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path: root/src/testdir/test_conceal.vim
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" Tests for 'conceal'.

source check.vim
CheckFeature conceal

source screendump.vim
source view_util.vim

func Test_conceal_two_windows()
  CheckScreendump

  let code =<< trim [CODE]
    let lines = ["one one one one one", "two |hidden| here", "three |hidden| three"]
    call setline(1, lines)
    syntax match test /|hidden|/ conceal
    set conceallevel=2
    set concealcursor=
    exe "normal /here\r"
    new
    call setline(1, lines)
    call setline(4, "Second window")
    syntax match test /|hidden|/ conceal
    set conceallevel=2
    set concealcursor=nc
    exe "normal /here\r"
  [CODE]

  call writefile(code, 'XTest_conceal', 'D')
  " Check that cursor line is concealed
  let buf = RunVimInTerminal('-S XTest_conceal', {})
  call VerifyScreenDump(buf, 'Test_conceal_two_windows_01', {})

  " Check that with concealed text vertical cursor movement is correct.
  call term_sendkeys(buf, "k")
  call VerifyScreenDump(buf, 'Test_conceal_two_windows_02', {})

  " Check that with cursor line is not concealed
  call term_sendkeys(buf, "j")
  call term_sendkeys(buf, ":set concealcursor=\r")
  call VerifyScreenDump(buf, 'Test_conceal_two_windows_03', {})

  " Check that with cursor line is not concealed when moving cursor down
  call term_sendkeys(buf, "j")
  call VerifyScreenDump(buf, 'Test_conceal_two_windows_04', {})

  " Check that with cursor line is not concealed when switching windows
  call term_sendkeys(buf, "\<C-W>\<C-W>")
  call VerifyScreenDump(buf, 'Test_conceal_two_windows_05', {})

  " Check that with cursor line is only concealed in Normal mode
  call term_sendkeys(buf, ":set concealcursor=n\r")
  call VerifyScreenDump(buf, 'Test_conceal_two_windows_06n', {})
  call term_sendkeys(buf, "a")
  call VerifyScreenDump(buf, 'Test_conceal_two_windows_06i', {})
  call term_sendkeys(buf, "\<Esc>/e")
  call VerifyScreenDump(buf, 'Test_conceal_two_windows_06c', {})
  call term_sendkeys(buf, "\<Esc>v")
  call VerifyScreenDump(buf, 'Test_conceal_two_windows_06v', {})
  call term_sendkeys(buf, "\<Esc>")

  " Check that with cursor line is only concealed in Insert mode
  call term_sendkeys(buf, ":set concealcursor=i\r")
  call VerifyScreenDump(buf, 'Test_conceal_two_windows_07n', {})
  call term_sendkeys(buf, "14|a")
  call VerifyScreenDump(buf, 'Test_conceal_two_windows_07i', {})
  call term_sendkeys(buf, "\<Esc>")
  call VerifyScreenDump(buf, 'Test_conceal_two_windows_07in', {})
  call term_sendkeys(buf, "/e")
  call VerifyScreenDump(buf, 'Test_conceal_two_windows_07c', {})
  call term_sendkeys(buf, "\<Esc>v")
  call VerifyScreenDump(buf, 'Test_conceal_two_windows_07v', {})
  call term_sendkeys(buf, "\<Esc>")

  " Check that with cursor line is only concealed in Command mode
  call term_sendkeys(buf, ":set concealcursor=c\r")
  call VerifyScreenDump(buf, 'Test_conceal_two_windows_08n', {})
  call term_sendkeys(buf, "a")
  call VerifyScreenDump(buf, 'Test_conceal_two_windows_08i', {})
  call term_sendkeys(buf, "\<Esc>/e")
  call VerifyScreenDump(buf, 'Test_conceal_two_windows_08c', {})
  call term_sendkeys(buf, "\<Esc>v")
  call VerifyScreenDump(buf, 'Test_conceal_two_windows_08v', {})
  call term_sendkeys(buf, "\<Esc>")

  " Check that with cursor line is only concealed in Visual mode
  call term_sendkeys(buf, ":set concealcursor=v\r")
  call VerifyScreenDump(buf, 'Test_conceal_two_windows_09n', {})
  call term_sendkeys(buf, "a")
  call VerifyScreenDump(buf, 'Test_conceal_two_windows_09i', {})
  call term_sendkeys(buf, "\<Esc>/e")
  call VerifyScreenDump(buf, 'Test_conceal_two_windows_09c', {})
  call term_sendkeys(buf, "\<Esc>v")
  call VerifyScreenDump(buf, 'Test_conceal_two_windows_09v', {})
  call term_sendkeys(buf, "\<Esc>")

  " Check moving the cursor while in insert mode.
  call term_sendkeys(buf, ":set concealcursor=\r")
  call term_sendkeys(buf, "a")
  call VerifyScreenDump(buf, 'Test_conceal_two_windows_10', {})
  call term_sendkeys(buf, "\<Down>")
  call VerifyScreenDump(buf, 'Test_conceal_two_windows_11', {})
  call term_sendkeys(buf, "\<Esc>")

  " Check the "o" command
  call VerifyScreenDump(buf, 'Test_conceal_two_windows_12', {})
  call term_sendkeys(buf, "o")
  call VerifyScreenDump(buf, 'Test_conceal_two_windows_13', {})
  call term_sendkeys(buf, "\<Esc>")

  " clean up
  call StopVimInTerminal(buf)
endfunc

func Test_conceal_with_cursorline()
  CheckScreendump

  " Opens a help window, where 'conceal' is set, switches to the other window
  " where 'cursorline' needs to be updated when the cursor moves.
  let code =<< trim [CODE]
    set cursorline
    normal othis is a test
    new
    call setline(1, ["one", "two", "three", "four", "five"])
    set ft=help
    normal M
  [CODE]

  call writefile(code, 'XTest_conceal_cul', 'D')
  let buf = RunVimInTerminal('-S XTest_conceal_cul', {})
  call VerifyScreenDump(buf, 'Test_conceal_cul_01', {})

  call term_sendkeys(buf, ":wincmd w\r")
  call VerifyScreenDump(buf, 'Test_conceal_cul_02', {})

  call term_sendkeys(buf, "k")
  call VerifyScreenDump(buf, 'Test_conceal_cul_03', {})

  " clean up
  call StopVimInTerminal(buf)
endfunc

func Test_conceal_with_cursorcolumn()
  CheckScreendump

  " Check that cursorcolumn and colorcolumn don't get broken in presence of
  " wrapped lines containing concealed text
  let code =<< trim [CODE]
    let lines = ["one one one |hidden| one one one one one one one one",
          \ "two two two two |hidden| here two two",
          \ "three |hidden| three three three three three three three three"]
    call setline(1, lines)
    set wrap linebreak
    set showbreak=\ >>>\ 
    syntax match test /|hidden|/ conceal
    set conceallevel=2
    set concealcursor=
    exe "normal /here\r"
    set cursorcolumn
    set colorcolumn=50
  [CODE]

  call writefile(code, 'XTest_conceal_cuc', 'D')
  let buf = RunVimInTerminal('-S XTest_conceal_cuc', {'rows': 10, 'cols': 40})
  call VerifyScreenDump(buf, 'Test_conceal_cuc_01', {})

  " move cursor to the end of line (the cursor jumps to the next screen line)
  call term_sendkeys(buf, "$")
  call VerifyScreenDump(buf, 'Test_conceal_cuc_02', {})

  " clean up
  call StopVimInTerminal(buf)
endfunc

func Test_conceal_resize_term()
  CheckScreendump

  let code =<< trim [CODE]
    call setline(1, '`one` `two` `three` `four` `five`, the backticks should be concealed')
    setl cocu=n cole=3
    syn region CommentCodeSpan matchgroup=Comment start=/`/ end=/`/ concealends
    normal fb
  [CODE]
  call writefile(code, 'XTest_conceal_resize', 'D')
  let buf = RunVimInTerminal('-S XTest_conceal_resize', {'rows': 6})
  call VerifyScreenDump(buf, 'Test_conceal_resize_01', {})

  call win_execute(buf->win_findbuf()[0], 'wincmd +')
  call VerifyScreenDump(buf, 'Test_conceal_resize_02', {})

  " clean up
  call StopVimInTerminal(buf)
endfunc

func Test_conceal_linebreak()
  CheckScreendump

  let code =<< trim [CODE]
      vim9script
      &wrap = true
      &conceallevel = 2
      &concealcursor = 'nc'
      &linebreak = true
      &showbreak = '+ '
      var line: string = 'a`a`a`a`'
          .. 'a'->repeat(&columns - 15)
          .. ' b`b`'
          .. 'b'->repeat(&columns - 10)
          .. ' cccccc'
      ['x'->repeat(&columns), '', line]->setline(1)
      syntax region CodeSpan matchgroup=Delimiter start=/\z(`\+\)/ end=/\z1/ concealends
  [CODE]
  call writefile(code, 'XTest_conceal_linebreak', 'D')
  let buf = RunVimInTerminal('-S XTest_conceal_linebreak', {'rows': 8})
  call VerifyScreenDump(buf, 'Test_conceal_linebreak_1', {})

  " clean up
  call StopVimInTerminal(buf)
endfunc

" Tests for correct display (cursor column position) with +conceal and
" tabulators.  Need to run this test in a separate Vim instance. Otherwise the
" screen is not updated (lazy redraw) and the cursor position is wrong.
func Test_conceal_cursor_pos()
  let code =<< trim [CODE]
    :let l = ['start:', '.concealed.     text', "|concealed|\ttext"]
    :let l += ['', "\t.concealed.\ttext", "\t|concealed|\ttext", '']
    :let l += [".a.\t.b.\t.c.\t.d.", "|a|\t|b|\t|c|\t|d|"]
    :call append(0, l)
    :call cursor(1, 1)
    :" Conceal settings.
    :set conceallevel=2
    :set concealcursor=nc
    :syntax match test /|/ conceal
    :" Save current cursor position. Only works in <expr> mode, can't be used
    :" with :normal because it moves the cursor to the command line. Thanks
    :" to ZyX <zyx.vim@gmail.com> for the idea to use an <expr> mapping.
    :let curpos = []
    :nnoremap <expr> GG ":let curpos += ['".screenrow().":".screencol()."']\n"
    :normal ztj
    GGk
    :" We should end up in the same column when running these commands on the
    :" two lines.
    :normal ft
    GGk
    :normal $
    GGk
    :normal 0j
    GGk
    :normal ft
    GGk
    :normal $
    GGk
    :normal 0j0j
    GGk
    :" Same for next test block.
    :normal ft
    GGk
    :normal $
    GGk
    :normal 0j
    GGk
    :normal ft
    GGk
    :normal $
    GGk
    :normal 0j0j
    GGk
    :" And check W with multiple tabs and conceals in a line.
    :normal W
    GGk
    :normal W
    GGk
    :normal W
    GGk
    :normal $
    GGk
    :normal 0j
    GGk
    :normal W
    GGk
    :normal W
    GGk
    :normal W
    GGk
    :normal $
    GGk
    :set lbr
    :normal $
    GGk
    :set list listchars=tab:>-
    :normal 0
    GGk
    :normal W
    GGk
    :normal W
    GGk
    :normal W
    GGk
    :normal $
    GGk
    :call writefile(curpos, 'Xconceal_curpos.out')
    :q!

  [CODE]
  call writefile(code, 'XTest_conceal_curpos', 'D')

  if RunVim([], [], '-s XTest_conceal_curpos')
    call assert_equal([
          \ '2:1', '2:17', '2:20', '3:1', '3:17', '3:20', '5:8', '5:25',
          \ '5:28', '6:8', '6:25', '6:28', '8:1', '8:9', '8:17', '8:25',
          \ '8:27', '9:1', '9:9', '9:17', '9:25', '9:26', '9:26', '9:1',
          \ '9:9', '9:17', '9:25', '9:26'], readfile('Xconceal_curpos.out'))
  endif

  call delete('Xconceal_curpos.out')
endfunc

func Test_conceal_eol()
  new!
  setlocal concealcursor=n conceallevel=1
  call setline(1, ["x", ""])
  call matchaddpos('Conceal', [[2, 1, 1]], 2, -1, {'conceal': 1})
  redraw!

  call assert_notequal(screenchar(1, 1), screenchar(2, 2))
  call assert_equal(screenattr(1, 1), screenattr(1, 2))
  call assert_equal(screenattr(1, 2), screenattr(2, 2))
  call assert_equal(screenattr(2, 1), screenattr(2, 2))

  set list
  redraw!

  call assert_equal(screenattr(1, 1), screenattr(2, 2))
  call assert_notequal(screenattr(1, 1), screenattr(1, 2))
  call assert_notequal(screenattr(1, 2), screenattr(2, 1))

  set nolist
endfunc

func Test_conceal_mouse_click()
  enew!
  set mouse=a
  setlocal conceallevel=2 concealcursor=nc
  syn match Concealed "this" conceal
  hi link Concealed Search
  call setline(1, 'conceal this click here')
  redraw
  call assert_equal(['conceal  click here '], ScreenLines(1, 20))

  " click on 'h' of "here" puts cursor there
  call test_setmouse(1, 16)
  call feedkeys("\<LeftMouse>", "tx")
  call assert_equal([0, 1, 20, 0, 20], getcurpos())

  bwipe!
  set mouse&
endfunc

" vim: shiftwidth=2 sts=2 expandtab