path: root/src/testdir/test_gui.vim

" Tests specifically for the GUI

source shared.vim
if !CanRunGui()
  throw 'Skipped: cannot run GUI'
endif

source setup_gui.vim

func Setup()
  call GUISetUpCommon()
endfunc

func TearDown()
  call GUITearDownCommon()
endfunc

" Test for resetting "secure" flag after GUI has started.
" Must be run first, since it starts the GUI on Unix.
func Test_1_set_secure()
  set exrc secure
  gui -f
  call assert_equal(1, has('gui_running'))
endfunc

" As for non-GUI, a balloon_show() test was already added with patch 8.0.0401
func Test_balloon_show()
  if has('balloon_eval')
    " This won't do anything but must not crash either.
    call balloon_show('hi!')
  endif
endfunc

func Test_colorscheme()
  let colorscheme_saved = exists('g:colors_name') ? g:colors_name : 'default'
  let g:color_count = 0
  augroup TestColors
    au!
    au ColorScheme * let g:color_count += 1| let g:after_colors = g:color_count
    au ColorSchemePre * let g:color_count += 1 |let g:before_colors = g:color_count
  augroup END

  colorscheme torte
  redraw!
  call assert_equal('dark', &background)
  call assert_equal(1, g:before_colors)
  call assert_equal(2, g:after_colors)
  call assert_equal("\ntorte", execute('colorscheme'))

  let a = substitute(execute('hi Search'), "\n\\s\\+", ' ', 'g')
  call assert_match("\nSearch         xxx term=reverse ctermfg=0 ctermbg=12 gui=bold guifg=Black guibg=Red", a)

  call assert_fails('colorscheme does_not_exist', 'E185:')

  exec 'colorscheme' colorscheme_saved
  augroup TestColors
    au!
  augroup END
  unlet g:color_count g:after_colors g:before_colors
  redraw!
endfunc

func Test_getfontname_with_arg()
  let skipped = ''

  if !g:x11_based_gui
    let skipped = g:not_implemented
  elseif has('gui_athena') || has('gui_motif')
    " Invalid font name. The result should be an empty string.
    call assert_equal('', getfontname('notexist'))

    " Valid font name. This is usually the real name of 7x13 by default.
    let fname = '-Misc-Fixed-Medium-R-Normal--13-120-75-75-C-70-ISO8859-1'
    call assert_match(fname, getfontname(fname))

  elseif has('gui_gtk2') || has('gui_gnome') || has('gui_gtk3')
    " Invalid font name. The result should be the name plus the default size.
    call assert_equal('notexist 10', getfontname('notexist'))

    " Valid font name. This is usually the real name of Monospace by default.
    let fname = 'Bitstream Vera Sans Mono 12'
    call assert_equal(fname, getfontname(fname))
  endif

  if !empty(skipped)
    throw skipped
  endif
endfunc

func Test_getfontname_without_arg()
  let skipped = ''

  let fname = getfontname()

  if !g:x11_based_gui
    let skipped = g:not_implemented
  elseif has('gui_kde')
    " 'expected' is the value specified by SetUp() above.
    call assert_equal('Courier 10 Pitch/8/-1/5/50/0/0/0/0/0', fname)
  elseif has('gui_athena') || has('gui_motif')
    " 'expected' is DFLT_FONT of gui_x11.c or its real name.
    let pat = '\(7x13\)\|\(\c-Misc-Fixed-Medium-R-Normal--13-120-75-75-C-70-ISO8859-1\)'
    call assert_match(pat, fname)
  elseif has('gui_gtk2') || has('gui_gnome') || has('gui_gtk3')
    " 'expected' is DEFAULT_FONT of gui_gtk_x11.c.
    call assert_equal('Monospace 10', fname)
  endif

  if !empty(skipped)
    throw skipped
  endif
endfunc

func Test_getwinpos()
  call assert_match('Window position: X \d\+, Y \d\+', execute('winpos'))
  call assert_true(getwinposx() >= 0)
  call assert_true(getwinposy() >= 0)
  call assert_equal([getwinposx(), getwinposy()], getwinpos())
endfunc

func Test_quoteplus()
  let skipped = ''

  if !g:x11_based_gui
    let skipped = g:not_supported . 'quoteplus'
  else
    let quoteplus_saved = @+

    let test_call     = 'Can you hear me?'
    let test_response = 'Yes, I can.'
    let vim_exe = exepath(v:progpath)
    let testee = 'VIMRUNTIME=' . $VIMRUNTIME . '; export VIMRUNTIME;'
          \ . vim_exe
	  \ . ' -u NONE -U NONE --noplugin --not-a-term -c ''%s'''
    " Ignore the "failed to create input context" error.
    let cmd = 'call test_ignore_error("E285") | '
	  \ . 'gui -f | '
	  \ . 'call feedkeys("'
          \ . '\"+p'
          \ . ':s/' . test_call . '/' . test_response . '/\<CR>'
          \ . '\"+yis'
          \ . ':q!\<CR>", "tx")'
    let run_vimtest = printf(testee, cmd)

    " Set the quoteplus register to test_call, and another gvim will launched.
    " Then, it first tries to paste the content of its own quotedplus register
    " onto it.  Second, it tries to substitute test_response for the pasted
    " sentence.  If the sentence is identical to test_call, the substitution
    " should succeed.  Third, it tries to yank the result of the substitution
    " to its own quoteplus register, and last it quits.  When system()
    " returns, the content of the quoteplus register should be identical to
    " test_response if those quoteplus registers are synchronized properly
    " with/through the X11 clipboard.
    let @+ = test_call
    call system(run_vimtest)
    call assert_equal(test_response, @+)

    let @+ = quoteplus_saved
  endif

  if !empty(skipped)
    throw skipped
  endif
endfunc

func Test_set_background()
  let background_saved = &background

  set background&
  call assert_equal('light', &background)

  set background=dark
  call assert_equal('dark', &background)

  let &background = background_saved
endfunc

func Test_set_balloondelay()
  if !exists('+balloondelay')
    return
  endif

  let balloondelay_saved = &balloondelay

  " Check if the default value is identical to that described in the manual.
  set balloondelay&
  call assert_equal(600, &balloondelay)

  " Edge cases

  " XXX This fact should be hidden so that people won't be tempted to write
  " plugin/TimeMachine.vim.  TODO Add reasonable range checks to the source
  " code.
  set balloondelay=-1
  call assert_equal(-1, &balloondelay)

  " Though it's possible to interpret the zero delay to be 'as soon as
  " possible' or even 'indefinite', its actual meaning depends on the GUI
  " toolkit in use after all.
  set balloondelay=0
  call assert_equal(0, &balloondelay)

  set balloondelay=1
  call assert_equal(1, &balloondelay)

  " Since p_bdelay is of type long currently, the upper bound can be
  " impractically huge and machine-dependent.  Practically, it's sufficient
  " to check if balloondelay works with 0x7fffffff (32 bits) for now.
  set balloondelay=2147483647
  call assert_equal(2147483647, &balloondelay)

  let &balloondelay = balloondelay_saved
endfunc

func Test_set_ballooneval()
  if !exists('+ballooneval')
    return
  endif

  let ballooneval_saved = &ballooneval

  set ballooneval&
  call assert_equal(0, &ballooneval)

  set ballooneval
  call assert_notequal(0, &ballooneval)

  set noballooneval
  call assert_equal(0, &ballooneval)

  let &ballooneval = ballooneval_saved
endfunc

func Test_set_balloonexpr()
  if !exists('+balloonexpr')
    return
  endif

  let balloonexpr_saved = &balloonexpr

  " Default value
  set balloonexpr&
  call assert_equal('', &balloonexpr)

  " User-defined function
  new
  func MyBalloonExpr()
      return 'Cursor is at line ' . v:beval_lnum .
	      \', column ' . v:beval_col .
	      \ ' of file ' .  bufname(v:beval_bufnr) .
	      \ ' on word "' . v:beval_text . '"' .
	      \ ' in window ' . v:beval_winid . ' (#' . v:beval_winnr . ')'
  endfunc
  setl balloonexpr=MyBalloonExpr()
  setl ballooneval
  call assert_equal('MyBalloonExpr()', &balloonexpr)
  " TODO Read non-empty text, place the pointer at a character of a word,
  " and check if the content of the balloon is the same as what is expected.
  " Also, check if textlock works as expected.
  setl balloonexpr&
  call assert_equal('', &balloonexpr)
  delfunc MyBalloonExpr
  bwipe!

  " Multiline support
  if has('balloon_multiline')
    " Multiline balloon using NL
    new
    func MyBalloonFuncForMultilineUsingNL()
      return "Multiline\nSuppported\nBalloon\nusing NL"
    endfunc
    setl balloonexpr=MyBalloonFuncForMultilineUsingNL()
    setl ballooneval
    call assert_equal('MyBalloonFuncForMultilineUsingNL()', &balloonexpr)
    " TODO Read non-empty text, place the pointer at a character of a word,
    " and check if the content of the balloon is the same as what is
    " expected.  Also, check if textlock works as expected.
    setl balloonexpr&
    delfunc MyBalloonFuncForMultilineUsingNL
    bwipe!

    " Multiline balloon using List
    new
    func MyBalloonFuncForMultilineUsingList()
      return [ 'Multiline', 'Suppported', 'Balloon', 'using List' ]
    endfunc
    setl balloonexpr=MyBalloonFuncForMultilineUsingList()
    setl ballooneval
    call assert_equal('MyBalloonFuncForMultilineUsingList()', &balloonexpr)
    " TODO Read non-empty text, place the pointer at a character of a word,
    " and check if the content of the balloon is the same as what is
    " expected.  Also, check if textlock works as expected.
    setl balloonexpr&
    delfunc MyBalloonFuncForMultilineUsingList
    bwipe!
  endif

  let &balloonexpr = balloonexpr_saved
endfunc

" Invalid arguments are tested with test_options in conjunction with segfaults
" caused by them (Patch 8.0.0357, 24922ec233).
func Test_set_guicursor()
  let guicursor_saved = &guicursor

  let default = [
        \ "n-v-c:block-Cursor/lCursor",
        \ "ve:ver35-Cursor",
        \ "o:hor50-Cursor",
        \ "i-ci:ver25-Cursor/lCursor",
        \ "r-cr:hor20-Cursor/lCursor",
        \ "sm:block-Cursor-blinkwait175-blinkoff150-blinkon175"
        \ ]

  " Default Value
  set guicursor&
  call assert_equal(join(default, ','), &guicursor)

  " Argument List Example 1
  let opt_list = copy(default)
  let opt_list[0] = "n-c-v:block-nCursor"
  exec "set guicursor=" . join(opt_list, ',')
  call assert_equal(join(opt_list, ','), &guicursor)
  unlet opt_list

  " Argument List Example 2
  let opt_list = copy(default)
  let opt_list[3] = "i-ci:ver30-iCursor-blinkwait300-blinkon200-blinkoff150"
  exec "set guicursor=" . join(opt_list, ',')
  call assert_equal(join(opt_list, ','), &guicursor)
  unlet opt_list

  " 'a' Mode
  set guicursor&
  let &guicursor .= ',a:blinkon0'
  call assert_equal(join(default, ',') . ",a:blinkon0", &guicursor)

  let &guicursor = guicursor_saved
endfunc

func Test_set_guifont()
  let skipped = ''

  let guifont_saved = &guifont
  if has('xfontset')
    &