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	The commit summary maybe does not make sense, but calling a function that does not wait on anything `wait()` makes even less sense.
		
			
				
	
	
		
			288 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			Lua
		
	
	
	
	
	
			
		
		
	
	
			288 lines
		
	
	
		
			11 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 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 eq, neq = helpers.eq, helpers.neq
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local write_file = helpers.write_file
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local command= helpers.command
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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 cursorcolumn scrolloff=4 sidescrolloff=7')
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    eq({ 1, 1, 4, 7 }, eval('[&l:cursorline, &l:cursorcolumn, &l:scrolloff, &l:sidescrolloff]'))
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    eq('n', eval('mode()'))
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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()'))
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    eq({ 0, 0, 0, 0 }, eval('[&l:cursorline, &l:cursorcolumn, &l:scrolloff, &l:sidescrolloff]'))
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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 = helpers.iswin()
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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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    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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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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    eq(2, eval('1+1')) -- check nvim still running
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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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    eq(2, eval('1+1'))
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  end)
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end)
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