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				synced 2025-11-04 09:44:31 +00:00 
			
		
		
		
	
		
			
				
	
	
		
			985 lines
		
	
	
		
			37 KiB
		
	
	
	
		
			Lua
		
	
	
	
	
	
			
		
		
	
	
			985 lines
		
	
	
		
			37 KiB
		
	
	
	
		
			Lua
		
	
	
	
	
	
local helpers = require('test.functional.helpers')(after_each)
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local Screen = require('test.functional.ui.screen')
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local eq = helpers.eq
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local feed = helpers.feed
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local clear = helpers.clear
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local meths = helpers.meths
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local funcs = helpers.funcs
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local source = helpers.source
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local dedent = helpers.dedent
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local command = helpers.command
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local curbufmeths = helpers.curbufmeths
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local screen
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-- Bug in input() handling: :redraw! will erase the whole prompt up until
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-- user types something. It exists in Vim as well, so using `h<BS>` as
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-- a workaround.
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local function redraw_input()
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  feed('{REDRAW}h<BS>')
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end
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before_each(function()
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  clear()
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  screen = Screen.new(40, 8)
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  screen:attach()
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  source([[
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    highlight RBP1 guibg=Red
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    highlight RBP2 guibg=Yellow
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    highlight RBP3 guibg=Green
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    highlight RBP4 guibg=Blue
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    let g:NUM_LVLS = 4
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    function Redraw()
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      redraw!
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      return ''
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    endfunction
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    let g:id = ''
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    cnoremap <expr> {REDRAW} Redraw()
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    function DoPrompt(do_return) abort
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      let id = g:id
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      let Cb = g:Nvim_color_input{g:id}
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      let out = input({'prompt': ':', 'highlight': Cb})
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      let g:out{id} = out
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      return (a:do_return ? out : '')
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    endfunction
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    nnoremap <expr> {PROMPT} DoPrompt(0)
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    cnoremap <expr> {PROMPT} DoPrompt(1)
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    function RainBowParens(cmdline)
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      let ret = []
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      let i = 0
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      let lvl = 0
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      while i < len(a:cmdline)
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        if a:cmdline[i] is# '('
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          call add(ret, [i, i + 1, 'RBP' . ((lvl % g:NUM_LVLS) + 1)])
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          let lvl += 1
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        elseif a:cmdline[i] is# ')'
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          let lvl -= 1
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          call add(ret, [i, i + 1, 'RBP' . ((lvl % g:NUM_LVLS) + 1)])
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        endif
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        let i += 1
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      endwhile
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      return ret
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    endfunction
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    function SplittedMultibyteStart(cmdline)
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      let ret = []
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      let i = 0
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      while i < len(a:cmdline)
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        let char = nr2char(char2nr(a:cmdline[i:]))
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        if a:cmdline[i:i +  len(char) - 1] is# char
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          if len(char) > 1
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            call add(ret, [i + 1, i + len(char), 'RBP2'])
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          endif
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          let i += len(char)
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        else
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          let i += 1
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        endif
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      endwhile
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      return ret
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    endfunction
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    function SplittedMultibyteEnd(cmdline)
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      let ret = []
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      let i = 0
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      while i < len(a:cmdline)
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        let char = nr2char(char2nr(a:cmdline[i:]))
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        if a:cmdline[i:i +  len(char) - 1] is# char
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          if len(char) > 1
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            call add(ret, [i, i + 1, 'RBP1'])
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          endif
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          let i += len(char)
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        else
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          let i += 1
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        endif
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      endwhile
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      return ret
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    endfunction
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    function Echoing(cmdline)
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      echo 'HERE'
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      return v:_null_list
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    endfunction
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    function Echoning(cmdline)
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      echon 'HERE'
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      return v:_null_list
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    endfunction
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    function Echomsging(cmdline)
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      echomsg 'HERE'
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      return v:_null_list
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    endfunction
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    function Echoerring(cmdline)
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      echoerr 'HERE'
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      return v:_null_list
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    endfunction
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    function Redrawing(cmdline)
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      redraw!
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      return v:_null_list
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    endfunction
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    function Throwing(cmdline)
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      throw "ABC"
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      return v:_null_list
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    endfunction
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    function Halting(cmdline)
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      while 1
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      endwhile
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    endfunction
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    function ReturningGlobal(cmdline)
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      return g:callback_return
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    endfunction
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    function ReturningGlobal2(cmdline)
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      return g:callback_return[:len(a:cmdline)-1]
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    endfunction
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    function ReturningGlobalN(n, cmdline)
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      return g:callback_return{a:n}
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    endfunction
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    let g:recording_calls = []
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    function Recording(cmdline)
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      call add(g:recording_calls, a:cmdline)
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      return []
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    endfunction
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  ]])
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  screen:set_default_attr_ids({
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    RBP1={background = Screen.colors.Red},
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    RBP2={background = Screen.colors.Yellow},
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    RBP3={background = Screen.colors.Green},
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    RBP4={background = Screen.colors.Blue},
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    EOB={bold = true, foreground = Screen.colors.Blue1},
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    ERR={foreground = Screen.colors.Grey100, background = Screen.colors.Red},
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    SK={foreground = Screen.colors.Blue},
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    PE={bold = true, foreground = Screen.colors.SeaGreen4},
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    NUM={foreground = Screen.colors.Blue2},
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    NPAR={foreground = Screen.colors.Yellow},
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    SQ={foreground = Screen.colors.Blue3},
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    SB={foreground = Screen.colors.Blue4},
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    E={foreground = Screen.colors.Red, background = Screen.colors.Blue},
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    M={bold = true},
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  })
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end)
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local function set_color_cb(funcname, callback_return, id)
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  meths.set_var('id', id or '')
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  if id and id ~= '' and funcs.exists('*' .. funcname .. 'N') then
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    command(('let g:Nvim_color_input%s = {cmdline -> %sN(%s, cmdline)}'):format(
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      id, funcname, id))
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    if callback_return then
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      meths.set_var('callback_return' .. id, callback_return)
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    end
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  else
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    meths.set_var('Nvim_color_input', funcname)
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    if callback_return then
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      meths.set_var('callback_return', callback_return)
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    end
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  end
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end
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local function start_prompt(text)
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  feed('{PROMPT}' .. (text or ''))
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end
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describe('Command-line coloring', function()
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  it('works', function()
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    set_color_cb('RainBowParens')
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    meths.set_option('more', false)
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    start_prompt()
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    screen:expect([[
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                                              |
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      {EOB:~                                       }|
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      {EOB:~                                       }|
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      {EOB:~                                       }|
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      {EOB:~                                       }|
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      {EOB:~                                       }|
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      {EOB:~                                       }|
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      :^                                       |
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    ]])
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    feed('e')
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    screen:expect([[
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                                              |
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      {EOB:~                                       }|
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      {EOB:~                                       }|
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      {EOB:~                                       }|
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      {EOB:~                                       }|
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      {EOB:~                                       }|
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      {EOB:~                                       }|
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      :e^                                      |
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    ]])
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    feed('cho ')
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    screen:expect([[
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                                              |
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      {EOB:~                                       }|
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      {EOB:~                                       }|
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      {EOB:~                                       }|
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      {EOB:~                                       }|
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      {EOB:~                                       }|
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      {EOB:~                                       }|
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      :echo ^                                  |
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    ]])
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    feed('(')
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    screen:expect([[
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                                              |
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      {EOB:~                                       }|
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      {EOB:~                                       }|
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      {EOB:~                                       }|
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      {EOB:~                                       }|
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      {EOB:~                                       }|
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      {EOB:~                                       }|
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      :echo {RBP1:(}^                                 |
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    ]])
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    feed('(')
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    screen:expect([[
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                                              |
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      {EOB:~                                       }|
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      {EOB:~                                       }|
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      {EOB:~                                       }|
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      {EOB:~                                       }|
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      {EOB:~                                       }|
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      {EOB:~                                       }|
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      :echo {RBP1:(}{RBP2:(}^                                |
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    ]])
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    feed('42')
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    screen:expect([[
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                                              |
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      {EOB:~                                       }|
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      {EOB:~                                       }|
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      {EOB:~                                       }|
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      {EOB:~                                       }|
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      {EOB:~                                       }|
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      {EOB:~                                       }|
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      :echo {RBP1:(}{RBP2:(}42^                              |
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    ]])
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    feed('))')
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    screen:expect([[
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                                              |
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      {EOB:~                                       }|
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      {EOB:~                                       }|
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      {EOB:~                                       }|
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      {EOB:~                                       }|
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      {EOB:~                                       }|
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      {EOB:~                                       }|
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      :echo {RBP1:(}{RBP2:(}42{RBP2:)}{RBP1:)}^                            |
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    ]])
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    feed('<BS>')
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    screen:expect([[
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                                              |
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      {EOB:~                                       }|
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      {EOB:~                                       }|
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      {EOB:~                                       }|
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      {EOB:~                                       }|
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      {EOB:~                                       }|
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      {EOB:~                                       }|
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      :echo {RBP1:(}{RBP2:(}42{RBP2:)}^                             |
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    ]])
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    redraw_input()
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    screen:expect([[
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                                              |
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      {EOB:~                                       }|
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      {EOB:~                                       }|
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      {EOB:~                                       }|
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      {EOB:~                                       }|
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      {EOB:~                                       }|
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      {EOB:~                                       }|
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      :echo {RBP1:(}{RBP2:(}42{RBP2:)}^                             |
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    ]])
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  end)
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  for _, func_part in ipairs({'', 'n', 'msg'}) do
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    it('disables :echo' .. func_part .. ' messages', function()
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      set_color_cb('Echo' .. func_part .. 'ing')
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      start_prompt('echo')
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      screen:expect([[
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                                                |
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        {EOB:~                                       }|
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        {EOB:~                                       }|
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        {EOB:~                                       }|
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        {EOB:~                                       }|
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        {EOB:~                                       }|
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        {EOB:~                                       }|
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        :echo^                                   |
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      ]])
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    end)
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  end
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  it('does the right thing when hl start appears to split multibyte char',
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  function()
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    set_color_cb('SplittedMultibyteStart')
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    start_prompt('echo "«')
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    screen:expect([[
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      {EOB:~                                       }|
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      {EOB:~                                       }|
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      {EOB:~                                       }|
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      {EOB:~                                       }|
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      :echo "                                 |
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      {ERR:E5405: Chunk 0 start 7 splits multibyte }|
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      {ERR:character}                               |
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      :echo "«^                                |
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    ]])
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    feed('»')
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    screen:expect([[
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      {EOB:~                                       }|
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      {EOB:~                                       }|
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						|
      {EOB:~                                       }|
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      {EOB:~                                       }|
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      :echo "                                 |
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      {ERR:E5405: Chunk 0 start 7 splits multibyte }|
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						|
      {ERR:character}                               |
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      :echo "«»^                               |
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    ]])
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  end)
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  it('does the right thing when hl end appears to split multibyte char',
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  function()
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    set_color_cb('SplittedMultibyteEnd')
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    start_prompt('echo "«')
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    screen:expect([[
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      {EOB:~                                       }|
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      {EOB:~                                       }|
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						|
      {EOB:~                                       }|
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      {EOB:~                                       }|
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      :echo "                                 |
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      {ERR:E5406: Chunk 0 end 7 splits multibyte ch}|
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						|
      {ERR:aracter}                                 |
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      :echo "«^                                |
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    ]])
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  end)
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  it('does the right thing when errorring', function()
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    set_color_cb('Echoerring')
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    start_prompt('e')
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    screen:expect([[
 | 
						|
      {EOB:~                                       }|
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						|
      {EOB:~                                       }|
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						|
      {EOB:~                                       }|
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						|
      {EOB:~                                       }|
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      :                                       |
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      {ERR:E5407: Callback has thrown an exception:}|
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						|
      {ERR: Vim(echoerr):HERE}                      |
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						|
      :e^                                      |
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    ]])
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						|
  end)
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  it('silences :echo', function()
 | 
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    set_color_cb('Echoing')
 | 
						|
    start_prompt('e')
 | 
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    screen:expect([[
 | 
						|
                                              |
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      :e^                                      |
 | 
						|
    ]])
 | 
						|
    eq('', meths.command_output('messages'))
 | 
						|
  end)
 | 
						|
  it('silences :echon', function()
 | 
						|
    set_color_cb('Echoning')
 | 
						|
    start_prompt('e')
 | 
						|
    screen:expect([[
 | 
						|
                                              |
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      :e^                                      |
 | 
						|
    ]])
 | 
						|
    eq('', meths.command_output('messages'))
 | 
						|
  end)
 | 
						|
  it('silences :echomsg', function()
 | 
						|
    set_color_cb('Echomsging')
 | 
						|
    start_prompt('e')
 | 
						|
    screen:expect([[
 | 
						|
                                              |
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      :e^                                      |
 | 
						|
    ]])
 | 
						|
    eq('', meths.command_output('messages'))
 | 
						|
  end)
 | 
						|
  it('does the right thing when throwing', function()
 | 
						|
    set_color_cb('Throwing')
 | 
						|
    start_prompt('e')
 | 
						|
    screen:expect([[
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      :                                       |
 | 
						|
      {ERR:E5407: Callback has thrown an exception:}|
 | 
						|
      {ERR: ABC}                                    |
 | 
						|
      :e^                                      |
 | 
						|
    ]])
 | 
						|
  end)
 | 
						|
  it('stops executing callback after a number of errors', function()
 | 
						|
    set_color_cb('SplittedMultibyteStart')
 | 
						|
    start_prompt('let x = "«»«»«»«»«»"\n')
 | 
						|
    screen:expect([[
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      :let x = "                              |
 | 
						|
      {ERR:E5405: Chunk 0 start 10 splits multibyte}|
 | 
						|
      {ERR: character}                              |
 | 
						|
      ^:let x = "«»«»«»«»«»"                   |
 | 
						|
    ]])
 | 
						|
    feed('\n')
 | 
						|
    screen:expect([[
 | 
						|
      ^                                        |
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
                                              |
 | 
						|
    ]])
 | 
						|
    eq('let x = "«»«»«»«»«»"', meths.get_var('out'))
 | 
						|
    local msg = '\nE5405: Chunk 0 start 10 splits multibyte character'
 | 
						|
    eq(msg:rep(1), funcs.execute('messages'))
 | 
						|
  end)
 | 
						|
  it('allows interrupting callback with <C-c>', function()
 | 
						|
    set_color_cb('Halting')
 | 
						|
    start_prompt('echo 42')
 | 
						|
    screen:expect([[
 | 
						|
      ^                                        |
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
                                              |
 | 
						|
    ]])
 | 
						|
    screen:sleep(500)
 | 
						|
    feed('<C-c>')
 | 
						|
    screen:expect([[
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      :                                       |
 | 
						|
      {ERR:E5407: Callback has thrown an exception:}|
 | 
						|
      {ERR: Keyboard interrupt}                     |
 | 
						|
      :echo 42^                                |
 | 
						|
    ]])
 | 
						|
    redraw_input()
 | 
						|
    screen:expect([[
 | 
						|
                                              |
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      :echo 42^                                |
 | 
						|
    ]])
 | 
						|
    feed('\n')
 | 
						|
    screen:expect([[
 | 
						|
                                              |
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      ^:echo 42                                |
 | 
						|
    ]])
 | 
						|
    feed('\n')
 | 
						|
    eq('echo 42', meths.get_var('out'))
 | 
						|
    feed('<C-c>')
 | 
						|
    screen:expect([[
 | 
						|
      ^                                        |
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      Type  :quit<Enter>  to exit Nvim        |
 | 
						|
    ]])
 | 
						|
  end)
 | 
						|
  it('works fine with NUL, NL, CR', function()
 | 
						|
    set_color_cb('RainBowParens')
 | 
						|
    start_prompt('echo ("<C-v><CR><C-v><Nul><C-v><NL>")')
 | 
						|
    screen:expect([[
 | 
						|
                                              |
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      :echo {RBP1:(}"{SK:^M^@^@}"{RBP1:)}^                        |
 | 
						|
    ]])
 | 
						|
  end)
 | 
						|
  it('errors out when callback returns something wrong', function()
 | 
						|
    command('cnoremap + ++')
 | 
						|
    set_color_cb('ReturningGlobal', '')
 | 
						|
    start_prompt('#')
 | 
						|
    screen:expect([[
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      :                                       |
 | 
						|
      {ERR:E5400: Callback should return list}      |
 | 
						|
      :#^                                      |
 | 
						|
    ]])
 | 
						|
 | 
						|
    feed('<CR><CR><CR>')
 | 
						|
    set_color_cb('ReturningGlobal', {{0, 1, 'Normal'}, 42})
 | 
						|
    start_prompt('#')
 | 
						|
    screen:expect([[
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      :                                       |
 | 
						|
      {ERR:E5401: List item 1 is not a List}        |
 | 
						|
      :#^                                      |
 | 
						|
    ]])
 | 
						|
 | 
						|
    feed('<CR><CR><CR>')
 | 
						|
    set_color_cb('ReturningGlobal2', {{0, 1, 'Normal'}, {1}})
 | 
						|
    start_prompt('+')
 | 
						|
    screen:expect([[
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      :+                                      |
 | 
						|
      {ERR:E5402: List item 1 has incorrect length:}|
 | 
						|
      {ERR: 1 /= 3}                                 |
 | 
						|
      :++^                                     |
 | 
						|
    ]])
 | 
						|
 | 
						|
    feed('<CR><CR><CR>')
 | 
						|
    set_color_cb('ReturningGlobal2', {{0, 1, 'Normal'}, {2, 3, 'Normal'}})
 | 
						|
    start_prompt('+')
 | 
						|
    screen:expect([[
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      :+                                      |
 | 
						|
      {ERR:E5403: Chunk 1 start 2 not in range [1, }|
 | 
						|
      {ERR:2)}                                      |
 | 
						|
      :++^                                     |
 | 
						|
    ]])
 | 
						|
 | 
						|
    feed('<CR><CR><CR>')
 | 
						|
    set_color_cb('ReturningGlobal2', {{0, 1, 'Normal'}, {1, 3, 'Normal'}})
 | 
						|
    start_prompt('+')
 | 
						|
    screen:expect([[
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      :+                                      |
 | 
						|
      {ERR:E5404: Chunk 1 end 3 not in range (1, 2]}|
 | 
						|
                                              |
 | 
						|
      :++^                                     |
 | 
						|
    ]])
 | 
						|
  end)
 | 
						|
  it('does not error out when called from a errorred out cycle', function()
 | 
						|
    set_color_cb('ReturningGlobal', {{0, 1, 'Normal'}})
 | 
						|
    feed(dedent([[
 | 
						|
      :set regexpengine=2
 | 
						|
      :for pat in [' \ze*', ' \zs*']
 | 
						|
      :  try
 | 
						|
      :    let l = matchlist('x x', pat)
 | 
						|
      :    $put =input({'prompt':'>','highlight':'ReturningGlobal'})
 | 
						|
      :
 | 
						|
      :    $put ='E888 NOT detected for ' . pat
 | 
						|
      :  catch
 | 
						|
      :    $put =input({'prompt':'>','highlight':'ReturningGlobal'})
 | 
						|
      :
 | 
						|
      :    $put ='E888 detected for ' . pat
 | 
						|
      :  endtry
 | 
						|
      :endfor
 | 
						|
      :
 | 
						|
      :
 | 
						|
      :
 | 
						|
      :
 | 
						|
      :
 | 
						|
      :
 | 
						|
    ]]))
 | 
						|
    eq({'', ':', 'E888 detected for  \\ze*', ':', 'E888 detected for  \\zs*'},
 | 
						|
       curbufmeths.get_lines(0, -1, false))
 | 
						|
    eq('', funcs.execute('messages'))
 | 
						|
  end)
 | 
						|
  it('allows nesting input()s', function()
 | 
						|
    set_color_cb('ReturningGlobal', {{0, 1, 'RBP1'}}, '')
 | 
						|
    start_prompt('1')
 | 
						|
    screen:expect([[
 | 
						|
                                              |
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      :{RBP1:1}^                                      |
 | 
						|
    ]])
 | 
						|
 | 
						|
    set_color_cb('ReturningGlobal', {{0, 1, 'RBP2'}}, '1')
 | 
						|
    start_prompt('2')
 | 
						|
    screen:expect([[
 | 
						|
                                              |
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      :{RBP2:2}^                                      |
 | 
						|
    ]])
 | 
						|
 | 
						|
    set_color_cb('ReturningGlobal', {{0, 1, 'RBP3'}}, '2')
 | 
						|
    start_prompt('3')
 | 
						|
    screen:expect([[
 | 
						|
                                              |
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      :{RBP3:3}^                                      |
 | 
						|
    ]])
 | 
						|
 | 
						|
    set_color_cb('ReturningGlobal', {{0, 1, 'RBP4'}}, '3')
 | 
						|
    start_prompt('4')
 | 
						|
    screen:expect([[
 | 
						|
                                              |
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      :{RBP4:4}^                                      |
 | 
						|
    ]])
 | 
						|
 | 
						|
    feed('<CR>')
 | 
						|
    screen:expect([[
 | 
						|
                                              |
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      :{RBP3:3}4^                                     |
 | 
						|
    ]])
 | 
						|
    feed('<CR>')
 | 
						|
    screen:expect([[
 | 
						|
                                              |
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      :{RBP2:2}34^                                    |
 | 
						|
    ]])
 | 
						|
    feed('<CR>')
 | 
						|
    screen:expect([[
 | 
						|
                                              |
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      :{RBP1:1}234^                                   |
 | 
						|
    ]])
 | 
						|
    feed('<CR><CR><C-l>')
 | 
						|
    screen:expect([[
 | 
						|
      ^                                        |
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
                                              |
 | 
						|
    ]])
 | 
						|
    eq('1234', meths.get_var('out'))
 | 
						|
    eq('234', meths.get_var('out1'))
 | 
						|
    eq('34', meths.get_var('out2'))
 | 
						|
    eq('4', meths.get_var('out3'))
 | 
						|
    eq(0, funcs.exists('g:out4'))
 | 
						|
  end)
 | 
						|
  it('runs callback with the same data only once', function()
 | 
						|
    local function new_recording_calls(...)
 | 
						|
      eq({...}, meths.get_var('recording_calls'))
 | 
						|
      meths.set_var('recording_calls', {})
 | 
						|
    end
 | 
						|
    set_color_cb('Recording')
 | 
						|
    start_prompt('')
 | 
						|
    -- Regression test. Disambiguation:
 | 
						|
    --
 | 
						|
    --     new_recording_calls(expected_result) -- (actual_before_fix)
 | 
						|
    --
 | 
						|
    feed('a')
 | 
						|
    new_recording_calls('a')  -- ('a', 'a')
 | 
						|
    feed('b')
 | 
						|
    new_recording_calls('ab') -- ('a', 'ab', 'ab')
 | 
						|
    feed('c')
 | 
						|
    new_recording_calls('abc')  -- ('ab', 'abc', 'abc')
 | 
						|
    feed('<BS>')
 | 
						|
    new_recording_calls('ab')  -- ('abc', 'ab', 'ab')
 | 
						|
    feed('<BS>')
 | 
						|
    new_recording_calls('a')  -- ('ab', 'a', 'a')
 | 
						|
    feed('<BS>')
 | 
						|
    new_recording_calls()  -- ('a')
 | 
						|
    feed('<CR><CR>')
 | 
						|
    eq('', meths.get_var('out'))
 | 
						|
  end)
 | 
						|
end)
 | 
						|
describe('Ex commands coloring support', function()
 | 
						|
  it('works', function()
 | 
						|
    meths.set_var('Nvim_color_cmdline', 'RainBowParens')
 | 
						|
    feed(':echo (((1)))')
 | 
						|
    screen:expect([[
 | 
						|
                                              |
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      :echo {RBP1:(}{RBP2:(}{RBP3:(}1{RBP3:)}{RBP2:)}{RBP1:)}^                           |
 | 
						|
    ]])
 | 
						|
  end)
 | 
						|
  it('still executes command-line even if errored out', function()
 | 
						|
    meths.set_var('Nvim_color_cmdline', 'SplittedMultibyteStart')
 | 
						|
    feed(':let x = "«"\n')
 | 
						|
    eq('«', meths.get_var('x'))
 | 
						|
    local msg = 'E5405: Chunk 0 start 10 splits multibyte character'
 | 
						|
    eq('\n'..msg, funcs.execute('messages'))
 | 
						|
  end)
 | 
						|
  it('does not error out when called from a errorred out cycle', function()
 | 
						|
    -- Apparently when there is a cycle in which one of the commands errors out
 | 
						|
    -- this error may be caught by color_cmdline before it is presented to the
 | 
						|
    -- user.
 | 
						|
    feed(dedent([[
 | 
						|
      :set regexpengine=2
 | 
						|
      :for pat in [' \ze*', ' \zs*']
 | 
						|
      :  try
 | 
						|
      :    let l = matchlist('x x', pat)
 | 
						|
      :    $put ='E888 NOT detected for ' . pat
 | 
						|
      :  catch
 | 
						|
      :    $put ='E888 detected for ' . pat
 | 
						|
      :  endtry
 | 
						|
      :endfor
 | 
						|
    ]]))
 | 
						|
    eq({'', 'E888 detected for  \\ze*', 'E888 detected for  \\zs*'},
 | 
						|
       curbufmeths.get_lines(0, -1, false))
 | 
						|
    eq('', funcs.execute('messages'))
 | 
						|
  end)
 | 
						|
  it('does not crash when using `n` in debug mode', function()
 | 
						|
    feed(':debug execute "echo 1"\n')
 | 
						|
    screen:expect([[
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      Entering Debug mode.  Type "cont" to con|
 | 
						|
      tinue.                                  |
 | 
						|
      cmd: execute "echo 1"                   |
 | 
						|
      >^                                       |
 | 
						|
    ]])
 | 
						|
    feed('n\n')
 | 
						|
    screen:expect([[
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      Entering Debug mode.  Type "cont" to con|
 | 
						|
      tinue.                                  |
 | 
						|
      cmd: execute "echo 1"                   |
 | 
						|
      >n                                      |
 | 
						|
      1                                       |
 | 
						|
      {PE:Press ENTER or type command to continue}^ |
 | 
						|
    ]])
 | 
						|
    feed('\n')
 | 
						|
    screen:expect([[
 | 
						|
      ^                                        |
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
                                              |
 | 
						|
    ]])
 | 
						|
  end)
 | 
						|
  it('does not prevent mapping error from cancelling prompt', function()
 | 
						|
    command("cnoremap <expr> x execute('throw 42')[-1]")
 | 
						|
    feed(':#x')
 | 
						|
    screen:expect([[
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      :#                                      |
 | 
						|
      {ERR:Error detected while processing :}       |
 | 
						|
      {ERR:E605: Exception not caught: 42}          |
 | 
						|
      :#^                                      |
 | 
						|
    ]])
 | 
						|
    feed('<CR>')
 | 
						|
    screen:expect([[
 | 
						|
      ^                                        |
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
                                              |
 | 
						|
    ]])
 | 
						|
    feed('<CR>')
 | 
						|
    screen:expect([[
 | 
						|
      ^                                        |
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
                                              |
 | 
						|
    ]])
 | 
						|
    eq('\nError detected while processing :\nE605: Exception not caught: 42',
 | 
						|
       meths.command_output('messages'))
 | 
						|
  end)
 | 
						|
  it('errors out when failing to get callback', function()
 | 
						|
    meths.set_var('Nvim_color_cmdline', 42)
 | 
						|
    feed(':#')
 | 
						|
    screen:expect([[
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      :                                       |
 | 
						|
      {ERR:E5408: Unable to get g:Nvim_color_cmdlin}|
 | 
						|
      {ERR:e callback: Vim:E6000: Argument is not a}|
 | 
						|
      {ERR: function or function name}              |
 | 
						|
      :#^                                      |
 | 
						|
    ]])
 | 
						|
  end)
 | 
						|
end)
 | 
						|
describe('Expressions coloring support', function()
 | 
						|
  it('works', function()
 | 
						|
    meths.command('hi clear NvimNumber')
 | 
						|
    meths.command('hi clear NvimNestingParenthesis')
 | 
						|
    meths.command('hi NvimNumber guifg=Blue2')
 | 
						|
    meths.command('hi NvimNestingParenthesis guifg=Yellow')
 | 
						|
    feed(':echo <C-r>=(((1)))')
 | 
						|
    screen:expect([[
 | 
						|
                                              |
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      ={NPAR:(((}{NUM:1}{NPAR:)))}^                                |
 | 
						|
    ]])
 | 
						|
  end)
 | 
						|
  it('does not use Nvim_color_expr', function()
 | 
						|
    meths.set_var('Nvim_color_expr', 42)
 | 
						|
    -- Used to error out due to failing to get callback.
 | 
						|
    meths.command('hi clear NvimNumber')
 | 
						|
    meths.command('hi NvimNumber guifg=Blue2')
 | 
						|
    feed(':<C-r>=1')
 | 
						|
    screen:expect([[
 | 
						|
                                              |
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      ={NUM:1}^                                      |
 | 
						|
    ]])
 | 
						|
  end)
 | 
						|
  it('works correctly with non-ASCII and control characters', function()
 | 
						|
    meths.command('hi clear NvimStringBody')
 | 
						|
    meths.command('hi clear NvimStringQuote')
 | 
						|
    meths.command('hi clear NvimInvalid')
 | 
						|
    meths.command('hi NvimStringQuote guifg=Blue3')
 | 
						|
    meths.command('hi NvimStringBody guifg=Blue4')
 | 
						|
    meths.command('hi NvimInvalid guifg=Red guibg=Blue')
 | 
						|
    feed('i<C-r>="«»"«»')
 | 
						|
    screen:expect([[
 | 
						|
                                              |
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      ={SQ:"}{SB:«»}{SQ:"}{E:«»}^                                 |
 | 
						|
    ]])
 | 
						|
    feed('<C-c>')
 | 
						|
    screen:expect([[
 | 
						|
      ^                                        |
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {M:-- INSERT --}                            |
 | 
						|
    ]])
 | 
						|
    feed('<Esc>')
 | 
						|
    screen:expect([[
 | 
						|
      ^                                        |
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
                                              |
 | 
						|
    ]])
 | 
						|
    feed(':<C-\\>e"<C-v><C-x>"<C-v><C-x>')
 | 
						|
    -- TODO(ZyX-I): Parser highlighting should not override special character
 | 
						|
    --              highlighting.
 | 
						|
    screen:expect([[
 | 
						|
                                              |
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      ={SQ:"}{SB:^X}{SQ:"}{ERR:^X}^                                 |
 | 
						|
    ]])
 | 
						|
    feed('<C-c>')
 | 
						|
    screen:expect([[
 | 
						|
                                              |
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      :^                                       |
 | 
						|
    ]])
 | 
						|
    funcs.setreg('a', {'\192'})
 | 
						|
    feed('<C-r>="<C-r><C-r>a"<C-r><C-r>a"foo"')
 | 
						|
    -- TODO(ZyX-I): Parser highlighting should not override special character
 | 
						|
    --              highlighting.
 | 
						|
    screen:expect([[
 | 
						|
                                              |
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      {EOB:~                                       }|
 | 
						|
      ={SQ:"}{SB:<c0>}{SQ:"}{E:<c0>"}{SB:foo}{E:"}^                        |
 | 
						|
    ]])
 | 
						|
  end)
 | 
						|
end)
 |