR>", 'xt')
-  call assert_equal('"redir @" | cwindow', @:)
-
-  " completion after a backtick
-  call feedkeys(":e `a1b2c\t\<C-B>\"\<CR>", 'xt')
-  call assert_equal('"e `a1b2c', @:)
-
-  " completion for :language command with an invalid argument
-  call feedkeys(":language dummy \t\<C-B>\"\<CR>", 'xt')
-  call assert_equal("\"language dummy \t", @:)
-
-  " completion for commands after a :global command
-  call feedkeys(":g/a\\xb/clearj\t\<C-B>\"\<CR>", 'xt')
-  call assert_equal('"g/a\xb/clearjumps', @:)
-
-  " completion with ambiguous user defined commands
-  com TCmd1 echo 'TCmd1'
-  com TCmd2 echo 'TCmd2'
-  call feedkeys(":TCmd \t\<C-B>\"\<CR>", 'xt')
-  call assert_equal('"TCmd ', @:)
-  delcom TCmd1
-  delcom TCmd2
-
-  " completion after a range followed by a pipe (|) character
-  call feedkeys(":1,10 | chist\t\<C-B>\"\<CR>", 'xt')
-  call assert_equal('"1,10 | chistory', @:)
-
-  " completion after a :global command
-  call feedkeys(":g/a/chist\t\<C-B>\"\<CR>", 'xt')
-  call assert_equal('"g/a/chistory', @:)
-  call feedkeys(":g/a\\/chist\t\<C-B>\"\<CR>", 'xt')
-  call assert_equal("\"g/a\\/chist\t", @:)
-
-  " use <Esc> as the 'wildchar' for completion
-  set wildchar=<Esc>
-  call feedkeys(":g/a\\xb/clearj\<Esc>\<C-B>\"\<CR>", 'xt')
-  call assert_equal('"g/a\xb/clearjumps', @:)
-  " pressing <esc> twice should cancel the command
-  call feedkeys(":chist\<Esc>\<Esc>", 'xt')
-  call assert_equal('"g/a\xb/clearjumps', @:)
-  set wildchar&
-
-  if has('unix')
-    " should be able to complete a file name that starts with a '~'.
-    call writefile([], '~Xtest')
-    call feedkeys(":e \\~X\<Tab>\<C-B>\"\<CR>", 'xt')
-    call assert_equal('"e \~Xtest', @:)
-    call delete('~Xtest')
-
-    " should be able to complete a file name that has a '*'
-    call writefile([], 'Xx*Yy')
-    call feedkeys(":e Xx\*\<Tab>\<C-B>\"\<CR>", 'xt')
-    call assert_equal('"e Xx\*Yy', @:)
-    call delete('Xx*Yy')
-
-    " use a literal star
-    call feedkeys(":e \\*\<Tab>\<C-B>\"\<CR>", 'xt')
-    call assert_equal('"e \*', @:)
-  endif
-
-  call feedkeys(":py3f\<Tab>\<C-B>\"\<CR>", 'xt')
-  call assert_equal('"py3file', @:)
-endfunc
-
-" Test that expanding a pattern doesn't interfere with cmdline completion.
-func Test_expand_during_cmdline_completion()
-  func ExpandStuff()
-    badd <script>:p:h/README.*
-    call assert_equal(expand('<script>:p:h') .. '/README.txt', bufname('$'))
-    $bwipe
-    call assert_equal('README.txt', expand('README.*'))
-    call assert_equal(['README.txt'], getcompletion('README.*', 'file'))
-  endfunc
-  augroup test_CmdlineChanged
-    autocmd!
-    autocmd CmdlineChanged * call ExpandStuff()
-  augroup END
-
-  call feedkeys(":sign \<Tab>\<Tab>\<Tab>\<Tab>\<C-B>\"\<CR>", 'xt')
-  call assert_equal('"sign place', @:)
-
-  augroup test_CmdlineChanged
-    au!
-  augroup END
-  augroup! test_CmdlineChanged
-  delfunc ExpandStuff
-endfunc
-
-" Test for 'wildignorecase'
-func Test_cmdline_wildignorecase()
-  CheckUnix
-  call writefile([], 'XTEST', 'D')
-  set wildignorecase
-  call feedkeys(":e xt\<Tab>\<C-B>\"\<CR>", 'xt')
-  call assert_equal('"e XTEST', @:)
-  call assert_equal(['XTEST'], getcompletion('xt', 'file'))
-  let g:Sline = ''
-  call feedkeys(":e xt\<C-d>\<F4>\<C-B>\"\<CR>", 'xt')
-  call assert_equal('"e xt', @:)
-  call assert_equal('XTEST', g:Sline)
-  set wildignorecase&
-endfunc
-
-func Test_cmdline_write_alternatefile()
-  new
-  call setline('.', ['one', 'two'])
-  f foo.txt
-  new
-  f #-A
-  call assert_equal('foo.txt-A', expand('%'))
-  f #<-B.txt
-  call assert_equal('foo-B.txt', expand('%'))
-  f %<
-  call assert_equal('foo-B', expand('%'))
-  new
-  call assert_fails('f #<', 'E95:')
-  bw!
-  f foo-B.txt
-  f %<-A
-  call assert_equal('foo-B-A', expand('%'))
-  bw!
-  bw!
-endfunc
-
-func Test_cmdline_expand_cur_alt_file()
-  enew
-  file http://some.com/file.txt
-  call feedkeys(":e %\<Tab>\<C-B>\"\<CR>", 'xt')
-  call assert_equal('"e http://some.com/file.txt', @:)
-  edit another
-  call feedkeys(":e #\<Tab>\<C-B>\"\<CR>", 'xt')
-  call assert_equal('"e http://some.com/file.txt', @:)
-  bwipe
-  bwipe http://some.com/file.txt
-endfunc
-
-" using a leading backslash here
-set cpo+=C
-
-func Test_cmdline_search_range()
-  new
-  call setline(1, ['a', 'b', 'c', 'd'])
-  /d
-  1,\/s/b/B/
-  call assert_equal('B', getline(2))
-
-  /a
-  $
-  \?,4s/c/C/
-  call assert_equal('C', getline(3))
-
-  call setline(1, ['a', 'b', 'c', 'd'])
-  %s/c/c/
-  1,\&s/b/B/
-  call assert_equal('B', getline(2))
-
-  let @/ = 'apple'
-  call assert_fails('\/print', ['E486:.*apple'])
-
-  bwipe!
-endfunc
-
-" Test for the tick mark (') in an excmd range
-func Test_tick_mark_in_range()
-  " If only the tick is passed as a range and no command is specified, there
-  " should not be an error
-  call feedkeys(":'\<CR>", 'xt')
-  call assert_equal("'", @:)
-  call assert_fails("',print", 'E78:')
-endfunc
-
-" Test for using a line number followed by a search pattern as range
-func Test_lnum_and_pattern_as_range()
-  new
-  call setline(1, ['foo 1', 'foo 2', 'foo 3'])
-  let @" = ''
-  2/foo/yank
-  call assert_equal("foo 3\n", @")
-  call assert_equal(1, line('.'))
-  close!
-endfunc
-
-" Tests for getcmdline(), getcmdpos() and getcmdtype()
-func Check_cmdline(cmdtype)
-  call assert_equal('MyCmd a', getcmdline())
-  call assert_equal(8, getcmdpos())
-  call assert_equal(a:cmdtype, getcmdtype())
-  return ''
-endfunc
-
-set cpo&
-
-func Test_getcmdtype()
-  call feedkeys(":MyCmd a\<C-R>=Check_cmdline(':')\<CR>\<Esc>", "xt")
-
-  let cmdtype = ''
-  debuggreedy
-  call feedkeys(":debug echo 'test'\<CR>", "t")
-  call feedkeys("let cmdtype = \<C-R>=string(getcmdtype())\<CR>\<CR>", "t")
-  call feedkeys("cont\<CR>", "xt")
-  0debuggreedy
-  call assert_equal('>', cmdtype)
-
-  call feedkeys("/MyCmd a\<C-R>=Check_cmdline('/')\<CR>\<Esc>", "xt")
-  call feedkeys("?MyCmd a\<C-R>=Check_cmdline('?')\<CR>\<Esc>", "xt")
-
-  call feedkeys(":call input('Answer?')\<CR>", "t")
-  call feedkeys("MyCmd a\<C-R>=Check_cmdline('@')\<CR>\<C-C>", "xt")
-
-  call feedkeys(":insert\<CR>MyCmd a\<C-R>=Check_cmdline('-')\<CR>\<Esc>", "xt")
-
-  cnoremap <expr> <F6> Check_cmdline('=')
-  call feedkeys("a\<C-R>=MyCmd a\<F6>\<Esc>\<Esc>", "xt")
-  cunmap <F6>
-
-  call assert_equal('', getcmdline())
-endfunc
-
-func Test_verbosefile()
-  set verbosefile=Xlog
-  echomsg 'foo'
-  echomsg 'bar'
-  set verbosefile=
-  let log = readfile('Xlog')
-  call assert_match("foo\nbar", join(log, "\n"))
-  call delete('Xlog')
-
-  call mkdir('Xdir', 'D')
-  call assert_fails('set verbosefile=Xdir', ['E484:.*Xdir', 'E474:'])
-endfunc
-
-func Test_verbose_option()
-  CheckScreendump
-
-  let lines =<< trim [SCRIPT]
-    command DoSomething echo 'hello' |set ts=4 |let v = '123' |echo v
-    call feedkeys("\r", 't') " for the hit-enter prompt
-    set verbose=20
-  [SCRIPT]
-  call writefile(lines, 'XTest_verbose', 'D')
-
-  let buf = RunVimInTerminal('-S XTest_verbose', {'rows': 12})
-  call TermWait(buf, 50)
-  call term_sendkeys(buf, ":DoSomething\<CR>")
-  call VerifyScreenDump(buf, 'Test_verbose_option_1', {})
-
-  " clean up
-  call StopVimInTerminal(buf)
-endfunc
-
-func Test_setcmdpos()
-  func InsertTextAtPos(text, pos)
-    call assert_equal(0, setcmdpos(a:pos))
-    return a:text
-  endfunc
-
-  " setcmdpos() with position in the middle of the command line.
-  call feedkeys(":\"12\<C-R>=InsertTextAtPos('a', 3)\<CR>b\<CR>", 'xt')
-  call assert_equal('"1ab2', @:)
-
-  call feedkeys(":\"12\<C-R>\<C-R>=InsertTextAtPos('a', 3)\<CR>b\<CR>", 'xt')
-  call assert_equal('"1b2a', @:)
-
-  " setcmdpos() with position beyond the end of the command line.
-  call feedkeys(":\"12\<C-B>\<C-R>=InsertTextAtPos('a', 10)\<CR>b\<CR>", 'xt')
-  call assert_equal('"12ab', @:)
-
-  " setcmdpos() returns 1 when not editing the command line.
-  call assert_equal(1, 3->setcmdpos())
-endfunc
-
-func Test_cmdline_overstrike()
-  let encodings = ['latin1', 'utf8']
-  let encoding_save = &encoding
-
-  for e in encodings
-    exe 'set encoding=' . e
-
-    " Test overstrike in the middle of the command line.
-    call feedkeys(":\"01234\<home>\<right>\<right>ab\<right>\<insert>cd\<enter>", 'xt')
-    call assert_equal('"0ab1cd4', @:, e)
-
-    " Test overstrike going beyond end of command line.
-    call feedkeys(":\"01234\<home>\<right>\<right>ab\<right>\<insert>cdefgh\<enter>", 'xt')
-    call assert_equal('"0ab1cdefgh', @:, e)
-
-    " Test toggling insert/overstrike a few times.
-    call feedkeys(":\"01234\<home>\<right>ab\<right>\<insert>cd\<right>\<insert>ef\<enter>", 'xt')
-    call assert_equal('"ab0cd3ef4', @:, e)
-  endfor
-
-  " Test overstrike with multi-byte characters.
-  call feedkeys(":\"テキストエディタ\<home>\<right>\<right>ab\<right>\<insert>cd\<enter>", 'xt')
-  call assert_equal('"テabキcdエディタ', @:, e)
-
-  let &encoding = encoding_save
-endfunc
-
-func Test_buffers_lastused()
-  " check that buffers are sorted by time when wildmode has lastused
-  call test_settime(1550020000)	  " middle
-  edit bufa
-  enew
-  call test_settime(1550030000)	  " newest
-  edit bufb
-  enew
-  call test_settime(1550010000)	  " oldest
-  edit bufc
-  enew
-  call test_settime(0)
-  enew
-
-  call assert_equal(['bufa', 'bufb', 'bufc'],
-	\ getcompletion('', 'buffer'))
-
-  let save_wildmode = &wildmode
-  set wildmode=full:lastused
-
-  let cap = "\<c-r>=execute('let X=getcmdline()')\<cr>"
-  call feedkeys(":b \<tab>" .. cap .. "\<esc>", 'xt')
-  call assert_equal('b bufb', X)
-  call feedkeys(":b \<tab>\<tab>" .. cap .. "\<esc>", 'xt')
-  call assert_equal('b bufa', X)
-  call feedkeys(":b \<tab>\<tab>\<tab>" .. cap .. "\<esc>", 'xt')
-  call assert_equal('b bufc', X)
-  enew
-
-  edit other
-  call feedkeys(":b \<tab>" .. cap .. "\<esc>", 'xt')
-  call assert_equal('b bufb', X)
-  call feedkeys(":b \<tab>\<tab>" .. cap .. "\<esc>", 'xt')
-  call assert_equal('b bufa', X)
-  call feedkeys(":b \<tab>\<tab>\<tab>" .. cap .. "\<esc>", 'xt')
-  call assert_equal('b bufc', X)
-  enew
-
-  let &wildmode = save_wildmode
-
-  bwipeout bufa
-  bwipeout bufb
-  bwipeout bufc
-endfunc
-
-func Test_cmdlineclear_tabenter()
-  CheckScreendump
-
-  let lines =<< trim [SCRIPT]
-    call setline(1, range(30))
-  [SCRIPT]
-
-  call writefile(lines, 'XtestCmdlineClearTabenter', 'D')
-  let buf = RunVimInTerminal('-S XtestCmdlineClearTabenter', #{rows: 10})
-  call TermWait(buf, 25)
-  " in one tab make the command line higher with CTRL-W -
-  call term_sendkeys(buf, ":tabnew\<cr>\<C-w>-\<C-w>-gtgt")
-  call VerifyScreenDump(buf, 'Test_cmdlineclear_tabenter', {})
-
-  call StopVimInTerminal(buf)
-endfunc
-
-" Test for expanding special keywords in cmdline
-func Test_cmdline_expand_special()
-  %bwipe!
-  call assert_fails('e #', 'E194:')
-  call assert_fails('e <afile>', 'E495:')
-  call assert_fails('e <abuf>', 'E496:')
-  call assert_fails('e <amatch>', 'E497:')
-
-  call writefile([], 'Xfile.cpp', 'D')
-  call writefile([], 'Xfile.java', 'D')
-  new Xfile.cpp
-  call feedkeys(":e %:r\<C-A>\<C-B>\"\<CR>", 'xt')
-  call assert_equal('"e Xfile.cpp Xfile.java', @:)
-  close
-endfunc
-
-" Test for backtick expression in the command line
-func Test_cmd_backtick()
-  %argd
-  argadd `=['a', 'b', 'c']`
-  call assert_equal(['a', 'b', 'c'], argv())
-  %argd
-
-  argadd `echo abc def`
-  call assert_equal(['abc def'], argv())
-  %argd
-endfunc
-
-" Test for the :! command
-func Test_cmd_bang()
-  CheckUnix
-
-  let lines =<< trim [SCRIPT]
-    " Test for no previous command
-    call assert_fails('!!', 'E34:')
-    set nomore
-    " Test for cmdline expansion with :!
-    call setline(1, 'foo!')
-    silent !echo <cWORD> > Xfile.out
-    call assert_equal(['foo!'], readfile('Xfile.out'))
-    " Test for using previous command
-    silent !echo \! !
-    call assert_equal(['! echo foo!'], readfile('Xfile.out'))
-    call writefile(v:errors, 'Xresult')
-    call delete('Xfile.out')
-    qall!
-  [SCRIPT]
-  call writefile(lines, 'Xscript', 'D')
-  if RunVim([], [], '--clean -S Xscript')
-    call assert_equal([], readfile('Xresult'))
-  endif
-  call delete('Xresult')
-endfunc
-
-" Test error: "E135: *Filter* Autocommands must not change current buffer"
-func Test_cmd_bang_E135()
-  new
-  call setline(1, ['a', 'b', 'c', 'd'])
-  augroup test_cmd_filter_E135
-    au!
-    autocmd FilterReadPost * help
-  augroup END
-  call assert_fails('2,3!echo "x"', 'E135:')
-
-  augroup test_cmd_filter_E135
-    au!
-  augroup END
-  augroup! test_cmd_filter_E135
-  %bwipe!
-endfunc
-
-func Test_cmd_bang_args()
-  new
-  :.!
-  call assert_equal(0, v:shell_error)
-
-  " Note that below there is one space char after the '!'.  This caused a
-  " shell error in the past, see https://github.com/vim/vim/issues/11495.
-  :.! 
-  call assert_equal(0, v:shell_error)
-  bwipe!
-
-  CheckUnix
-  :.!pwd
-  call assert_equal(0, v:shell_error)
-  :.! pwd
-  call assert_equal(0, v:shell_error)
-
-  " Note there is one space after 'pwd'.
-  :.! pwd 
-  call assert_equal(0, v:shell_error)
-
-  " Note there are two spaces after 'pwd'.
-  :.!  pwd  
-  call assert_equal(0, v:shell_error)
-  :.!ls ~
-  call assert_equal(0, v:shell_error)
-
-  " Note there is one space char after '~'.
-  :.!ls  ~ 
-  call assert_equal(0, v:shell_error)
-
-  " Note there are two spaces after '~'.
-  :.!ls  ~  
-  call assert_equal(0, v:shell_error)
-
-  :.!echo "foo"
-  call assert_equal(getline('.'), "foo")
-  :.!echo "foo  "
-  call assert_equal(getline('.'), "foo  ")
-  :.!echo " foo  "
-  call assert_equal(getline('.'), " foo  ")
-  :.!echo  " foo  "
-  call assert_equal(getline('.'), " foo  ")
-
-  %bwipe!
-endfunc
-
-" Test for using ~ for home directory in cmdline completion matches
-func Test_cmdline_expand_home()
-  call mkdir('Xexpdir', 'R')
-  call writefile([], 'Xexpdir/Xfile1')
-  call writefile([], 'Xexpdir/Xfile2')
-  cd Xexpdir
-  let save_HOME = $HOME
-  let $HOME = getcwd()
-  call feedkeys(":e ~/\<C-A>\<C-B>\"\<CR>", 'xt')
-  call assert_equal('"e ~/Xfile1 ~/Xfile2', @:)
-  let $HOME = save_HOME
-  cd ..
-endfunc
-
-" Test for using CTRL-\ CTRL-G in the command line to go back to normal mode
-" or insert mode (when 'insertmode' is set)
-func Test_cmdline_ctrl_g()
-  new
-  call setline(1, 'abc')
-  call cursor(1, 3)
-  " If command line is entered from insert mode, using C-\ C-G should back to
-  " insert mode
-  call feedkeys("i\<C-O>:\<C-\>\<C-G>xy", 'xt')
-  call assert_equal('abxyc', getline(1))
-  call assert_equal(4, col('.'))
-
-  " If command line is entered in 'insertmode', using C-\ C-G should back to
-  " 'insertmode'
-  call feedkeys(":set im\<cr>\<C-L>:\<C-\>\<C-G>12\<C-L>:set noim\<cr>", 'xt')
-  call assert_equal('ab12xyc', getline(1))
-  close!
-endfunc
-
-" Test for 'wildmode'
-func Wildmode_tests()
-  func T(a, c, p)
-    return "oneA\noneB\noneC"
-  endfunc
-  command -nargs=1 -complete=custom,T MyCmd
-
-  set nowildmenu
-  set wildmode=full,list
-  let g:Sline = ''
-  call feedkeys(":MyCmd \t\t\<F4>\<C-B>\"\<CR>", 'xt')
-  call assert_equal('oneA  oneB  oneC', g:Sline)
-  call assert_equal('"MyCmd oneA', @:)
-
-  set wildmode=longest,full
-  call feedkeys(":MyCmd o\t\<C-B>\"\<CR>", 'xt')
-  call assert_equal('"MyCmd one', @:)
-  call feedkeys(":MyCmd o\t\t\t\t\<C-B>\"\<CR>", 'xt')
-  call assert_equal('"MyCmd oneC', @:)
-
-  set wildmode=longest
-  call feedkeys(":MyCmd one\t\t\<C-B>\"\<CR>", 'xt')
-  call assert_equal('"MyCmd one', @:)
-
-  set wildmode=list:longest
-  let g:Sline = ''
-  call feedkeys(":MyCmd \t\<F4>\<C-B>\"\<CR>", 'xt')
-  call assert_equal('oneA  oneB  oneC', g:Sline)
-  call assert_equal('"MyCmd one', @:)
-
-  set wildmode=""
-  call feedkeys(":MyCmd \t\t\<C-B>\"\<CR>", 'xt')
-  call assert_equal('"MyCmd oneA', @:)
-
-  " Test for wildmode=longest with 'fileignorecase' set
-  set wildmode=longest
-  set fileignorecase
-  argadd AAA AAAA AAAAA
-  call feedkeys(":buffer a\t\<C-B>\"\<CR>", 'xt')
-  call assert_equal('"buffer AAA', @:)
-  set fileignorecase&
-
-  " Test for listing files with wildmode=list
-  set wildmode=list
-  let g:Sline = ''
-  call feedkeys(":b A\t\t\<F4>\<C-B>\"\<CR>", 'xt')
-  call assert_equal('AAA    AAAA   AAAAA', g:Sline)
-  call assert_equal('"b A', @:)
-
-  " when using longest completion match, matches shorter than the argument
-  " should be ignored (happens with :help)
-  set wildmode=longest,full
-  set wildmenu
-  call feedkeys(":help a*\t\<C-B>\"\<CR>", 'xt')
-  call assert_equal('"help a', @:)
-  " non existing file
-  call feedkeys(":e a1b2y3z4\t\<C-B>\"\<CR>", 'xt')
-  call assert_equal('"e a1b2y3z4', @:)
-  set wildmenu&
-
-  " Test for longest file name completion with 'fileignorecase'
-  " On MS-Windows, file names are case insensitive.
-  if has('unix')
-    call writefile([], 'XTESTfoo', 'D')
-    call writefile([], 'Xtestbar', 'D')
-    set nofileignorecase
-    call feedkeys(":e XT\<Tab>\<C-B>\"\<CR>", 'xt')
-    call assert_equal('"e XTESTfoo', @:)
-    call feedkeys(":e Xt\<Tab>\<C-B>\"\<CR>", 'xt')
-    call assert_equal('"e Xtestbar', @:)
-    set fileignorecase
-    call feedkeys(":e XT\<Tab>\<C-B>\"\<CR>", 'xt')
-    call assert_equal('"e Xtest', @:)
-    call feedkeys(":e Xt\<Tab>\<C-B>\"\<CR>", 'xt')
-    call assert_equal('"e Xtest', @:)
-    set fileignorecase&
-  endif
-
-  %argdelete
-  delcommand MyCmd
-  delfunc T
-  set wildmode&
-  %bwipe!
-endfunc
-
-func Test_wildmode()
-  " Test with utf-8 encoding
-  call Wildmode_tests()
-
-  " Test with latin1 encoding
-  let save_encoding = &encoding
-  set encoding=latin1
-  call Wildmode_tests()
-  let &encoding = save_encoding
-endfunc
-
-func Test_custom_complete_autoload()
-  call mkdir('Xcustdir/autoload', 'pR')
-  let save_rtp = &rtp
-  exe 'set rtp=' .. getcwd() .. '/Xcustdir'
-  let lines =<< trim END
-      func vim8#Complete(a, c, p)
-        return "oneA\noneB\noneC"
-      endfunc
-  END
-  call writefile(lines, 'Xcustdir/autoload/vim8.vim')
-
-  command -nargs=1 -complete=custom,vim8#Complete MyCmd
-  set nowildmenu
-  set wildmode=full,list
-  call feedkeys(":MyCmd \<C-A>\<C-B>\"\<CR>", 'xt')
-  call assert_equal('"MyCmd oneA oneB oneC', @:)
-
-  let &rtp = save_rtp
-  set wildmode& wildmenu&
-  delcommand MyCmd
-endfunc
-
-" Test for interrupting the command-line completion
-func Test_interrupt_compl()
-  func F(lead, cmdl, p)
-    if a:lead =~ 'tw'
-      call interrupt()
-      return
-    endif
-    return "one\ntwo\nthree"
-  endfunc
-  command -nargs=1 -complete=custom,F Tcmd
-
-  set nowildmenu
-  set wildmode=full
-  let interrupted = 0
-  try
-    call feedkeys(":Tcmd tw\<Tab>\<C-B>\"\<CR>", 'xt')
-  catch /^Vim:Interrupt$/
-    let interrupted = 1
-  endtry
-  call assert_equal(1, interrupted)
-
-  let interrupted = 0
-  try
-    call feedkeys(":Tcmd tw\<C-d>\<C-B>\"\<CR>", 'xt')
-  catch /^Vim:Interrupt$/
-    let interrupted = 1
-  endtry
-  call assert_equal(1, interrupted)
-
-  delcommand Tcmd
-  delfunc F
-  set wildmode&
-endfunc
-
-" Test for moving the cursor on the : command line
-func Test_cmdline_edit()
-  let str = ":one two\<C-U>"
-  let str ..= "one two\<C-W>\<C-W>"
-  let str ..= "four\<BS>\<C-H>\<Del>\<kDel>"
-  let str ..= "\<Left>five\<Right>"
-  let str ..= "\<Home>two "
-  let str ..= "\<C-Left>one "
-  let str ..= "\<C-Right> three"
-  let str ..= "\<End>\<S-Left>four "
-  let str ..= "\<S-Right> six"
-  let str ..= "\<C-B>\"\<C-E> seven\<CR>"
-  call feedkeys(str, 'xt')
-  call assert_equal("\"one two three four five six seven", @:)
-endfunc
-
-" Test for moving the cursor on the / command line in 'rightleft' mode
-func Test_cmdline_edit_rightleft()
-  CheckFeature rightleft
-  set rightleft
-  set rightleftcmd=search
-  let str = "/one two\<C-U>"
-  let str ..= "one two\<C-W>\<C-W>"
-  let str ..= "four\<BS>\<C-H>\<Del>\<kDel>"
-  let str ..= "\<Right>five\<Left>"
-  let str ..= "\<Home>two "
-  let str ..= "\<C-Right>one "
-  let str ..= "\<C-Left> three"
-  let str ..= "\<End>\<S-Right>four "
-  let str ..= "\<S-Left> six"
-  let str ..= "\<C-B>\"\<C-E> seven\<CR>"
-  call assert_fails("call feedkeys(str, 'xt')", 'E486:')
-  call assert_equal("\"one two three four five six seven", @/)
-  set rightleftcmd&
-  set rightleft&
-endfunc
-
-" Test for using <C-\>e in the command line to evaluate an expression
-func Test_cmdline_expr()
-  " Evaluate an expression from the beginning of a command line
-  call feedkeys(":abc\<C-B>\<C-\>e\"\\\"hello\"\<CR>\<CR>", 'xt')
-  call assert_equal('"hello', @:)
-
-  " Use an invalid expression for <C-\>e
-  call assert_beeps('call feedkeys(":\<C-\>einvalid\<CR>", "tx")')
-
-  " Insert literal <CTRL-\> in the command line
-  call feedkeys(":\"e \<C-\>\<C-Y>\<CR>", 'xt')
-  call assert_equal("\"e \<C-\>\<C-Y>", @:)
-endfunc
-
-" This was making the insert position negative
-func Test_cmdline_expr_register()
-  exe "sil! norm! ?\<C-\>e0\<C-R>0\<Esc>?\<C-\>e0\<CR>"
-endfunc
-
-" Test for 'imcmdline' and 'imsearch'
-" This test doesn't actually test the input method functionality.
-func Test_cmdline_inputmethod()
-  new
-  call setline(1, ['', 'abc', ''])
-  set imcmdline
-
-  call feedkeys(":\"abc\<CR>", 'xt')
-  call assert_equal("\"abc", @:)
-  call feedkeys(":\"\<C-^>abc\<C-^>\<CR>", 'xt')
-  call assert_equal("\"abc", @:)
-  call feedkeys("/abc\<CR>", 'xt')
-  call assert_equal([2, 1], [line('.'), col('.')])
-  call feedkeys("/\<C-^>abc\<C-^>\<CR>", 'xt')
-  call assert_equal([2, 1], [line('.'), col('.')])
-
-  set imsearch=2
-  call cursor(1, 1)
-  call feedkeys("/abc\<CR>", 'xt')
-  call assert_equal([2, 1], [line('.'), col('.')])
-  call cursor(1, 1)
-  call feedkeys("/\<C-^>abc\<C-^>\<CR>", 'xt')
-  call assert_equal([2, 1], [line('.'), col('.')])
-  set imdisable
-  call feedkeys("/\<C-^>abc\<C-^>\<CR>", 'xt')
-  call assert_equal([2, 1], [line('.'), col('.')])
-  set imdisable&
-  set imsearch&
-
-  set imcmdline&
-  %bwipe!
-endfunc
-
-" Test for using CTRL-_ in the command line with 'allowrevins'
-func Test_cmdline_revins()
-  CheckNotMSWindows
-  CheckFeature rightleft
-  call feedkeys(":\"abc\<c-_>\<cr>", 'xt')
-  call assert_equal("\"abc\<c-_>", @:)
-  set allowrevins
-  call feedkeys(":\"abc\<c-_>xyz\<c-_>\<CR>", 'xt')
-  call assert_equal('"abcñèæ', @:)
-  set allowrevins&
-endfunc
-
-" Test for typing UTF-8 composing characters in the command line
-func Test_cmdline_composing_chars()
-  call feedkeys(":\"\<C-V>u3046\<C-V>u3099\<CR>", 'xt')
-  call assert_equal('"ゔ', @:)
-endfunc
-
-" test that ";" works to find a match at the start of the first line
-func Test_zero_line_search()
-  new
-  call setline(1, ["1, pattern", "2, ", "3, pattern"])
-  call cursor(1,1)
-  0;/pattern/d
-  call assert_equal(["2, ", "3, pattern"], getline(1,'$'))
-  q!
-endfunc
-
-func Test_read_shellcmd()
-  CheckUnix
-  if executable('ls')
-    " There should be ls in the $PATH
-    call feedkeys(":r! l\<c-a>\<c-b>\"\<cr>", 'tx')
-    call assert_match('^"r! .*\<ls\>', @:)
-  endif
-
-  if executable('rm')
-    call feedkeys(":r! ++enc=utf-8 r\<c-a>\<c-b>\"\<cr>", 'tx')
-    call assert_notmatch('^"r!.*\<runtest.vim\>', @:)
-    call assert_match('^"r!.*\<rm\>', @:)
-
-    call feedkeys(":r ++enc=utf-8 !rm\<c-a>\<c-b>\"\<cr>", 'tx')
-    call assert_notmatch('^"r.*\<runtest.vim\>', @:)
-    call assert_match('^"r ++enc\S\+ !.*\<rm\>', @:)
-  endif
-endfunc
-
-" Test for going up and down the directory tree using 'wildmenu'
-func Test_wildmenu_dirstack()
-  CheckUnix
-  %bw!
-  call mkdir('Xwildmenu/dir2/dir3/dir4', 'pR')
-  call writefile([], 'Xwildmenu/file1_1.txt')
-  call writefile([], 'Xwildmenu/file1_2.txt')
-  call writefile([], 'Xwildmenu/dir2/file2_1.txt')
-  call writefile([], 'Xwildmenu/dir2/file2_2.txt')
-  call writefile([], 'Xwildmenu/dir2/dir3/file3_1.txt')
-  call writefile([], 'Xwildmenu/dir2/dir3/file3_2.txt')
-  call writefile([], 'Xwildmenu/dir2/dir3/dir4/file4_1.txt')
-  call writefile([], 'Xwildmenu/dir2/dir3/dir4/file4_2.txt')
-  set wildmenu
-
-  cd Xwildmenu/dir2/dir3/dir4
-  call feedkeys(":e \<Tab>\<C-B>\"\<CR>", 'xt')
-  call assert_equal('"e file4_1.txt', @:)
-  call feedkeys(":e \<Tab>\<Up>\<C-B>\"\<CR>", 'xt')
-  call assert_equal('"e ../dir4/', @:)
-  call feedkeys(":e \<Tab>\<Up>\<Up>\<C-B>\"\<CR>", 'xt')
-  call assert_equal('"e ../../dir3/', @:)
-  call feedkeys(":e \<Tab>\<Up>\<Up>\<Up>\<C-B>\"\<CR>", 'xt')
-  call assert_equal('"e ../../../dir2/', @:)
-  call feedkeys(":e \<Tab>\<Up>\<Up>\<Down>\<C-B>\"\<CR>", 'xt')
-  call assert_equal('"e ../../dir3/dir4/', @:)
-  call feedkeys(":e \<Tab>\<Up>\<Up>\<Down>\<Down>\<C-B>\"\<CR>", 'xt')
-  call assert_equal('"e ../../dir3/dir4/file4_1.txt', @:)
-  cd -
-  call feedkeys(":e Xwildmenu/\<Tab>\<Down>\<Down>\<Down>\<C-B>\"\<CR>", 'xt')
-  call assert_equal('"e Xwildmenu/dir2/dir3/dir4/file4_1.txt', @:)
-
-  set wildmenu&
-endfunc
-
-" Test for recalling newer or older cmdline from history with <Up>, <Down>,
-" <S-Up>, <S-Down>, <PageUp>, <PageDown>, <kPageUp>, <kPageDown>, <C-p>, or
-" <C-n>.
-func Test_recalling_cmdline()
-  CheckFeature cmdline_hist
-
-  let g:cmdlines = []
-  cnoremap <Plug>(save-cmdline) <Cmd>let g:cmdlines += [getcmdline()]<CR>
-
-  let histories = [
-  \  #{name: 'cmd',    enter: ':',                    exit: "\<Esc>"},
-  \  #{name: 'search', enter: '/',                    exit: "\<Esc>"},
-  \  #{name: 'expr',   enter: ":\<C-r>=",             exit: "\<Esc>\<Esc>"},
-  \  #{name: 'input',  enter: ":call input('')\<CR>", exit: "\<CR>"},
-  "\ TODO: {'name': 'debug', ...}
-  \]
-  let keypairs = [
-  \  #{older: "\<Up>",     newer: "\<Down>",     prefixmatch: v:true},
-  \  #{older: "\<S-Up>",   newer: "\<S-Down>",   prefixmatch: v:false},
-  \  #{older: "\<PageUp>", newer: "\<PageDown>", prefixmatch: v:false},
-  \  #{older: "\<kPageUp>", newer: "\<kPageDown>", prefixmatch: v:false},
-  \  #{older: "\<C-p>",    newer: "\<C-n>",      prefixmatch: v:false},
-  \]
-  let prefix = 'vi'
-  for h in histories
-    call histadd(h.name, 'vim')
-    call histadd(h.name, 'virtue')
-    call histadd(h.name, 'Virgo')
-    call histadd(h.name, 'vogue')
-    call histadd(h.name, 'emacs')
-    for k in keypairs
-      let g:cmdlines = []
-      let keyseqs = h.enter
-      \          .. prefix
-      \          .. repeat(k.older .. "\<Plug>(save-cmdline)", 2)
-      \          .. repeat(k.newer .. "\<Plug>(save-cmdline)", 2)
-      \          .. h.exit
-      call feedkeys(keyseqs, 'xt')
-      call histdel(h.name, -1) " delete the history added by feedkeys above
-      let expect = k.prefixmatch
-      \          ? ['virtue', 'vim',   'virtue', prefix]
-      \          : ['emacs',  'vogue', 'emacs',  prefix]
-      call assert_equal(expect, g:cmdlines)
-    endfor
-  endfor
-
-  unlet g:cmdlines
-  cunmap <Plug>(save-cmdline)
-endfunc
-
-func Test_cmd_map_cmdlineChanged()
-  let g:log = []
-  cnoremap <F1> l<Cmd><CR>s
-  augroup test_CmdlineChanged
-    autocmd!
-    autocmd CmdlineChanged : let g:log += [getcmdline()]
-  augroup END
-
-  call feedkeys(":\<F1>\<CR>", 'xt')
-  call assert_equal(['l', 'ls'], g:log)
-
-  let @b = 'b'
-  cnoremap <F1> a<C-R>b
-  let g:log = []
-  call feedkeys(":\<F1>\<CR>", 'xt')
-  call assert_equal(['a', 'ab'], g:log)
-
-  unlet g:log
-  cunmap <F1>
-  augroup test_CmdlineChanged
-    autocmd!
-  augroup END
-  augroup! test_CmdlineChanged
-endfunc
-
-" Test for the 'suffixes' option
-func Test_suffixes_opt()
-  call writefile([], 'Xsuffile', 'D')
-  call writefile([], 'Xsuffile.c', 'D')
-  call writefile([], 'Xsuffile.o', 'D')
-  set suffixes=
-  call feedkeys(":e Xsuffi*\<C-A>\<C-B>\"\<CR>", 'xt')
-  call assert_equal('"e Xsuffile Xsuffile.c Xsuffile.o', @:)
-  call feedkeys(":e Xsuffi*\<Tab>\<Tab>\<C-B>\"\<CR>", 'xt')
-  call assert_equal('"e Xsuffile.c', @:)
-  set suffixes=.c
-  call feedkeys(":e Xsuffi*\<C-A>\<C-B>\"\<CR>", 'xt')
-  call assert_equal('"e Xsuffile Xsuffile.o Xsuffile.c', @:)
-  call feedkeys(":e Xsuffi*\<Tab>\<Tab>\<C-B>\"\<CR>", 'xt')
-  call assert_equal('"e Xsuffile.o', @:)
-  set suffixes=,,
-  call feedkeys(":e Xsuffi*\<C-A>\<C-B>\"\<CR>", 'xt')
-  call assert_equal('"e Xsuffile.c Xsuffile.o Xsuffile', @:)
-  call feedkeys(":e Xsuffi*\<Tab>\<Tab>\<C-B>\"\<CR>", 'xt')
-  call assert_equal('"e Xsuffile.o', @:)
-  set suffixes&
-  " Test for getcompletion() with different patterns
-  call assert_equal(['Xsuffile', 'Xsuffile.c', 'Xsuffile.o'], getcompletion('Xsuffile', 'file'))
-  call assert_equal(['Xsuffile'], getcompletion('Xsuffile$', 'file'))
-endfunc
-
-" Test for using a popup menu for the command line completion matches
-" (wildoptions=pum)
-func Test_wildmenu_pum()
-  CheckRunVimInTerminal
-
-  let commands =<< trim [CODE]
-    set wildmenu
-    set wildoptions=pum
-    set shm+=I
-    set noruler
-    set noshowcmd
-
-    func CmdCompl(a, b, c)
-      return repeat(['aaaa'], 120)
-    endfunc
-    command -nargs=* -complete=customlist,CmdCompl Tcmd
-
-    func MyStatusLine() abort
-      return 'status'
-    endfunc
-    func SetupStatusline()
-      set statusline=%!MyStatusLine()
-      set laststatus=2
-    endfunc
-
-    func MyTabLine()
-      return 'my tab line'
-    endfunc
-    func SetupTabline()
-      set statusline=
-      set tabline=%!MyTabLine()
-      set showtabline=2
-    endfunc
-
-    func DoFeedKeys()
-      let &wildcharm = char2nr("\t")
-      call feedkeys(":edit $VIMRUNTIME/\<Tab>\<Left>\<C-U>ab\<Tab>")
-    endfunc
-  [CODE]
-  call writefile(commands, 'Xtest', 'D')
-
-  let buf = RunVimInTerminal('-S Xtest', #{rows: 10})
-
-  call term_sendkeys(buf, ":sign \<Tab>")
-  call VerifyScreenDump(buf, 'Test_wildmenu_pum_01', {})
-
-  " going down the popup menu using <Down>
-  call term_sendkeys(buf, "\<Down>\<Down>")
-  call VerifyScreenDump(buf, 'Test_wildmenu_pum_02', {})
-
-  " going down the popup menu using <C-N>
-  call term_sendkeys(buf, "\<C-N>")
-  call VerifyScreenDump(buf, 'Test_wildmenu_pum_03', {})
-
-  " going up the popup menu using <C-P>
-  call term_sendkeys(buf, "\<C-P>")
-  call VerifyScreenDump(buf, 'Test_wildmenu_pum_04', {})
-
-  " going up the popup menu using <Up>
-  call term_sendkeys(buf, "\<Up>")
-  call VerifyScreenDump(buf, 'Test_wildmenu_pum_05', {})
-
-  " pressing <C-E> should end completion and go back to the original match
-  call term_sendkeys(buf, "\<C-E>")
-  call VerifyScreenDump(buf, 'Test_wildmenu_pum_06', {})
-
-  " pressing <C-Y> should select the current match and end completion
-  call term_sendkeys(buf, "\<Tab>\<C-P>\<C-P>\<C-Y>")
-  call VerifyScreenDump(buf, 'Test_wildmenu_pum_07', {})
-
-  " With 'wildmode' set to 'longest,full', completing a match should display
-  " the longest match, the wildmenu should not be displayed.
-  call term_sendkeys(buf, ":\<C-U>set wildmode=longest,full\<CR>")
-  call TermWait(buf)
-  call term_sendkeys(buf, ":sign u\<Tab>")
-  call VerifyScreenDump(buf, 'Test_wildmenu_pum_08', {})
-
-  " pressing <Tab> should display the wildmenu
-  call term_sendkeys(buf, "\<Tab>")
-  call VerifyScreenDump(buf, 'Test_wildmenu_pum_09', {})
-
-  " pressing <Tab> second time should select the next entry in the menu
-  call term_sendkeys(buf, "\<Tab>")
-  call VerifyScreenDump(buf, 'Test_wildmenu_pum_10', {})
-
-  call term_sendkeys(buf, ":\<C-U>set wildmode=full\<CR>")
-  " showing popup menu in different columns in the cmdline
-  call term_sendkeys(buf, ":sign define \<Tab>")
-  call VerifyScreenDump(buf, 'Test_wildmenu_pum_11', {})
-
-  call term_sendkeys(buf, " \<Tab>")
-  call VerifyScreenDump(buf, 'Test_wildmenu_pum_12', {})
-
-  call term_sendkeys(buf, " \<Tab>")
-  call VerifyScreenDump(buf, 'Test_wildmenu_pum_13', {})
-
-  " Directory name completion
-  call mkdir('Xnamedir/XdirA/XdirB', 'pR')
-  call writefile([], 'Xnamedir/XfileA')
-  call writefile([], 'Xnamedir/XdirA/XfileB')
-  call writefile([], 'Xnamedir/XdirA/XdirB/XfileC')
-
-  call term_sendkeys(buf, "\<C-U>e Xnamedi\<Tab>\<Tab>")
-  call VerifyScreenDump(buf, 'Test_wildmenu_pum_14', {})
-
-  " Pressing <Right> on a directory name should go into that directory
-  call term_sendkeys(buf, "\<Right>")
-  call VerifyScreenDump(buf, 'Test_wildmenu_pum_15', {})
-
-  " Pressing <Left> on a directory name should go to the parent directory
-  call term_sendkeys(buf, "\<Left>")
-  call VerifyScreenDump(buf, 'Test_wildmenu_pum_16', {})
-
-  " Pressing <C-A> when the popup menu is displayed should list all the
-  " matches but the popup menu should still remain
-  call term_sendkeys(buf, "\<C-U>sign \<Tab>\<C-A>")
-  call VerifyScreenDump(buf, 'Test_wildmenu_pum_17', {})
-
-  " Pressing <C-D> when the popup menu is displayed should remove the popup
-  " menu
-  call term_sendkeys(buf, "\<C-U>sign \<Tab>\<C-D>")
-  call VerifyScreenDump(buf, 'Test_wildmenu_pum_18', {})
-
-  " Pressing <S-Tab> should open the popup menu with the last entry selected
-  call term_sendkeys(buf, "\<C-U>\<CR>:sign \<S-Tab>\<C-P>")
-  call VerifyScreenDump(buf, 'Test_wildmenu_pum_19', {})
-
-  " Pressing <Esc> should close the popup menu and cancel the cmd line
-  call term_sendkeys(buf, "\<C-U>\<CR>:sign \<Tab>\<Esc>")
-  call VerifyScreenDump(buf, 'Test_wildmenu_pum_20', {})
-
-  " Typing a character when the popup is open, should close the popup
-  call term_sendkeys(buf, ":sign \<Tab>x")
-  call VerifyScreenDump(buf, 'Test_wildmenu_pum_21', {})
-
-  " When the popup is open, entering the cmdline window should close the popup
-  call term_sendkeys(buf, "\<C-U>sign \<Tab>\<C-F>")
-  call VerifyScreenDump(buf, 'Test_wildmenu_pum_22', {})
-  call term_sendkeys(buf, ":q\<CR>")
-
-  " After the last popup menu item, <C-N> should show the original string
-  call term_sendkeys(buf, ":sign u\<Tab>\<C-N>\<C-N>")
-  call VerifyScreenDump(buf, 'Test_wildmenu_pum_23', {})
-
-  " Use the popup menu for the command name
-  call term_sendkeys(buf, "\<C-U>bu\<Tab>")
-  call VerifyScreenDump(buf, 'Test_wildmenu_pum_24', {})
-
-  " Pressing the left arrow should remove the popup menu
-  call term_sendkeys(buf, "\<Left>\<Left>")
-  call VerifyScreenDump(buf, 'Test_wildmenu_pum_25', {})
-
-  " Pressing <BS> should remove the popup menu and erase the last character
-  call term_sendkeys(buf, "\<C-E>\<C-U>sign \<Tab>\<BS>")
-  call VerifyScreenDump(buf, 'Test_wildmenu_pum_26', {})
-
-  " Pressing <C-W> should remove the popup menu and erase the previous word
-  call term_sendkeys(buf, "\<C-E>\<C-U>sign \<Tab>\<C-W>")
-  call VerifyScreenDump(buf, 'Test_wildmenu_pum_27', {})
-
-  " Pressing <C-U> should remove the popup menu and erase the entire line
-  call term_sendkeys(buf, "\<C-E>\<C-U>sign \<Tab>\<C-U>")
-  call VerifyScreenDump(buf, 'Test_wildmenu_pum_28', {})
-
-  " Using <C-E> to cancel the popup menu and then pressing <Up> should recall
-  " the cmdline from history
-  call term_sendkeys(buf, "sign xyz\<Esc>:sign \<Tab>\<C-E>\<Up>")
-  call VerifyScreenDump(buf, 'Test_wildmenu_pum_29', {})
-
-  " Check "list" still works
-  call term_sendkeys(buf, "\<C-U>set wildmode=longest,list\<CR>")
-  call term_sendkeys(buf, ":cn\<Tab>")
-  call VerifyScreenDump(buf, 'Test_wildmenu_pum_30', {})
-  call term_sendkeys(buf, "s")
-  call VerifyScreenDump(buf, 'Test_wildmenu_pum_31', {})
-
-  " Tests a directory name contained full-width characters.
-  call mkdir('Xnamedir/あいう', 'p')
-  call writefile([], 'Xnamedir/あいう/abc')
-  call writefile([], 'Xnamedir/あいう/xyz')
-  call writefile([], 'Xnamedir/あいう/123')
-
-  call term_sendkeys(buf, "\<C-U>set wildmode&\<CR>")
-  call term_sendkeys(buf, ":\<C-U>e Xnamedir/あいう/\<Tab>")
-  call VerifyScreenDump(buf, 'Test_wildmenu_pum_32', {})
-
-  " Pressing <C-A> when the popup menu is displayed should list all the
-  " matches and pressing a key after that should remove the popup menu
-  call term_sendkeys(buf, "\<C-U>set wildmode=full\<CR>")
-  call term_sendkeys(buf, ":sign \<Tab>\<C-A>x")
-  call VerifyScreenDump(buf, 'Test_wildmenu_pum_33', {})
-
-  " Pressing <C-A> when the popup menu is displayed should list all the
-  " matches and pressing <Left> after that should move the cursor
-  call term_sendkeys(buf, "\<C-U>abc\<Esc>")
-  call term_sendkeys(buf, ":sign \<Tab>\<C-A>\<Left>")
-  call VerifyScreenDump(buf, 'Test_wildmenu_pum_34', {})
-
-  " When <C-A> displays a lot of matches (screen scrolls), all the matches
-  " should be displayed correctly on the screen.
-  call term_sendkeys(buf, "\<End>\<C-U>Tcmd \<Tab>\<C-A>\<Left>\<Left>")
-  call VerifyScreenDump(buf, 'Test_wildmenu_pum_35', {})
-
-  " After using <C-A> to expand all the filename matches, pressing <Up>
-  " should not open the popup menu again.
-  call term_sendkeys(buf, "\<C-E>\<C-U>:cd Xnamedir/XdirA\<CR>")
-  call term_sendkeys(buf, ":e \<Tab>\<C-A>\<Up>")
-  call VerifyScreenDump(buf, 'Test_wildmenu_pum_36', {})
-  call term_sendkeys(buf, "\<C-E>\<C-U>:cd -\<CR>")
-
-  " After using <C-A> to expand all the matches, pressing <S-Tab> used to
-  " crash Vim
-  call term_sendkeys(buf, ":sign \<Tab>\<C-A>\<S-Tab>")
-  call VerifyScreenDump(buf, 'Test_wildmenu_pum_37', {})
-
-  " After removing the pum the command line is redrawn
-  call term_sendkeys(buf, ":edit foo\<CR>")
-  call term_sendkeys(buf, ":edit bar\<CR>")
-  call term_sendkeys(buf, ":ls\<CR>")
-  call term_sendkeys(buf, ":com\<Tab> ")
-  call VerifyScreenDump(buf, 'Test_wildmenu_pum_38', {})
-  call term_sendkeys(buf, "\<C-U>\<CR>")
-
-  " Esc still works to abort the command when 'statusline' is set
-  call term_sendkeys(buf, ":call SetupStatusline()\<CR>")
-  call term_sendkeys(buf, ":si\<Tab>")
-  call term_sendkeys(buf, "\<Esc>")
-  call VerifyScreenDump(buf, 'Test_wildmenu_pum_39', {})
-
-  " Esc still works to abort the command when 'tabline' is set
-  call term_sendkeys(buf, ":call SetupTabline()\<CR>")
-  call term_sendkeys(buf, ":si\<Tab>")
-  call term_sendkeys(buf, "\<Esc>")
-  call VerifyScreenDump(buf, 'Test_wildmenu_pum_40', {})
-
-  " popup is cleared also when 'lazyredraw' is set
-  call term_sendkeys(buf, ":set showtabline=1 laststatus=1 lazyredraw\<CR>")
-  call term_sendkeys(buf, ":call DoFeedKeys()\<CR>")
-  call VerifyScreenDump(buf, 'Test_wildmenu_pum_41', {})
-  call term_sendkeys(buf, "\<Esc>")
-
-  " Pressing <PageDown> should scroll the menu downward
-  call term_sendkeys(buf, ":sign \<Tab>\<PageDown>")
-  call VerifyScreenDump(buf, 'Test_wildmenu_pum_42', {})
-  call term_sendkeys(buf, "\<PageDown>")
-  call VerifyScreenDump(buf, 'Test_wildmenu_pum_43', {})
-  call term_sendkeys(buf, "\<PageDown>")
-  call VerifyScreenDump(buf, 'Test_wildmenu_pum_44', {})
-  call term_sendkeys(buf, "\<PageDown>")
-  call VerifyScreenDump(buf, 'Test_wildmenu_pum_45', {})
-  call term_sendkeys(buf, "\<C-U>sign \<Tab>\<Down>\<Down>\<PageDown>")
-  call VerifyScreenDump(buf, 'Test_wildmenu_pum_46', {})
-
-  " Pressing <PageUp> should scroll the menu upward
-  call term_sendkeys(buf, "\<C-U>sign \<Tab>\<PageUp>")
-  call VerifyScreenDump(buf, 'Test_wildmenu_pum_47', {})
-  call term_sendkeys(buf, "\<PageUp>")
-  call VerifyScreenDump(buf, 'Test_wildmenu_pum_48', {})
-  call term_sendkeys(buf, "\<PageUp>")
-  call VerifyScreenDump(buf, 'Test_wildmenu_pum_49', {})
-  call term_sendkeys(buf, "\<PageUp>")
-  call VerifyScreenDump(buf, 'Test_wildmenu_pum_50', {})
-
-  call term_sendkeys(buf, "\<C-U>\<CR>")
-  call StopVimInTerminal(buf)
-endfunc
-
-" Test for wildmenumode() with the cmdline popup menu
-func Test_wildmenumode_with_pum()
-  set wildmenu
-  set wildoptions=pum
-  cnoremap <expr> <F2> wildmenumode()
-  call feedkeys(":sign \<Tab>\<F2>\<F2>\<C-B>\"\<CR>", 'xt')
-  call assert_equal('"sign define10', @:)
-  call feedkeys(":sign \<Tab>\<C-A>\<F2>\<C-B>\"\<CR>", 'xt')
-  call assert_equal('"sign define jump list place undefine unplace0', @:)
-  call feedkeys(":sign \<Tab>\<C-E>\<F2>\<C-B>\"\<CR>", 'xt')
-  call assert_equal('"sign 0', @:)
-  call feedkeys(":sign \<Tab>\<C-Y>\<F2>\<C-B>\"\<CR>", 'xt')
-  call assert_equal('"sign define0', @:)
-  set nowildmenu wildoptions&
-  cunmap <F2>
-endfunc
-
-func Test_wildmenu_with_pum_foldexpr()
-  CheckRunVimInTerminal
-
-  let lines =<< trim END
-      call setline(1, ['folded one', 'folded two', 'some more text'])
-      func MyFoldText()
-        return 'foo'
-      endfunc
-      set foldtext=MyFoldText() wildoptions=pum
-      normal ggzfj
-  END
-  call writefile(lines, 'Xpumfold', 'D')
-  let buf = RunVimInTerminal('-S Xpumfold', #{rows: 10})
-  call term_sendkeys(buf, ":set\<Tab>")
-  call VerifyScreenDump(buf, 'Test_wildmenu_with_pum_foldexpr_1', {})
-
-  call term_sendkeys(buf, "\<Esc>")
-  call VerifyScreenDump(buf, 'Test_wildmenu_with_pum_foldexpr_2', {})
-
-  call StopVimInTerminal(buf)
-endfunc
-
-" Test for opening the cmdline completion popup menu from the terminal window.
-" The popup menu should be positioned correctly over the status line of the
-" bottom-most window.
-func Test_wildmenu_pum_from_terminal()
-  CheckRunVimInTerminal
-  let python = PythonProg()
-  call CheckPython(python)
-
-  %bw!
-  let cmds = ['set wildmenu wildoptions=pum']
-  let pcmd = python .. ' -c "import sys; sys.stdout.write(sys.stdin.read())"'
-  call add(cmds, "call term_start('" .. pcmd .. "')")
-  call writefile(cmds, 'Xtest', 'D')
-  let buf = RunVimInTerminal('-S Xtest', #{rows: 10})
-  call term_sendkeys(buf, "\r\r\r")
-  call term_wait(buf)
-  call term_sendkeys(buf, "\<C-W>:sign \<Tab>")
-  call term_wait(buf)
-  call VerifyScreenDump(buf, 'Test_wildmenu_pum_term_01', {})
-  call term_wait(buf)
-  call StopVimInTerminal(buf)
-endfunc
-
-func Test_wildmenu_pum_clear_entries()
-  CheckRunVimInTerminal
-
-  " This was using freed memory.  Run in a terminal to get the pum to update.
-  let lines =<< trim END
-    set wildoptions=pum
-    set wildchar=<C-E>
-  END
-  call writefile(lines, 'XwildmenuTest', 'D')
-  let buf = RunVimInTerminal('-S XwildmenuTest', #{rows: 10})
-
-  call term_sendkeys(buf, ":\<C-E>\<C-E>")
-  call VerifyScreenDump(buf, 'Test_wildmenu_pum_clear_entries_1', {})
-
-  set wildoptions& wildchar&
-endfunc
-
-" Test for completion after a :substitute command followed by a pipe (|)
-" character
-func Test_cmdline_complete_substitute()
-  call feedkeys(":s | \t\<C-B>\"\<CR>", 'xt')
-  call assert_equal("\"s | \t", @:)
-  call feedkeys(":s/ | \t\<C-B>\"\<CR>", 'xt')
-  call assert_equal("\"s/ | \t", @:)
-  call feedkeys(":s/one | \t\<C-B>\"\<CR>", 'xt')
-  call assert_equal("\"s/one | \t", @:)
-  call feedkeys(":s/one/ | \t\<C-B>\"\<CR>", 'xt')
-  call assert_equal("\"s/one/ | \t", @:)
-  call feedkeys(":s/one/two | \t\<C-B>\"\<CR>", 'xt')
-  call assert_equal("\"s/one/two | \t", @:)
-  call feedkeys(":s/one/two/ | chist\t\<C-B>\"\<CR>", 'xt')
-  call assert_equal('"s/one/two/ | chistory', @:)
-  call feedkeys(":s/one/two/g \t\<C-B>\"\<CR>", 'xt')
-  call assert_equal("\"s/one/two/g \t", @:)
-  call feedkeys(":s/one/two/g | chist\t\<C-B>\"\<CR>", 'xt')
-  call assert_equal("\"s/one/two/g | chistory", @:)
-  call feedkeys(":s/one/t\\/ | \t\<C-B>\"\<CR>", 'xt')
-  call assert_equal("\"s/one/t\\/ | \t", @:)
-  call feedkeys(":s/one/t\"o/ | chist\t\<C-B>\"\<CR>", 'xt')
-  call assert_equal('"s/one/t"o/ | chistory', @:)
-  call feedkeys(":s/one/t|o/ | chist\t\<C-B>\"\<CR>", 'xt')
-  call assert_equal('"s/one/t|o/ | chistory', @:)
-  call feedkeys(":&\t\<C-B>\"\<CR>", 'xt')
-  call assert_equal("\"&\t", @:)
-endfunc
-
-" Test for the :dlist command completion
-func Test_cmdline_complete_dlist()
-  call feedkeys(":dlist 10 /pat/ a\<C-A>\<C-B>\"\<CR>", 'xt')
-  call assert_equal("\"dlist 10 /pat/ a\<C-A>", @:)
-  call feedkeys(":dlist 10 /pat/ \t\<C-B>\"\<CR>", 'xt')
-  call assert_equal("\"dlist 10 /pat/ \t", @:)
-  call feedkeys(":dlist 10 /pa\\t/\t\<C-B>\"\<CR>", 'xt')
-  call assert_equal("\"dlist 10 /pa\\t/\t", @:)
-  call feedkeys(":dlist 10 /pat\\\t\<C-B>\"\<CR>", 'xt')
-  call assert_equal("\"dlist 10 /pat\\\t", @:)
-  call feedkeys(":dlist 10 /pat/ | chist\<Tab>\<C-B>\"\<CR>", 'xt')
-  call assert_equal("\"dlist 10 /pat/ | chistory", @:)
-endfunc
-
-" argument list (only for :argdel) fuzzy completion
-func Test_fuzzy_completion_arglist()
-  argadd change.py count.py charge.py
-  set wildoptions&
-  call feedkeys(":argdel cge\<C-A>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"argdel cge', @:)
-  set wildoptions=fuzzy
-  call feedkeys(":argdel cge\<C-A>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"argdel change.py charge.py', @:)
-  %argdelete
-  set wildoptions&
-endfunc
-
-" autocmd group name fuzzy completion
-func Test_fuzzy_completion_autocmd()
-  set wildoptions&
-  augroup MyFuzzyGroup
-  augroup END
-  call feedkeys(":augroup mfg\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"augroup mfg', @:)
-  call feedkeys(":augroup My*p\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"augroup MyFuzzyGroup', @:)
-  set wildoptions=fuzzy
-  call feedkeys(":augroup mfg\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"augroup MyFuzzyGroup', @:)
-  call feedkeys(":augroup My*p\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"augroup My*p', @:)
-  augroup! MyFuzzyGroup
-  set wildoptions&
-endfunc
-
-" buffer name fuzzy completion
-func Test_fuzzy_completion_bufname()
-  set wildoptions&
-  " Use a long name to reduce the risk of matching a random directory name
-  edit SomeRandomFileWithLetters.txt
-  enew
-  call feedkeys(":b SRFWL\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"b SRFWL', @:)
-  call feedkeys(":b S*FileWithLetters.txt\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"b SomeRandomFileWithLetters.txt', @:)
-  set wildoptions=fuzzy
-  call feedkeys(":b SRFWL\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"b SomeRandomFileWithLetters.txt', @:)
-  call feedkeys(":b S*FileWithLetters.txt\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"b S*FileWithLetters.txt', @:)
-  %bw!
-  set wildoptions&
-endfunc
-
-" buffer name (full path) fuzzy completion
-func Test_fuzzy_completion_bufname_fullpath()
-  CheckUnix
-  set wildoptions&
-  call mkdir('Xcmd/Xstate/Xfile.js', 'pR')
-  edit Xcmd/Xstate/Xfile.js
-  cd Xcmd/Xstate
-  enew
-  call feedkeys(":b CmdStateFile\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"b CmdStateFile', @:)
-  set wildoptions=fuzzy
-  call feedkeys(":b CmdStateFile\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_match('Xcmd/Xstate/Xfile.js$', @:)
-  cd -
-  set wildoptions&
-endfunc
-
-" :behave suboptions fuzzy completion
-func Test_fuzzy_completion_behave()
-  set wildoptions&
-  call feedkeys(":behave xm\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"behave xm', @:)
-  call feedkeys(":behave xt*m\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"behave xterm', @:)
-  set wildoptions=fuzzy
-  call feedkeys(":behave xm\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"behave xterm', @:)
-  call feedkeys(":behave xt*m\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"behave xt*m', @:)
-  let g:Sline = ''
-  call feedkeys(":behave win\<C-D>\<F4>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('mswin', g:Sline)
-  call assert_equal('"behave win', @:)
-  set wildoptions&
-endfunc
-
-" " colorscheme name fuzzy completion - NOT supported
-" func Test_fuzzy_completion_colorscheme()
-" endfunc
-
-" built-in command name fuzzy completion
-func Test_fuzzy_completion_cmdname()
-  set wildoptions&
-  call feedkeys(":sbwin\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"sbwin', @:)
-  call feedkeys(":sbr*d\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"sbrewind', @:)
-  set wildoptions=fuzzy
-  call feedkeys(":sbwin\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"sbrewind', @:)
-  call feedkeys(":sbr*d\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"sbr*d', @:)
-  set wildoptions&
-endfunc
-
-" " compiler name fuzzy completion - NOT supported
-" func Test_fuzzy_completion_compiler()
-" endfunc
-
-" :cscope suboptions fuzzy completion
-func Test_fuzzy_completion_cscope()
-  CheckFeature cscope
-  set wildoptions&
-  call feedkeys(":cscope ret\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"cscope ret', @:)
-  call feedkeys(":cscope re*t\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"cscope reset', @:)
-  set wildoptions=fuzzy
-  call feedkeys(":cscope ret\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"cscope reset', @:)
-  call feedkeys(":cscope re*t\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"cscope re*t', @:)
-  set wildoptions&
-endfunc
-
-" :diffget/:diffput buffer name fuzzy completion
-func Test_fuzzy_completion_diff()
-  new SomeBuffer
-  diffthis
-  new OtherBuffer
-  diffthis
-  set wildoptions&
-  call feedkeys(":diffget sbuf\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"diffget sbuf', @:)
-  call feedkeys(":diffput sbuf\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"diffput sbuf', @:)
-  set wildoptions=fuzzy
-  call feedkeys(":diffget sbuf\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"diffget SomeBuffer', @:)
-  call feedkeys(":diffput sbuf\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"diffput SomeBuffer', @:)
-  %bw!
-  set wildoptions&
-endfunc
-
-" " directory name fuzzy completion - NOT supported
-" func Test_fuzzy_completion_dirname()
-" endfunc
-
-" environment variable name fuzzy completion
-func Test_fuzzy_completion_env()
-  set wildoptions&
-  call feedkeys(":echo $VUT\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"echo $VUT', @:)
-  set wildoptions=fuzzy
-  call feedkeys(":echo $VUT\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"echo $VIMRUNTIME', @:)
-  set wildoptions&
-endfunc
-
-" autocmd event fuzzy completion
-func Test_fuzzy_completion_autocmd_event()
-  set wildoptions&
-  call feedkeys(":autocmd BWout\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"autocmd BWout', @:)
-  set wildoptions=fuzzy
-  call feedkeys(":autocmd BWout\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"autocmd BufWipeout', @:)
-  set wildoptions&
-endfunc
-
-" vim expression fuzzy completion
-func Test_fuzzy_completion_expr()
-  let g:PerPlaceCount = 10
-  set wildoptions&
-  call feedkeys(":let c = ppc\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"let c = ppc', @:)
-  set wildoptions=fuzzy
-  call feedkeys(":let c = ppc\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"let c = PerPlaceCount', @:)
-  set wildoptions&
-endfunc
-
-" " file name fuzzy completion - NOT supported
-" func Test_fuzzy_completion_filename()
-" endfunc
-
-" " files in path fuzzy completion - NOT supported
-" func Test_fuzzy_completion_filesinpath()
-" endfunc
-
-" " filetype name fuzzy completion - NOT supported
-" func Test_fuzzy_completion_filetype()
-" endfunc
-
-" user defined function name completion
-func Test_fuzzy_completion_userdefined_func()
-  set wildoptions&
-  call feedkeys(":call Test_f_u_f\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"call Test_f_u_f', @:)
-  set wildoptions=fuzzy
-  call feedkeys(":call Test_f_u_f\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"call Test_fuzzy_completion_userdefined_func()', @:)
-  set wildoptions&
-endfunc
-
-" <SNR> functions should be sorted to the end
-func Test_fuzzy_completion_userdefined_snr_func()
-  func s:Sendmail()
-  endfunc
-  func SendSomemail()
-  endfunc
-  func S1e2n3dmail()
-  endfunc
-  set wildoptions=fuzzy
-  call feedkeys(":call sendmail\<C-A>\<C-B>\"\<CR>", 'tx')
-  call assert_match('"call SendSomemail() S1e2n3dmail() <SNR>\d\+_Sendmail()', @:)
-  set wildoptions&
-  delfunc s:Sendmail
-  delfunc SendSomemail
-  delfunc S1e2n3dmail
-endfunc
-
-" user defined command name completion
-func Test_fuzzy_completion_userdefined_cmd()
-  set wildoptions&
-  call feedkeys(":MsFeat\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"MsFeat', @:)
-  set wildoptions=fuzzy
-  call feedkeys(":MsFeat\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"MissingFeature', @:)
-  set wildoptions&
-endfunc
-
-" " :help tag fuzzy completion - NOT supported
-" func Test_fuzzy_completion_helptag()
-" endfunc
-
-" highlight group name fuzzy completion
-func Test_fuzzy_completion_hlgroup()
-  set wildoptions&
-  call feedkeys(":highlight SKey\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"highlight SKey', @:)
-  call feedkeys(":highlight Sp*Key\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"highlight SpecialKey', @:)
-  set wildoptions=fuzzy
-  call feedkeys(":highlight SKey\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"highlight SpecialKey', @:)
-  call feedkeys(":highlight Sp*Key\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"highlight Sp*Key', @:)
-  set wildoptions&
-endfunc
-
-" :history suboptions fuzzy completion
-func Test_fuzzy_completion_history()
-  set wildoptions&
-  call feedkeys(":history dg\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"history dg', @:)
-  call feedkeys(":history se*h\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"history search', @:)
-  set wildoptions=fuzzy
-  call feedkeys(":history dg\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"history debug', @:)
-  call feedkeys(":history se*h\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"history se*h', @:)
-  set wildoptions&
-endfunc
-
-" :language locale name fuzzy completion
-func Test_fuzzy_completion_lang()
-  CheckUnix
-  set wildoptions&
-  call feedkeys(":lang psx\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"lang psx', @:)
-  set wildoptions=fuzzy
-  call feedkeys(":lang psx\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"lang POSIX', @:)
-  set wildoptions&
-endfunc
-
-" :mapclear buffer argument fuzzy completion
-func Test_fuzzy_completion_mapclear()
-  set wildoptions&
-  call feedkeys(":mapclear buf\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"mapclear buf', @:)
-  set wildoptions=fuzzy
-  call feedkeys(":mapclear buf\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"mapclear <buffer>', @:)
-  set wildoptions&
-endfunc
-
-" map name fuzzy completion
-func Test_fuzzy_completion_mapname()
-  " test regex completion works
-  set wildoptions=fuzzy
-  call feedkeys(":cnoremap <ex\<Tab> <esc> \<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"cnoremap <expr> <esc> \<Tab>", @:)
-  nmap <plug>MyLongMap :p<CR>
-  call feedkeys(":nmap MLM\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"nmap <Plug>MyLongMap", @:)
-  call feedkeys(":nmap MLM \<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"nmap MLM \t", @:)
-  call feedkeys(":nmap <F2> one two \<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"nmap <F2> one two \t", @:)
-  " duplicate entries should be removed
-  vmap <plug>MyLongMap :<C-U>#<CR>
-  call feedkeys(":nmap MLM\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"nmap <Plug>MyLongMap", @:)
-  nunmap <plug>MyLongMap
-  vunmap <plug>MyLongMap
-  call feedkeys(":nmap ABC\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"nmap ABC\t", @:)
-  " results should be sorted by best match
-  nmap <Plug>format :
-  nmap <Plug>goformat :
-  nmap <Plug>TestFOrmat :
-  nmap <Plug>fendoff :
-  nmap <Plug>state :
-  nmap <Plug>FendingOff :
-  call feedkeys(":nmap <Plug>fo\<C-A>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"nmap <Plug>format <Plug>TestFOrmat <Plug>FendingOff <Plug>goformat <Plug>fendoff", @:)
-  nunmap <Plug>format
-  nunmap <Plug>goformat
-  nunmap <Plug>TestFOrmat
-  nunmap <Plug>fendoff
-  nunmap <Plug>state
-  nunmap <Plug>FendingOff
-  set wildoptions&
-endfunc
-
-" abbreviation fuzzy completion
-func Test_fuzzy_completion_abbr()
-  set wildoptions=fuzzy
-  call feedkeys(":iabbr wait\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"iabbr <nowait>", @:)
-  iabbr WaitForCompletion WFC
-  call feedkeys(":iabbr fcl\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"iabbr WaitForCompletion", @:)
-  call feedkeys(":iabbr a1z\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"iabbr a1z\t", @:)
-
-  iunabbrev WaitForCompletion
-  set wildoptions&
-endfunc
-
-" menu name fuzzy completion
-func Test_fuzzy_completion_menu()
-  CheckFeature menu
-
-  source $VIMRUNTIME/menu.vim
-  set wildoptions&
-  call feedkeys(":menu pup\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"menu pup', @:)
-  set wildoptions=fuzzy
-  call feedkeys(":menu pup\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"menu PopUp.', @:)
-
-  set wildoptions&
-  source $VIMRUNTIME/delmenu.vim
-endfunc
-
-" :messages suboptions fuzzy completion
-func Test_fuzzy_completion_messages()
-  set wildoptions&
-  call feedkeys(":messages clr\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"messages clr', @:)
-  set wildoptions=fuzzy
-  call feedkeys(":messages clr\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"messages clear', @:)
-  set wildoptions&
-endfunc
-
-" :set option name fuzzy completion
-func Test_fuzzy_completion_option()
-  set wildoptions&
-  call feedkeys(":set brkopt\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"set brkopt', @:)
-  set wildoptions=fuzzy
-  call feedkeys(":set brkopt\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"set breakindentopt', @:)
-  set wildoptions&
-  call feedkeys(":set fixeol\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"set fixendofline', @:)
-  set wildoptions=fuzzy
-  call feedkeys(":set fixeol\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"set fixendofline', @:)
-  set wildoptions&
-endfunc
-
-" :set <term_option>
-func Test_fuzzy_completion_term_option()
-  set wildoptions&
-  call feedkeys(":set t_E\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"set t_EC', @:)
-  call feedkeys(":set <t_E\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"set <t_EC>', @:)
-  set wildoptions=fuzzy
-  call feedkeys(":set t_E\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"set t_EC', @:)
-  call feedkeys(":set <t_E\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"set <t_EC>', @:)
-  set wildoptions&
-endfunc
-
-" " :packadd directory name fuzzy completion - NOT supported
-" func Test_fuzzy_completion_packadd()
-" endfunc
-
-" " shell command name fuzzy completion - NOT supported
-" func Test_fuzzy_completion_shellcmd()
-" endfunc
-
-" :sign suboptions fuzzy completion
-func Test_fuzzy_completion_sign()
-  set wildoptions&
-  call feedkeys(":sign ufe\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"sign ufe', @:)
-  set wildoptions=fuzzy
-  call feedkeys(":sign ufe\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"sign undefine', @:)
-  set wildoptions&
-endfunc
-
-" :syntax suboptions fuzzy completion
-func Test_fuzzy_completion_syntax_cmd()
-  set wildoptions&
-  call feedkeys(":syntax kwd\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"syntax kwd', @:)
-  set wildoptions=fuzzy
-  call feedkeys(":syntax kwd\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"syntax keyword', @:)
-  set wildoptions&
-endfunc
-
-" syntax group name fuzzy completion
-func Test_fuzzy_completion_syntax_group()
-  set wildoptions&
-  call feedkeys(":syntax list mpar\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"syntax list mpar', @:)
-  set wildoptions=fuzzy
-  call feedkeys(":syntax list mpar\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"syntax list MatchParen', @:)
-  set wildoptions&
-endfunc
-
-" :syntime suboptions fuzzy completion
-func Test_fuzzy_completion_syntime()
-  CheckFeature profile
-  set wildoptions&
-  call feedkeys(":syntime clr\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"syntime clr', @:)
-  set wildoptions=fuzzy
-  call feedkeys(":syntime clr\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"syntime clear', @:)
-  set wildoptions&
-endfunc
-
-" " tag name fuzzy completion - NOT supported
-" func Test_fuzzy_completion_tagname()
-" endfunc
-
-" " tag name and file fuzzy completion - NOT supported
-" func Test_fuzzy_completion_tagfile()
-" endfunc
-
-" " user names fuzzy completion - how to test this functionality?
-" func Test_fuzzy_completion_username()
-" endfunc
-
-" user defined variable name fuzzy completion
-func Test_fuzzy_completion_userdefined_var()
-  let g:SomeVariable=10
-  set wildoptions&
-  call feedkeys(":let SVar\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"let SVar', @:)
-  set wildoptions=fuzzy
-  call feedkeys(":let SVar\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"let SomeVariable', @:)
-  set wildoptions&
-endfunc
-
-" Test for sorting the results by the best match
-func Test_fuzzy_completion_cmd_sort_results()
-  %bw!
-  command T123format :
-  command T123goformat :
-  command T123TestFOrmat :
-  command T123fendoff :
-  command T123state :
-  command T123FendingOff :
-  set wildoptions=fuzzy
-  call feedkeys(":T123fo\<C-A>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"T123format T123TestFOrmat T123FendingOff T123goformat T123fendoff', @:)
-  delcommand T123format
-  delcommand T123goformat
-  delcommand T123TestFOrmat
-  delcommand T123fendoff
-  delcommand T123state
-  delcommand T123FendingOff
-  %bw
-  set wildoptions&
-endfunc
-
-" Test for fuzzy completion of a command with lower case letters and a number
-func Test_fuzzy_completion_cmd_alnum()
-  command Foo2Bar :
-  set wildoptions=fuzzy
-  call feedkeys(":foo2\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"Foo2Bar', @:)
-  call feedkeys(":foo\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"Foo2Bar', @:)
-  call feedkeys(":bar\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"Foo2Bar', @:)
-  delcommand Foo2Bar
-  set wildoptions&
-endfunc
-
-" Test for command completion for a command starting with 'k'
-func Test_fuzzy_completion_cmd_k()
-  command KillKillKill :
-  set wildoptions&
-  call feedkeys(":killkill\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"killkill\<Tab>", @:)
-  set wildoptions=fuzzy
-  call feedkeys(":killkill\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"KillKillKill', @:)
-  delcom KillKillKill
-  set wildoptions&
-endfunc
-
-" Test for fuzzy completion for user defined custom completion function
-func Test_fuzzy_completion_custom_func()
-  func Tcompl(a, c, p)
-    return "format\ngoformat\nTestFOrmat\nfendoff\nstate"
-  endfunc
-  command -nargs=* -complete=custom,Tcompl Fuzzy :
-  set wildoptions&
-  call feedkeys(":Fuzzy fo\<C-A>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"Fuzzy format", @:)
-  call feedkeys(":Fuzzy xy\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"Fuzzy xy", @:)
-  call feedkeys(":Fuzzy ttt\<C-A>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"Fuzzy ttt", @:)
-  set wildoptions=fuzzy
-  call feedkeys(":Fuzzy \<C-A>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"Fuzzy format goformat TestFOrmat fendoff state", @:)
-  call feedkeys(":Fuzzy fo\<C-A>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"Fuzzy format TestFOrmat goformat fendoff", @:)
-  call feedkeys(":Fuzzy xy\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"Fuzzy xy", @:)
-  call feedkeys(":Fuzzy ttt\<C-A>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"Fuzzy TestFOrmat", @:)
-  delcom Fuzzy
-  set wildoptions&
-endfunc
-
-" Test for :breakadd argument completion
-func Test_cmdline_complete_breakadd()
-  call feedkeys(":breakadd \<C-A>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"breakadd expr file func here", @:)
-  call feedkeys(":breakadd \<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"breakadd expr", @:)
-  call feedkeys(":breakadd    \<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"breakadd    expr", @:)
-  call feedkeys(":breakadd he\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"breakadd here", @:)
-  call feedkeys(":breakadd    he\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"breakadd    here", @:)
-  call feedkeys(":breakadd abc\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"breakadd abc", @:)
-  call assert_equal(['expr', 'file', 'func', 'here'], getcompletion('', 'breakpoint'))
-  let l = getcompletion('not', 'breakpoint')
-  call assert_equal([], l)
-
-  " Test for :breakadd file [lnum] <file>
-  call writefile([], 'Xscript', 'D')
-  call feedkeys(":breakadd file Xsc\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"breakadd file Xscript", @:)
-  call feedkeys(":breakadd   file   Xsc\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"breakadd   file   Xscript", @:)
-  call feedkeys(":breakadd file 20 Xsc\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"breakadd file 20 Xscript", @:)
-  call feedkeys(":breakadd   file   20   Xsc\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"breakadd   file   20   Xscript", @:)
-  call feedkeys(":breakadd file 20x Xsc\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"breakadd file 20x Xsc\t", @:)
-  call feedkeys(":breakadd file 20\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"breakadd file 20\t", @:)
-  call feedkeys(":breakadd file 20x\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"breakadd file 20x\t", @:)
-  call feedkeys(":breakadd file Xscript  \<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"breakadd file Xscript  ", @:)
-  call feedkeys(":breakadd file X1B2C3\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"breakadd file X1B2C3", @:)
-
-  " Test for :breakadd func [lnum] <function>
-  func Xbreak_func()
-  endfunc
-  call feedkeys(":breakadd func Xbr\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"breakadd func Xbreak_func", @:)
-  call feedkeys(":breakadd    func    Xbr\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"breakadd    func    Xbreak_func", @:)
-  call feedkeys(":breakadd func 20 Xbr\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"breakadd func 20 Xbreak_func", @:)
-  call feedkeys(":breakadd   func   20   Xbr\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"breakadd   func   20   Xbreak_func", @:)
-  call feedkeys(":breakadd func 20x Xbr\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"breakadd func 20x Xbr\t", @:)
-  call feedkeys(":breakadd func 20\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"breakadd func 20\t", @:)
-  call feedkeys(":breakadd func 20x\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"breakadd func 20x\t", @:)
-  call feedkeys(":breakadd func Xbreak_func  \<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"breakadd func Xbreak_func  ", @:)
-  call feedkeys(":breakadd func X1B2C3\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"breakadd func X1B2C3", @:)
-  delfunc Xbreak_func
-
-  " Test for :breakadd expr <expression>
-  let g:Xtest_var = 10
-  call feedkeys(":breakadd expr Xtest\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"breakadd expr Xtest_var", @:)
-  call feedkeys(":breakadd    expr    Xtest\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"breakadd    expr    Xtest_var", @:)
-  call feedkeys(":breakadd expr Xtest_var  \<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"breakadd expr Xtest_var  ", @:)
-  call feedkeys(":breakadd expr X1B2C3\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"breakadd expr X1B2C3", @:)
-  unlet g:Xtest_var
-
-  " Test for :breakadd here
-  call feedkeys(":breakadd here Xtest\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"breakadd here Xtest", @:)
-  call feedkeys(":breakadd   here   Xtest\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"breakadd   here   Xtest", @:)
-  call feedkeys(":breakadd here \<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"breakadd here ", @:)
-endfunc
-
-" Test for :breakdel argument completion
-func Test_cmdline_complete_breakdel()
-  call feedkeys(":breakdel \<C-A>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"breakdel file func here", @:)
-  call feedkeys(":breakdel \<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"breakdel file", @:)
-  call feedkeys(":breakdel    \<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"breakdel    file", @:)
-  call feedkeys(":breakdel he\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"breakdel here", @:)
-  call feedkeys(":breakdel    he\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"breakdel    here", @:)
-  call feedkeys(":breakdel abc\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"breakdel abc", @:)
-
-  " Test for :breakdel file [lnum] <file>
-  call writefile([], 'Xscript', 'D')
-  call feedkeys(":breakdel file Xsc\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"breakdel file Xscript", @:)
-  call feedkeys(":breakdel   file   Xsc\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"breakdel   file   Xscript", @:)
-  call feedkeys(":breakdel file 20 Xsc\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"breakdel file 20 Xscript", @:)
-  call feedkeys(":breakdel   file   20   Xsc\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"breakdel   file   20   Xscript", @:)
-  call feedkeys(":breakdel file 20x Xsc\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"breakdel file 20x Xsc\t", @:)
-  call feedkeys(":breakdel file 20\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"breakdel file 20\t", @:)
-  call feedkeys(":breakdel file 20x\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"breakdel file 20x\t", @:)
-  call feedkeys(":breakdel file Xscript  \<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"breakdel file Xscript  ", @:)
-  call feedkeys(":breakdel file X1B2C3\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"breakdel file X1B2C3", @:)
-
-  " Test for :breakdel func [lnum] <function>
-  func Xbreak_func()
-  endfunc
-  call feedkeys(":breakdel func Xbr\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"breakdel func Xbreak_func", @:)
-  call feedkeys(":breakdel   func   Xbr\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"breakdel   func   Xbreak_func", @:)
-  call feedkeys(":breakdel func 20 Xbr\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"breakdel func 20 Xbreak_func", @:)
-  call feedkeys(":breakdel   func   20   Xbr\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"breakdel   func   20   Xbreak_func", @:)
-  call feedkeys(":breakdel func 20x Xbr\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"breakdel func 20x Xbr\t", @:)
-  call feedkeys(":breakdel func 20\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"breakdel func 20\t", @:)
-  call feedkeys(":breakdel func 20x\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"breakdel func 20x\t", @:)
-  call feedkeys(":breakdel func Xbreak_func  \<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"breakdel func Xbreak_func  ", @:)
-  call feedkeys(":breakdel func X1B2C3\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"breakdel func X1B2C3", @:)
-  delfunc Xbreak_func
-
-  " Test for :breakdel here
-  call feedkeys(":breakdel here Xtest\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"breakdel here Xtest", @:)
-  call feedkeys(":breakdel   here   Xtest\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"breakdel   here   Xtest", @:)
-  call feedkeys(":breakdel here \<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"breakdel here ", @:)
-endfunc
-
-" Test for :scriptnames argument completion
-func Test_cmdline_complete_scriptnames()
-  set wildmenu
-  call writefile(['let a = 1'], 'Xa1b2c3.vim', 'D')
-  source Xa1b2c3.vim
-  call feedkeys(":script \<Tab>\<Left>\<Left>\<C-B>\"\<CR>", 'tx')
-  call assert_match("\"script .*Xa1b2c3.vim$", @:)
-  call feedkeys(":script    \<Tab>\<Left>\<Left>\<C-B>\"\<CR>", 'tx')
-  call assert_match("\"script .*Xa1b2c3.vim$", @:)
-  call feedkeys(":script b2c3\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"script b2c3", @:)
-  call feedkeys(":script 2\<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_match("\"script 2\<Tab>$", @:)
-  call feedkeys(":script \<Tab>\<Left>\<Left> \<Tab>\<C-B>\"\<CR>", 'tx')
-  call assert_match("\"script .*Xa1b2c3.vim $", @:)
-  call feedkeys(":script \<Tab>\<Left>\<C-B>\"\<CR>", 'tx')
-  call assert_equal("\"script ", @:)
-  call assert_match('Xa1b2c3.vim$', getcompletion('.*Xa1b2.*', 'scriptnames')[0])
-  call assert_equal([], getcompletion('Xa1b2', 'scriptnames'))
-  new
-  call feedkeys(":script \<Tab>\<Left>\<Left>\<CR>", 'tx')
-  call assert_equal('Xa1b2c3.vim', fnamemodify(@%, ':t'))
-  bw!
-  set wildmenu&
-endfunc
-
-" this was going over the end of IObuff
-func Test_report_error_with_composing()
-  let caught = 'no'
-  try
-    exe repeat('0', 987) .. "0\xdd\x80\xdd\x80\xdd\x80\xdd\x80"
-  catch /E492:/
-    let caught = 'yes'
-  endtry
-  call assert_equal('yes', caught)
-endfunc
-
-" Test for expanding 2-letter and 3-letter :substitute command arguments.
-" These commands don't accept an argument.
-func Test_cmdline_complete_substitute_short()
-  for cmd in ['sc', 'sce', 'scg', 'sci', 'scI', 'scn', 'scp', 'scl',
-        \ 'sgc', 'sge', 'sg', 'sgi', 'sgI', 'sgn', 'sgp', 'sgl', 'sgr',
-        \ 'sic', 'sie', 'si', 'siI', 'sin', 'sip', 'sir',
-        \ 'sIc', 'sIe', 'sIg', 'sIi', 'sI', 'sIn', 'sIp', 'sIl', 'sIr',
-        \ 'src', 'srg', 'sri', 'srI', 'srn', 'srp', 'srl', 'sr']
-    call feedkeys(':' .. cmd .. " \<Tab>\<C-B>\"\<CR>", 'tx')
-    call assert_equal('"' .. cmd .. " \<Tab>", @:)
-  endfor
-endfunc
-
-" Test for :! shell command argument completion
-func Test_cmdline_complete_bang_cmd_argument()
-  set wildoptions=fuzzy
-  call feedkeys(":!vim test_cmdline.\<Tab>\<C-B>\"\<CR>", 'xt')
-  call assert_equal('"!vim test_cmdline.vim', @:)
-  set wildoptions&
-  call feedkeys(":!vim test_cmdline.\<Tab>\<C-B>\"\<CR>", 'xt')
-  call assert_equal('"!vim test_cmdline.vim', @:)
-endfunc
-
-func Call_cmd_funcs()
-  return string([getcmdpos(), getcmdscreenpos(), getcmdcompltype()])
-endfunc
-
-func Test_screenpos_and_completion()
-  call assert_equal(0, getcmdpos())
-  call assert_equal(0, getcmdscreenpos())
-  call assert_equal('', getcmdcompltype())
-
-  cnoremap <expr> <F2> string([getcmdpos(), getcmdscreenpos(), getcmdcompltype()])
-  call feedkeys(":let a\<F2>\<C-B>\"\<CR>", "xt")
-  call assert_equal("\"let a[6, 7, 'var']", @:)
-  call feedkeys(":quit \<F2>\<C-B>\"\<CR>", "xt")
-  call assert_equal("\"quit [6, 7, '']", @:)
-  call feedkeys(":nosuchcommand \<F2>\<C-B>\"\<CR>", "xt")
-  call assert_equal("\"nosuchcommand [15, 16, '']", @:)
-  cunmap <F2>
-endfunc
-
-func Test_recursive_register()
-  let @= = ''
-  silent! ?e/
-  let caught = 'no'
-  try
-    normal // 
-  catch /E169:/
-    let caught = 'yes'
-  endtry
-  call assert_equal('yes', caught)
-endfunc
-
-func Test_long_error_message()
-  " the error should be truncated, not overrun IObuff
-  silent! norm Q00000000000000     000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000                                                                                                                                                                                                                        
-endfunc
-
-func Test_cmdline_redraw_tabline()
-  CheckRunVimInTerminal
-
-  let lines =<< trim END
-      set showtabline=2
-      autocmd CmdlineEnter * set tabline=foo
-  END
-  call writefile(lines, 'Xcmdline_redraw_tabline', 'D')
-  let buf = RunVimInTerminal('-S Xcmdline_redraw_tabline', #{rows: 6})
-  call term_sendkeys(buf, ':')
-  call WaitForAssert({-> assert_match('^foo', term_getline(buf, 1))})
-
-  call StopVimInTerminal(buf)
-endfunc
-
-func Test_wildmenu_pum_disable_while_shown()
-  set wildoptions=pum
-  set wildmenu
-  cnoremap <F2> <Cmd>set nowildmenu<CR>
-  call feedkeys(":sign \<Tab>\<F2>\<Esc>", 'tx')
-  call assert_equal(0, pumvisible())
-  cunmap <F2>
-  set wildoptions& wildmenu&
-endfunc
-
-func Test_setcmdline()
-  func SetText(text, pos)
-    call assert_equal(0, setcmdline(test_null_string()))
-    call assert_equal('', getcmdline())
-    call assert_equal(1, getcmdpos())
-
-    call assert_equal(0, setcmdline(''[: -1]))
-    call assert_equal('', getcmdline())
-    call assert_equal(1, getcmdpos())
-
-    autocmd CmdlineChanged * let g:cmdtype = expand('<afile>')
-    call assert_equal(0, setcmdline(a:text))
-    call assert_equal(a:text, getcmdline())
-    call assert_equal(len(a:text) + 1, getcmdpos())
-    call assert_equal(getcmdtype(), g:cmdtype)
-    unlet g:cmdtype
-    autocmd! CmdlineChanged
-
-    call assert_equal(0, setcmdline(a:text, a:pos))
-    call assert_equal(a:text, getcmdline())
-    call assert_equal(a:pos, getcmdpos())
-
-    call assert_fails('call setcmdline("' .. a:text .. '", -1)', 'E487:')
-    call assert_fails('call setcmdline({}, 0)', 'E1174:')
-    call assert_fails('call setcmdline("' .. a:text .. '", {})', 'E1210:')
-
-    return ''
-  endfunc
-
-  call feedkeys(":\<C-R>=SetText('set rtp?', 2)\<CR>\<CR>", 'xt')
-  call assert_equal('set rtp?', @:)
-
-  call feedkeys(":let g:str = input('? ')\<CR>", 't')
-  call feedkeys("\<C-R>=SetText('foo', 4)\<CR>\<CR>", 'xt')
-  call assert_equal('foo', g:str)
-  unlet g:str
-
-  delfunc SetText
-
-  " setcmdline() returns 1 when not editing the command line.
-  call assert_equal(1, 'foo'->setcmdline())
-
-  " Called in custom function
-  func CustomComplete(A, L, P)
-    call assert_equal(0, setcmdline("DoCmd "))
-    return "January\nFebruary\nMars\n"
-  endfunc
-
-  com! -nargs=* -complete=custom,CustomComplete DoCmd :
-  call feedkeys(":DoCmd \<C-A>\<C-B>\"\<CR>", 'tx')
-  call assert_equal('"DoCmd January February Mars', @:)
-  delcom DoCmd
-  delfunc CustomComplete
-
-  " Called in <expr>
-  cnoremap <expr>a setcmdline('let foo=')
-  call feedkeys(":a\<CR>", 'tx')
-  call assert_equal('let foo=0', @:)
-  cunmap a
-endfunc
-
-func Test_rulerformat_position()
-  CheckScreendump
-
-  let buf = RunVimInTerminal('', #{rows: 2, cols: 20})
-  call term_sendkeys(buf, ":set ruler rulerformat=longish\<CR>")
-  call term_sendkeys(buf, ":set laststatus=0 winwidth=1\<CR>")
-  call term_sendkeys(buf, "\<C-W>v\<C-W>|\<C-W>p")
-  call VerifyScreenDump(buf, 'Test_rulerformat_position', {})
-
-  " clean up
-  call StopVimInTerminal(buf)
-endfunc
-
-" vim: shiftwidth=2 sts=2 expandtab
+" Tests for editing the command line.
+
+source check.vim
+source screendump.vim
+source view_util.vim
+source shared.vim
+import './vim9.vim' as v9
+
+func SetUp()
+  func SaveLastScreenLine()
+    let g:Sline = Screenline(&lines - 1)
+    return ''
+  endfunc
+  cnoremap <expr> <F4> SaveLastScreenLine()
+endfunc
+
+func TearDown()
+  delfunc SaveLastScreenLine
+  cunmap <F4>
+endfunc
+
+func Test_complete_tab()
+  call writefile(['testfile'], 'Xtestfile', 'D')
+  call feedkeys(":e Xtest\t\r", "tx")
+  call assert_equal('testfile', getline(1))
+
+  " Pressing <Tab> after '%' completes the current file, also on MS-Windows
+  call feedkeys(":e %\t\r", "tx")
+  call assert_equal('e Xtestfile', @:)
+endfunc
+
+func Test_complete_list()
+  " We can't see the output, but at least we check the code runs properly.
+  call feedkeys(":e test\<C-D>\r", "tx")
+  call assert_equal('test', expand('%:t'))
+
+  " If a command doesn't support completion, then CTRL-D should be literally
+  " used.
+  call feedkeys(":chistory \<C-D>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"chistory \<C-D>", @:)
+
+  " Test for displaying the tail of the completion matches
+  set wildmode=longest,full
+  call mkdir('Xtest', 'R')
+  call writefile([], 'Xtest/a.c')
+  call writefile([], 'Xtest/a.h')
+  let g:Sline = ''
+  call feedkeys(":e Xtest/\<C-D>\<F4>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('a.c  a.h', g:Sline)
+  call assert_equal('"e Xtest/', @:)
+  if has('win32')
+    " Test for 'completeslash'
+    set completeslash=backslash
+    call feedkeys(":e Xtest\<Tab>\<C-B>\"\<CR>", 'xt')
+    call assert_equal('"e Xtest\', @:)
+    call feedkeys(":e Xtest/\<Tab>\<C-B>\"\<CR>", 'xt')
+    call assert_equal('"e Xtest\a.', @:)
+    set completeslash=slash
+    call feedkeys(":e Xtest\<Tab>\<C-B>\"\<CR>", 'xt')
+    call assert_equal('"e Xtest/', @:)
+    call feedkeys(":e Xtest\\\<Tab>\<C-B>\"\<CR>", 'xt')
+    call assert_equal('"e Xtest/a.', @:)
+    set completeslash&
+  endif
+
+  " Test for displaying the tail with wildcards
+  let g:Sline = ''
+  call feedkeys(":e Xtes?/\<C-D>\<F4>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('Xtest/a.c  Xtest/a.h', g:Sline)
+  call assert_equal('"e Xtes?/', @:)
+  let g:Sline = ''
+  call feedkeys(":e Xtes*/\<C-D>\<F4>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('Xtest/a.c  Xtest/a.h', g:Sline)
+  call assert_equal('"e Xtes*/', @:)
+  let g:Sline = ''
+  call feedkeys(":e Xtes[/\<C-D>\<F4>\<C-B>\"\<CR>", 'xt')
+  call assert_equal(':e Xtes[/', g:Sline)
+  call assert_equal('"e Xtes[/', @:)
+
+  set wildmode&
+endfunc
+
+func Test_complete_wildmenu()
+  call mkdir('Xwilddir1/Xdir2', 'pR')
+  call writefile(['testfile1'], 'Xwilddir1/Xtestfile1')
+  call writefile(['testfile2'], 'Xwilddir1/Xtestfile2')
+  call writefile(['testfile3'], 'Xwilddir1/Xdir2/Xtestfile3')
+  call writefile(['testfile3'], 'Xwilddir1/Xdir2/Xtestfile4')
+  set wildmenu
+
+  " Pressing <Tab> completes, and moves to next files when pressing again.
+  call feedkeys(":e Xwilddir1/\<Tab>\<Tab>\<CR>", 'tx')
+  call assert_equal('testfile1', getline(1))
+  call feedkeys(":e Xwilddir1/\<Tab>\<Tab>\<Tab>\<CR>", 'tx')
+  call assert_equal('testfile2', getline(1))
+
+  " <S-Tab> is like <Tab> but begin with the last match and then go to
+  " previous.
+  call feedkeys(":e Xwilddir1/Xtest\<S-Tab>\<CR>", 'tx')
+  call assert_equal('testfile2', getline(1))
+  call feedkeys(":e Xwilddir1/Xtest\<S-Tab>\<S-Tab>\<CR>", 'tx')
+  call assert_equal('testfile1', getline(1))
+
+  " <Left>/<Right> to move to previous/next file.
+  call feedkeys(":e Xwilddir1/\<Tab>\<Right>\<CR>", 'tx')
+  call assert_equal('testfile1', getline(1))
+  call feedkeys(":e Xwilddir1/\<Tab>\<Right>\<Right>\<CR>", 'tx')
+  call assert_equal('testfile2', getline(1))
+  call feedkeys(":e Xwilddir1/\<Tab>\<Right>\<Right>\<Left>\<CR>", 'tx')
+  call assert_equal('testfile1', getline(1))
+
+  " <Up>/<Down> to go up/down directories.
+  call feedkeys(":e Xwilddir1/\<Tab>\<Down>\<CR>", 'tx')
+  call assert_equal('testfile3', getline(1))
+  call feedkeys(":e Xwilddir1/\<Tab>\<Down>\<Up>\<Right>\<CR>", 'tx')
+  call assert_equal('testfile1', getline(1))
+
+  " this fails in some Unix GUIs, not sure why
+  if !has('unix') || !has('gui_running')
+    " <C-J>/<C-K> mappings to go up/down directories when 'wildcharm' is
+    " different than 'wildchar'.
+    set wildcharm=<C-Z>
+    cnoremap <C-J> <Down><C-Z>
+    cnoremap <C-K> <Up><C-Z>
+    call feedkeys(":e Xwilddir1/\<Tab>\<C-J>\<CR>", 'tx')
+    call assert_equal('testfile3', getline(1))
+    call feedkeys(":e Xwilddir1/\<Tab>\<C-J>\<C-K>\<CR>", 'tx')
+    call assert_equal('testfile1', getline(1))
+    set wildcharm=0
+    cunmap <C-J>
+    cunmap <C-K>
+  endif
+
+  " Test for canceling the wild menu by adding a character
+  redrawstatus
+  call feedkeys(":e Xwilddir1/\<Tab>x\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"e Xwilddir1/Xdir2/x', @:)
+
+  " Completion using a relative path
+  cd Xwilddir1/Xdir2
+  call feedkeys(":e ../\<Tab>\<Right>\<Down>\<C-A>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"e Xtestfile3 Xtestfile4', @:)
+  cd -
+
+  " test for wildmenumode()
+  cnoremap <expr> <F2> wildmenumode()
+  call feedkeys(":cd Xwilddir\<Tab>\<F2>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"cd Xwilddir1/0', @:)
+  call feedkeys(":e Xwilddir1/\<Tab>\<F2>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"e Xwilddir1/Xdir2/1', @:)
+  cunmap <F2>
+
+  " Test for canceling the wild menu by pressing <PageDown> or <PageUp>.
+  " After this pressing <Left> or <Right> should not change the selection.
+  call feedkeys(":sign \<Tab>\<PageDown>\<Left>\<Right>\<C-A>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"sign define', @:)
+  call histadd('cmd', 'TestWildMenu')
+  call feedkeys(":sign \<Tab>\<PageUp>\<Left>\<Right>\<C-A>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"TestWildMenu', @:)
+
+  " cleanup
+  %bwipe
+  set nowildmenu
+endfunc
+
+func Test_wildmenu_screendump()
+  CheckScreendump
+
+  let lines =<< trim [SCRIPT]
+    set wildmenu hlsearch
+  [SCRIPT]
+  call writefile(lines, 'XTest_wildmenu', 'D')
+
+  let buf = RunVimInTerminal('-S XTest_wildmenu', {'rows': 8})
+  call term_sendkeys(buf, ":vim\<Tab>")
+  call VerifyScreenDump(buf, 'Test_wildmenu_1', {})
+
+  call term_sendkeys(buf, "\<Tab>")
+  call VerifyScreenDump(buf, 'Test_wildmenu_2', {})
+
+  call term_sendkeys(buf, "\<Tab>")
+  call VerifyScreenDump(buf, 'Test_wildmenu_3', {})
+
+  call term_sendkeys(buf, "\<Tab>\<Tab>")
+  call VerifyScreenDump(buf, 'Test_wildmenu_4', {})
+  call term_sendkeys(buf, "\<Esc>")
+
+  " clean up
+  call StopVimInTerminal(buf)
+endfunc
+
+func Test_redraw_in_autocmd()
+  CheckScreendump
+
+  let lines =<< trim END
+      set cmdheight=2
+      autocmd CmdlineChanged * redraw
+  END
+  call writefile(lines, 'XTest_redraw', 'D')
+
+  let buf = RunVimInTerminal('-S XTest_redraw', {'rows': 8})
+  call term_sendkeys(buf, ":for i in range(3)\<CR>")
+  call VerifyScreenDump(buf, 'Test_redraw_in_autocmd_1', {})
+
+  call term_sendkeys(buf, "let i =")
+  call VerifyScreenDump(buf, 'Test_redraw_in_autocmd_2', {})
+
+  " clean up
+  call term_sendkeys(buf, "\<CR>")
+  call StopVimInTerminal(buf)
+endfunc
+
+func Test_redrawstatus_in_autocmd()
+  CheckScreendump
+
+  let lines =<< trim END
+      set laststatus=2
+      set statusline=%=:%{getcmdline()}
+      autocmd CmdlineChanged * redrawstatus
+  END
+  call writefile(lines, 'XTest_redrawstatus', 'D')
+
+  let buf = RunVimInTerminal('-S XTest_redrawstatus', {'rows': 8})
+  " :redrawstatus is postponed if messages have scrolled
+  call term_sendkeys(buf, ":echo \"one\\ntwo\\nthree\\nfour\"\<CR>")
+  call term_sendkeys(buf, ":foobar")
+  call VerifyScreenDump(buf, 'Test_redrawstatus_in_autocmd_1', {})
+  " it is not postponed if messages have not scrolled
+  call term_sendkeys(buf, "\<Esc>:for in in range(3)")
+  call VerifyScreenDump(buf, 'Test_redrawstatus_in_autocmd_2', {})
+  " with cmdheight=1 messages have scrolled when typing :endfor
+  call term_sendkeys(buf, "\<CR>:endfor")
+  call VerifyScreenDump(buf, 'Test_redrawstatus_in_autocmd_3', {})
+  call term_sendkeys(buf, "\<CR>:set cmdheight=2\<CR>")
+  " with cmdheight=2 messages haven't scrolled when typing :for or :endfor
+  call term_sendkeys(buf, ":for in in range(3)")
+  call VerifyScreenDump(buf, 'Test_redrawstatus_in_autocmd_4', {})
+  call term_sendkeys(buf, "\<CR>:endfor")
+  call VerifyScreenDump(buf, 'Test_redrawstatus_in_autocmd_5', {})
+
+  " clean up
+  call term_sendkeys(buf, "\<CR>")
+  call StopVimInTerminal(buf)
+endfunc
+
+func Test_changing_cmdheight()
+  CheckScreendump
+
+  let lines =<< trim END
+      set cmdheight=1 laststatus=2
+      func EchoTwo()
+        set laststatus=2
+        set cmdheight=5
+        echo 'foo'
+        echo 'bar'
+        set cmdheight=1
+      endfunc
+  END
+  call writefile(lines, 'XTest_cmdheight', 'D')
+
+  let buf = RunVimInTerminal('-S XTest_cmdheight', {'rows': 8})
+  call term_sendkeys(buf, ":resize -3\<CR>")
+  call VerifyScreenDump(buf, 'Test_changing_cmdheight_1', {})
+
+  " using the space available doesn't change the status line
+  call term_sendkeys(buf, ":set cmdheight+=3\<CR>")
+  call VerifyScreenDump(buf, 'Test_changing_cmdheight_2', {})
+
+  " using more space moves the status line up
+  call term_sendkeys(buf, ":set cmdheight+=1\<CR>")
+  call VerifyScreenDump(buf, 'Test_changing_cmdheight_3', {})
+
+  " reducing cmdheight moves status line down
+  call term_sendkeys(buf, ":set cmdheight-=2\<CR>")
+  call VerifyScreenDump(buf, 'Test_changing_cmdheight_4', {})
+
+  " reducing window size and then setting cmdheight
+  call term_sendkeys(buf, ":resize -1\<CR>")
+  call term_sendkeys(buf, ":set cmdheight=1\<CR>")
+  call VerifyScreenDump(buf, 'Test_changing_cmdheight_5', {})
+
+  " setting 'cmdheight' works after outputting two messages
+  call term_sendkeys(buf, ":call EchoTwo()\<CR>")
+  call VerifyScreenDump(buf, 'Test_changing_cmdheight_6', {})
+
+  " clean up
+  call StopVimInTerminal(buf)
+endfunc
+
+func Test_cmdheight_tabline()
+  CheckScreendump
+
+  let buf = RunVimInTerminal('-c "set ls=2" -c "set stal=2" -c "set cmdheight=1"', {'rows': 6})
+  call VerifyScreenDump(buf, 'Test_cmdheight_tabline_1', {})
+
+  " clean up
+  call StopVimInTerminal(buf)
+endfunc
+
+func Test_map_completion()
+  call feedkeys(":map <unique> <si\<Tab>\<Home>\"\<CR>", 'xt')
+  call assert_equal('"map <unique> <silent>', getreg(':'))
+  call feedkeys(":map <script> <un\<Tab>\<Home>\"\<CR>", 'xt')
+  call assert_equal('"map <script> <unique>', getreg(':'))
+  call feedkeys(":map <expr> <sc\<Tab>\<Home>\"\<CR>", 'xt')
+  call assert_equal('"map <expr> <script>', getreg(':'))
+  call feedkeys(":map <buffer> <e\<Tab>\<Home>\"\<CR>", 'xt')
+  call assert_equal('"map <buffer> <expr>', getreg(':'))
+  call feedkeys(":map <nowait> <b\<Tab>\<Home>\"\<CR>", 'xt')
+  call assert_equal('"map <nowait> <buffer>', getreg(':'))
+  call feedkeys(":map <special> <no\<Tab>\<Home>\"\<CR>", 'xt')
+  call assert_equal('"map <special> <nowait>', getreg(':'))
+  call feedkeys(":map <silent> <sp\<Tab>\<Home>\"\<CR>", 'xt')
+  call assert_equal('"map <silent> <special>', getreg(':'))
+
+  map <Middle>x middle
+
+  map ,f commaf
+  map ,g commaf
+  map <Left> left
+  map <A-Left>x shiftleft
+  call feedkeys(":map ,\<Tab>\<Home>\"\<CR>", 'xt')
+  call assert_equal('"map ,f', getreg(':'))
+  call feedkeys(":map ,\<Tab>\<Tab>\<Home>\"\<CR>", 'xt')
+  call assert_equal('"map ,g', getreg(':'))
+  call feedkeys(":map <L\<Tab>\<Home>\"\<CR>", 'xt')
+  call assert_equal('"map <Left>', getreg(':'))
+  call feedkeys(":map <A-Left>\<Tab>\<Home>\"\<CR>", 'xt')
+  call assert_equal("\"map <A-Left>\<Tab>", getreg(':'))
+  call feedkeys(":map <M-Left>\<Tab>\<Home>\"\<CR>", 'xt')
+  call assert_equal("\"map <M-Left>x", getreg(':'))
+  unmap ,f
+  unmap ,g
+  unmap <Left>
+  unmap <A-Left>x
+
+  set cpo-=< cpo-=k
+  map <Left> left
+  call feedkeys(":map <L\<Tab>\<Home>\"\<CR>", 'xt')
+  call assert_equal('"map <Left>', getreg(':'))
+  call feedkeys(":map <M\<Tab>\<Home>\"\<CR>", 'xt')
+  call assert_equal("\"map <M\<Tab>", getreg(':'))
+  call feedkeys(":map \<C-V>\<C-V><M\<Tab>\<Home>\"\<CR>", 'xt')
+  call assert_equal("\"map \<C-V><Middle>x", getreg(':'))
+  unmap <Left>
+
+  set cpo+=<
+  map <Left> left
+  exe "set t_k6=\<Esc>[17~"
+  call feedkeys(":map \<Esc>[17~x f6x\<CR>", 'xt')
+  call feedkeys(":map <L\<Tab>\<Home>\"\<CR>", 'xt')
+  call assert_equal('"map <Left>', getreg(':'))
+  if !has('gui_running')
+    call feedkeys(":map \<Esc>[17~\<Tab>\<Home>\"\<CR>", 'xt')
+    call assert_equal("\"map <F6>x", getreg(':'))
+  endif
+  unmap <Left>
+  call feedkeys(":unmap \<Esc>[17~x\<CR>", 'xt')
+  set cpo-=<
+
+  set cpo+=B
+  map <Left> left
+  call feedkeys(":map <L\<Tab>\<Home>\"\<CR>", 'xt')
+  call assert_equal('"map <Left>', getreg(':'))
+  unmap <Left>
+  set cpo-=B
+
+  set cpo+=k
+  map <Left> left
+  call feedkeys(":map <L\<Tab>\<Home>\"\<CR>", 'xt')
+  call assert_equal('"map <Left>', getreg(':'))
+  unmap <Left>
+  set cpo-=k
+
+  call assert_fails('call feedkeys(":map \\\\%(\<Tab>\<Home>\"\<CR>", "xt")', 'E53:')
+
+  unmap <Middle>x
+  set cpo&vim
+endfunc
+
+func Test_match_completion()
+  hi Aardig ctermfg=green
+  call feedkeys(":match \<Tab>\<Home>\"\<CR>", 'xt')
+  call assert_equal('"match Aardig', @:)
+  call feedkeys(":match \<S-Tab>\<Home>\"\<CR>", 'xt')
+  call assert_equal('"match none', @:)
+  call feedkeys(":match | chist\<Tab>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"match | chistory', @:)
+endfunc
+
+func Test_highlight_completion()
+  hi Aardig ctermfg=green
+  call feedkeys(":hi \<Tab>\<Home>\"\<CR>", 'xt')
+  call assert_equal('"hi Aardig', getreg(':'))
+  call feedkeys(":hi default \<Tab>\<Home>\"\<CR>", 'xt')
+  call assert_equal('"hi default Aardig', getreg(':'))
+  call feedkeys(":hi clear Aa\<Tab>\<Home>\"\<CR>", 'xt')
+  call assert_equal('"hi clear Aardig', getreg(':'))
+  call feedkeys(":hi li\<S-Tab>\<Home>\"\<CR>", 'xt')
+  call assert_equal('"hi link', getreg(':'))
+  call feedkeys(":hi d\<S-Tab>\<Home>\"\<CR>", 'xt')
+  call assert_equal('"hi default', getreg(':'))
+  call feedkeys(":hi c\<S-Tab>\<Home>\"\<CR>", 'xt')
+  call assert_equal('"hi clear', getreg(':'))
+  call feedkeys(":hi clear Aardig Aard\<Tab>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"hi clear Aardig Aardig', getreg(':'))
+  call feedkeys(":hi Aardig \<Tab>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"hi Aardig \t", getreg(':'))
+
+  " A cleared group does not show up in completions.
+  hi Anders ctermfg=green
+  call assert_equal(['Aardig', 'Anders'], getcompletion('A', 'highlight'))
+  hi clear Aardig
+  call assert_equal(['Anders'], getcompletion('A', 'highlight'))
+  hi clear Anders
+  call assert_equal([], getcompletion('A', 'highlight'))
+endfunc
+
+" Test for command-line expansion of "hi Ni " (easter egg)
+func Test_highlight_easter_egg()
+  call test_override('ui_delay', 1)
+  call feedkeys(":hi Ni \<Tab>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"hi Ni \<Tab>", @:)
+  call test_override('ALL', 0)
+endfunc
+
+func Test_getcompletion()
+  let groupcount = len(getcompletion('', 'event'))
+  call assert_true(groupcount > 0)
+  let matchcount = len('File'->getcompletion('event'))
+  call assert_true(matchcount > 0)
+  call assert_true(groupcount > matchcount)
+
+  if has('menu')
+    source $VIMRUNTIME/menu.vim
+    let matchcount = len(getcompletion('', 'menu'))
+    call assert_true(matchcount > 0)
+    call assert_equal(['File.'], getcompletion('File', 'menu'))
+    call assert_true(matchcount > 0)
+    let matchcount = len(getcompletion('File.', 'menu'))
+    call assert_true(matchcount > 0)
+    source $VIMRUNTIME/delmenu.vim
+  endif
+
+  let l = getcompletion('v:n', 'var')
+  call assert_true(index(l, 'v:null') >= 0)
+  let l = getcompletion('v:notexists', 'var')
+  call assert_equal([], l)
+
+  args a.c b.c
+  let l = getcompletion('', 'arglist')
+  call assert_equal(['a.c', 'b.c'], l)
+  let l = getcompletion('a.', 'buffer')
+  call assert_equal(['a.c'], l)
+  %argdelete
+
+  let l = getcompletion('', 'augroup')
+  call assert_true(index(l, 'END') >= 0)
+  let l = getcompletion('blahblah', 'augroup')
+  call assert_equal([], l)
+
+  let l = getcompletion('', 'behave')
+  call assert_true(index(l, 'mswin') >= 0)
+  let l = getcompletion('not', 'behave')
+  call assert_equal([], l)
+
+  let l = getcompletion('', 'color')
+  call assert_true(index(l, 'default') >= 0)
+  let l = getcompletion('dirty', 'color')
+  call assert_equal([], l)
+
+  let l = getcompletion('', 'command')
+  call assert_true(index(l, 'sleep') >= 0)
+  let l = getcompletion('awake', 'command')
+  call assert_equal([], l)
+
+  let l = getcompletion('', 'dir')
+  call assert_true(index(l, 'samples/') >= 0)
+  let l = getcompletion('NoMatch', 'dir')
+  call assert_equal([], l)
+
+  if glob('~/*') !=# ''
+    let l = getcompletion('~/', 'dir')
+    call assert_true(l[0][0] ==# '~')
+  endif
+
+  let l = getcompletion('exe', 'expression')
+  call assert_true(index(l, 'executable(') >= 0)
+  let l = getcompletion('kill', 'expression')
+  call assert_equal([], l)
+
+  let l = getcompletion('tag', 'function')
+  call assert_true(index(l, 'taglist(') >= 0)
+  let l = getcompletion('paint', 'function')
+  call assert_equal([], l)
+
+  if !has('ruby')
+    " global_functions[] has an entry but it doesn't have an implementation
+    let l = getcompletion('ruby', 'function')
+    call assert_equal([], l)
+  endif
+
+  let Flambda = {-> 'hello'}
+  let l = getcompletion('', 'function')
+  let l = filter(l, {i, v -> v =~ 'lambda'})
+  call assert_equal([], l)
+
+  let l = getcompletion('run', 'file')
+  call assert_true(index(l, 'runtest.vim') >= 0)
+  let l = getcompletion('walk', 'file')
+  call assert_equal([], l)
+  set wildignore=*.vim
+  let l = getcompletion('run', 'file', 1)
+  call assert_true(index(l, 'runtest.vim') < 0)
+  set wildignore&
+  " Directory name with space character
+  call mkdir('Xdir with space', 'D')
+  call assert_equal(['Xdir with space/'], getcompletion('Xdir\ w', 'shellcmd'))
+  call assert_equal(['./Xdir with space/'], getcompletion('./Xdir', 'shellcmd'))
+
+  let l = getcompletion('ha', 'filetype')
+  call assert_true(index(l, 'hamster') >= 0)
+  let l = getcompletion('horse', 'filetype')
+  call assert_equal([], l)
+
+  let l = getcompletion('z', 'syntax')
+  call assert_true(index(l, 'zimbu') >= 0)
+  let l = getcompletion('emacs', 'syntax')
+  call assert_equal([], l)
+
+  let l = getcompletion('jikes', 'compiler')
+  call assert_true(index(l, 'jikes') >= 0)
+  let l = getcompletion('break', 'compiler')
+  call assert_equal([], l)
+
+  let l = getcompletion('last', 'help')
+  call assert_true(index(l, ':tablast') >= 0)
+  let l = getcompletion('giveup', 'help')
+  call assert_equal([], l)
+
+  let l = getcompletion('time', 'option')
+  call assert_true(index(l, 'timeoutlen') >= 0)
+  let l = getcompletion('space', 'option')
+  call assert_equal([], l)
+
+  let l = getcompletion('er', 'highlight')
+  call assert_true(index(l, 'ErrorMsg') >= 0)
+  let l = getcompletion('dark', 'highlight')
+  call assert_equal([], l)
+
+  let l = getcompletion('', 'messages')
+  call assert_true(index(l, 'clear') >= 0)
+  let l = getcompletion('not', 'messages')
+  call assert_equal([], l)
+
+  let l = getcompletion('', 'mapclear')
+  call assert_true(index(l, '<buffer>') >= 0)
+  let l = getcompletion('not', 'mapclear')
+  call assert_equal([], l)
+
+  let l = getcompletion('.', 'shellcmd')
+  call assert_equal(['./', '../'], filter(l, 'v:val =~ "\\./"'))
+  call assert_equal(-1, match(l[2:], '^\.\.\?/$'))
+  let root = has('win32') ? 'C:\\' : '/'
+  let l = getcompletion(root, 'shellcmd')
+  let expected = map(filter(glob(root . '*', 0, 1),
+        \ 'isdirectory(v:val) || executable(v:val)'), 'isdirectory(v:val) ? v:val . ''/'' : v:val')
+  call assert_equal(expected, l)
+
+  if has('cscope')
+    let l = getcompletion('', 'cscope')
+    let cmds = ['add', 'find', 'help', 'kill', 'reset', 'show']
+    call assert_equal(cmds, l)
+    " using cmdline completion must not change the result
+    call feedkeys(":cscope find \<c-d>\<c-c>", 'xt')
+    let l = getcompletion('', 'cscope')
+    call assert_equal(cmds, l)
+    let keys = ['a', 'c', 'd', 'e', 'f', 'g', 'i', 's', 't']
+    let l = getcompletion('find ', 'cscope')
+    call assert_equal(keys, l)
+  endif
+
+  if has('signs')
+    sign define Testing linehl=Comment
+    let l = getcompletion('', 'sign')
+    let cmds = ['define', 'jump', 'list', 'place', 'undefine', 'unplace']
+    call assert_equal(cmds, l)
+    " using cmdline completion must not change the result
+    call feedkeys(":sign list \<c-d>\<c-c>", 'xt')
+    let l = getcompletion('', 'sign')
+    call assert_equal(cmds, l)
+    let l = getcompletion('list ', 'sign')
+    call assert_equal(['Testing'], l)
+    let l = getcompletion('de*', 'sign')
+    call assert_equal(['define'], l)
+    let l = getcompletion('p?', 'sign')
+    call assert_equal(['place'], l)
+    let l = getcompletion('j.', 'sign')
+    call assert_equal(['jump'], l)
+  endif
+
+  " Command line completion tests
+  let l = getcompletion('cd ', 'cmdline')
+  call assert_true(index(l, 'samples/') >= 0)
+  let l = getcompletion('cd NoMatch', 'cmdline')
+  call assert_equal([], l)
+  let l = getcompletion('let v:n', 'cmdline')
+  call assert_true(index(l, 'v:null') >= 0)
+  let l = getcompletion('let v:notexists', 'cmdline')
+  call assert_equal([], l)
+  let l = getcompletion('call tag', 'cmdline')
+  call assert_true(index(l, 'taglist(') >= 0)
+  let l = getcompletion('call paint', 'cmdline')
+  call assert_equal([], l)
+
+  func T(a, c, p)
+    let g:cmdline_compl_params = [a:a, a:c, a:p]
+    return "oneA\noneB\noneC"
+  endfunc
+  command -nargs=1 -complete=custom,T MyCmd
+  let l = getcompletion('MyCmd ', 'cmdline')
+  call assert_equal(['oneA', 'oneB', 'oneC'], l)
+  call assert_equal(['', 'MyCmd ', 6], g:cmdline_compl_params)
+
+  delcommand MyCmd
+  delfunc T
+  unlet g:cmdline_compl_params
+
+  " For others test if the name is recognized.
+  let names = ['buffer', 'environment', 'file_in_path', 'mapping', 'tag', 'tag_listfiles', 'user']
+  if has('cmdline_hist')
+    call add(names, 'history')
+  endif
+  if has('gettext')
+    call add(names, 'locale')
+  endif
+  if has('profile')
+    call add(names, 'syntime')
+  endif
+
+  set tags=Xtags
+  call writefile(["!_TAG_FILE_ENCODING\tutf-8\t//", "word\tfile\tcmd"], 'Xtags', 'D')
+
+  for name in names
+    let matchcount = len(getcompletion('', name))
+    call assert_true(matchcount >= 0, 'No matches for ' . name)
+  endfor
+
+  set tags&
+
+  edit a~b
+  enew
+  call assert_equal(['a~b'], getcompletion('a~', 'buffer'))
+  bw a~b
+
+  if has('unix')
+    edit Xtest\
+    enew
+    call assert_equal(['Xtest\'], getcompletion('Xtest\', 'buffer'))
+    bw Xtest\
+  endif
+
+  call assert_fails("call getcompletion('\\\\@!\\\\@=', 'buffer')", 'E871:')
+  call assert_fails('call getcompletion("", "burp")', 'E475:')
+  call assert_fails('call getcompletion("abc", [])', 'E1174:')
+endfunc
+
+func Test_multibyte_expression()
+  " Get a dialog in the GUI
+  CheckNotGui
+
+  " This was using uninitialized memory.
+  let lines =<< trim END
+      set verbose=6
+      norm @=ٷ
+      qall!
+  END
+  call writefile(lines, 'XmultiScript', 'D')
+  call RunVim('', '', '-u NONE -n -e -s -S XmultiScript')
+endfunc
+
+" Test for getcompletion() with "fuzzy" in 'wildoptions'
+func Test_getcompletion_wildoptions()
+  let save_wildoptions = &wildoptions
+  set wildoptions&
+  let l = getcompletion('space', 'option')
+  call assert_equal([], l)
+  let l = getcompletion('ier', 'command')
+  call assert_equal([], l)
+  set wildoptions=fuzzy
+  let l = getcompletion('space', 'option')
+  call assert_true(index(l, 'backspace') >= 0)
+  let l = getcompletion('ier', 'command')
+  call assert_true(index(l, 'compiler') >= 0)
+  let &wildoptions = save_wildoptions
+endfunc
+
+func Test_complete_autoload_error()
+  let save_rtp = &rtp
+  let lines =<< trim END
+      vim9script
+      export def Complete(..._): string
+        return 'match'
+      enddef
+      echo this will cause an error
+  END
+  call mkdir('Xdir/autoload', 'pR')
+  call writefile(lines, 'Xdir/autoload/script.vim')
+  exe 'set rtp+=' .. getcwd() .. '/Xdir'
+
+  let lines =<< trim END
+      vim9script
+      import autoload 'script.vim'
+      command -nargs=* -complete=custom,script.Complete Cmd eval 0 + 0
+      &wildcharm = char2nr("\<Tab>")
+      feedkeys(":Cmd \<Tab>", 'xt')
+  END
+  call v9.CheckScriptFailure(lines, 'E121: Undefined variable: this')
+
+  let &rtp = save_rtp
+endfunc
+
+func Test_fullcommand()
+  let tests = {
+        \ '':           '',
+        \ ':':          '',
+        \ ':::':        '',
+        \ ':::5':       '',
+        \ 'not_a_cmd':  '',
+        \ 'Check':      '',
+        \ 'syntax':     'syntax',
+        \ ':syntax':    'syntax',
+        \ '::::syntax': 'syntax',
+        \ 'sy':         'syntax',
+        \ 'syn':        'syntax',
+        \ 'synt':       'syntax',
+        \ ':sy':        'syntax',
+        \ '::::sy':     'syntax',
+        \ 'match':      'match',
+        \ '2match':     'match',
+        \ '3match':     'match',
+        \ 'aboveleft':  'aboveleft',
+        \ 'abo':        'aboveleft',
+        \ 'en':         'endif',
+        \ 'end':        'endif',
+        \ 'endi':        'endif',
+        \ 's':          'substitute',
+        \ '5s':         'substitute',
+        \ ':5s':        'substitute',
+        \ "'<,'>s":     'substitute',
+        \ ":'<,'>s":    'substitute',
+        \ 'CheckLin':   'CheckLinux',
+        \ 'CheckLinux': 'CheckLinux',
+  \ }
+
+  for [in, want] in items(tests)
+    call assert_equal(want, fullcommand(in))
+  endfor
+  call assert_equal('', fullcommand(test_null_string()))
+
+  call assert_equal('syntax', 'syn'->fullcommand())
+
+  command -buffer BufferLocalCommand :
+  command GlobalCommand :
+  call assert_equal('GlobalCommand', fullcommand('GlobalCom'))
+  call assert_equal('BufferLocalCommand', fullcommand('BufferL'))
+  delcommand BufferLocalCommand
+  delcommand GlobalCommand
+endfunc
+
+func Test_shellcmd_completion()
+  let save_path = $PATH
+
+  call mkdir('Xpathdir/Xpathsubdir', 'pR')
+  call writefile([''], 'Xpathdir/Xfile.exe')
+  call setfperm('Xpathdir/Xfile.exe', 'rwx------')
+
+  " Set PATH to example directory without trailing slash.
+  let $PATH = getcwd() . '/Xpathdir'
+
+  " Test for the ":!<TAB>" case.  Previously, this would include subdirs of
+  " dirs in the PATH, even though they won't be executed.  We check that only
+  " subdirs of the PWD and executables from the PATH are included in the
+  " suggestions.
+  let actual = getcompletion('X', 'shellcmd')
+  let expected = map(filter(glob('*', 0, 1), 'isdirectory(v:val) && v:val[0] == "X"'), 'v:val . "/"')
+  call insert(expected, 'Xfile.exe')
+  call assert_equal(expected, actual)
+
+  let $PATH = save_path
+endfunc
+
+func Test_expand_star_star()
+  call mkdir('a/b/c', 'pR')
+  call writefile(['asdfasdf'], 'a/b/c/fileXname')
+  call feedkeys(":find a/**/fileXname\<Tab>\<CR>", 'xt')
+  call assert_equal('find a/b/c/fileXname', @:)
+  bwipe!
+endfunc
+
+func Test_cmdline_paste()
+  let @a = "def"
+  call feedkeys(":abc \<C-R>a ghi\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"abc def ghi', @:)
+
+  new
+  call setline(1, 'asdf.x /tmp/some verylongword a;b-c*d ')
+
+  call feedkeys(":aaa \<C-R>\<C-W> bbb\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"aaa asdf bbb', @:)
+
+  call feedkeys("ft:aaa \<C-R>\<C-F> bbb\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"aaa /tmp/some bbb', @:)
+
+  call feedkeys(":aaa \<C-R>\<C-L> bbb\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"aaa '.getline(1).' bbb', @:)
+
+  set incsearch
+  call feedkeys("fy:aaa veryl\<C-R>\<C-W> bbb\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"aaa verylongword bbb', @:)
+
+  call feedkeys("f;:aaa \<C-R>\<C-A> bbb\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"aaa a;b-c*d bbb', @:)
+
+  call feedkeys(":\<C-\>etoupper(getline(1))\<CR>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"ASDF.X /TMP/SOME VERYLONGWORD A;B-C*D ', @:)
+  bwipe!
+
+  " Error while typing a command used to cause that it was not executed
+  " in the end.
+  new
+  try
+    call feedkeys(":file \<C-R>%Xtestfile\<CR>", 'tx')
+  catch /^Vim\%((\a\+)\)\=:E32/
+    " ignore error E32
+  endtry
+  call assert_equal("Xtestfile", bufname("%"))
+
+  " Try to paste an invalid register using <C-R>
+  call feedkeys(":\"one\<C-R>\<C-X>two\<CR>", 'xt')
+  call assert_equal('"onetwo', @:)
+
+  " Test for pasting register containing CTRL-H using CTRL-R and CTRL-R CTRL-R
+  let @a = "xy\<C-H>z"
+  call feedkeys(":\"\<C-R>a\<CR>", 'xt')
+  call assert_equal('"xz', @:)
+  call feedkeys(":\"\<C-R>\<C-R>a\<CR>", 'xt')
+  call assert_equal("\"xy\<C-H>z", @:)
+  call feedkeys(":\"\<C-R>\<C-O>a\<CR>", 'xt')
+  call assert_equal("\"xy\<C-H>z", @:)
+
+  " Test for pasting register containing CTRL-V using CTRL-R and CTRL-R CTRL-R
+  let @a = "xy\<C-V>z"
+  call feedkeys(":\"\<C-R>=@a\<CR>\<cr>", 'xt')
+  call assert_equal('"xyz', @:)
+  call feedkeys(":\"\<C-R>\<C-R>=@a\<CR>\<cr>", 'xt')
+  call assert_equal("\"xy\<C-V>z", @:)
+
+  call assert_beeps('call feedkeys(":\<C-R>=\<C-R>=\<Esc>", "xt")')
+
+  bwipe!
+endfunc
+
+func Test_cmdline_remove_char()
+  let encoding_save = &encoding
+
+  for e in ['utf8', 'latin1']
+    exe 'set encoding=' . e
+
+    call feedkeys(":abc def\<S-Left>\<Del>\<C-B>\"\<CR>", 'tx')
+    call assert_equal('"abc ef', @:, e)
+
+    call feedkeys(":abc def\<S-Left>\<BS>\<C-B>\"\<CR>", 'tx')
+    call assert_equal('"abcdef', @:)
+
+    call feedkeys(":abc def ghi\<S-Left>\<C-W>\<C-B>\"\<CR>", 'tx')
+    call assert_equal('"abc ghi', @:, e)
+
+    call feedkeys(":abc def\<S-Left>\<C-U>\<C-B>\"\<CR>", 'tx')
+    call assert_equal('"def', @:, e)
+
+    " This was going before the start in latin1.
+    call feedkeys(": \<C-W>\<CR>", 'tx')
+  endfor
+
+  let &encoding = encoding_save
+endfunc
+
+func Test_cmdline_keymap_ctrl_hat()
+  CheckFeature keymap
+
+  set keymap=esperanto
+  call feedkeys(":\"Jxauxdo \<C-^>Jxauxdo \<C-^>Jxauxdo\<CR>", 'tx')
+  call assert_equal('"Jxauxdo Ĵaŭdo Jxauxdo', @:)
+  set keymap=
+endfunc
+
+func Test_illegal_address1()
+  new
+  2;'(
+  2;')
+  quit
+endfunc
+
+func Test_illegal_address2()
+  call writefile(['c', 'x', '  x', '.', '1;y'], 'Xtest.vim', 'D')
+  new
+  source Xtest.vim
+  " Trigger calling validate_cursor()
+  diffsp Xtest.vim
+  quit!
+  bwipe!
+endfunc
+
+func Test_mark_from_line_zero()
+  " this was reading past the end of the first (empty) line
+  new
+  norm oxxxx
+  call assert_fails("0;'(", 'E20:')
+  bwipe!
+endfunc
+
+func Test_cmdline_complete_wildoptions()
+  help
+  call feedkeys(":tag /\<c-a>\<c-b>\"\<cr>", 'tx')
+  let a = join(sort(split(@:)),' ')
+  set wildoptions=tagfile
+  call feedkeys(":tag /\<c-a>\<c-b>\"\<cr>", 'tx')
+  let b = join(sort(split(@:)),' ')
+  call assert_equal(a, b)
+  bw!
+endfunc
+
+func Test_cmdline_complete_user_cmd()
+  command! -complete=color -nargs=1 Foo :
+  call feedkeys(":Foo \<Tab>\<Home>\"\<cr>", 'tx')
+  call assert_equal('"Foo blue', @:)
+  call feedkeys(":Foo b\<Tab>\<Home>\"\<cr>", 'tx')
+  call assert_equal('"Foo blue', @:)
+  call feedkeys(":Foo a b\<Tab>\<Home>\"\<cr>", 'tx')
+  call assert_equal('"Foo a blue', @:)
+  call feedkeys(":Foo b\\\<Tab>\<Home>\"\<cr>", 'tx')
+  call assert_equal('"Foo b\', @:)
+  call feedkeys(":Foo b\\x\<Tab>\<Home>\"\<cr>", 'tx')
+  call assert_equal('"Foo b\x', @:)
+  delcommand Foo
+
+  redraw
+  call assert_equal('~', Screenline(&lines - 1))
+  command! FooOne :
+  command! FooTwo :
+
+  set nowildmenu
+  call feedkeys(":Foo\<Tab>\<Home>\"\<cr>", 'tx')
+  call assert_equal('"FooOne', @:)
+  call assert_equal('~', Screenline(&lines - 1))
+
+  call feedkeys(":Foo\<S-Tab>\<Home>\"\<cr>", 'tx')
+  call assert_equal('"FooTwo', @:)
+  call assert_equal('~', Screenline(&lines - 1))
+
+  delcommand FooOne
+  delcommand FooTwo
+  set wildmenu&
+endfunc
+
+func Test_complete_user_cmd()
+  command FooBar echo 'global'
+  command -buffer FooBar echo 'local'
+  call feedkeys(":Foo\<C-A>\<Home>\"\<CR>", 'tx')
+  call assert_equal('"FooBar', @:)
+
+  delcommand -buffer FooBar
+  delcommand FooBar
+endfunc
+
+func s:ScriptLocalFunction()
+  echo 'yes'
+endfunc
+
+func Test_cmdline_complete_user_func()
+  call feedkeys(":func Test_cmdline_complete_user\<Tab>\<Home>\"\<cr>", 'tx')
+  call assert_match('"func Test_cmdline_complete_user_', @:)
+  call feedkeys(":func s:ScriptL\<Tab>\<Home>\"\<cr>", 'tx')
+  call assert_match('"func <SNR>\d\+_ScriptLocalFunction', @:)
+
+  " g: prefix also works
+  call feedkeys(":echo g:Test_cmdline_complete_user_f\<Tab>\<Home>\"\<cr>", 'tx')
+  call assert_match('"echo g:Test_cmdline_complete_user_func', @:)
+
+  " using g: prefix does not result in just "g:" matches from a lambda
+  let Fx = { a ->  a }
+  call feedkeys(":echo g:\<Tab>\<Home>\"\<cr>", 'tx')
+  call assert_match('"echo g:[A-Z]', @:)
+
+  " existence of script-local dict function does not break user function name
+  " completion
+  function s:a_dict_func() dict
+  endfunction
+  call feedkeys(":call Test_cmdline_complete_user\<Tab>\<Home>\"\<cr>", 'tx')
+  call assert_match('"call Test_cmdline_complete_user_', @:)
+  delfunction s:a_dict_func
+endfunc
+
+func Test_cmdline_complete_user_names()
+  if has('unix') && executable('whoami')
+    let whoami = systemlist('whoami')[0]
+    let first_letter = whoami[0]
+    if len(first_letter) > 0
+      " Trying completion of  :e ~x  where x is the first letter of
+      " the user name should complete to at least the user name.
+      call feedkeys(':e ~' . first_letter . "\<c-a>\<c-B>\"\<cr>", 'tx')
+      call assert_match('^"e \~.*\<' . whoami . '\>', @:)
+    endif
+  elseif has('win32')
+    " Just in case: check that the system has an Administrator account.
+    let names = system('net user')
+    if names =~ 'Administrator'
+      " Trying completion of  :e ~A  should complete to Administrator.
+      " There could be other names starting with "A" before Administrator.
+      call feedkeys(':e ~A' . "\<c-a>\<c-B>\"\<cr>", 'tx')
+      call assert_match('^"e \~.*Administrator', @:)
+    endif
+  else
+    throw 'Skipped: does not work on this platform'
+  endif
+endfunc
+
+func Test_cmdline_complete_bang()
+  CheckExecutable whoami
+  call feedkeys(":!whoam\<C-A>\<C-B>\"\<CR>", 'tx')
+  call assert_match('^".*\<whoami\>', @:)
+endfunc
+
+func Test_cmdline_complete_languages()
+  let lang = substitute(execute('language time'), '.*"\(.*\)"$', '\1', '')
+  call assert_equal(lang, v:lc_time)
+
+  let lang = substitute(execute('language ctype'), '.*"\(.*\)"$', '\1', '')
+  call assert_equal(lang, v:ctype)
+
+  let lang = substitute(execute('language collate'), '.*"\(.*\)"$', '\1', '')
+  call assert_equal(lang, v:collate)
+
+  let lang = substitute(execute('language messages'), '.*"\(.*\)"$', '\1', '')
+  call assert_equal(lang, v:lang)
+
+  call feedkeys(":language \<c-a>\<c-b>\"\<cr>", 'tx')
+  call assert_match('^"language .*\<collate\>.*\<ctype\>.*\<messages\>.*\<time\>', @:)
+
+  call assert_match('^"language .*\<' . lang . '\>', @:)
+
+  call feedkeys(":language messages \<c-a>\<c-b>\"\<cr>", 'tx')
+  call assert_match('^"language .*\<' . lang . '\>', @:)
+
+  call feedkeys(":language ctype \<c-a>\<c-b>\"\<cr>", 'tx')
+  call assert_match('^"language .*\<' . lang . '\>', @:)
+
+  call feedkeys(":language time \<c-a>\<c-b>\"\<cr>", 'tx')
+  call assert_match('^"language .*\<' . lang . '\>', @:)
+
+  call feedkeys(":language collate \<c-a>\<c-b>\"\<cr>", 'tx')
+  call assert_match('^"language .*\<' . lang . '\>', @:)
+endfunc
+
+func Test_cmdline_complete_env_variable()
+  let $X_VIM_TEST_COMPLETE_ENV = 'foo'
+  call feedkeys(":edit $X_VIM_TEST_COMPLETE_E\<C-A>\<C-B>\"\<CR>", 'tx')
+  call assert_match('"edit $X_VIM_TEST_COMPLETE_ENV', @:)
+  unlet $X_VIM_TEST_COMPLETE_ENV
+endfunc
+
+func Test_cmdline_complete_expression()
+  let g:SomeVar = 'blah'
+  for cmd in ['exe', 'echo', 'echon', 'echomsg']
+    call feedkeys(":" .. cmd .. " SomeV\<Tab>\<C-B>\"\<CR>", 'tx')
+    call assert_match('"' .. cmd .. ' SomeVar', @:)
+    call feedkeys(":" .. cmd .. " foo SomeV\<Tab>\<C-B>\"\<CR>", 'tx')
+    call assert_match('"' .. cmd .. ' foo SomeVar', @:)
+  endfor
+  unlet g:SomeVar
+endfunc
+
+" Unique function name for completion below
+func s:WeirdFunc()
+  echo 'weird'
+endfunc
+
+" Test for various command-line completion
+func Test_cmdline_complete_various()
+  " completion for a command starting with a comment
+  call feedkeys(": :|\"\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\" :|\"\<C-A>", @:)
+
+  " completion for a range followed by a comment
+  call feedkeys(":1,2\"\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"1,2\"\<C-A>", @:)
+
+  " completion for :k command
+  call feedkeys(":ka\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"ka\<C-A>", @:)
+
+  " completion for short version of the :s command
+  call feedkeys(":sI \<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"sI \<C-A>", @:)
+
+  " completion for :write command
+  call mkdir('Xcwdir', 'R')
+  call writefile(['one'], 'Xcwdir/Xfile1')
+  let save_cwd = getcwd()
+  cd Xcwdir
+  call feedkeys(":w >> \<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"w >> Xfile1", @:)
+  call chdir(save_cwd)
+
+  " completion for :w ! and :r ! commands
+  call feedkeys(":w !invalid_xyz_cmd\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"w !invalid_xyz_cmd", @:)
+  call feedkeys(":r !invalid_xyz_cmd\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"r !invalid_xyz_cmd", @:)
+
+  " completion for :>> and :<< commands
+  call feedkeys(":>>>\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\">>>\<C-A>", @:)
+  call feedkeys(":<<<\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"<<<\<C-A>", @:)
+
+  " completion for command with +cmd argument
+  call feedkeys(":buffer +/pat Xabc\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"buffer +/pat Xabc", @:)
+  call feedkeys(":buffer +/pat\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"buffer +/pat\<C-A>", @:)
+
+  " completion for a command with a trailing comment
+  call feedkeys(":ls \" comment\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"ls \" comment\<C-A>", @:)
+
+  " completion for a command with a trailing command
+  call feedkeys(":ls | ls\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"ls | ls", @:)
+
+  " completion for a command with an CTRL-V escaped argument
+  call feedkeys(":ls \<C-V>\<C-V>a\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"ls \<C-V>a\<C-A>", @:)
+
+  " completion for a command that doesn't take additional arguments
+  call feedkeys(":all abc\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"all abc\<C-A>", @:)
+
+  " completion for :wincmd with :horizontal modifier
+  call feedkeys(":horizontal wincm\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"horizontal wincmd", @:)
+
+  " completion for a command with a command modifier
+  call feedkeys(":topleft new\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"topleft new", @:)
+
+  " completion for vim9 and legacy commands
+  call feedkeys(":vim9 call strle\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"vim9 call strlen(", @:)
+  call feedkeys(":legac call strle\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"legac call strlen(", @:)
+
+  " completion for the :disassemble command
+  call feedkeys(":disas deb\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"disas debug", @:)
+  call feedkeys(":disas pro\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"disas profile", @:)
+  call feedkeys(":disas debug Test_cmdline_complete_var\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"disas debug Test_cmdline_complete_various", @:)
+  call feedkeys(":disas profile Test_cmdline_complete_var\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"disas profile Test_cmdline_complete_various", @:)
+  call feedkeys(":disas Test_cmdline_complete_var\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"disas Test_cmdline_complete_various", @:)
+
+  call feedkeys(":disas s:WeirdF\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_match('"disas <SNR>\d\+_WeirdFunc', @:)
+
+  call feedkeys(":disas \<S-Tab>\<C-B>\"\<CR>", 'xt')
+  call assert_match('"disas <SNR>\d\+_', @:)
+  call feedkeys(":disas debug \<S-Tab>\<C-B>\"\<CR>", 'xt')
+  call assert_match('"disas debug <SNR>\d\+_', @:)
+
+  " completion for the :match command
+  call feedkeys(":match Search /pat/\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"match Search /pat/\<C-A>", @:)
+
+  " completion for the :doautocmd command
+  call feedkeys(":doautocmd User MyCmd a.c\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"doautocmd User MyCmd a.c\<C-A>", @:)
+
+  " completion of autocmd group after comma
+  call feedkeys(":doautocmd BufNew,BufEn\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"doautocmd BufNew,BufEnter", @:)
+
+  " completion of file name in :doautocmd
+  call writefile([], 'Xvarfile1', 'D')
+  call writefile([], 'Xvarfile2', 'D')
+  call feedkeys(":doautocmd BufEnter Xvarfi\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"doautocmd BufEnter Xvarfile1 Xvarfile2", @:)
+
+  " completion for the :augroup command
+  augroup XTest.test
+  augroup END
+  call feedkeys(":augroup X\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"augroup XTest.test", @:)
+
+  " group name completion in :autocmd
+  call feedkeys(":au X\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"au XTest.test", @:)
+  call feedkeys(":au XTest.test\<Tab>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"au XTest.test", @:)
+
+  augroup! XTest.test
+
+  " autocmd pattern completion
+  call feedkeys(":au BufEnter *.py\<Tab>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"au BufEnter *.py\t", @:)
+
+  " completion for the :unlet command
+  call feedkeys(":unlet one two\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"unlet one two", @:)
+
+  " completion for the :buffer command with curlies
+  " FIXME: what should happen on MS-Windows?
+  if !has('win32')
+    edit \{someFile}
+    call feedkeys(":buf someFile\<C-A>\<C-B>\"\<CR>", 'xt')
+    call assert_equal("\"buf {someFile}", @:)
+    bwipe {someFile}
+  endif
+
+  " completion for the :bdelete command
+  call feedkeys(":bdel a b c\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"bdel a b c", @:)
+
+  " completion for the :mapclear command
+  call feedkeys(":mapclear \<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"mapclear <buffer>", @:)
+
+  " completion for user defined commands with menu names
+  menu Test.foo :ls<CR>
+  com -nargs=* -complete=menu MyCmd
+  call feedkeys(":MyCmd Te\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"MyCmd Test.', @:)
+  delcom MyCmd
+  unmenu Test
+
+  " completion for user defined commands with mappings
+  mapclear
+  map <F3> :ls<CR>
+  com -nargs=* -complete=mapping MyCmd
+  call feedkeys(":MyCmd <F\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"MyCmd <F3> <F4>', @:)
+  mapclear
+  delcom MyCmd
+
+  " completion for :set path= with multiple backslashes
+  call feedkeys(":set path=a\\\\\\ b\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"set path=a\\\ b', @:)
+
+  " completion for :set dir= with a backslash
+  call feedkeys(":set dir=a\\ b\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"set dir=a\ b', @:)
+
+  " completion for the :py3 commands
+  call feedkeys(":py3\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"py3 py3do py3file', @:)
+
+  " completion for the :vim9 commands
+  call feedkeys(":vim9\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"vim9cmd vim9script', @:)
+
+  " redir @" is not the start of a comment. So complete after that
+  call feedkeys(":redir @\" | cwin\t\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"redir @" | cwindow', @:)
+
+  " completion after a backtick
+  call feedkeys(":e `a1b2c\t\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"e `a1b2c', @:)
+
+  " completion for :language command with an invalid argument
+  call feedkeys(":language dummy \t\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"language dummy \t", @:)
+
+  " completion for commands after a :global command
+  call feedkeys(":g/a\\xb/clearj\t\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"g/a\xb/clearjumps', @:)
+
+  " completion with ambiguous user defined commands
+  com TCmd1 echo 'TCmd1'
+  com TCmd2 echo 'TCmd2'
+  call feedkeys(":TCmd \t\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"TCmd ', @:)
+  delcom TCmd1
+  delcom TCmd2
+
+  " completion after a range followed by a pipe (|) character
+  call feedkeys(":1,10 | chist\t\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"1,10 | chistory', @:)
+
+  " completion after a :global command
+  call feedkeys(":g/a/chist\t\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"g/a/chistory', @:)
+  call feedkeys(":g/a\\/chist\t\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"g/a\\/chist\t", @:)
+
+  " use <Esc> as the 'wildchar' for completion
+  set wildchar=<Esc>
+  call feedkeys(":g/a\\xb/clearj\<Esc>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"g/a\xb/clearjumps', @:)
+  " pressing <esc> twice should cancel the command
+  call feedkeys(":chist\<Esc>\<Esc>", 'xt')
+  call assert_equal('"g/a\xb/clearjumps', @:)
+  set wildchar&
+
+  if has('unix')
+    " should be able to complete a file name that starts with a '~'.
+    call writefile([], '~Xtest')
+    call feedkeys(":e \\~X\<Tab>\<C-B>\"\<CR>", 'xt')
+    call assert_equal('"e \~Xtest', @:)
+    call delete('~Xtest')
+
+    " should be able to complete a file name that has a '*'
+    call writefile([], 'Xx*Yy')
+    call feedkeys(":e Xx\*\<Tab>\<C-B>\"\<CR>", 'xt')
+    call assert_equal('"e Xx\*Yy', @:)
+    call delete('Xx*Yy')
+
+    " use a literal star
+    call feedkeys(":e \\*\<Tab>\<C-B>\"\<CR>", 'xt')
+    call assert_equal('"e \*', @:)
+  endif
+
+  call feedkeys(":py3f\<Tab>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"py3file', @:)
+endfunc
+
+" Test that expanding a pattern doesn't interfere with cmdline completion.
+func Test_expand_during_cmdline_completion()
+  func ExpandStuff()
+    badd <script>:p:h/README.*
+    call assert_equal(expand('<script>:p:h') .. '/README.txt', bufname('$'))
+    $bwipe
+    call assert_equal('README.txt', expand('README.*'))
+    call assert_equal(['README.txt'], getcompletion('README.*', 'file'))
+  endfunc
+  augroup test_CmdlineChanged
+    autocmd!
+    autocmd CmdlineChanged * call ExpandStuff()
+  augroup END
+
+  call feedkeys(":sign \<Tab>\<Tab>\<Tab>\<Tab>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"sign place', @:)
+
+  augroup test_CmdlineChanged
+    au!
+  augroup END
+  augroup! test_CmdlineChanged
+  delfunc ExpandStuff
+endfunc
+
+" Test for 'wildignorecase'
+func Test_cmdline_wildignorecase()
+  CheckUnix
+  call writefile([], 'XTEST', 'D')
+  set wildignorecase
+  call feedkeys(":e xt\<Tab>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"e XTEST', @:)
+  call assert_equal(['XTEST'], getcompletion('xt', 'file'))
+  let g:Sline = ''
+  call feedkeys(":e xt\<C-d>\<F4>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"e xt', @:)
+  call assert_equal('XTEST', g:Sline)
+  set wildignorecase&
+endfunc
+
+func Test_cmdline_write_alternatefile()
+  new
+  call setline('.', ['one', 'two'])
+  f foo.txt
+  new
+  f #-A
+  call assert_equal('foo.txt-A', expand('%'))
+  f #<-B.txt
+  call assert_equal('foo-B.txt', expand('%'))
+  f %<
+  call assert_equal('foo-B', expand('%'))
+  new
+  call assert_fails('f #<', 'E95:')
+  bw!
+  f foo-B.txt
+  f %<-A
+  call assert_equal('foo-B-A', expand('%'))
+  bw!
+  bw!
+endfunc
+
+func Test_cmdline_expand_cur_alt_file()
+  enew
+  file http://some.com/file.txt
+  call feedkeys(":e %\<Tab>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"e http://some.com/file.txt', @:)
+  edit another
+  call feedkeys(":e #\<Tab>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"e http://some.com/file.txt', @:)
+  bwipe
+  bwipe http://some.com/file.txt
+endfunc
+
+" using a leading backslash here
+set cpo+=C
+
+func Test_cmdline_search_range()
+  new
+  call setline(1, ['a', 'b', 'c', 'd'])
+  /d
+  1,\/s/b/B/
+  call assert_equal('B', getline(2))
+
+  /a
+  $
+  \?,4s/c/C/
+  call assert_equal('C', getline(3))
+
+  call setline(1, ['a', 'b', 'c', 'd'])
+  %s/c/c/
+  1,\&s/b/B/
+  call assert_equal('B', getline(2))
+
+  let @/ = 'apple'
+  call assert_fails('\/print', ['E486:.*apple'])
+
+  bwipe!
+endfunc
+
+" Test for the tick mark (') in an excmd range
+func Test_tick_mark_in_range()
+  " If only the tick is passed as a range and no command is specified, there
+  " should not be an error
+  call feedkeys(":'\<CR>", 'xt')
+  call assert_equal("'", @:)
+  call assert_fails("',print", 'E78:')
+endfunc
+
+" Test for using a line number followed by a search pattern as range
+func Test_lnum_and_pattern_as_range()
+  new
+  call setline(1, ['foo 1', 'foo 2', 'foo 3'])
+  let @" = ''
+  2/foo/yank
+  call assert_equal("foo 3\n", @")
+  call assert_equal(1, line('.'))
+  close!
+endfunc
+
+" Tests for getcmdline(), getcmdpos() and getcmdtype()
+func Check_cmdline(cmdtype)
+  call assert_equal('MyCmd a', getcmdline())
+  call assert_equal(8, getcmdpos())
+  call assert_equal(a:cmdtype, getcmdtype())
+  return ''
+endfunc
+
+set cpo&
+
+func Test_getcmdtype()
+  call feedkeys(":MyCmd a\<C-R>=Check_cmdline(':')\<CR>\<Esc>", "xt")
+
+  let cmdtype = ''
+  debuggreedy
+  call feedkeys(":debug echo 'test'\<CR>", "t")
+  call feedkeys("let cmdtype = \<C-R>=string(getcmdtype())\<CR>\<CR>", "t")
+  call feedkeys("cont\<CR>", "xt")
+  0debuggreedy
+  call assert_equal('>', cmdtype)
+
+  call feedkeys("/MyCmd a\<C-R>=Check_cmdline('/')\<CR>\<Esc>", "xt")
+  call feedkeys("?MyCmd a\<C-R>=Check_cmdline('?')\<CR>\<Esc>", "xt")
+
+  call feedkeys(":call input('Answer?')\<CR>", "t")
+  call feedkeys("MyCmd a\<C-R>=Check_cmdline('@')\<CR>\<C-C>", "xt")
+
+  call feedkeys(":insert\<CR>MyCmd a\<C-R>=Check_cmdline('-')\<CR>\<Esc>", "xt")
+
+  cnoremap <expr> <F6> Check_cmdline('=')
+  call feedkeys("a\<C-R>=MyCmd a\<F6>\<Esc>\<Esc>", "xt")
+  cunmap <F6>
+
+  call assert_equal('', getcmdline())
+endfunc
+
+func Test_verbosefile()
+  set verbosefile=Xlog
+  echomsg 'foo'
+  echomsg 'bar'
+  set verbosefile=
+  let log = readfile('Xlog')
+  call assert_match("foo\nbar", join(log, "\n"))
+  call delete('Xlog')
+
+  call mkdir('Xdir', 'D')
+  call assert_fails('set verbosefile=Xdir', ['E484:.*Xdir', 'E474:'])
+endfunc
+
+func Test_verbose_option()
+  CheckScreendump
+
+  let lines =<< trim [SCRIPT]
+    command DoSomething echo 'hello' |set ts=4 |let v = '123' |echo v
+    call feedkeys("\r", 't') " for the hit-enter prompt
+    set verbose=20
+  [SCRIPT]
+  call writefile(lines, 'XTest_verbose', 'D')
+
+  let buf = RunVimInTerminal('-S XTest_verbose', {'rows': 12})
+  call TermWait(buf, 50)
+  call term_sendkeys(buf, ":DoSomething\<CR>")
+  call VerifyScreenDump(buf, 'Test_verbose_option_1', {})
+
+  " clean up
+  call StopVimInTerminal(buf)
+endfunc
+
+func Test_setcmdpos()
+  func InsertTextAtPos(text, pos)
+    call assert_equal(0, setcmdpos(a:pos))
+    return a:text
+  endfunc
+
+  " setcmdpos() with position in the middle of the command line.
+  call feedkeys(":\"12\<C-R>=InsertTextAtPos('a', 3)\<CR>b\<CR>", 'xt')
+  call assert_equal('"1ab2', @:)
+
+  call feedkeys(":\"12\<C-R>\<C-R>=InsertTextAtPos('a', 3)\<CR>b\<CR>", 'xt')
+  call assert_equal('"1b2a', @:)
+
+  " setcmdpos() with position beyond the end of the command line.
+  call feedkeys(":\"12\<C-B>\<C-R>=InsertTextAtPos('a', 10)\<CR>b\<CR>", 'xt')
+  call assert_equal('"12ab', @:)
+
+  " setcmdpos() returns 1 when not editing the command line.
+  call assert_equal(1, 3->setcmdpos())
+endfunc
+
+func Test_cmdline_overstrike()
+  let encodings = ['latin1', 'utf8']
+  let encoding_save = &encoding
+
+  for e in encodings
+    exe 'set encoding=' . e
+
+    " Test overstrike in the middle of the command line.
+    call feedkeys(":\"01234\<home>\<right>\<right>ab\<right>\<insert>cd\<enter>", 'xt')
+    call assert_equal('"0ab1cd4', @:, e)
+
+    " Test overstrike going beyond end of command line.
+    call feedkeys(":\"01234\<home>\<right>\<right>ab\<right>\<insert>cdefgh\<enter>", 'xt')
+    call assert_equal('"0ab1cdefgh', @:, e)
+
+    " Test toggling insert/overstrike a few times.
+    call feedkeys(":\"01234\<home>\<right>ab\<right>\<insert>cd\<right>\<insert>ef\<enter>", 'xt')
+    call assert_equal('"ab0cd3ef4', @:, e)
+  endfor
+
+  " Test overstrike with multi-byte characters.
+  call feedkeys(":\"テキストエディタ\<home>\<right>\<right>ab\<right>\<insert>cd\<enter>", 'xt')
+  call assert_equal('"テabキcdエディタ', @:, e)
+
+  let &encoding = encoding_save
+endfunc
+
+func Test_buffers_lastused()
+  " check that buffers are sorted by time when wildmode has lastused
+  call test_settime(1550020000)	  " middle
+  edit bufa
+  enew
+  call test_settime(1550030000)	  " newest
+  edit bufb
+  enew
+  call test_settime(1550010000)	  " oldest
+  edit bufc
+  enew
+  call test_settime(0)
+  enew
+
+  call assert_equal(['bufa', 'bufb', 'bufc'],
+	\ getcompletion('', 'buffer'))
+
+  let save_wildmode = &wildmode
+  set wildmode=full:lastused
+
+  let cap = "\<c-r>=execute('let X=getcmdline()')\<cr>"
+  call feedkeys(":b \<tab>" .. cap .. "\<esc>", 'xt')
+  call assert_equal('b bufb', X)
+  call feedkeys(":b \<tab>\<tab>" .. cap .. "\<esc>", 'xt')
+  call assert_equal('b bufa', X)
+  call feedkeys(":b \<tab>\<tab>\<tab>" .. cap .. "\<esc>", 'xt')
+  call assert_equal('b bufc', X)
+  enew
+
+  edit other
+  call feedkeys(":b \<tab>" .. cap .. "\<esc>", 'xt')
+  call assert_equal('b bufb', X)
+  call feedkeys(":b \<tab>\<tab>" .. cap .. "\<esc>", 'xt')
+  call assert_equal('b bufa', X)
+  call feedkeys(":b \<tab>\<tab>\<tab>" .. cap .. "\<esc>", 'xt')
+  call assert_equal('b bufc', X)
+  enew
+
+  let &wildmode = save_wildmode
+
+  bwipeout bufa
+  bwipeout bufb
+  bwipeout bufc
+endfunc
+
+func Test_cmdlineclear_tabenter()
+  CheckScreendump
+
+  let lines =<< trim [SCRIPT]
+    call setline(1, range(30))
+  [SCRIPT]
+
+  call writefile(lines, 'XtestCmdlineClearTabenter', 'D')
+  let buf = RunVimInTerminal('-S XtestCmdlineClearTabenter', #{rows: 10})
+  call TermWait(buf, 25)
+  " in one tab make the command line higher with CTRL-W -
+  call term_sendkeys(buf, ":tabnew\<cr>\<C-w>-\<C-w>-gtgt")
+  call VerifyScreenDump(buf, 'Test_cmdlineclear_tabenter', {})
+
+  call StopVimInTerminal(buf)
+endfunc
+
+" Test for expanding special keywords in cmdline
+func Test_cmdline_expand_special()
+  %bwipe!
+  call assert_fails('e #', 'E194:')
+  call assert_fails('e <afile>', 'E495:')
+  call assert_fails('e <abuf>', 'E496:')
+  call assert_fails('e <amatch>', 'E497:')
+
+  call writefile([], 'Xfile.cpp', 'D')
+  call writefile([], 'Xfile.java', 'D')
+  new Xfile.cpp
+  call feedkeys(":e %:r\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"e Xfile.cpp Xfile.java', @:)
+  close
+endfunc
+
+" Test for backtick expression in the command line
+func Test_cmd_backtick()
+  %argd
+  argadd `=['a', 'b', 'c']`
+  call assert_equal(['a', 'b', 'c'], argv())
+  %argd
+
+  argadd `echo abc def`
+  call assert_equal(['abc def'], argv())
+  %argd
+endfunc
+
+" Test for the :! command
+func Test_cmd_bang()
+  CheckUnix
+
+  let lines =<< trim [SCRIPT]
+    " Test for no previous command
+    call assert_fails('!!', 'E34:')
+    set nomore
+    " Test for cmdline expansion with :!
+    call setline(1, 'foo!')
+    silent !echo <cWORD> > Xfile.out
+    call assert_equal(['foo!'], readfile('Xfile.out'))
+    " Test for using previous command
+    silent !echo \! !
+    call assert_equal(['! echo foo!'], readfile('Xfile.out'))
+    call writefile(v:errors, 'Xresult')
+    call delete('Xfile.out')
+    qall!
+  [SCRIPT]
+  call writefile(lines, 'Xscript', 'D')
+  if RunVim([], [], '--clean -S Xscript')
+    call assert_equal([], readfile('Xresult'))
+  endif
+  call delete('Xresult')
+endfunc
+
+" Test error: "E135: *Filter* Autocommands must not change current buffer"
+func Test_cmd_bang_E135()
+  new
+  call setline(1, ['a', 'b', 'c', 'd'])
+  augroup test_cmd_filter_E135
+    au!
+    autocmd FilterReadPost * help
+  augroup END
+  call assert_fails('2,3!echo "x"', 'E135:')
+
+  augroup test_cmd_filter_E135
+    au!
+  augroup END
+  augroup! test_cmd_filter_E135
+  %bwipe!
+endfunc
+
+func Test_cmd_bang_args()
+  new
+  :.!
+  call assert_equal(0, v:shell_error)
+
+  " Note that below there is one space char after the '!'.  This caused a
+  " shell error in the past, see https://github.com/vim/vim/issues/11495.
+  :.! 
+  call assert_equal(0, v:shell_error)
+  bwipe!
+
+  CheckUnix
+  :.!pwd
+  call assert_equal(0, v:shell_error)
+  :.! pwd
+  call assert_equal(0, v:shell_error)
+
+  " Note there is one space after 'pwd'.
+  :.! pwd 
+  call assert_equal(0, v:shell_error)
+
+  " Note there are two spaces after 'pwd'.
+  :.!  pwd  
+  call assert_equal(0, v:shell_error)
+  :.!ls ~
+  call assert_equal(0, v:shell_error)
+
+  " Note there is one space char after '~'.
+  :.!ls  ~ 
+  call assert_equal(0, v:shell_error)
+
+  " Note there are two spaces after '~'.
+  :.!ls  ~  
+  call assert_equal(0, v:shell_error)
+
+  :.!echo "foo"
+  call assert_equal(getline('.'), "foo")
+  :.!echo "foo  "
+  call assert_equal(getline('.'), "foo  ")
+  :.!echo " foo  "
+  call assert_equal(getline('.'), " foo  ")
+  :.!echo  " foo  "
+  call assert_equal(getline('.'), " foo  ")
+
+  %bwipe!
+endfunc
+
+" Test for using ~ for home directory in cmdline completion matches
+func Test_cmdline_expand_home()
+  call mkdir('Xexpdir', 'R')
+  call writefile([], 'Xexpdir/Xfile1')
+  call writefile([], 'Xexpdir/Xfile2')
+  cd Xexpdir
+  let save_HOME = $HOME
+  let $HOME = getcwd()
+  call feedkeys(":e ~/\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"e ~/Xfile1 ~/Xfile2', @:)
+  let $HOME = save_HOME
+  cd ..
+endfunc
+
+" Test for using CTRL-\ CTRL-G in the command line to go back to normal mode
+" or insert mode (when 'insertmode' is set)
+func Test_cmdline_ctrl_g()
+  new
+  call setline(1, 'abc')
+  call cursor(1, 3)
+  " If command line is entered from insert mode, using C-\ C-G should back to
+  " insert mode
+  call feedkeys("i\<C-O>:\<C-\>\<C-G>xy", 'xt')
+  call assert_equal('abxyc', getline(1))
+  call assert_equal(4, col('.'))
+
+  " If command line is entered in 'insertmode', using C-\ C-G should back to
+  " 'insertmode'
+  call feedkeys(":set im\<cr>\<C-L>:\<C-\>\<C-G>12\<C-L>:set noim\<cr>", 'xt')
+  call assert_equal('ab12xyc', getline(1))
+  close!
+endfunc
+
+" Test for 'wildmode'
+func Wildmode_tests()
+  func T(a, c, p)
+    return "oneA\noneB\noneC"
+  endfunc
+  command -nargs=1 -complete=custom,T MyCmd
+
+  set nowildmenu
+  set wildmode=full,list
+  let g:Sline = ''
+  call feedkeys(":MyCmd \t\t\<F4>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('oneA  oneB  oneC', g:Sline)
+  call assert_equal('"MyCmd oneA', @:)
+
+  set wildmode=longest,full
+  call feedkeys(":MyCmd o\t\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"MyCmd one', @:)
+  call feedkeys(":MyCmd o\t\t\t\t\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"MyCmd oneC', @:)
+
+  set wildmode=longest
+  call feedkeys(":MyCmd one\t\t\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"MyCmd one', @:)
+
+  set wildmode=list:longest
+  let g:Sline = ''
+  call feedkeys(":MyCmd \t\<F4>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('oneA  oneB  oneC', g:Sline)
+  call assert_equal('"MyCmd one', @:)
+
+  set wildmode=""
+  call feedkeys(":MyCmd \t\t\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"MyCmd oneA', @:)
+
+  " Test for wildmode=longest with 'fileignorecase' set
+  set wildmode=longest
+  set fileignorecase
+  argadd AAA AAAA AAAAA
+  call feedkeys(":buffer a\t\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"buffer AAA', @:)
+  set fileignorecase&
+
+  " Test for listing files with wildmode=list
+  set wildmode=list
+  let g:Sline = ''
+  call feedkeys(":b A\t\t\<F4>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('AAA    AAAA   AAAAA', g:Sline)
+  call assert_equal('"b A', @:)
+
+  " when using longest completion match, matches shorter than the argument
+  " should be ignored (happens with :help)
+  set wildmode=longest,full
+  set wildmenu
+  call feedkeys(":help a*\t\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"help a', @:)
+  " non existing file
+  call feedkeys(":e a1b2y3z4\t\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"e a1b2y3z4', @:)
+  set wildmenu&
+
+  " Test for longest file name completion with 'fileignorecase'
+  " On MS-Windows, file names are case insensitive.
+  if has('unix')
+    call writefile([], 'XTESTfoo', 'D')
+    call writefile([], 'Xtestbar', 'D')
+    set nofileignorecase
+    call feedkeys(":e XT\<Tab>\<C-B>\"\<CR>", 'xt')
+    call assert_equal('"e XTESTfoo', @:)
+    call feedkeys(":e Xt\<Tab>\<C-B>\"\<CR>", 'xt')
+    call assert_equal('"e Xtestbar', @:)
+    set fileignorecase
+    call feedkeys(":e XT\<Tab>\<C-B>\"\<CR>", 'xt')
+    call assert_equal('"e Xtest', @:)
+    call feedkeys(":e Xt\<Tab>\<C-B>\"\<CR>", 'xt')
+    call assert_equal('"e Xtest', @:)
+    set fileignorecase&
+  endif
+
+  %argdelete
+  delcommand MyCmd
+  delfunc T
+  set wildmode&
+  %bwipe!
+endfunc
+
+func Test_wildmode()
+  " Test with utf-8 encoding
+  call Wildmode_tests()
+
+  " Test with latin1 encoding
+  let save_encoding = &encoding
+  set encoding=latin1
+  call Wildmode_tests()
+  let &encoding = save_encoding
+endfunc
+
+func Test_custom_complete_autoload()
+  call mkdir('Xcustdir/autoload', 'pR')
+  let save_rtp = &rtp
+  exe 'set rtp=' .. getcwd() .. '/Xcustdir'
+  let lines =<< trim END
+      func vim8#Complete(a, c, p)
+        return "oneA\noneB\noneC"
+      endfunc
+  END
+  call writefile(lines, 'Xcustdir/autoload/vim8.vim')
+
+  command -nargs=1 -complete=custom,vim8#Complete MyCmd
+  set nowildmenu
+  set wildmode=full,list
+  call feedkeys(":MyCmd \<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"MyCmd oneA oneB oneC', @:)
+
+  let &rtp = save_rtp
+  set wildmode& wildmenu&
+  delcommand MyCmd
+endfunc
+
+" Test for interrupting the command-line completion
+func Test_interrupt_compl()
+  func F(lead, cmdl, p)
+    if a:lead =~ 'tw'
+      call interrupt()
+      return
+    endif
+    return "one\ntwo\nthree"
+  endfunc
+  command -nargs=1 -complete=custom,F Tcmd
+
+  set nowildmenu
+  set wildmode=full
+  let interrupted = 0
+  try
+    call feedkeys(":Tcmd tw\<Tab>\<C-B>\"\<CR>", 'xt')
+  catch /^Vim:Interrupt$/
+    let interrupted = 1
+  endtry
+  call assert_equal(1, interrupted)
+
+  let interrupted = 0
+  try
+    call feedkeys(":Tcmd tw\<C-d>\<C-B>\"\<CR>", 'xt')
+  catch /^Vim:Interrupt$/
+    let interrupted = 1
+  endtry
+  call assert_equal(1, interrupted)
+
+  delcommand Tcmd
+  delfunc F
+  set wildmode&
+endfunc
+
+" Test for moving the cursor on the : command line
+func Test_cmdline_edit()
+  let str = ":one two\<C-U>"
+  let str ..= "one two\<C-W>\<C-W>"
+  let str ..= "four\<BS>\<C-H>\<Del>\<kDel>"
+  let str ..= "\<Left>five\<Right>"
+  let str ..= "\<Home>two "
+  let str ..= "\<C-Left>one "
+  let str ..= "\<C-Right> three"
+  let str ..= "\<End>\<S-Left>four "
+  let str ..= "\<S-Right> six"
+  let str ..= "\<C-B>\"\<C-E> seven\<CR>"
+  call feedkeys(str, 'xt')
+  call assert_equal("\"one two three four five six seven", @:)
+endfunc
+
+" Test for moving the cursor on the / command line in 'rightleft' mode
+func Test_cmdline_edit_rightleft()
+  CheckFeature rightleft
+  set rightleft
+  set rightleftcmd=search
+  let str = "/one two\<C-U>"
+  let str ..= "one two\<C-W>\<C-W>"
+  let str ..= "four\<BS>\<C-H>\<Del>\<kDel>"
+  let str ..= "\<Right>five\<Left>"
+  let str ..= "\<Home>two "
+  let str ..= "\<C-Right>one "
+  let str ..= "\<C-Left> three"
+  let str ..= "\<End>\<S-Right>four "
+  let str ..= "\<S-Left> six"
+  let str ..= "\<C-B>\"\<C-E> seven\<CR>"
+  call assert_fails("call feedkeys(str, 'xt')", 'E486:')
+  call assert_equal("\"one two three four five six seven", @/)
+  set rightleftcmd&
+  set rightleft&
+endfunc
+
+" Test for using <C-\>e in the command line to evaluate an expression
+func Test_cmdline_expr()
+  " Evaluate an expression from the beginning of a command line
+  call feedkeys(":abc\<C-B>\<C-\>e\"\\\"hello\"\<CR>\<CR>", 'xt')
+  call assert_equal('"hello', @:)
+
+  " Use an invalid expression for <C-\>e
+  call assert_beeps('call feedkeys(":\<C-\>einvalid\<CR>", "tx")')
+
+  " Insert literal <CTRL-\> in the command line
+  call feedkeys(":\"e \<C-\>\<C-Y>\<CR>", 'xt')
+  call assert_equal("\"e \<C-\>\<C-Y>", @:)
+endfunc
+
+" This was making the insert position negative
+func Test_cmdline_expr_register()
+  exe "sil! norm! ?\<C-\>e0\<C-R>0\<Esc>?\<C-\>e0\<CR>"
+endfunc
+
+" Test for 'imcmdline' and 'imsearch'
+" This test doesn't actually test the input method functionality.
+func Test_cmdline_inputmethod()
+  new
+  call setline(1, ['', 'abc', ''])
+  set imcmdline
+
+  call feedkeys(":\"abc\<CR>", 'xt')
+  call assert_equal("\"abc", @:)
+  call feedkeys(":\"\<C-^>abc\<C-^>\<CR>", 'xt')
+  call assert_equal("\"abc", @:)
+  call feedkeys("/abc\<CR>", 'xt')
+  call assert_equal([2, 1], [line('.'), col('.')])
+  call feedkeys("/\<C-^>abc\<C-^>\<CR>", 'xt')
+  call assert_equal([2, 1], [line('.'), col('.')])
+
+  set imsearch=2
+  call cursor(1, 1)
+  call feedkeys("/abc\<CR>", 'xt')
+  call assert_equal([2, 1], [line('.'), col('.')])
+  call cursor(1, 1)
+  call feedkeys("/\<C-^>abc\<C-^>\<CR>", 'xt')
+  call assert_equal([2, 1], [line('.'), col('.')])
+  set imdisable
+  call feedkeys("/\<C-^>abc\<C-^>\<CR>", 'xt')
+  call assert_equal([2, 1], [line('.'), col('.')])
+  set imdisable&
+  set imsearch&
+
+  set imcmdline&
+  %bwipe!
+endfunc
+
+" Test for using CTRL-_ in the command line with 'allowrevins'
+func Test_cmdline_revins()
+  CheckNotMSWindows
+  CheckFeature rightleft
+  call feedkeys(":\"abc\<c-_>\<cr>", 'xt')
+  call assert_equal("\"abc\<c-_>", @:)
+  set allowrevins
+  call feedkeys(":\"abc\<c-_>xyz\<c-_>\<CR>", 'xt')
+  call assert_equal('"abcñèæ', @:)
+  set allowrevins&
+endfunc
+
+" Test for typing UTF-8 composing characters in the command line
+func Test_cmdline_composing_chars()
+  call feedkeys(":\"\<C-V>u3046\<C-V>u3099\<CR>", 'xt')
+  call assert_equal('"ゔ', @:)
+endfunc
+
+" test that ";" works to find a match at the start of the first line
+func Test_zero_line_search()
+  new
+  call setline(1, ["1, pattern", "2, ", "3, pattern"])
+  call cursor(1,1)
+  0;/pattern/d
+  call assert_equal(["2, ", "3, pattern"], getline(1,'$'))
+  q!
+endfunc
+
+func Test_read_shellcmd()
+  CheckUnix
+  if executable('ls')
+    " There should be ls in the $PATH
+    call feedkeys(":r! l\<c-a>\<c-b>\"\<cr>", 'tx')
+    call assert_match('^"r! .*\<ls\>', @:)
+  endif
+
+  if executable('rm')
+    call feedkeys(":r! ++enc=utf-8 r\<c-a>\<c-b>\"\<cr>", 'tx')
+    call assert_notmatch('^"r!.*\<runtest.vim\>', @:)
+    call assert_match('^"r!.*\<rm\>', @:)
+
+    call feedkeys(":r ++enc=utf-8 !rm\<c-a>\<c-b>\"\<cr>", 'tx')
+    call assert_notmatch('^"r.*\<runtest.vim\>', @:)
+    call assert_match('^"r ++enc\S\+ !.*\<rm\>', @:)
+  endif
+endfunc
+
+" Test for going up and down the directory tree using 'wildmenu'
+func Test_wildmenu_dirstack()
+  CheckUnix
+  %bw!
+  call mkdir('Xwildmenu/dir2/dir3/dir4', 'pR')
+  call writefile([], 'Xwildmenu/file1_1.txt')
+  call writefile([], 'Xwildmenu/file1_2.txt')
+  call writefile([], 'Xwildmenu/dir2/file2_1.txt')
+  call writefile([], 'Xwildmenu/dir2/file2_2.txt')
+  call writefile([], 'Xwildmenu/dir2/dir3/file3_1.txt')
+  call writefile([], 'Xwildmenu/dir2/dir3/file3_2.txt')
+  call writefile([], 'Xwildmenu/dir2/dir3/dir4/file4_1.txt')
+  call writefile([], 'Xwildmenu/dir2/dir3/dir4/file4_2.txt')
+  set wildmenu
+
+  cd Xwildmenu/dir2/dir3/dir4
+  call feedkeys(":e \<Tab>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"e file4_1.txt', @:)
+  call feedkeys(":e \<Tab>\<Up>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"e ../dir4/', @:)
+  call feedkeys(":e \<Tab>\<Up>\<Up>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"e ../../dir3/', @:)
+  call feedkeys(":e \<Tab>\<Up>\<Up>\<Up>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"e ../../../dir2/', @:)
+  call feedkeys(":e \<Tab>\<Up>\<Up>\<Down>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"e ../../dir3/dir4/', @:)
+  call feedkeys(":e \<Tab>\<Up>\<Up>\<Down>\<Down>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"e ../../dir3/dir4/file4_1.txt', @:)
+  cd -
+  call feedkeys(":e Xwildmenu/\<Tab>\<Down>\<Down>\<Down>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"e Xwildmenu/dir2/dir3/dir4/file4_1.txt', @:)
+
+  set wildmenu&
+endfunc
+
+" Test for recalling newer or older cmdline from history with <Up>, <Down>,
+" <S-Up>, <S-Down>, <PageUp>, <PageDown>, <kPageUp>, <kPageDown>, <C-p>, or
+" <C-n>.
+func Test_recalling_cmdline()
+  CheckFeature cmdline_hist
+
+  let g:cmdlines = []
+  cnoremap <Plug>(save-cmdline) <Cmd>let g:cmdlines += [getcmdline()]<CR>
+
+  let histories = [
+  \  #{name: 'cmd',    enter: ':',                    exit: "\<Esc>"},
+  \  #{name: 'search', enter: '/',                    exit: "\<Esc>"},
+  \  #{name: 'expr',   enter: ":\<C-r>=",             exit: "\<Esc>\<Esc>"},
+  \  #{name: 'input',  enter: ":call input('')\<CR>", exit: "\<CR>"},
+  "\ TODO: {'name': 'debug', ...}
+  \]
+  let keypairs = [
+  \  #{older: "\<Up>",     newer: "\<Down>",     prefixmatch: v:true},
+  \  #{older: "\<S-Up>",   newer: "\<S-Down>",   prefixmatch: v:false},
+  \  #{older: "\<PageUp>", newer: "\<PageDown>", prefixmatch: v:false},
+  \  #{older: "\<kPageUp>", newer: "\<kPageDown>", prefixmatch: v:false},
+  \  #{older: "\<C-p>",    newer: "\<C-n>",      prefixmatch: v:false},
+  \]
+  let prefix = 'vi'
+  for h in histories
+    call histadd(h.name, 'vim')
+    call histadd(h.name, 'virtue')
+    call histadd(h.name, 'Virgo')
+    call histadd(h.name, 'vogue')
+    call histadd(h.name, 'emacs')
+    for k in keypairs
+      let g:cmdlines = []
+      let keyseqs = h.enter
+      \          .. prefix
+      \          .. repeat(k.older .. "\<Plug>(save-cmdline)", 2)
+      \          .. repeat(k.newer .. "\<Plug>(save-cmdline)", 2)
+      \          .. h.exit
+      call feedkeys(keyseqs, 'xt')
+      call histdel(h.name, -1) " delete the history added by feedkeys above
+      let expect = k.prefixmatch
+      \          ? ['virtue', 'vim',   'virtue', prefix]
+      \          : ['emacs',  'vogue', 'emacs',  prefix]
+      call assert_equal(expect, g:cmdlines)
+    endfor
+  endfor
+
+  unlet g:cmdlines
+  cunmap <Plug>(save-cmdline)
+endfunc
+
+func Test_cmd_map_cmdlineChanged()
+  let g:log = []
+  cnoremap <F1> l<Cmd><CR>s
+  augroup test_CmdlineChanged
+    autocmd!
+    autocmd CmdlineChanged : let g:log += [getcmdline()]
+  augroup END
+
+  call feedkeys(":\<F1>\<CR>", 'xt')
+  call assert_equal(['l', 'ls'], g:log)
+
+  let @b = 'b'
+  cnoremap <F1> a<C-R>b
+  let g:log = []
+  call feedkeys(":\<F1>\<CR>", 'xt')
+  call assert_equal(['a', 'ab'], g:log)
+
+  unlet g:log
+  cunmap <F1>
+  augroup test_CmdlineChanged
+    autocmd!
+  augroup END
+  augroup! test_CmdlineChanged
+endfunc
+
+" Test for the 'suffixes' option
+func Test_suffixes_opt()
+  call writefile([], 'Xsuffile', 'D')
+  call writefile([], 'Xsuffile.c', 'D')
+  call writefile([], 'Xsuffile.o', 'D')
+  set suffixes=
+  call feedkeys(":e Xsuffi*\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"e Xsuffile Xsuffile.c Xsuffile.o', @:)
+  call feedkeys(":e Xsuffi*\<Tab>\<Tab>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"e Xsuffile.c', @:)
+  set suffixes=.c
+  call feedkeys(":e Xsuffi*\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"e Xsuffile Xsuffile.o Xsuffile.c', @:)
+  call feedkeys(":e Xsuffi*\<Tab>\<Tab>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"e Xsuffile.o', @:)
+  set suffixes=,,
+  call feedkeys(":e Xsuffi*\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"e Xsuffile.c Xsuffile.o Xsuffile', @:)
+  call feedkeys(":e Xsuffi*\<Tab>\<Tab>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"e Xsuffile.o', @:)
+  set suffixes&
+  " Test for getcompletion() with different patterns
+  call assert_equal(['Xsuffile', 'Xsuffile.c', 'Xsuffile.o'], getcompletion('Xsuffile', 'file'))
+  call assert_equal(['Xsuffile'], getcompletion('Xsuffile$', 'file'))
+endfunc
+
+" Test for using a popup menu for the command line completion matches
+" (wildoptions=pum)
+func Test_wildmenu_pum()
+  CheckRunVimInTerminal
+
+  let commands =<< trim [CODE]
+    set wildmenu
+    set wildoptions=pum
+    set shm+=I
+    set noruler
+    set noshowcmd
+
+    func CmdCompl(a, b, c)
+      return repeat(['aaaa'], 120)
+    endfunc
+    command -nargs=* -complete=customlist,CmdCompl Tcmd
+
+    func MyStatusLine() abort
+      return 'status'
+    endfunc
+    func SetupStatusline()
+      set statusline=%!MyStatusLine()
+      set laststatus=2
+    endfunc
+
+    func MyTabLine()
+      return 'my tab line'
+    endfunc
+    func SetupTabline()
+      set statusline=
+      set tabline=%!MyTabLine()
+      set showtabline=2
+    endfunc
+
+    func DoFeedKeys()
+      let &wildcharm = char2nr("\t")
+      call feedkeys(":edit $VIMRUNTIME/\<Tab>\<Left>\<C-U>ab\<Tab>")
+    endfunc
+  [CODE]
+  call writefile(commands, 'Xtest', 'D')
+
+  let buf = RunVimInTerminal('-S Xtest', #{rows: 10})
+
+  call term_sendkeys(buf, ":sign \<Tab>")
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_01', {})
+
+  " going down the popup menu using <Down>
+  call term_sendkeys(buf, "\<Down>\<Down>")
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_02', {})
+
+  " going down the popup menu using <C-N>
+  call term_sendkeys(buf, "\<C-N>")
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_03', {})
+
+  " going up the popup menu using <C-P>
+  call term_sendkeys(buf, "\<C-P>")
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_04', {})
+
+  " going up the popup menu using <Up>
+  call term_sendkeys(buf, "\<Up>")
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_05', {})
+
+  " pressing <C-E> should end completion and go back to the original match
+  call term_sendkeys(buf, "\<C-E>")
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_06', {})
+
+  " pressing <C-Y> should select the current match and end completion
+  call term_sendkeys(buf, "\<Tab>\<C-P>\<C-P>\<C-Y>")
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_07', {})
+
+  " With 'wildmode' set to 'longest,full', completing a match should display
+  " the longest match, the wildmenu should not be displayed.
+  call term_sendkeys(buf, ":\<C-U>set wildmode=longest,full\<CR>")
+  call TermWait(buf)
+  call term_sendkeys(buf, ":sign u\<Tab>")
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_08', {})
+
+  " pressing <Tab> should display the wildmenu
+  call term_sendkeys(buf, "\<Tab>")
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_09', {})
+
+  " pressing <Tab> second time should select the next entry in the menu
+  call term_sendkeys(buf, "\<Tab>")
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_10', {})
+
+  call term_sendkeys(buf, ":\<C-U>set wildmode=full\<CR>")
+  " showing popup menu in different columns in the cmdline
+  call term_sendkeys(buf, ":sign define \<Tab>")
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_11', {})
+
+  call term_sendkeys(buf, " \<Tab>")
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_12', {})
+
+  call term_sendkeys(buf, " \<Tab>")
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_13', {})
+
+  " Directory name completion
+  call mkdir('Xnamedir/XdirA/XdirB', 'pR')
+  call writefile([], 'Xnamedir/XfileA')
+  call writefile([], 'Xnamedir/XdirA/XfileB')
+  call writefile([], 'Xnamedir/XdirA/XdirB/XfileC')
+
+  call term_sendkeys(buf, "\<C-U>e Xnamedi\<Tab>\<Tab>")
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_14', {})
+
+  " Pressing <Right> on a directory name should go into that directory
+  call term_sendkeys(buf, "\<Right>")
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_15', {})
+
+  " Pressing <Left> on a directory name should go to the parent directory
+  call term_sendkeys(buf, "\<Left>")
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_16', {})
+
+  " Pressing <C-A> when the popup menu is displayed should list all the
+  " matches but the popup menu should still remain
+  call term_sendkeys(buf, "\<C-U>sign \<Tab>\<C-A>")
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_17', {})
+
+  " Pressing <C-D> when the popup menu is displayed should remove the popup
+  " menu
+  call term_sendkeys(buf, "\<C-U>sign \<Tab>\<C-D>")
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_18', {})
+
+  " Pressing <S-Tab> should open the popup menu with the last entry selected
+  call term_sendkeys(buf, "\<C-U>\<CR>:sign \<S-Tab>\<C-P>")
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_19', {})
+
+  " Pressing <Esc> should close the popup menu and cancel the cmd line
+  call term_sendkeys(buf, "\<C-U>\<CR>:sign \<Tab>\<Esc>")
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_20', {})
+
+  " Typing a character when the popup is open, should close the popup
+  call term_sendkeys(buf, ":sign \<Tab>x")
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_21', {})
+
+  " When the popup is open, entering the cmdline window should close the popup
+  call term_sendkeys(buf, "\<C-U>sign \<Tab>\<C-F>")
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_22', {})
+  call term_sendkeys(buf, ":q\<CR>")
+
+  " After the last popup menu item, <C-N> should show the original string
+  call term_sendkeys(buf, ":sign u\<Tab>\<C-N>\<C-N>")
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_23', {})
+
+  " Use the popup menu for the command name
+  call term_sendkeys(buf, "\<C-U>bu\<Tab>")
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_24', {})
+
+  " Pressing the left arrow should remove the popup menu
+  call term_sendkeys(buf, "\<Left>\<Left>")
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_25', {})
+
+  " Pressing <BS> should remove the popup menu and erase the last character
+  call term_sendkeys(buf, "\<C-E>\<C-U>sign \<Tab>\<BS>")
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_26', {})
+
+  " Pressing <C-W> should remove the popup menu and erase the previous word
+  call term_sendkeys(buf, "\<C-E>\<C-U>sign \<Tab>\<C-W>")
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_27', {})
+
+  " Pressing <C-U> should remove the popup menu and erase the entire line
+  call term_sendkeys(buf, "\<C-E>\<C-U>sign \<Tab>\<C-U>")
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_28', {})
+
+  " Using <C-E> to cancel the popup menu and then pressing <Up> should recall
+  " the cmdline from history
+  call term_sendkeys(buf, "sign xyz\<Esc>:sign \<Tab>\<C-E>\<Up>")
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_29', {})
+
+  " Check "list" still works
+  call term_sendkeys(buf, "\<C-U>set wildmode=longest,list\<CR>")
+  call term_sendkeys(buf, ":cn\<Tab>")
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_30', {})
+  call term_sendkeys(buf, "s")
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_31', {})
+
+  " Tests a directory name contained full-width characters.
+  call mkdir('Xnamedir/あいう', 'p')
+  call writefile([], 'Xnamedir/あいう/abc')
+  call writefile([], 'Xnamedir/あいう/xyz')
+  call writefile([], 'Xnamedir/あいう/123')
+
+  call term_sendkeys(buf, "\<C-U>set wildmode&\<CR>")
+  call term_sendkeys(buf, ":\<C-U>e Xnamedir/あいう/\<Tab>")
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_32', {})
+
+  " Pressing <C-A> when the popup menu is displayed should list all the
+  " matches and pressing a key after that should remove the popup menu
+  call term_sendkeys(buf, "\<C-U>set wildmode=full\<CR>")
+  call term_sendkeys(buf, ":sign \<Tab>\<C-A>x")
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_33', {})
+
+  " Pressing <C-A> when the popup menu is displayed should list all the
+  " matches and pressing <Left> after that should move the cursor
+  call term_sendkeys(buf, "\<C-U>abc\<Esc>")
+  call term_sendkeys(buf, ":sign \<Tab>\<C-A>\<Left>")
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_34', {})
+
+  " When <C-A> displays a lot of matches (screen scrolls), all the matches
+  " should be displayed correctly on the screen.
+  call term_sendkeys(buf, "\<End>\<C-U>Tcmd \<Tab>\<C-A>\<Left>\<Left>")
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_35', {})
+
+  " After using <C-A> to expand all the filename matches, pressing <Up>
+  " should not open the popup menu again.
+  call term_sendkeys(buf, "\<C-E>\<C-U>:cd Xnamedir/XdirA\<CR>")
+  call term_sendkeys(buf, ":e \<Tab>\<C-A>\<Up>")
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_36', {})
+  call term_sendkeys(buf, "\<C-E>\<C-U>:cd -\<CR>")
+
+  " After using <C-A> to expand all the matches, pressing <S-Tab> used to
+  " crash Vim
+  call term_sendkeys(buf, ":sign \<Tab>\<C-A>\<S-Tab>")
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_37', {})
+
+  " After removing the pum the command line is redrawn
+  call term_sendkeys(buf, ":edit foo\<CR>")
+  call term_sendkeys(buf, ":edit bar\<CR>")
+  call term_sendkeys(buf, ":ls\<CR>")
+  call term_sendkeys(buf, ":com\<Tab> ")
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_38', {})
+  call term_sendkeys(buf, "\<C-U>\<CR>")
+
+  " Esc still works to abort the command when 'statusline' is set
+  call term_sendkeys(buf, ":call SetupStatusline()\<CR>")
+  call term_sendkeys(buf, ":si\<Tab>")
+  call term_sendkeys(buf, "\<Esc>")
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_39', {})
+
+  " Esc still works to abort the command when 'tabline' is set
+  call term_sendkeys(buf, ":call SetupTabline()\<CR>")
+  call term_sendkeys(buf, ":si\<Tab>")
+  call term_sendkeys(buf, "\<Esc>")
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_40', {})
+
+  " popup is cleared also when 'lazyredraw' is set
+  call term_sendkeys(buf, ":set showtabline=1 laststatus=1 lazyredraw\<CR>")
+  call term_sendkeys(buf, ":call DoFeedKeys()\<CR>")
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_41', {})
+  call term_sendkeys(buf, "\<Esc>")
+
+  " Pressing <PageDown> should scroll the menu downward
+  call term_sendkeys(buf, ":sign \<Tab>\<PageDown>")
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_42', {})
+  call term_sendkeys(buf, "\<PageDown>")
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_43', {})
+  call term_sendkeys(buf, "\<PageDown>")
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_44', {})
+  call term_sendkeys(buf, "\<PageDown>")
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_45', {})
+  call term_sendkeys(buf, "\<C-U>sign \<Tab>\<Down>\<Down>\<PageDown>")
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_46', {})
+
+  " Pressing <PageUp> should scroll the menu upward
+  call term_sendkeys(buf, "\<C-U>sign \<Tab>\<PageUp>")
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_47', {})
+  call term_sendkeys(buf, "\<PageUp>")
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_48', {})
+  call term_sendkeys(buf, "\<PageUp>")
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_49', {})
+  call term_sendkeys(buf, "\<PageUp>")
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_50', {})
+
+  call term_sendkeys(buf, "\<C-U>\<CR>")
+  call StopVimInTerminal(buf)
+endfunc
+
+" Test for wildmenumode() with the cmdline popup menu
+func Test_wildmenumode_with_pum()
+  set wildmenu
+  set wildoptions=pum
+  cnoremap <expr> <F2> wildmenumode()
+  call feedkeys(":sign \<Tab>\<F2>\<F2>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"sign define10', @:)
+  call feedkeys(":sign \<Tab>\<C-A>\<F2>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"sign define jump list place undefine unplace0', @:)
+  call feedkeys(":sign \<Tab>\<C-E>\<F2>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"sign 0', @:)
+  call feedkeys(":sign \<Tab>\<C-Y>\<F2>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"sign define0', @:)
+  set nowildmenu wildoptions&
+  cunmap <F2>
+endfunc
+
+func Test_wildmenu_with_pum_foldexpr()
+  CheckRunVimInTerminal
+
+  let lines =<< trim END
+      call setline(1, ['folded one', 'folded two', 'some more text'])
+      func MyFoldText()
+        return 'foo'
+      endfunc
+      set foldtext=MyFoldText() wildoptions=pum
+      normal ggzfj
+  END
+  call writefile(lines, 'Xpumfold', 'D')
+  let buf = RunVimInTerminal('-S Xpumfold', #{rows: 10})
+  call term_sendkeys(buf, ":set\<Tab>")
+  call VerifyScreenDump(buf, 'Test_wildmenu_with_pum_foldexpr_1', {})
+
+  call term_sendkeys(buf, "\<Esc>")
+  call VerifyScreenDump(buf, 'Test_wildmenu_with_pum_foldexpr_2', {})
+
+  call StopVimInTerminal(buf)
+endfunc
+
+" Test for opening the cmdline completion popup menu from the terminal window.
+" The popup menu should be positioned correctly over the status line of the
+" bottom-most window.
+func Test_wildmenu_pum_from_terminal()
+  CheckRunVimInTerminal
+  let python = PythonProg()
+  call CheckPython(python)
+
+  %bw!
+  let cmds = ['set wildmenu wildoptions=pum']
+  let pcmd = python .. ' -c "import sys; sys.stdout.write(sys.stdin.read())"'
+  call add(cmds, "call term_start('" .. pcmd .. "')")
+  call writefile(cmds, 'Xtest', 'D')
+  let buf = RunVimInTerminal('-S Xtest', #{rows: 10})
+  call term_sendkeys(buf, "\r\r\r")
+  call term_wait(buf)
+  call term_sendkeys(buf, "\<C-W>:sign \<Tab>")
+  call term_wait(buf)
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_term_01', {})
+  call term_wait(buf)
+  call StopVimInTerminal(buf)
+endfunc
+
+func Test_wildmenu_pum_clear_entries()
+  CheckRunVimInTerminal
+
+  " This was using freed memory.  Run in a terminal to get the pum to update.
+  let lines =<< trim END
+    set wildoptions=pum
+    set wildchar=<C-E>
+  END
+  call writefile(lines, 'XwildmenuTest', 'D')
+  let buf = RunVimInTerminal('-S XwildmenuTest', #{rows: 10})
+
+  call term_sendkeys(buf, ":\<C-E>\<C-E>")
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_clear_entries_1', {})
+
+  set wildoptions& wildchar&
+endfunc
+
+" Test for completion after a :substitute command followed by a pipe (|)
+" character
+func Test_cmdline_complete_substitute()
+  call feedkeys(":s | \t\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"s | \t", @:)
+  call feedkeys(":s/ | \t\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"s/ | \t", @:)
+  call feedkeys(":s/one | \t\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"s/one | \t", @:)
+  call feedkeys(":s/one/ | \t\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"s/one/ | \t", @:)
+  call feedkeys(":s/one/two | \t\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"s/one/two | \t", @:)
+  call feedkeys(":s/one/two/ | chist\t\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"s/one/two/ | chistory', @:)
+  call feedkeys(":s/one/two/g \t\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"s/one/two/g \t", @:)
+  call feedkeys(":s/one/two/g | chist\t\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"s/one/two/g | chistory", @:)
+  call feedkeys(":s/one/t\\/ | \t\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"s/one/t\\/ | \t", @:)
+  call feedkeys(":s/one/t\"o/ | chist\t\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"s/one/t"o/ | chistory', @:)
+  call feedkeys(":s/one/t|o/ | chist\t\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"s/one/t|o/ | chistory', @:)
+  call feedkeys(":&\t\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"&\t", @:)
+endfunc
+
+" Test for the :dlist command completion
+func Test_cmdline_complete_dlist()
+  call feedkeys(":dlist 10 /pat/ a\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"dlist 10 /pat/ a\<C-A>", @:)
+  call feedkeys(":dlist 10 /pat/ \t\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"dlist 10 /pat/ \t", @:)
+  call feedkeys(":dlist 10 /pa\\t/\t\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"dlist 10 /pa\\t/\t", @:)
+  call feedkeys(":dlist 10 /pat\\\t\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"dlist 10 /pat\\\t", @:)
+  call feedkeys(":dlist 10 /pat/ | chist\<Tab>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"dlist 10 /pat/ | chistory", @:)
+endfunc
+
+" argument list (only for :argdel) fuzzy completion
+func Test_fuzzy_completion_arglist()
+  argadd change.py count.py charge.py
+  set wildoptions&
+  call feedkeys(":argdel cge\<C-A>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"argdel cge', @:)
+  set wildoptions=fuzzy
+  call feedkeys(":argdel cge\<C-A>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"argdel change.py charge.py', @:)
+  %argdelete
+  set wildoptions&
+endfunc
+
+" autocmd group name fuzzy completion
+func Test_fuzzy_completion_autocmd()
+  set wildoptions&
+  augroup MyFuzzyGroup
+  augroup END
+  call feedkeys(":augroup mfg\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"augroup mfg', @:)
+  call feedkeys(":augroup My*p\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"augroup MyFuzzyGroup', @:)
+  set wildoptions=fuzzy
+  call feedkeys(":augroup mfg\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"augroup MyFuzzyGroup', @:)
+  call feedkeys(":augroup My*p\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"augroup My*p', @:)
+  augroup! MyFuzzyGroup
+  set wildoptions&
+endfunc
+
+" buffer name fuzzy completion
+func Test_fuzzy_completion_bufname()
+  set wildoptions&
+  " Use a long name to reduce the risk of matching a random directory name
+  edit SomeRandomFileWithLetters.txt
+  enew
+  call feedkeys(":b SRFWL\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"b SRFWL', @:)
+  call feedkeys(":b S*FileWithLetters.txt\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"b SomeRandomFileWithLetters.txt', @:)
+  set wildoptions=fuzzy
+  call feedkeys(":b SRFWL\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"b SomeRandomFileWithLetters.txt', @:)
+  call feedkeys(":b S*FileWithLetters.txt\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"b S*FileWithLetters.txt', @:)
+  %bw!
+  set wildoptions&
+endfunc
+
+" buffer name (full path) fuzzy completion
+func Test_fuzzy_completion_bufname_fullpath()
+  CheckUnix
+  set wildoptions&
+  call mkdir('Xcmd/Xstate/Xfile.js', 'pR')
+  edit Xcmd/Xstate/Xfile.js
+  cd Xcmd/Xstate
+  enew
+  call feedkeys(":b CmdStateFile\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"b CmdStateFile', @:)
+  set wildoptions=fuzzy
+  call feedkeys(":b CmdStateFile\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_match('Xcmd/Xstate/Xfile.js$', @:)
+  cd -
+  set wildoptions&
+endfunc
+
+" :behave suboptions fuzzy completion
+func Test_fuzzy_completion_behave()
+  set wildoptions&
+  call feedkeys(":behave xm\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"behave xm', @:)
+  call feedkeys(":behave xt*m\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"behave xterm', @:)
+  set wildoptions=fuzzy
+  call feedkeys(":behave xm\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"behave xterm', @:)
+  call feedkeys(":behave xt*m\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"behave xt*m', @:)
+  let g:Sline = ''
+  call feedkeys(":behave win\<C-D>\<F4>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('mswin', g:Sline)
+  call assert_equal('"behave win', @:)
+  set wildoptions&
+endfunc
+
+" " colorscheme name fuzzy completion - NOT supported
+" func Test_fuzzy_completion_colorscheme()
+" endfunc
+
+" built-in command name fuzzy completion
+func Test_fuzzy_completion_cmdname()
+  set wildoptions&
+  call feedkeys(":sbwin\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"sbwin', @:)
+  call feedkeys(":sbr*d\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"sbrewind', @:)
+  set wildoptions=fuzzy
+  call feedkeys(":sbwin\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"sbrewind', @:)
+  call feedkeys(":sbr*d\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"sbr*d', @:)
+  set wildoptions&
+endfunc
+
+" " compiler name fuzzy completion - NOT supported
+" func Test_fuzzy_completion_compiler()
+" endfunc
+
+" :cscope suboptions fuzzy completion
+func Test_fuzzy_completion_cscope()
+  CheckFeature cscope
+  set wildoptions&
+  call feedkeys(":cscope ret\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"cscope ret', @:)
+  call feedkeys(":cscope re*t\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"cscope reset', @:)
+  set wildoptions=fuzzy
+  call feedkeys(":cscope ret\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"cscope reset', @:)
+  call feedkeys(":cscope re*t\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"cscope re*t', @:)
+  set wildoptions&
+endfunc
+
+" :diffget/:diffput buffer name fuzzy completion
+func Test_fuzzy_completion_diff()
+  new SomeBuffer
+  diffthis
+  new OtherBuffer
+  diffthis
+  set wildoptions&
+  call feedkeys(":diffget sbuf\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"diffget sbuf', @:)
+  call feedkeys(":diffput sbuf\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"diffput sbuf', @:)
+  set wildoptions=fuzzy
+  call feedkeys(":diffget sbuf\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"diffget SomeBuffer', @:)
+  call feedkeys(":diffput sbuf\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"diffput SomeBuffer', @:)
+  %bw!
+  set wildoptions&
+endfunc
+
+" " directory name fuzzy completion - NOT supported
+" func Test_fuzzy_completion_dirname()
+" endfunc
+
+" environment variable name fuzzy completion
+func Test_fuzzy_completion_env()
+  set wildoptions&
+  call feedkeys(":echo $VUT\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"echo $VUT', @:)
+  set wildoptions=fuzzy
+  call feedkeys(":echo $VUT\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"echo $VIMRUNTIME', @:)
+  set wildoptions&
+endfunc
+
+" autocmd event fuzzy completion
+func Test_fuzzy_completion_autocmd_event()
+  set wildoptions&
+  call feedkeys(":autocmd BWout\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"autocmd BWout', @:)
+  set wildoptions=fuzzy
+  call feedkeys(":autocmd BWout\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"autocmd BufWipeout', @:)
+  set wildoptions&
+endfunc
+
+" vim expression fuzzy completion
+func Test_fuzzy_completion_expr()
+  let g:PerPlaceCount = 10
+  set wildoptions&
+  call feedkeys(":let c = ppc\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"let c = ppc', @:)
+  set wildoptions=fuzzy
+  call feedkeys(":let c = ppc\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"let c = PerPlaceCount', @:)
+  set wildoptions&
+endfunc
+
+" " file name fuzzy completion - NOT supported
+" func Test_fuzzy_completion_filename()
+" endfunc
+
+" " files in path fuzzy completion - NOT supported
+" func Test_fuzzy_completion_filesinpath()
+" endfunc
+
+" " filetype name fuzzy completion - NOT supported
+" func Test_fuzzy_completion_filetype()
+" endfunc
+
+" user defined function name completion
+func Test_fuzzy_completion_userdefined_func()
+  set wildoptions&
+  call feedkeys(":call Test_f_u_f\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"call Test_f_u_f', @:)
+  set wildoptions=fuzzy
+  call feedkeys(":call Test_f_u_f\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"call Test_fuzzy_completion_userdefined_func()', @:)
+  set wildoptions&
+endfunc
+
+" <SNR> functions should be sorted to the end
+func Test_fuzzy_completion_userdefined_snr_func()
+  func s:Sendmail()
+  endfunc
+  func SendSomemail()
+  endfunc
+  func S1e2n3dmail()
+  endfunc
+  set wildoptions=fuzzy
+  call feedkeys(":call sendmail\<C-A>\<C-B>\"\<CR>", 'tx')
+  call assert_match('"call SendSomemail() S1e2n3dmail() <SNR>\d\+_Sendmail()', @:)
+  set wildoptions&
+  delfunc s:Sendmail
+  delfunc SendSomemail
+  delfunc S1e2n3dmail
+endfunc
+
+" user defined command name completion
+func Test_fuzzy_completion_userdefined_cmd()
+  set wildoptions&
+  call feedkeys(":MsFeat\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"MsFeat', @:)
+  set wildoptions=fuzzy
+  call feedkeys(":MsFeat\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"MissingFeature', @:)
+  set wildoptions&
+endfunc
+
+" " :help tag fuzzy completion - NOT supported
+" func Test_fuzzy_completion_helptag()
+" endfunc
+
+" highlight group name fuzzy completion
+func Test_fuzzy_completion_hlgroup()
+  set wildoptions&
+  call feedkeys(":highlight SKey\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"highlight SKey', @:)
+  call feedkeys(":highlight Sp*Key\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"highlight SpecialKey', @:)
+  set wildoptions=fuzzy
+  call feedkeys(":highlight SKey\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"highlight SpecialKey', @:)
+  call feedkeys(":highlight Sp*Key\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"highlight Sp*Key', @:)
+  set wildoptions&
+endfunc
+
+" :history suboptions fuzzy completion
+func Test_fuzzy_completion_history()
+  set wildoptions&
+  call feedkeys(":history dg\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"history dg', @:)
+  call feedkeys(":history se*h\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"history search', @:)
+  set wildoptions=fuzzy
+  call feedkeys(":history dg\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"history debug', @:)
+  call feedkeys(":history se*h\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"history se*h', @:)
+  set wildoptions&
+endfunc
+
+" :language locale name fuzzy completion
+func Test_fuzzy_completion_lang()
+  CheckUnix
+  set wildoptions&
+  call feedkeys(":lang psx\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"lang psx', @:)
+  set wildoptions=fuzzy
+  call feedkeys(":lang psx\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"lang POSIX', @:)
+  set wildoptions&
+endfunc
+
+" :mapclear buffer argument fuzzy completion
+func Test_fuzzy_completion_mapclear()
+  set wildoptions&
+  call feedkeys(":mapclear buf\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"mapclear buf', @:)
+  set wildoptions=fuzzy
+  call feedkeys(":mapclear buf\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"mapclear <buffer>', @:)
+  set wildoptions&
+endfunc
+
+" map name fuzzy completion
+func Test_fuzzy_completion_mapname()
+  " test regex completion works
+  set wildoptions=fuzzy
+  call feedkeys(":cnoremap <ex\<Tab> <esc> \<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"cnoremap <expr> <esc> \<Tab>", @:)
+  nmap <plug>MyLongMap :p<CR>
+  call feedkeys(":nmap MLM\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"nmap <Plug>MyLongMap", @:)
+  call feedkeys(":nmap MLM \<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"nmap MLM \t", @:)
+  call feedkeys(":nmap <F2> one two \<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"nmap <F2> one two \t", @:)
+  " duplicate entries should be removed
+  vmap <plug>MyLongMap :<C-U>#<CR>
+  call feedkeys(":nmap MLM\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"nmap <Plug>MyLongMap", @:)
+  nunmap <plug>MyLongMap
+  vunmap <plug>MyLongMap
+  call feedkeys(":nmap ABC\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"nmap ABC\t", @:)
+  " results should be sorted by best match
+  nmap <Plug>format :
+  nmap <Plug>goformat :
+  nmap <Plug>TestFOrmat :
+  nmap <Plug>fendoff :
+  nmap <Plug>state :
+  nmap <Plug>FendingOff :
+  call feedkeys(":nmap <Plug>fo\<C-A>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"nmap <Plug>format <Plug>TestFOrmat <Plug>FendingOff <Plug>goformat <Plug>fendoff", @:)
+  nunmap <Plug>format
+  nunmap <Plug>goformat
+  nunmap <Plug>TestFOrmat
+  nunmap <Plug>fendoff
+  nunmap <Plug>state
+  nunmap <Plug>FendingOff
+  set wildoptions&
+endfunc
+
+" abbreviation fuzzy completion
+func Test_fuzzy_completion_abbr()
+  set wildoptions=fuzzy
+  call feedkeys(":iabbr wait\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"iabbr <nowait>", @:)
+  iabbr WaitForCompletion WFC
+  call feedkeys(":iabbr fcl\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"iabbr WaitForCompletion", @:)
+  call feedkeys(":iabbr a1z\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"iabbr a1z\t", @:)
+
+  iunabbrev WaitForCompletion
+  set wildoptions&
+endfunc
+
+" menu name fuzzy completion
+func Test_fuzzy_completion_menu()
+  CheckFeature menu
+
+  source $VIMRUNTIME/menu.vim
+  set wildoptions&
+  call feedkeys(":menu pup\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"menu pup', @:)
+  set wildoptions=fuzzy
+  call feedkeys(":menu pup\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"menu PopUp.', @:)
+
+  set wildoptions&
+  source $VIMRUNTIME/delmenu.vim
+endfunc
+
+" :messages suboptions fuzzy completion
+func Test_fuzzy_completion_messages()
+  set wildoptions&
+  call feedkeys(":messages clr\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"messages clr', @:)
+  set wildoptions=fuzzy
+  call feedkeys(":messages clr\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"messages clear', @:)
+  set wildoptions&
+endfunc
+
+" :set option name fuzzy completion
+func Test_fuzzy_completion_option()
+  set wildoptions&
+  call feedkeys(":set brkopt\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"set brkopt', @:)
+  set wildoptions=fuzzy
+  call feedkeys(":set brkopt\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"set breakindentopt', @:)
+  set wildoptions&
+  call feedkeys(":set fixeol\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"set fixendofline', @:)
+  set wildoptions=fuzzy
+  call feedkeys(":set fixeol\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"set fixendofline', @:)
+  set wildoptions&
+endfunc
+
+" :set <term_option>
+func Test_fuzzy_completion_term_option()
+  set wildoptions&
+  call feedkeys(":set t_E\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"set t_EC', @:)
+  call feedkeys(":set <t_E\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"set <t_EC>', @:)
+  set wildoptions=fuzzy
+  call feedkeys(":set t_E\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"set t_EC', @:)
+  call feedkeys(":set <t_E\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"set <t_EC>', @:)
+  set wildoptions&
+endfunc
+
+" " :packadd directory name fuzzy completion - NOT supported
+" func Test_fuzzy_completion_packadd()
+" endfunc
+
+" " shell command name fuzzy completion - NOT supported
+" func Test_fuzzy_completion_shellcmd()
+" endfunc
+
+" :sign suboptions fuzzy completion
+func Test_fuzzy_completion_sign()
+  set wildoptions&
+  call feedkeys(":sign ufe\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"sign ufe', @:)
+  set wildoptions=fuzzy
+  call feedkeys(":sign ufe\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"sign undefine', @:)
+  set wildoptions&
+endfunc
+
+" :syntax suboptions fuzzy completion
+func Test_fuzzy_completion_syntax_cmd()
+  set wildoptions&
+  call feedkeys(":syntax kwd\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"syntax kwd', @:)
+  set wildoptions=fuzzy
+  call feedkeys(":syntax kwd\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"syntax keyword', @:)
+  set wildoptions&
+endfunc
+
+" syntax group name fuzzy completion
+func Test_fuzzy_completion_syntax_group()
+  set wildoptions&
+  call feedkeys(":syntax list mpar\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"syntax list mpar', @:)
+  set wildoptions=fuzzy
+  call feedkeys(":syntax list mpar\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"syntax list MatchParen', @:)
+  set wildoptions&
+endfunc
+
+" :syntime suboptions fuzzy completion
+func Test_fuzzy_completion_syntime()
+  CheckFeature profile
+  set wildoptions&
+  call feedkeys(":syntime clr\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"syntime clr', @:)
+  set wildoptions=fuzzy
+  call feedkeys(":syntime clr\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"syntime clear', @:)
+  set wildoptions&
+endfunc
+
+" " tag name fuzzy completion - NOT supported
+" func Test_fuzzy_completion_tagname()
+" endfunc
+
+" " tag name and file fuzzy completion - NOT supported
+" func Test_fuzzy_completion_tagfile()
+" endfunc
+
+" " user names fuzzy completion - how to test this functionality?
+" func Test_fuzzy_completion_username()
+" endfunc
+
+" user defined variable name fuzzy completion
+func Test_fuzzy_completion_userdefined_var()
+  let g:SomeVariable=10
+  set wildoptions&
+  call feedkeys(":let SVar\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"let SVar', @:)
+  set wildoptions=fuzzy
+  call feedkeys(":let SVar\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"let SomeVariable', @:)
+  set wildoptions&
+endfunc
+
+" Test for sorting the results by the best match
+func Test_fuzzy_completion_cmd_sort_results()
+  %bw!
+  command T123format :
+  command T123goformat :
+  command T123TestFOrmat :
+  command T123fendoff :
+  command T123state :
+  command T123FendingOff :
+  set wildoptions=fuzzy
+  call feedkeys(":T123fo\<C-A>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"T123format T123TestFOrmat T123FendingOff T123goformat T123fendoff', @:)
+  delcommand T123format
+  delcommand T123goformat
+  delcommand T123TestFOrmat
+  delcommand T123fendoff
+  delcommand T123state
+  delcommand T123FendingOff
+  %bw
+  set wildoptions&
+endfunc
+
+" Test for fuzzy completion of a command with lower case letters and a number
+func Test_fuzzy_completion_cmd_alnum()
+  command Foo2Bar :
+  set wildoptions=fuzzy
+  call feedkeys(":foo2\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"Foo2Bar', @:)
+  call feedkeys(":foo\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"Foo2Bar', @:)
+  call feedkeys(":bar\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"Foo2Bar', @:)
+  delcommand Foo2Bar
+  set wildoptions&
+endfunc
+
+" Test for command completion for a command starting with 'k'
+func Test_fuzzy_completion_cmd_k()
+  command KillKillKill :
+  set wildoptions&
+  call feedkeys(":killkill\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"killkill\<Tab>", @:)
+  set wildoptions=fuzzy
+  call feedkeys(":killkill\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"KillKillKill', @:)
+  delcom KillKillKill
+  set wildoptions&
+endfunc
+
+" Test for fuzzy completion for user defined custom completion function
+func Test_fuzzy_completion_custom_func()
+  func Tcompl(a, c, p)
+    return "format\ngoformat\nTestFOrmat\nfendoff\nstate"
+  endfunc
+  command -nargs=* -complete=custom,Tcompl Fuzzy :
+  set wildoptions&
+  call feedkeys(":Fuzzy fo\<C-A>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"Fuzzy format", @:)
+  call feedkeys(":Fuzzy xy\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"Fuzzy xy", @:)
+  call feedkeys(":Fuzzy ttt\<C-A>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"Fuzzy ttt", @:)
+  set wildoptions=fuzzy
+  call feedkeys(":Fuzzy \<C-A>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"Fuzzy format goformat TestFOrmat fendoff state", @:)
+  call feedkeys(":Fuzzy fo\<C-A>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"Fuzzy format TestFOrmat goformat fendoff", @:)
+  call feedkeys(":Fuzzy xy\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"Fuzzy xy", @:)
+  call feedkeys(":Fuzzy ttt\<C-A>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"Fuzzy TestFOrmat", @:)
+  delcom Fuzzy
+  set wildoptions&
+endfunc
+
+" Test for :breakadd argument completion
+func Test_cmdline_complete_breakadd()
+  call feedkeys(":breakadd \<C-A>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"breakadd expr file func here", @:)
+  call feedkeys(":breakadd \<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"breakadd expr", @:)
+  call feedkeys(":breakadd    \<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"breakadd    expr", @:)
+  call feedkeys(":breakadd he\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"breakadd here", @:)
+  call feedkeys(":breakadd    he\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"breakadd    here", @:)
+  call feedkeys(":breakadd abc\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"breakadd abc", @:)
+  call assert_equal(['expr', 'file', 'func', 'here'], getcompletion('', 'breakpoint'))
+  let l = getcompletion('not', 'breakpoint')
+  call assert_equal([], l)
+
+  " Test for :breakadd file [lnum] <file>
+  call writefile([], 'Xscript', 'D')
+  call feedkeys(":breakadd file Xsc\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"breakadd file Xscript", @:)
+  call feedkeys(":breakadd   file   Xsc\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"breakadd   file   Xscript", @:)
+  call feedkeys(":breakadd file 20 Xsc\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"breakadd file 20 Xscript", @:)
+  call feedkeys(":breakadd   file   20   Xsc\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"breakadd   file   20   Xscript", @:)
+  call feedkeys(":breakadd file 20x Xsc\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"breakadd file 20x Xsc\t", @:)
+  call feedkeys(":breakadd file 20\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"breakadd file 20\t", @:)
+  call feedkeys(":breakadd file 20x\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"breakadd file 20x\t", @:)
+  call feedkeys(":breakadd file Xscript  \<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"breakadd file Xscript  ", @:)
+  call feedkeys(":breakadd file X1B2C3\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"breakadd file X1B2C3", @:)
+
+  " Test for :breakadd func [lnum] <function>
+  func Xbreak_func()
+  endfunc
+  call feedkeys(":breakadd func Xbr\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"breakadd func Xbreak_func", @:)
+  call feedkeys(":breakadd    func    Xbr\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"breakadd    func    Xbreak_func", @:)
+  call feedkeys(":breakadd func 20 Xbr\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"breakadd func 20 Xbreak_func", @:)
+  call feedkeys(":breakadd   func   20   Xbr\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"breakadd   func   20   Xbreak_func", @:)
+  call feedkeys(":breakadd func 20x Xbr\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"breakadd func 20x Xbr\t", @:)
+  call feedkeys(":breakadd func 20\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"breakadd func 20\t", @:)
+  call feedkeys(":breakadd func 20x\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"breakadd func 20x\t", @:)
+  call feedkeys(":breakadd func Xbreak_func  \<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"breakadd func Xbreak_func  ", @:)
+  call feedkeys(":breakadd func X1B2C3\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"breakadd func X1B2C3", @:)
+  delfunc Xbreak_func
+
+  " Test for :breakadd expr <expression>
+  let g:Xtest_var = 10
+  call feedkeys(":breakadd expr Xtest\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"breakadd expr Xtest_var", @:)
+  call feedkeys(":breakadd    expr    Xtest\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"breakadd    expr    Xtest_var", @:)
+  call feedkeys(":breakadd expr Xtest_var  \<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"breakadd expr Xtest_var  ", @:)
+  call feedkeys(":breakadd expr X1B2C3\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"breakadd expr X1B2C3", @:)
+  unlet g:Xtest_var
+
+  " Test for :breakadd here
+  call feedkeys(":breakadd here Xtest\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"breakadd here Xtest", @:)
+  call feedkeys(":breakadd   here   Xtest\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"breakadd   here   Xtest", @:)
+  call feedkeys(":breakadd here \<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"breakadd here ", @:)
+endfunc
+
+" Test for :breakdel argument completion
+func Test_cmdline_complete_breakdel()
+  call feedkeys(":breakdel \<C-A>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"breakdel file func here", @:)
+  call feedkeys(":breakdel \<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"breakdel file", @:)
+  call feedkeys(":breakdel    \<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"breakdel    file", @:)
+  call feedkeys(":breakdel he\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"breakdel here", @:)
+  call feedkeys(":breakdel    he\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"breakdel    here", @:)
+  call feedkeys(":breakdel abc\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"breakdel abc", @:)
+
+  " Test for :breakdel file [lnum] <file>
+  call writefile([], 'Xscript', 'D')
+  call feedkeys(":breakdel file Xsc\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"breakdel file Xscript", @:)
+  call feedkeys(":breakdel   file   Xsc\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"breakdel   file   Xscript", @:)
+  call feedkeys(":breakdel file 20 Xsc\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"breakdel file 20 Xscript", @:)
+  call feedkeys(":breakdel   file   20   Xsc\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"breakdel   file   20   Xscript", @:)
+  call feedkeys(":breakdel file 20x Xsc\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"breakdel file 20x Xsc\t", @:)
+  call feedkeys(":breakdel file 20\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"breakdel file 20\t", @:)
+  call feedkeys(":breakdel file 20x\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"breakdel file 20x\t", @:)
+  call feedkeys(":breakdel file Xscript  \<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"breakdel file Xscript  ", @:)
+  call feedkeys(":breakdel file X1B2C3\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"breakdel file X1B2C3", @:)
+
+  " Test for :breakdel func [lnum] <function>
+  func Xbreak_func()
+  endfunc
+  call feedkeys(":breakdel func Xbr\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"breakdel func Xbreak_func", @:)
+  call feedkeys(":breakdel   func   Xbr\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"breakdel   func   Xbreak_func", @:)
+  call feedkeys(":breakdel func 20 Xbr\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"breakdel func 20 Xbreak_func", @:)
+  call feedkeys(":breakdel   func   20   Xbr\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"breakdel   func   20   Xbreak_func", @:)
+  call feedkeys(":breakdel func 20x Xbr\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"breakdel func 20x Xbr\t", @:)
+  call feedkeys(":breakdel func 20\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"breakdel func 20\t", @:)
+  call feedkeys(":breakdel func 20x\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"breakdel func 20x\t", @:)
+  call feedkeys(":breakdel func Xbreak_func  \<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"breakdel func Xbreak_func  ", @:)
+  call feedkeys(":breakdel func X1B2C3\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"breakdel func X1B2C3", @:)
+  delfunc Xbreak_func
+
+  " Test for :breakdel here
+  call feedkeys(":breakdel here Xtest\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"breakdel here Xtest", @:)
+  call feedkeys(":breakdel   here   Xtest\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"breakdel   here   Xtest", @:)
+  call feedkeys(":breakdel here \<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"breakdel here ", @:)
+endfunc
+
+" Test for :scriptnames argument completion
+func Test_cmdline_complete_scriptnames()
+  set wildmenu
+  call writefile(['let a = 1'], 'Xa1b2c3.vim', 'D')
+  source Xa1b2c3.vim
+  call feedkeys(":script \<Tab>\<Left>\<Left>\<C-B>\"\<CR>", 'tx')
+  call assert_match("\"script .*Xa1b2c3.vim$", @:)
+  call feedkeys(":script    \<Tab>\<Left>\<Left>\<C-B>\"\<CR>", 'tx')
+  call assert_match("\"script .*Xa1b2c3.vim$", @:)
+  call feedkeys(":script b2c3\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"script b2c3", @:)
+  call feedkeys(":script 2\<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_match("\"script 2\<Tab>$", @:)
+  call feedkeys(":script \<Tab>\<Left>\<Left> \<Tab>\<C-B>\"\<CR>", 'tx')
+  call assert_match("\"script .*Xa1b2c3.vim $", @:)
+  call feedkeys(":script \<Tab>\<Left>\<C-B>\"\<CR>", 'tx')
+  call assert_equal("\"script ", @:)
+  call assert_match('Xa1b2c3.vim$', getcompletion('.*Xa1b2.*', 'scriptnames')[0])
+  call assert_equal([], getcompletion('Xa1b2', 'scriptnames'))
+  new
+  call feedkeys(":script \<Tab>\<Left>\<Left>\<CR>", 'tx')
+  call assert_equal('Xa1b2c3.vim', fnamemodify(@%, ':t'))
+  bw!
+  set wildmenu&
+endfunc
+
+" this was going over the end of IObuff
+func Test_report_error_with_composing()
+  let caught = 'no'
+  try
+    exe repeat('0', 987) .. "0\xdd\x80\xdd\x80\xdd\x80\xdd\x80"
+  catch /E492:/
+    let caught = 'yes'
+  endtry
+  call assert_equal('yes', caught)
+endfunc
+
+" Test for expanding 2-letter and 3-letter :substitute command arguments.
+" These commands don't accept an argument.
+func Test_cmdline_complete_substitute_short()
+  for cmd in ['sc', 'sce', 'scg', 'sci', 'scI', 'scn', 'scp', 'scl',
+        \ 'sgc', 'sge', 'sg', 'sgi', 'sgI', 'sgn', 'sgp', 'sgl', 'sgr',
+        \ 'sic', 'sie', 'si', 'siI', 'sin', 'sip', 'sir',
+        \ 'sIc', 'sIe', 'sIg', 'sIi', 'sI', 'sIn', 'sIp', 'sIl', 'sIr',
+        \ 'src', 'srg', 'sri', 'srI', 'srn', 'srp', 'srl', 'sr']
+    call feedkeys(':' .. cmd .. " \<Tab>\<C-B>\"\<CR>", 'tx')
+    call assert_equal('"' .. cmd .. " \<Tab>", @:)
+  endfor
+endfunc
+
+" Test for :! shell command argument completion
+func Test_cmdline_complete_bang_cmd_argument()
+  set wildoptions=fuzzy
+  call feedkeys(":!vim test_cmdline.\<Tab>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"!vim test_cmdline.vim', @:)
+  set wildoptions&
+  call feedkeys(":!vim test_cmdline.\<Tab>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"!vim test_cmdline.vim', @:)
+endfunc
+
+func Call_cmd_funcs()
+  return string([getcmdpos(), getcmdscreenpos(), getcmdcompltype()])
+endfunc
+
+func Test_screenpos_and_completion()
+  call assert_equal(0, getcmdpos())
+  call assert_equal(0, getcmdscreenpos())
+  call assert_equal('', getcmdcompltype())
+
+  cnoremap <expr> <F2> string([getcmdpos(), getcmdscreenpos(), getcmdcompltype()])
+  call feedkeys(":let a\<F2>\<C-B>\"\<CR>", "xt")
+  call assert_equal("\"let a[6, 7, 'var']", @:)
+  call feedkeys(":quit \<F2>\<C-B>\"\<CR>", "xt")
+  call assert_equal("\"quit [6, 7, '']", @:)
+  call feedkeys(":nosuchcommand \<F2>\<C-B>\"\<CR>", "xt")
+  call assert_equal("\"nosuchcommand [15, 16, '']", @:)
+  cunmap <F2>
+endfunc
+
+func Test_recursive_register()
+  let @= = ''
+  silent! ?e/
+  let caught = 'no'
+  try
+    normal // 
+  catch /E169:/
+    let caught = 'yes'
+  endtry
+  call assert_equal('yes', caught)
+endfunc
+
+func Test_long_error_message()
+  " the error should be truncated, not overrun IObuff
+  silent! norm Q00000000000000     000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000                                                                                                                                                                                                                        
+endfunc
+
+func Test_cmdline_redraw_tabline()
+  CheckRunVimInTerminal
+
+  let lines =<< trim END
+      set showtabline=2
+      autocmd CmdlineEnter * set tabline=foo
+  END
+  call writefile(lines, 'Xcmdline_redraw_tabline', 'D')
+  let buf = RunVimInTerminal('-S Xcmdline_redraw_tabline', #{rows: 6})
+  call term_sendkeys(buf, ':')
+  call WaitForAssert({-> assert_match('^foo', term_getline(buf, 1))})
+
+  call StopVimInTerminal(buf)
+endfunc
+
+func Test_wildmenu_pum_disable_while_shown()
+  set wildoptions=pum
+  set wildmenu
+  cnoremap <F2> <Cmd>set nowildmenu<CR>
+  call feedkeys(":sign \<Tab>\<F2>\<Esc>", 'tx')
+  call assert_equal(0, pumvisible())
+  cunmap <F2>
+  set wildoptions& wildmenu&
+endfunc
+
+func Test_setcmdline()
+  func SetText(text, pos)
+    call assert_equal(0, setcmdline(test_null_string()))
+    call assert_equal('', getcmdline())
+    call assert_equal(1, getcmdpos())
+
+    call assert_equal(0, setcmdline(''[: -1]))
+    call assert_equal('', getcmdline())
+    call assert_equal(1, getcmdpos())
+
+    autocmd CmdlineChanged * let g:cmdtype = expand('<afile>')
+    call assert_equal(0, setcmdline(a:text))
+    call assert_equal(a:text, getcmdline())
+    call assert_equal(len(a:text) + 1, getcmdpos())
+    call assert_equal(getcmdtype(), g:cmdtype)
+    unlet g:cmdtype
+    autocmd! CmdlineChanged
+
+    call assert_equal(0, setcmdline(a:text, a:pos))
+    call assert_equal(a:text, getcmdline())
+    call assert_equal(a:pos, getcmdpos())
+
+    call assert_fails('call setcmdline("' .. a:text .. '", -1)', 'E487:')
+    call assert_fails('call setcmdline({}, 0)', 'E1174:')
+    call assert_fails('call setcmdline("' .. a:text .. '", {})', 'E1210:')
+
+    return ''
+  endfunc
+
+  call feedkeys(":\<C-R>=SetText('set rtp?', 2)\<CR>\<CR>", 'xt')
+  call assert_equal('set rtp?', @:)
+
+  call feedkeys(":let g:str = input('? ')\<CR>", 't')
+  call feedkeys("\<C-R>=SetText('foo', 4)\<CR>\<CR>", 'xt')
+  call assert_equal('foo', g:str)
+  unlet g:str
+
+  delfunc SetText
+
+  " setcmdline() returns 1 when not editing the command line.
+  call assert_equal(1, 'foo'->setcmdline())
+
+  " Called in custom function
+  func CustomComplete(A, L, P)
+    call assert_equal(0, setcmdline("DoCmd "))
+    return "January\nFebruary\nMars\n"
+  endfunc
+
+  com! -nargs=* -complete=custom,CustomComplete DoCmd :
+  call feedkeys(":DoCmd \<C-A>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"DoCmd January February Mars', @:)
+  delcom DoCmd
+  delfunc CustomComplete
+
+  " Called in <expr>
+  cnoremap <expr>a setcmdline('let foo=')
+  call feedkeys(":a\<CR>", 'tx')
+  call assert_equal('let foo=0', @:)
+  cunmap a
+endfunc
+
+func Test_rulerformat_position()
+  CheckScreendump
+
+  let buf = RunVimInTerminal('', #{rows: 2, cols: 20})
+  call term_sendkeys(buf, ":set ruler rulerformat=longish\<CR>")
+  call term_sendkeys(buf, ":set laststatus=0 winwidth=1\<CR>")
+  call term_sendkeys(buf, "\<C-W>v\<C-W>|\<C-W>p")
+  call VerifyScreenDump(buf, 'Test_rulerformat_position', {})
+
+  " clean up
+  call StopVimInTerminal(buf)
+endfunc
+
+" vim: shiftwidth=2 sts=2 expandtab