Test for various eval features.   vim: set ft=vim :

Note: system clipboard is saved, changed and restored.

clipboard contents
something else

STARTTEST
:so small.vim
:set encoding=latin1
:set noswapfile
:lang C
:fun AppendRegContents(reg)
  call AppendRegParts(a:reg, getregtype(a:reg), getreg(a:reg), string(getreg(a:reg, 0, 1)), getreg(a:reg, 1), string(getreg(a:reg, 1, 1)))
:endfun
:fun AppendRegParts(reg, type, cont, strcont, cont1, strcont1)
  call append('$', printf('%s: type %s; value: %s (%s), expr: %s (%s)', a:reg, a:type, a:cont, a:strcont, a:cont1, a:strcont1))
endfun
:command -nargs=? AR :call AppendRegContents(<q-args>)
:fun SetReg(...)
    call call('setreg', a:000)
    call append('$', printf('{{{2 setreg(%s)', string(a:000)[1:-2]))
    call AppendRegContents(a:1)
    if a:1 isnot# '='
        execute "silent normal! Go==\n==\e\"".a:1."P"
    endif
endfun
:fun ErrExe(str)
    call append('$', 'Executing '.a:str)
    try
        execute a:str
    catch
        $put =v:exception
    endtry
endfun
:fun Test()
$put ='{{{1 let tests'
let @" = 'abc'
AR "
let @" = "abc\n"
AR "
let @" = "abc\<C-m>"
AR "
let @= = '"abc"'
AR =

$put ='{{{1 Basic setreg tests'
call SetReg('a', 'abcA', 'c')
call SetReg('b', 'abcB', 'v')
call SetReg('c', 'abcC', 'l')
call SetReg('d', 'abcD', 'V')
call SetReg('e', 'abcE', 'b')
call SetReg('f', 'abcF', "\<C-v>")
call SetReg('g', 'abcG', 'b10')
call SetReg('h', 'abcH', "\<C-v>10")
call SetReg('I', 'abcI')

$put ='{{{1 Appending single lines with setreg()'
call SetReg('A', 'abcAc', 'c')
call SetReg('A', 'abcAl', 'l')
call SetReg('A', 'abcAc2','c')
call SetReg('b', 'abcBc', 'ca')
call SetReg('b', 'abcBb', 'ba')
call SetReg('b', 'abcBc2','ca')
call SetReg('b', 'abcBb2','b50a')

call SetReg('C', 'abcCl', 'l')
call SetReg('C', 'abcCc', 'c')
call SetReg('D', 'abcDb', 'b')

call SetReg('E', 'abcEb', 'b')
call SetReg('E', 'abcEl', 'l')
call SetReg('F', 'abcFc', 'c')

$put ='{{{1 Appending NL with setreg()'
call setreg('a', 'abcA2', 'c')
call setreg('b', 'abcB2', 'v')
call setreg('c', 'abcC2', 'l')
call setreg('d', 'abcD2', 'V')
call setreg('e', 'abcE2', 'b')
call setreg('f', 'abcF2', "\<C-v>")
call setreg('g', 'abcG2', 'b10')
call setreg('h', 'abcH2', "\<C-v>10")
call setreg('I', 'abcI2')

call SetReg('A', "\n")
call SetReg('B', "\n", 'c')
call SetReg('C', "\n")
call SetReg('D', "\n", 'l')
call SetReg('E', "\n")
call SetReg('F', "\n", 'b')

$put ='{{{1 Setting lists with setreg()'
call SetReg('a', ['abcA3'], 'c')
call SetReg('b', ['abcB3'], 'l')
call SetReg('c', ['abcC3'], 'b')
call SetReg('d', ['abcD3'])
call SetReg('e', [1, 2, 'abc', 3])
call SetReg('f', [1, 2, 3])

$put ='{{{1 Appending lists with setreg()'
call SetReg('A', ['abcA3c'], 'c')
call SetReg('b', ['abcB3l'], 'la')
call SetReg('C', ['abcC3b'], 'lb')
call SetReg('D', ['abcD32'])

call SetReg('A', ['abcA32'])
call SetReg('B', ['abcB3c'], 'c')
call SetReg('C', ['abcC3l'], 'l')
call SetReg('D', ['abcD3b'], 'b')

$put ='{{{1 Appending lists with NL with setreg()'
call SetReg('A', ["\n", 'abcA3l2'], 'l')
call SetReg('B', ["\n", 'abcB3c2'], 'c')
call SetReg('C', ["\n", 'abcC3b2'], 'b')
call SetReg('D', ["\n", 'abcD3b50'],'b50')

$put ='{{{1 Setting lists with NLs with setreg()'
call SetReg('a', ['abcA4-0', "\n", "abcA4-2\n", "\nabcA4-3", "abcA4-4\nabcA4-4-2"])
call SetReg('b', ['abcB4c-0', "\n", "abcB4c-2\n", "\nabcB4c-3", "abcB4c-4\nabcB4c-4-2"], 'c')
call SetReg('c', ['abcC4l-0', "\n", "abcC4l-2\n", "\nabcC4l-3", "abcC4l-4\nabcC4l-4-2"], 'l')
call SetReg('d', ['abcD4b-0', "\n", "abcD4b-2\n", "\nabcD4b-3", "abcD4b-4\nabcD4b-4-2"], 'b')
call SetReg('e', ['abcE4b10-0', "\n", "abcE4b10-2\n", "\nabcE4b10-3", "abcE4b10-4\nabcE4b10-4-2"], 'b10')

$put ='{{{1 Search and expressions'
call SetReg('/', ['abc/'])
call SetReg('/', ["abc/\n"])
call SetReg('=', ['"abc/"'])
call SetReg('=', ["\"abc/\n\""])
$put ='{{{1 System clipboard'
if has('clipboard')
" Save and restore system clipboard.
" If no connection to X-Server is possible, test should succeed.
let _clipreg = ['*', getreg('*'), getregtype('*')]
let _clipopt = &cb
let &cb='unnamed'
5y
AR *
tabdo :windo :echo "hi"
6y
AR *
let &cb=_clipopt
call call('setreg', _clipreg)
else
  call AppendRegParts('*', 'V', "clipboard contents\n", "['clipboard contents']", "clipboard contents\n", "['clipboard contents']")
  call AppendRegParts('*', 'V', "something else\n", "['something else']", "something else\n", "['something else']")
endif
$put ='{{{1 Errors'
call ErrExe('call setreg()')
call ErrExe('call setreg(1)')
call ErrExe('call setreg(1, 2, 3, 4)')
call ErrExe('call setreg([], 2)')
call ErrExe('call setreg(1, {})')
call ErrExe('call setreg(1, 2, [])')
call ErrExe('call setreg("/", ["1", "2"])')
call ErrExe('call setreg("=", ["1", "2"])')
call ErrExe('call setreg(1, ["", "", [], ""])')
endfun
:"
:call Test()
:"
:delfunction SetReg
:delfunction AppendRegContents
:delfunction ErrExe
:delfunction Test
:delcommand AR
:call garbagecollect(1)
:"
:" function name not starting with capital
:try
:func! g:test()
:echo "test"
:endfunc
:catch
:$put =v:exception
:endtry
:"
:" function name includes a colon
:try
:func! b:test()
:echo "test"
:endfunc
:catch
:$put =v:exception
:endtry
:"
:" function name folowed by #
:try
:func! test2() "#
:echo "test2"
:endfunc
:catch
:$put =v:exception
:endtry
:"
:" function name starting with/without "g:", buffer-local funcref.
:function! g:Foo(n)
:  $put ='called Foo(' . a:n . ')'
:endfunction
:let b:my_func = function('Foo')
:call b:my_func(1)
:echo g:Foo(2)
:echo Foo(3)
:"
:" script-local function used in Funcref must exist.
:so test_eval_func.vim
:"
:" Using $ instead of '$' must give an error
:try
: call append($, 'foobar')
:catch
:$put =v:exception
:endtry
:"
:$put ='{{{1 getcurpos/setpos'
/^012345678
6l:let sp = getcurpos()
0:call setpos('.', sp)
jyl:$put
:"
:" substring and variable name
:let str = 'abcdef'
:let n = 3
:$put =str[n:]
:$put =str[:n]
:$put =str[n:n]
:unlet n
:let nn = 3
:$put =str[nn:]
:$put =str[:nn]
:$put =str[nn:nn]
:unlet nn
:let b:nn = 4
:$put =str[b:nn:]
:$put =str[:b:nn]
:$put =str[b:nn:b:nn]
:unlet b:nn
:"
:/^start:/+1,$wq! test.out
:" vim: et ts=4 isk-=\: fmr=???,???
:call getchar()
ENDTEST

012345678
012345678

start: