" Tests for editing the command line.

func Test_complete_tab()
  call writefile(['testfile'], 'Xtestfile')
  call feedkeys(":e Xtest\t\r", "tx")
  call assert_equal('testfile', getline(1))
  call delete('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'))
endfunc

func Test_complete_wildmenu()
  call writefile(['testfile1'], 'Xtestfile1')
  call writefile(['testfile2'], 'Xtestfile2')
  set wildmenu
  call feedkeys(":e Xtest\t\t\r", "tx")
  call assert_equal('testfile2', getline(1))

  call delete('Xtestfile1')
  call delete('Xtestfile2')
  set nowildmenu
endfunc

func Test_getcompletion()
  if !has('cmdline_compl')
    return
  endif
  let groupcount = len(getcompletion('', 'event'))
  call assert_true(groupcount > 0)
  let matchcount = len(getcompletion('File', '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)
  endif

  call assert_fails('call getcompletion("", "burp")', 'E475:')
endfunc