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			500 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			Lua
		
	
	
	
	
	
			
		
		
	
	
			500 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			Lua
		
	
	
	
	
	
local helpers = require('test.functional.helpers')(after_each)
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local thelpers = require('test.functional.terminal.helpers')
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local assert_alive = helpers.assert_alive
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local feed, clear, nvim = helpers.feed, helpers.clear, helpers.nvim
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local poke_eventloop = helpers.poke_eventloop
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local eval, feed_command, source = helpers.eval, helpers.feed_command, helpers.source
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local pcall_err = helpers.pcall_err
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local eq, neq = helpers.eq, helpers.neq
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local meths = helpers.meths
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local retry = helpers.retry
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local write_file = helpers.write_file
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local command = helpers.command
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local exc_exec = helpers.exc_exec
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local matches = helpers.matches
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local exec_lua = helpers.exec_lua
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local sleep = helpers.sleep
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local funcs = helpers.funcs
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local is_os = helpers.is_os
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local skip = helpers.skip
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describe(':terminal buffer', function()
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  local screen
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  before_each(function()
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    clear()
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    feed_command('set modifiable swapfile undolevels=20')
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    poke_eventloop()
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    screen = thelpers.screen_setup()
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  end)
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  it('terminal-mode forces various options', function()
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    feed([[<C-\><C-N>]])
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    command('setlocal cursorline cursorlineopt=both cursorcolumn scrolloff=4 sidescrolloff=7')
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    eq({ 'both', 1, 1, 4, 7 }, eval('[&l:cursorlineopt, &l:cursorline, &l:cursorcolumn, &l:scrolloff, &l:sidescrolloff]'))
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    eq('nt', eval('mode(1)'))
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    -- Enter terminal-mode ("insert" mode in :terminal).
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    feed('i')
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    eq('t', eval('mode(1)'))
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    eq({ 'number', 1, 0, 0, 0 }, eval('[&l:cursorlineopt, &l:cursorline, &l:cursorcolumn, &l:scrolloff, &l:sidescrolloff]'))
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  end)
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  it('terminal-mode does not change cursorlineopt if cursorline is disabled', function()
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    feed([[<C-\><C-N>]])
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    command('setlocal nocursorline cursorlineopt=both')
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    feed('i')
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    eq({ 0, 'both' }, eval('[&l:cursorline, &l:cursorlineopt]'))
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  end)
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  it('terminal-mode disables cursorline when cursorlineopt is only set to "line', function()
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    feed([[<C-\><C-N>]])
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    command('setlocal cursorline cursorlineopt=line')
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    feed('i')
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    eq({ 0, 'line' }, eval('[&l:cursorline, &l:cursorlineopt]'))
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  end)
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  describe('when a new file is edited', function()
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    before_each(function()
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      feed('<c-\\><c-n>:set bufhidden=wipe<cr>:enew<cr>')
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      screen:expect([[
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        ^                                                  |
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        {4:~                                                 }|
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        {4:~                                                 }|
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        {4:~                                                 }|
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        {4:~                                                 }|
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        {4:~                                                 }|
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        :enew                                             |
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      ]])
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    end)
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    it('will hide the buffer, ignoring the bufhidden option', function()
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      feed(':bnext:l<esc>')
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      screen:expect([[
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        ^                                                  |
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        {4:~                                                 }|
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        {4:~                                                 }|
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        {4:~                                                 }|
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        {4:~                                                 }|
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        {4:~                                                 }|
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                                                          |
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      ]])
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    end)
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  end)
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  describe('swap and undo', function()
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    before_each(function()
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      feed('<c-\\><c-n>')
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      screen:expect([[
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        tty ready                                         |
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        {2:^ }                                                 |
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                                                          |
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                                                          |
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                                                          |
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                                                          |
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                                                          |
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      ]])
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    end)
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    it('does not create swap files', function()
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      local swapfile = nvim('exec', 'swapname', true):gsub('\n', '')
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      eq(nil, io.open(swapfile))
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    end)
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    it('does not create undofiles files', function()
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      local undofile = nvim('eval', 'undofile(bufname("%"))')
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      eq(nil, io.open(undofile))
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    end)
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  end)
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  it('cannot be modified directly', function()
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    feed('<c-\\><c-n>dd')
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    screen:expect([[
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      tty ready                                         |
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      {2:^ }                                                 |
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                                                        |
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                                                        |
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                                                        |
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                                                        |
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      {8:E21: Cannot make changes, 'modifiable' is off}     |
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    ]])
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  end)
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  it('sends data to the terminal when the "put" operator is used', function()
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    feed('<c-\\><c-n>gg"ayj')
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    feed_command('let @a = "appended " . @a')
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    feed('"ap"ap')
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    screen:expect([[
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      ^tty ready                                         |
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      appended tty ready                                |
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      appended tty ready                                |
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      {2: }                                                 |
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                                                        |
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                                                        |
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      :let @a = "appended " . @a                        |
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    ]])
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    -- operator count is also taken into consideration
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    feed('3"ap')
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    screen:expect([[
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      ^tty ready                                         |
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      appended tty ready                                |
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      appended tty ready                                |
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      appended tty ready                                |
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      appended tty ready                                |
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      appended tty ready                                |
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      :let @a = "appended " . @a                        |
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    ]])
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  end)
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  it('sends data to the terminal when the ":put" command is used', function()
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    feed('<c-\\><c-n>gg"ayj')
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    feed_command('let @a = "appended " . @a')
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    feed_command('put a')
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    screen:expect([[
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      ^tty ready                                         |
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      appended tty ready                                |
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      {2: }                                                 |
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                                                        |
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                                                        |
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                                                        |
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      :put a                                            |
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    ]])
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    -- line argument is only used to move the cursor
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    feed_command('6put a')
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    screen:expect([[
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      tty ready                                         |
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      appended tty ready                                |
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      appended tty ready                                |
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      {2: }                                                 |
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                                                        |
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      ^                                                  |
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      :6put a                                           |
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    ]])
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  end)
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  it('can be deleted', function()
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    feed('<c-\\><c-n>:bd!<cr>')
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    screen:expect([[
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      ^                                                  |
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      {4:~                                                 }|
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      {4:~                                                 }|
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      {4:~                                                 }|
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      {4:~                                                 }|
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      {4:~                                                 }|
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      :bd!                                              |
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    ]])
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    feed_command('bnext')
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    screen:expect([[
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      ^                                                  |
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      {4:~                                                 }|
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      {4:~                                                 }|
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      {4:~                                                 }|
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      {4:~                                                 }|
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      {4:~                                                 }|
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      :bnext                                            |
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    ]])
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  end)
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  it('handles loss of focus gracefully', function()
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    -- Change the statusline to avoid printing the file name, which varies.
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    nvim('set_option', 'statusline', '==========')
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    feed_command('set laststatus=0')
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    -- Save the buffer number of the terminal for later testing.
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    local tbuf = eval('bufnr("%")')
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    local exitcmd = is_os('win')
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      and "['cmd', '/c', 'exit']"
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      or "['sh', '-c', 'exit']"
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    source([[
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    function! SplitWindow(id, data, event)
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      new
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      call feedkeys("iabc\<Esc>")
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    endfunction
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    startinsert
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    call jobstart(]]..exitcmd..[[, {'on_exit': function("SplitWindow")})
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    call feedkeys("\<C-\>", 't')  " vim will expect <C-n>, but be exited out of
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                                  " the terminal before it can be entered.
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    ]])
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    -- We should be in a new buffer now.
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    screen:expect([[
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      ab^c                                               |
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      {4:~                                                 }|
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      {5:==========                                        }|
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      rows: 2, cols: 50                                 |
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      {2: }                                                 |
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      {1:==========                                        }|
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                                                        |
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    ]])
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    neq(tbuf, eval('bufnr("%")'))
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    feed_command('quit!')  -- Should exit the new window, not the terminal.
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    eq(tbuf, eval('bufnr("%")'))
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    feed_command('set laststatus=1')  -- Restore laststatus to the default.
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  end)
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  it('term_close() use-after-free #4393', function()
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    feed_command('terminal yes')
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    feed([[<C-\><C-n>]])
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    feed_command('bdelete!')
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  end)
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  describe('handles confirmations', function()
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    it('with :confirm', function()
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      feed_command('terminal')
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      feed('<c-\\><c-n>')
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      feed_command('confirm bdelete')
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      screen:expect{any='Close "term://'}
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    end)
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    it('with &confirm', function()
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      feed_command('terminal')
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      feed('<c-\\><c-n>')
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      feed_command('bdelete')
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      screen:expect{any='E89'}
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      feed('<cr>')
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      eq('terminal', eval('&buftype'))
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      feed_command('set confirm | bdelete')
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      screen:expect{any='Close "term://'}
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      feed('y')
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      neq('terminal', eval('&buftype'))
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    end)
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  end)
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  it('it works with set rightleft #11438', function()
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    skip(is_os('win'))
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    local columns = eval('&columns')
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    feed(string.rep('a', columns))
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    command('set rightleft')
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    screen:expect([[
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                                               ydaer ytt|
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      {1:a}aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa|
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                                                        |
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                                                        |
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                                                        |
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                                                        |
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      {3:-- TERMINAL --}                                    |
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    ]])
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    command('bdelete!')
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  end)
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  it('requires bang (!) to close a running job #15402', function()
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    eq('Vim(wqall):E948: Job still running', exc_exec('wqall'))
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    for _, cmd in ipairs({ 'bdelete', '%bdelete', 'bwipeout', 'bunload' }) do
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      matches('^Vim%('..cmd:gsub('%%', '')..'%):E89: term://.*tty%-test.* will be killed %(add %! to override%)$',
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        exc_exec(cmd))
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    end
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    command('call jobstop(&channel)')
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    assert(0 >= eval('jobwait([&channel], 1000)[0]'))
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    command('bdelete')
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  end)
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  it('stops running jobs with :quit', function()
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    -- Open in a new window to avoid terminating the nvim instance
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    command('split')
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    command('terminal')
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    command('set nohidden')
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    command('quit')
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  end)
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  it('does not segfault when pasting empty register #13955', function()
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    feed('<c-\\><c-n>')
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    feed_command('put a')  -- register a is empty
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    helpers.assert_alive()
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  end)
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  it([[can use temporary normal mode <c-\><c-o>]], function()
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    eq('t', funcs.mode(1))
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    feed [[<c-\><c-o>]]
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    screen:expect{grid=[[
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      tty ready                                         |
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      {2:^ }                                                 |
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                                                        |
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                                                        |
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                                                        |
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                                                        |
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      {3:-- (terminal) --}                                  |
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    ]]}
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    eq('ntT', funcs.mode(1))
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    feed [[:let g:x = 17]]
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    screen:expect{grid=[[
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      tty ready                                         |
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      {2: }                                                 |
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                                                        |
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                                                        |
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                                                        |
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                                                        |
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      :let g:x = 17^                                     |
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    ]]}
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    feed [[<cr>]]
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    screen:expect{grid=[[
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      tty ready                                         |
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      {1: }                                                 |
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                                                        |
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                                                        |
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                                                        |
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                                                        |
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      {3:-- TERMINAL --}                                    |
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    ]]}
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    eq('t', funcs.mode(1))
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  end)
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  it('writing to an existing file with :w fails #13549', function()
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    eq('Vim(write):E13: File exists (add ! to override)',
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       pcall_err(command, 'write test/functional/fixtures/tty-test.c'))
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  end)
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end)
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describe('No heap-buffer-overflow when using', function()
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  local testfilename = 'Xtestfile-functional-terminal-buffers_spec'
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  before_each(function()
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    write_file(testfilename, "aaaaaaaaaaaaaaaaaaaaaaaaaaaa")
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  end)
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  after_each(function()
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    os.remove(testfilename)
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  end)
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  it('termopen(echo) #3161', function()
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    feed_command('edit ' .. testfilename)
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    -- Move cursor away from the beginning of the line
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    feed('$')
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    -- Let termopen() modify the buffer
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    feed_command('call termopen("echo")')
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    assert_alive()
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    feed_command('bdelete!')
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  end)
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end)
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describe('No heap-buffer-overflow when', function()
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  it('set nowrap and send long line #11548', function()
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    feed_command('set nowrap')
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    feed_command('autocmd TermOpen * startinsert')
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    feed_command('call feedkeys("4000ai\\<esc>:terminal!\\<cr>")')
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    assert_alive()
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  end)
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end)
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describe('on_lines does not emit out-of-bounds line indexes when', function()
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  before_each(function()
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    clear()
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    exec_lua([[
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      function _G.register_callback(bufnr)
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        _G.cb_error = ''
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        vim.api.nvim_buf_attach(bufnr, false, {
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          on_lines = function(_, bufnr, _, firstline, _, _)
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            local status, msg = pcall(vim.api.nvim_buf_get_offset, bufnr, firstline)
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            if not status then
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              _G.cb_error = msg
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            end
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          end
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        })
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      end
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    ]])
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  end)
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  it('creating a terminal buffer #16394', function()
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    feed_command('autocmd TermOpen * ++once call v:lua.register_callback(str2nr(expand("<abuf>")))')
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    feed_command('terminal')
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    sleep(500)
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    eq('', exec_lua([[return _G.cb_error]]))
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  end)
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  it('deleting a terminal buffer #16394', function()
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    feed_command('terminal')
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    sleep(500)
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    feed_command('lua _G.register_callback(0)')
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    feed_command('bdelete!')
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    eq('', exec_lua([[return _G.cb_error]]))
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  end)
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  it('runs TextChangedT event', function()
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    meths.set_var('called', 0)
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    command('autocmd TextChangedT * ++once let g:called = 1')
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    feed_command('terminal')
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    feed('iaa')
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    eq(1, meths.get_var('called'))
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  end)
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end)
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it('terminal truncates number of composing characters to 5', function()
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  clear()
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  local chan = meths.open_term(0, {})
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  local composing = ('a̳'):sub(2)
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  meths.chan_send(chan, 'a' .. composing:rep(8))
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  retry(nil, nil, function() eq('a' .. composing:rep(5), meths.get_current_line()) end)
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end)
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if is_os('win') then
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  describe(':terminal in Windows', function()
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						|
    local screen
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						|
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						|
    before_each(function()
 | 
						|
      clear()
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						|
      feed_command('set modifiable swapfile undolevels=20')
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						|
      poke_eventloop()
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						|
      local cmd = '["cmd.exe","/K","PROMPT=$g$s"]'
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						|
      screen = thelpers.screen_setup(nil, cmd)
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						|
    end)
 | 
						|
 | 
						|
    it('"put" operator sends data normally', function()
 | 
						|
      feed('<c-\\><c-n>G')
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      feed_command('let @a = ":: tty ready"')
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						|
      feed_command('let @a = @a . "\\n:: appended " . @a . "\\n\\n"')
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						|
      feed('"ap"ap')
 | 
						|
      screen:expect([[
 | 
						|
                                                        |
 | 
						|
      > :: tty ready                                    |
 | 
						|
      > :: appended :: tty ready                        |
 | 
						|
      > :: tty ready                                    |
 | 
						|
      > :: appended :: tty ready                        |
 | 
						|
      ^> {2: }                                               |
 | 
						|
      :let @a = @a . "\n:: appended " . @a . "\n\n"     |
 | 
						|
      ]])
 | 
						|
      -- operator count is also taken into consideration
 | 
						|
      feed('3"ap')
 | 
						|
      screen:expect([[
 | 
						|
      > :: appended :: tty ready                        |
 | 
						|
      > :: tty ready                                    |
 | 
						|
      > :: appended :: tty ready                        |
 | 
						|
      > :: tty ready                                    |
 | 
						|
      > :: appended :: tty ready                        |
 | 
						|
      ^> {2: }                                               |
 | 
						|
      :let @a = @a . "\n:: appended " . @a . "\n\n"     |
 | 
						|
      ]])
 | 
						|
    end)
 | 
						|
 | 
						|
    it('":put" command sends data normally', function()
 | 
						|
      feed('<c-\\><c-n>G')
 | 
						|
      feed_command('let @a = ":: tty ready"')
 | 
						|
      feed_command('let @a = @a . "\\n:: appended " . @a . "\\n\\n"')
 | 
						|
      feed_command('put a')
 | 
						|
      screen:expect([[
 | 
						|
                                                        |
 | 
						|
      > :: tty ready                                    |
 | 
						|
      > :: appended :: tty ready                        |
 | 
						|
      > {2: }                                               |
 | 
						|
                                                        |
 | 
						|
      ^                                                  |
 | 
						|
      :put a                                            |
 | 
						|
      ]])
 | 
						|
      -- line argument is only used to move the cursor
 | 
						|
      feed_command('6put a')
 | 
						|
      screen:expect([[
 | 
						|
                                                        |
 | 
						|
      > :: tty ready                                    |
 | 
						|
      > :: appended :: tty ready                        |
 | 
						|
      > :: tty ready                                    |
 | 
						|
      > :: appended :: tty ready                        |
 | 
						|
      ^> {2: }                                               |
 | 
						|
      :6put a                                           |
 | 
						|
      ]])
 | 
						|
    end)
 | 
						|
  end)
 | 
						|
end
 |