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	Specifically, functions that are run in the context of the test runner are put in module `test/testutil.lua` while the functions that are run in the context of the test session are put in `test/functional/testnvim.lua`. Closes https://github.com/neovim/neovim/issues/27004.
		
			
				
	
	
		
			1450 lines
		
	
	
		
			57 KiB
		
	
	
	
		
			Lua
		
	
	
	
	
	
			
		
		
	
	
			1450 lines
		
	
	
		
			57 KiB
		
	
	
	
		
			Lua
		
	
	
	
	
	
local t = require('test.testutil')
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						|
local n = require('test.functional.testnvim')()
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local Screen = require('test.functional.ui.screen')
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						|
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local feed = n.feed
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local clear = n.clear
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local command = n.command
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local insert = n.insert
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local write_file = t.write_file
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local dedent = t.dedent
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local exec = n.exec
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local eq = t.eq
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local api = n.api
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before_each(clear)
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describe('Diff mode screen', function()
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  local fname = 'Xtest-functional-diff-screen-1'
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  local fname_2 = fname .. '.2'
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  local screen
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  local reread = function()
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    feed(':e<cr><c-w>w:e<cr><c-w>w')
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  end
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  setup(function()
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    os.remove(fname)
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    os.remove(fname_2)
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  end)
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  teardown(function()
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    os.remove(fname)
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    os.remove(fname_2)
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  end)
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  before_each(function()
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    feed(':e ' .. fname_2 .. '<cr>')
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    feed(':vnew ' .. fname .. '<cr>')
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    feed(':diffthis<cr>')
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    feed('<c-w>w:diffthis<cr><c-w>w')
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    screen = Screen.new(40, 16)
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    screen:attach()
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  end)
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 | 
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  it('Add a line in beginning of file 2', function()
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    write_file(fname, '1\n2\n3\n4\n5\n6\n7\n8\n9\n10\n', false)
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    write_file(fname_2, '0\n1\n2\n3\n4\n5\n6\n7\n8\n9\n10\n', false)
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    reread()
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						|
 | 
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    feed(':set diffopt=filler<cr>')
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    screen:expect([[
 | 
						|
      {7:  }{23:------------------}│{7:  }{22:0                }|
 | 
						|
      {7:  }^1                 │{7:  }1                |
 | 
						|
      {7:  }2                 │{7:  }2                |
 | 
						|
      {7:  }3                 │{7:  }3                |
 | 
						|
      {7:  }4                 │{7:  }4                |
 | 
						|
      {7:  }5                 │{7:  }5                |
 | 
						|
      {7:  }6                 │{7:  }6                |
 | 
						|
      {7:+ }{13:+--  4 lines: 7···}│{7:+ }{13:+--  4 lines: 7··}|
 | 
						|
      {1:~                   }│{1:~                  }|*6
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      {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
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      :set diffopt=filler                     |
 | 
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    ]])
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    feed(':set diffopt+=internal<cr>')
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    screen:expect([[
 | 
						|
      {7:  }{23:------------------}│{7:  }{22:0                }|
 | 
						|
      {7:  }^1                 │{7:  }1                |
 | 
						|
      {7:  }2                 │{7:  }2                |
 | 
						|
      {7:  }3                 │{7:  }3                |
 | 
						|
      {7:  }4                 │{7:  }4                |
 | 
						|
      {7:  }5                 │{7:  }5                |
 | 
						|
      {7:  }6                 │{7:  }6                |
 | 
						|
      {7:+ }{13:+--  4 lines: 7···}│{7:+ }{13:+--  4 lines: 7··}|
 | 
						|
      {1:~                   }│{1:~                  }|*6
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      {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
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      :set diffopt+=internal                  |
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						|
    ]])
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  end)
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  it('Add a line in beginning of file 1', function()
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    write_file(fname, '0\n1\n2\n3\n4\n5\n6\n7\n8\n9\n10\n', false)
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    write_file(fname_2, '1\n2\n3\n4\n5\n6\n7\n8\n9\n10\n', false)
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    reread()
 | 
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 | 
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    feed(':set diffopt=filler<cr>')
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    screen:expect([[
 | 
						|
      {7:  }{22:^0                 }│{7:  }{23:-----------------}|
 | 
						|
      {7:  }1                 │{7:  }1                |
 | 
						|
      {7:  }2                 │{7:  }2                |
 | 
						|
      {7:  }3                 │{7:  }3                |
 | 
						|
      {7:  }4                 │{7:  }4                |
 | 
						|
      {7:  }5                 │{7:  }5                |
 | 
						|
      {7:  }6                 │{7:  }6                |
 | 
						|
      {7:+ }{13:+--  4 lines: 7···}│{7:+ }{13:+--  4 lines: 7··}|
 | 
						|
      {1:~                   }│{1:~                  }|*6
 | 
						|
      {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
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      :set diffopt=filler                     |
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    ]])
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    feed(':set diffopt+=internal<cr>')
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    screen:expect([[
 | 
						|
      {7:  }{22:^0                 }│{7:  }{23:-----------------}|
 | 
						|
      {7:  }1                 │{7:  }1                |
 | 
						|
      {7:  }2                 │{7:  }2                |
 | 
						|
      {7:  }3                 │{7:  }3                |
 | 
						|
      {7:  }4                 │{7:  }4                |
 | 
						|
      {7:  }5                 │{7:  }5                |
 | 
						|
      {7:  }6                 │{7:  }6                |
 | 
						|
      {7:+ }{13:+--  4 lines: 7···}│{7:+ }{13:+--  4 lines: 7··}|
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						|
      {1:~                   }│{1:~                  }|*6
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      {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
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      :set diffopt+=internal                  |
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    ]])
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  end)
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  it('Add a line at the end of file 2', function()
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    write_file(fname, '1\n2\n3\n4\n5\n6\n7\n8\n9\n10\n', false)
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    write_file(fname_2, '1\n2\n3\n4\n5\n6\n7\n8\n9\n10\n11\n', false)
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    reread()
 | 
						|
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    feed(':set diffopt=filler<cr>')
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    screen:expect([[
 | 
						|
      {7:+ }{13:^+--  4 lines: 1···}│{7:+ }{13:+--  4 lines: 1··}|
 | 
						|
      {7:  }5                 │{7:  }5                |
 | 
						|
      {7:  }6                 │{7:  }6                |
 | 
						|
      {7:  }7                 │{7:  }7                |
 | 
						|
      {7:  }8                 │{7:  }8                |
 | 
						|
      {7:  }9                 │{7:  }9                |
 | 
						|
      {7:  }10                │{7:  }10               |
 | 
						|
      {7:  }{23:------------------}│{7:  }{22:11               }|
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						|
      {1:~                   }│{1:~                  }|*6
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      {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
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      :set diffopt=filler                     |
 | 
						|
    ]])
 | 
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    feed(':set diffopt+=internal<cr>')
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    screen:expect([[
 | 
						|
      {7:+ }{13:^+--  4 lines: 1···}│{7:+ }{13:+--  4 lines: 1··}|
 | 
						|
      {7:  }5                 │{7:  }5                |
 | 
						|
      {7:  }6                 │{7:  }6                |
 | 
						|
      {7:  }7                 │{7:  }7                |
 | 
						|
      {7:  }8                 │{7:  }8                |
 | 
						|
      {7:  }9                 │{7:  }9                |
 | 
						|
      {7:  }10                │{7:  }10               |
 | 
						|
      {7:  }{23:------------------}│{7:  }{22:11               }|
 | 
						|
      {1:~                   }│{1:~                  }|*6
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						|
      {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
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      :set diffopt+=internal                  |
 | 
						|
    ]])
 | 
						|
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    screen:try_resize(40, 9)
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    screen:expect([[
 | 
						|
      {7:+ }{13:^+--  4 lines: 1···}│{7:+ }{13:+--  4 lines: 1··}|
 | 
						|
      {7:  }5                 │{7:  }5                |
 | 
						|
      {7:  }6                 │{7:  }6                |
 | 
						|
      {7:  }7                 │{7:  }7                |
 | 
						|
      {7:  }8                 │{7:  }8                |
 | 
						|
      {7:  }9                 │{7:  }9                |
 | 
						|
      {7:  }10                │{7:  }10               |
 | 
						|
      {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
 | 
						|
                                              |
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						|
    ]])
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  end)
 | 
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  it('Add a line at the end of file 1', function()
 | 
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    write_file(fname, '1\n2\n3\n4\n5\n6\n7\n8\n9\n10\n11\n', false)
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						|
    write_file(fname_2, '1\n2\n3\n4\n5\n6\n7\n8\n9\n10\n', false)
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						|
    reread()
 | 
						|
 | 
						|
    feed(':set diffopt=filler<cr>')
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						|
    screen:expect([[
 | 
						|
      {7:+ }{13:^+--  4 lines: 1···}│{7:+ }{13:+--  4 lines: 1··}|
 | 
						|
      {7:  }5                 │{7:  }5                |
 | 
						|
      {7:  }6                 │{7:  }6                |
 | 
						|
      {7:  }7                 │{7:  }7                |
 | 
						|
      {7:  }8                 │{7:  }8                |
 | 
						|
      {7:  }9                 │{7:  }9                |
 | 
						|
      {7:  }10                │{7:  }10               |
 | 
						|
      {7:  }{22:11                }│{7:  }{23:-----------------}|
 | 
						|
      {1:~                   }│{1:~                  }|*6
 | 
						|
      {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
 | 
						|
      :set diffopt=filler                     |
 | 
						|
    ]])
 | 
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    feed(':set diffopt+=internal<cr>')
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						|
    screen:expect([[
 | 
						|
      {7:+ }{13:^+--  4 lines: 1···}│{7:+ }{13:+--  4 lines: 1··}|
 | 
						|
      {7:  }5                 │{7:  }5                |
 | 
						|
      {7:  }6                 │{7:  }6                |
 | 
						|
      {7:  }7                 │{7:  }7                |
 | 
						|
      {7:  }8                 │{7:  }8                |
 | 
						|
      {7:  }9                 │{7:  }9                |
 | 
						|
      {7:  }10                │{7:  }10               |
 | 
						|
      {7:  }{22:11                }│{7:  }{23:-----------------}|
 | 
						|
      {1:~                   }│{1:~                  }|*6
 | 
						|
      {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
 | 
						|
      :set diffopt+=internal                  |
 | 
						|
    ]])
 | 
						|
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    screen:try_resize(40, 9)
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						|
    screen:expect([[
 | 
						|
      {7:+ }{13:^+--  4 lines: 1···}│{7:+ }{13:+--  4 lines: 1··}|
 | 
						|
      {7:  }5                 │{7:  }5                |
 | 
						|
      {7:  }6                 │{7:  }6                |
 | 
						|
      {7:  }7                 │{7:  }7                |
 | 
						|
      {7:  }8                 │{7:  }8                |
 | 
						|
      {7:  }9                 │{7:  }9                |
 | 
						|
      {7:  }10                │{7:  }10               |
 | 
						|
      {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
 | 
						|
                                              |
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    ]])
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  end)
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  it('Add a line in the middle of file 2, remove on at the end of file 1', function()
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    write_file(fname, '1\n2\n3\n4\n5\n6\n7\n8\n9\n10\n11\n', false)
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    write_file(fname_2, '1\n2\n3\n4\n4\n5\n6\n7\n8\n9\n10\n', false)
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    reread()
 | 
						|
 | 
						|
    feed(':set diffopt=filler<cr>')
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						|
    screen:expect([[
 | 
						|
      {7:  }^1                 │{7:  }1                |
 | 
						|
      {7:  }2                 │{7:  }2                |
 | 
						|
      {7:  }3                 │{7:  }3                |
 | 
						|
      {7:  }4                 │{7:  }4                |
 | 
						|
      {7:  }{23:------------------}│{7:  }{22:4                }|
 | 
						|
      {7:  }5                 │{7:  }5                |
 | 
						|
      {7:  }6                 │{7:  }6                |
 | 
						|
      {7:  }7                 │{7:  }7                |
 | 
						|
      {7:  }8                 │{7:  }8                |
 | 
						|
      {7:  }9                 │{7:  }9                |
 | 
						|
      {7:  }10                │{7:  }10               |
 | 
						|
      {7:  }{22:11                }│{7:  }{23:-----------------}|
 | 
						|
      {1:~                   }│{1:~                  }|*2
 | 
						|
      {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
 | 
						|
      :set diffopt=filler                     |
 | 
						|
    ]])
 | 
						|
 | 
						|
    feed(':set diffopt+=internal<cr>')
 | 
						|
    screen:expect([[
 | 
						|
      {7:  }^1                 │{7:  }1                |
 | 
						|
      {7:  }2                 │{7:  }2                |
 | 
						|
      {7:  }3                 │{7:  }3                |
 | 
						|
      {7:  }4                 │{7:  }4                |
 | 
						|
      {7:  }{23:------------------}│{7:  }{22:4                }|
 | 
						|
      {7:  }5                 │{7:  }5                |
 | 
						|
      {7:  }6                 │{7:  }6                |
 | 
						|
      {7:  }7                 │{7:  }7                |
 | 
						|
      {7:  }8                 │{7:  }8                |
 | 
						|
      {7:  }9                 │{7:  }9                |
 | 
						|
      {7:  }10                │{7:  }10               |
 | 
						|
      {7:  }{22:11                }│{7:  }{23:-----------------}|
 | 
						|
      {1:~                   }│{1:~                  }|*2
 | 
						|
      {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
 | 
						|
      :set diffopt+=internal                  |
 | 
						|
    ]])
 | 
						|
  end)
 | 
						|
 | 
						|
  it('Add a line in the middle of file 1, remove on at the end of file 2', function()
 | 
						|
    write_file(fname, '1\n2\n3\n4\n4\n5\n6\n7\n8\n9\n10\n', false)
 | 
						|
    write_file(fname_2, '1\n2\n3\n4\n5\n6\n7\n8\n9\n10\n11\n', false)
 | 
						|
    reread()
 | 
						|
 | 
						|
    feed(':set diffopt=filler<cr>')
 | 
						|
    screen:expect([[
 | 
						|
      {7:  }^1                 │{7:  }1                |
 | 
						|
      {7:  }2                 │{7:  }2                |
 | 
						|
      {7:  }3                 │{7:  }3                |
 | 
						|
      {7:  }4                 │{7:  }4                |
 | 
						|
      {7:  }{22:4                 }│{7:  }{23:-----------------}|
 | 
						|
      {7:  }5                 │{7:  }5                |
 | 
						|
      {7:  }6                 │{7:  }6                |
 | 
						|
      {7:  }7                 │{7:  }7                |
 | 
						|
      {7:  }8                 │{7:  }8                |
 | 
						|
      {7:  }9                 │{7:  }9                |
 | 
						|
      {7:  }10                │{7:  }10               |
 | 
						|
      {7:  }{23:------------------}│{7:  }{22:11               }|
 | 
						|
      {1:~                   }│{1:~                  }|*2
 | 
						|
      {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
 | 
						|
      :set diffopt=filler                     |
 | 
						|
    ]])
 | 
						|
 | 
						|
    feed(':set diffopt+=internal<cr>')
 | 
						|
    screen:expect([[
 | 
						|
      {7:  }^1                 │{7:  }1                |
 | 
						|
      {7:  }2                 │{7:  }2                |
 | 
						|
      {7:  }3                 │{7:  }3                |
 | 
						|
      {7:  }4                 │{7:  }4                |
 | 
						|
      {7:  }{22:4                 }│{7:  }{23:-----------------}|
 | 
						|
      {7:  }5                 │{7:  }5                |
 | 
						|
      {7:  }6                 │{7:  }6                |
 | 
						|
      {7:  }7                 │{7:  }7                |
 | 
						|
      {7:  }8                 │{7:  }8                |
 | 
						|
      {7:  }9                 │{7:  }9                |
 | 
						|
      {7:  }10                │{7:  }10               |
 | 
						|
      {7:  }{23:------------------}│{7:  }{22:11               }|
 | 
						|
      {1:~                   }│{1:~                  }|*2
 | 
						|
      {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
 | 
						|
      :set diffopt+=internal                  |
 | 
						|
    ]])
 | 
						|
  end)
 | 
						|
 | 
						|
  describe('normal/patience/histogram diff algorithm', function()
 | 
						|
    setup(function()
 | 
						|
      local f1 = [[#include <stdio.h>
 | 
						|
 | 
						|
// Frobs foo heartily
 | 
						|
int frobnitz(int foo)
 | 
						|
{
 | 
						|
    int i;
 | 
						|
    for(i = 0; i < 10; i++)
 | 
						|
    {
 | 
						|
        printf("Your answer is: ");
 | 
						|
        printf("%d\n", foo);
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
int fact(int n)
 | 
						|
{
 | 
						|
    if(n > 1)
 | 
						|
    {
 | 
						|
        return fact(n-1) * n;
 | 
						|
    }
 | 
						|
    return 1;
 | 
						|
}
 | 
						|
 | 
						|
int main(int argc, char **argv)
 | 
						|
{
 | 
						|
    frobnitz(fact(10));
 | 
						|
}]]
 | 
						|
      write_file(fname, f1, false)
 | 
						|
      local f2 = [[#include <stdio.h>
 | 
						|
 | 
						|
int fib(int n)
 | 
						|
{
 | 
						|
    if(n > 2)
 | 
						|
    {
 | 
						|
        return fib(n-1) + fib(n-2);
 | 
						|
    }
 | 
						|
    return 1;
 | 
						|
}
 | 
						|
 | 
						|
// Frobs foo heartily
 | 
						|
int frobnitz(int foo)
 | 
						|
{
 | 
						|
    int i;
 | 
						|
    for(i = 0; i < 10; i++)
 | 
						|
    {
 | 
						|
        printf("%d\n", foo);
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
int main(int argc, char **argv)
 | 
						|
{
 | 
						|
    frobnitz(fib(10));
 | 
						|
}]]
 | 
						|
      write_file(fname_2, f2, false)
 | 
						|
    end)
 | 
						|
 | 
						|
    it('diffopt=+algorithm:myers', function()
 | 
						|
      reread()
 | 
						|
      feed(':set diffopt=internal,filler<cr>')
 | 
						|
      screen:expect([[
 | 
						|
        {7:  }^#include <stdio.h>│{7:  }#include <stdio.h|
 | 
						|
        {7:  }                  │{7:  }                 |
 | 
						|
        {7:  }{27:// Frobs foo heart}│{7:  }{27:int fib(int n)}{4:   }|
 | 
						|
        {7:  }{22:int frobnitz(int f}│{7:  }{23:-----------------}|
 | 
						|
        {7:  }{                 │{7:  }{                |
 | 
						|
        {7:  }{4:    i}{27:nt i;}{4:        }│{7:  }{4:    i}{27:f(n > 2)}{4:    }|
 | 
						|
        {7:  }{22:    for(i = 0; i <}│{7:  }{23:-----------------}|
 | 
						|
        {7:  }    {             │{7:  }    {            |
 | 
						|
        {7:  }{4:        }{27:printf("Yo}│{7:  }{4:        }{27:return fi}|
 | 
						|
        {7:  }{22:        printf("%d}│{7:  }{23:-----------------}|
 | 
						|
        {7:  }    }             │{7:  }    }            |
 | 
						|
        {7:  }{23:------------------}│{7:  }{22:    return 1;    }|
 | 
						|
        {7:  }}                 │{7:  }}                |
 | 
						|
        {7:  }                  │{7:  }                 |
 | 
						|
        {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
 | 
						|
        :set diffopt=internal,filler            |
 | 
						|
      ]])
 | 
						|
 | 
						|
      feed('G')
 | 
						|
      screen:expect([[
 | 
						|
        {7:  }{23:------------------}│{7:  }{22:int frobnitz(int }|
 | 
						|
        {7:  }{                 │{7:  }{                |
 | 
						|
        {7:  }{4:    i}{27:f(n > 1)}{4:     }│{7:  }{4:    i}{27:nt i;}{4:       }|
 | 
						|
        {7:  }{23:------------------}│{7:  }{22:    for(i = 0; i }|
 | 
						|
        {7:  }    {             │{7:  }    {            |
 | 
						|
        {7:  }{4:        }{27:return fac}│{7:  }{4:        }{27:printf("%}|
 | 
						|
        {7:  }    }             │{7:  }    }            |
 | 
						|
        {7:  }{22:    return 1;     }│{7:  }{23:-----------------}|
 | 
						|
        {7:  }}                 │{7:  }}                |
 | 
						|
        {7:  }                  │{7:  }                 |
 | 
						|
        {7:  }int main(int argc,│{7:  }int main(int argc|
 | 
						|
        {7:  }{                 │{7:  }{                |
 | 
						|
        {7:  }{4:    frobnitz(f}{27:act}{4:(}│{7:  }{4:    frobnitz(f}{27:ib}{4:(}|
 | 
						|
        {7:  }^}                 │{7:  }}                |
 | 
						|
        {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
 | 
						|
        :set diffopt=internal,filler            |
 | 
						|
      ]])
 | 
						|
    end)
 | 
						|
 | 
						|
    it('diffopt+=algorithm:patience', function()
 | 
						|
      reread()
 | 
						|
      feed(':set diffopt=internal,filler,algorithm:patience<cr>')
 | 
						|
      screen:expect([[
 | 
						|
        {7:  }^#include <stdio.h>│{7:  }#include <stdio.h|
 | 
						|
        {7:  }                  │{7:  }                 |
 | 
						|
        {7:  }{23:------------------}│{7:  }{22:int fib(int n)   }|
 | 
						|
        {7:  }{23:------------------}│{7:  }{22:{                }|
 | 
						|
        {7:  }{23:------------------}│{7:  }{22:    if(n > 2)    }|
 | 
						|
        {7:  }{23:------------------}│{7:  }{22:    {            }|
 | 
						|
        {7:  }{23:------------------}│{7:  }{22:        return fi}|
 | 
						|
        {7:  }{23:------------------}│{7:  }{22:    }            }|
 | 
						|
        {7:  }{23:------------------}│{7:  }{22:    return 1;    }|
 | 
						|
        {7:  }{23:------------------}│{7:  }{22:}                }|
 | 
						|
        {7:  }{23:------------------}│{7:  }{22:                 }|
 | 
						|
        {7:  }// Frobs foo heart│{7:  }// Frobs foo hear|
 | 
						|
        {7:  }int frobnitz(int f│{7:  }int frobnitz(int |
 | 
						|
        {7:  }{                 │{7:  }{                |
 | 
						|
        {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
 | 
						|
                                                |
 | 
						|
      ]])
 | 
						|
 | 
						|
      feed('G')
 | 
						|
      screen:expect([[
 | 
						|
        {7:  }                  │{7:  }                 |
 | 
						|
        {7:  }{22:int fact(int n)   }│{7:  }{23:-----------------}|
 | 
						|
        {7:  }{22:{                 }│{7:  }{23:-----------------}|
 | 
						|
        {7:  }{22:    if(n > 1)     }│{7:  }{23:-----------------}|
 | 
						|
        {7:  }{22:    {             }│{7:  }{23:-----------------}|
 | 
						|
        {7:  }{22:        return fac}│{7:  }{23:-----------------}|
 | 
						|
        {7:  }{22:    }             }│{7:  }{23:-----------------}|
 | 
						|
        {7:  }{22:    return 1;     }│{7:  }{23:-----------------}|
 | 
						|
        {7:  }{22:}                 }│{7:  }{23:-----------------}|
 | 
						|
        {7:  }{22:                  }│{7:  }{23:-----------------}|
 | 
						|
        {7:  }int main(int argc,│{7:  }int main(int argc|
 | 
						|
        {7:  }{                 │{7:  }{                |
 | 
						|
        {7:  }{4:    frobnitz(f}{27:act}{4:(}│{7:  }{4:    frobnitz(f}{27:ib}{4:(}|
 | 
						|
        {7:  }^}                 │{7:  }}                |
 | 
						|
        {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
 | 
						|
                                                |
 | 
						|
      ]])
 | 
						|
    end)
 | 
						|
 | 
						|
    it('diffopt+=algorithm:histogram', function()
 | 
						|
      reread()
 | 
						|
      feed(':set diffopt=internal,filler,algorithm:histogram<cr>')
 | 
						|
      screen:expect([[
 | 
						|
        {7:  }^#include <stdio.h>│{7:  }#include <stdio.h|
 | 
						|
        {7:  }                  │{7:  }                 |
 | 
						|
        {7:  }{23:------------------}│{7:  }{22:int fib(int n)   }|
 | 
						|
        {7:  }{23:------------------}│{7:  }{22:{                }|
 | 
						|
        {7:  }{23:------------------}│{7:  }{22:    if(n > 2)    }|
 | 
						|
        {7:  }{23:------------------}│{7:  }{22:    {            }|
 | 
						|
        {7:  }{23:------------------}│{7:  }{22:        return fi}|
 | 
						|
        {7:  }{23:------------------}│{7:  }{22:    }            }|
 | 
						|
        {7:  }{23:------------------}│{7:  }{22:    return 1;    }|
 | 
						|
        {7:  }{23:------------------}│{7:  }{22:}                }|
 | 
						|
        {7:  }{23:------------------}│{7:  }{22:                 }|
 | 
						|
        {7:  }// Frobs foo heart│{7:  }// Frobs foo hear|
 | 
						|
        {7:  }int frobnitz(int f│{7:  }int frobnitz(int |
 | 
						|
        {7:  }{                 │{7:  }{                |
 | 
						|
        {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
 | 
						|
                                                |
 | 
						|
      ]])
 | 
						|
 | 
						|
      feed('G')
 | 
						|
      screen:expect([[
 | 
						|
        {7:  }                  │{7:  }                 |
 | 
						|
        {7:  }{22:int fact(int n)   }│{7:  }{23:-----------------}|
 | 
						|
        {7:  }{22:{                 }│{7:  }{23:-----------------}|
 | 
						|
        {7:  }{22:    if(n > 1)     }│{7:  }{23:-----------------}|
 | 
						|
        {7:  }{22:    {             }│{7:  }{23:-----------------}|
 | 
						|
        {7:  }{22:        return fac}│{7:  }{23:-----------------}|
 | 
						|
        {7:  }{22:    }             }│{7:  }{23:-----------------}|
 | 
						|
        {7:  }{22:    return 1;     }│{7:  }{23:-----------------}|
 | 
						|
        {7:  }{22:}                 }│{7:  }{23:-----------------}|
 | 
						|
        {7:  }{22:                  }│{7:  }{23:-----------------}|
 | 
						|
        {7:  }int main(int argc,│{7:  }int main(int argc|
 | 
						|
        {7:  }{                 │{7:  }{                |
 | 
						|
        {7:  }{4:    frobnitz(f}{27:act}{4:(}│{7:  }{4:    frobnitz(f}{27:ib}{4:(}|
 | 
						|
        {7:  }^}                 │{7:  }}                |
 | 
						|
        {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
 | 
						|
                                                |
 | 
						|
      ]])
 | 
						|
    end)
 | 
						|
  end)
 | 
						|
 | 
						|
  describe('diffopt+=indent-heuristic', function()
 | 
						|
    setup(function()
 | 
						|
      local f1 = [[
 | 
						|
  def finalize(values)
 | 
						|
 | 
						|
    values.each do |v|
 | 
						|
      v.finalize
 | 
						|
    end]]
 | 
						|
      write_file(fname, f1, false)
 | 
						|
      local f2 = [[
 | 
						|
  def finalize(values)
 | 
						|
 | 
						|
    values.each do |v|
 | 
						|
      v.prepare
 | 
						|
    end
 | 
						|
 | 
						|
    values.each do |v|
 | 
						|
      v.finalize
 | 
						|
    end]]
 | 
						|
      write_file(fname_2, f2, false)
 | 
						|
      feed(':diffupdate!<cr>')
 | 
						|
    end)
 | 
						|
 | 
						|
    it('internal', function()
 | 
						|
      reread()
 | 
						|
      feed(':set diffopt=internal,filler<cr>')
 | 
						|
      screen:expect([[
 | 
						|
        {7:  }^def finalize(value│{7:  }def finalize(valu|
 | 
						|
        {7:  }                  │{7:  }                 |
 | 
						|
        {7:  }  values.each do |│{7:  }  values.each do |
 | 
						|
        {7:  }{23:------------------}│{7:  }{22:    v.prepare    }|
 | 
						|
        {7:  }{23:------------------}│{7:  }{22:  end            }|
 | 
						|
        {7:  }{23:------------------}│{7:  }{22:                 }|
 | 
						|
        {7:  }{23:------------------}│{7:  }{22:  values.each do }|
 | 
						|
        {7:  }    v.finalize    │{7:  }    v.finalize   |
 | 
						|
        {7:  }  end             │{7:  }  end            |
 | 
						|
        {1:~                   }│{1:~                  }|*5
 | 
						|
        {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
 | 
						|
        :set diffopt=internal,filler            |
 | 
						|
      ]])
 | 
						|
    end)
 | 
						|
 | 
						|
    it('indent-heuristic', function()
 | 
						|
      reread()
 | 
						|
      feed(':set diffopt=internal,filler,indent-heuristic<cr>')
 | 
						|
      screen:expect([[
 | 
						|
        {7:  }^def finalize(value│{7:  }def finalize(valu|
 | 
						|
        {7:  }                  │{7:  }                 |
 | 
						|
        {7:  }{23:------------------}│{7:  }{22:  values.each do }|
 | 
						|
        {7:  }{23:------------------}│{7:  }{22:    v.prepare    }|
 | 
						|
        {7:  }{23:------------------}│{7:  }{22:  end            }|
 | 
						|
        {7:  }{23:------------------}│{7:  }{22:                 }|
 | 
						|
        {7:  }  values.each do |│{7:  }  values.each do |
 | 
						|
        {7:  }    v.finalize    │{7:  }    v.finalize   |
 | 
						|
        {7:  }  end             │{7:  }  end            |
 | 
						|
        {1:~                   }│{1:~                  }|*5
 | 
						|
        {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
 | 
						|
                                                |
 | 
						|
      ]])
 | 
						|
    end)
 | 
						|
 | 
						|
    it('indent-heuristic random order', function()
 | 
						|
      reread()
 | 
						|
      feed(':set diffopt=internal,filler,indent-heuristic,algorithm:patience<cr>')
 | 
						|
      feed(':<cr>')
 | 
						|
      screen:expect([[
 | 
						|
        {7:  }^def finalize(value│{7:  }def finalize(valu|
 | 
						|
        {7:  }                  │{7:  }                 |
 | 
						|
        {7:  }{23:------------------}│{7:  }{22:  values.each do }|
 | 
						|
        {7:  }{23:------------------}│{7:  }{22:    v.prepare    }|
 | 
						|
        {7:  }{23:------------------}│{7:  }{22:  end            }|
 | 
						|
        {7:  }{23:------------------}│{7:  }{22:                 }|
 | 
						|
        {7:  }  values.each do |│{7:  }  values.each do |
 | 
						|
        {7:  }    v.finalize    │{7:  }    v.finalize   |
 | 
						|
        {7:  }  end             │{7:  }  end            |
 | 
						|
        {1:~                   }│{1:~                  }|*5
 | 
						|
        {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
 | 
						|
        :                                       |
 | 
						|
      ]])
 | 
						|
    end)
 | 
						|
  end)
 | 
						|
 | 
						|
  it('Diff the same file', function()
 | 
						|
    write_file(fname, '1\n2\n3\n4\n5\n6\n7\n8\n9\n10\n', false)
 | 
						|
    write_file(fname_2, '1\n2\n3\n4\n5\n6\n7\n8\n9\n10\n', false)
 | 
						|
    reread()
 | 
						|
 | 
						|
    feed(':set diffopt=filler<cr>')
 | 
						|
    screen:expect([[
 | 
						|
      {7:+ }{13:^+-- 10 lines: 1···}│{7:+ }{13:+-- 10 lines: 1··}|
 | 
						|
      {1:~                   }│{1:~                  }|*13
 | 
						|
      {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
 | 
						|
      :set diffopt=filler                     |
 | 
						|
    ]])
 | 
						|
 | 
						|
    feed(':set diffopt+=internal<cr>')
 | 
						|
    screen:expect([[
 | 
						|
      {7:+ }{13:^+-- 10 lines: 1···}│{7:+ }{13:+-- 10 lines: 1··}|
 | 
						|
      {1:~                   }│{1:~                  }|*13
 | 
						|
      {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
 | 
						|
      :set diffopt+=internal                  |
 | 
						|
    ]])
 | 
						|
  end)
 | 
						|
 | 
						|
  it('Diff an empty file', function()
 | 
						|
    write_file(fname, '', false)
 | 
						|
    write_file(fname_2, '', false)
 | 
						|
    reread()
 | 
						|
 | 
						|
    feed(':set diffopt=filler<cr>')
 | 
						|
    screen:expect([[
 | 
						|
      {7:- }^                  │{7:- }                 |
 | 
						|
      {1:~                   }│{1:~                  }|*13
 | 
						|
      {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
 | 
						|
      :set diffopt=filler                     |
 | 
						|
    ]])
 | 
						|
 | 
						|
    feed(':set diffopt+=internal<cr>')
 | 
						|
    screen:expect([[
 | 
						|
      {7:- }^                  │{7:- }                 |
 | 
						|
      {1:~                   }│{1:~                  }|*13
 | 
						|
      {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
 | 
						|
      :set diffopt+=internal                  |
 | 
						|
    ]])
 | 
						|
  end)
 | 
						|
 | 
						|
  it('diffopt+=icase', function()
 | 
						|
    write_file(fname, 'a\nb\ncd\n', false)
 | 
						|
    write_file(fname_2, 'A\nb\ncDe\n', false)
 | 
						|
    reread()
 | 
						|
 | 
						|
    feed(':set diffopt=filler,icase<cr>')
 | 
						|
    screen:expect([[
 | 
						|
      {7:  }^a                 │{7:  }A                |
 | 
						|
      {7:  }b                 │{7:  }b                |
 | 
						|
      {7:  }{4:cd                }│{7:  }{4:cD}{27:e}{4:              }|
 | 
						|
      {1:~                   }│{1:~                  }|*11
 | 
						|
      {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
 | 
						|
      :set diffopt=filler,icase               |
 | 
						|
    ]])
 | 
						|
 | 
						|
    feed(':set diffopt+=internal<cr>')
 | 
						|
    screen:expect([[
 | 
						|
      {7:  }^a                 │{7:  }A                |
 | 
						|
      {7:  }b                 │{7:  }b                |
 | 
						|
      {7:  }{4:cd                }│{7:  }{4:cD}{27:e}{4:              }|
 | 
						|
      {1:~                   }│{1:~                  }|*11
 | 
						|
      {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
 | 
						|
      :set diffopt+=internal                  |
 | 
						|
    ]])
 | 
						|
  end)
 | 
						|
 | 
						|
  describe('diffopt+=iwhite', function()
 | 
						|
    setup(function()
 | 
						|
      local f1 = 'int main()\n{\n   printf("Hello, World!");\n   return 0;\n}\n'
 | 
						|
      write_file(fname, f1, false)
 | 
						|
      local f2 =
 | 
						|
        'int main()\n{\n   if (0)\n   {\n      printf("Hello, World!");\n      return 0;\n   }\n}\n'
 | 
						|
      write_file(fname_2, f2, false)
 | 
						|
      feed(':diffupdate!<cr>')
 | 
						|
    end)
 | 
						|
 | 
						|
    it('external', function()
 | 
						|
      reread()
 | 
						|
      feed(':set diffopt=filler,iwhite<cr>')
 | 
						|
      screen:expect([[
 | 
						|
        {7:  }^int main()        │{7:  }int main()       |
 | 
						|
        {7:  }{                 │{7:  }{                |
 | 
						|
        {7:  }{23:------------------}│{7:  }{22:   if (0)        }|
 | 
						|
        {7:  }{23:------------------}│{7:  }{22:   {             }|
 | 
						|
        {7:  }   printf("Hello, │{7:  }      printf("Hel|
 | 
						|
        {7:  }   return 0;      │{7:  }      return 0;  |
 | 
						|
        {7:  }{23:------------------}│{7:  }{22:   }             }|
 | 
						|
        {7:  }}                 │{7:  }}                |
 | 
						|
        {1:~                   }│{1:~                  }|*6
 | 
						|
        {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
 | 
						|
        :set diffopt=filler,iwhite              |
 | 
						|
      ]])
 | 
						|
    end)
 | 
						|
 | 
						|
    it('internal', function()
 | 
						|
      reread()
 | 
						|
      feed(':set diffopt=filler,iwhite,internal<cr>')
 | 
						|
      screen:expect([[
 | 
						|
        {7:  }^int main()        │{7:  }int main()       |
 | 
						|
        {7:  }{                 │{7:  }{                |
 | 
						|
        {7:  }{23:------------------}│{7:  }{22:   if (0)        }|
 | 
						|
        {7:  }{23:------------------}│{7:  }{22:   {             }|
 | 
						|
        {7:  }   printf("Hello, │{7:  }      printf("Hel|
 | 
						|
        {7:  }   return 0;      │{7:  }      return 0;  |
 | 
						|
        {7:  }{23:------------------}│{7:  }{22:   }             }|
 | 
						|
        {7:  }}                 │{7:  }}                |
 | 
						|
        {1:~                   }│{1:~                  }|*6
 | 
						|
        {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
 | 
						|
        :set diffopt=filler,iwhite,internal     |
 | 
						|
      ]])
 | 
						|
    end)
 | 
						|
  end)
 | 
						|
 | 
						|
  describe('diffopt+=iblank', function()
 | 
						|
    setup(function()
 | 
						|
      write_file(fname, 'a\n\n \ncd\nef\nxxx\n', false)
 | 
						|
      write_file(fname_2, 'a\ncd\n\nef\nyyy\n', false)
 | 
						|
      feed(':diffupdate!<cr>')
 | 
						|
    end)
 | 
						|
 | 
						|
    it('generic', function()
 | 
						|
      reread()
 | 
						|
      feed(':set diffopt=internal,filler,iblank<cr>')
 | 
						|
      screen:expect([[
 | 
						|
        {7:  }^a                 │{7:  }a                |
 | 
						|
        {7:  }{22:                  }│{7:  }{23:-----------------}|*2
 | 
						|
        {7:  }cd                │{7:  }cd               |
 | 
						|
        {7:  }ef                │{7:  }                 |
 | 
						|
        {7:  }{27:xxx}{4:               }│{7:  }ef               |
 | 
						|
        {1:~                   }│{7:  }{27:yyy}{4:              }|
 | 
						|
        {1:~                   }│{1:~                  }|*7
 | 
						|
        {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
 | 
						|
        :set diffopt=internal,filler,iblank     |
 | 
						|
      ]])
 | 
						|
    end)
 | 
						|
 | 
						|
    it('diffopt+=iwhite', function()
 | 
						|
      reread()
 | 
						|
      feed(':set diffopt=internal,filler,iblank,iwhite<cr>')
 | 
						|
      feed(':<cr>')
 | 
						|
      screen:expect([[
 | 
						|
        {7:  }^a                 │{7:  }a                |
 | 
						|
        {7:  }                  │{7:  }cd               |
 | 
						|
        {7:  }                  │{7:  }                 |
 | 
						|
        {7:  }cd                │{7:  }ef               |
 | 
						|
        {7:  }ef                │{7:  }{27:yyy}{4:              }|
 | 
						|
        {7:  }{27:xxx}{4:               }│{1:~                  }|
 | 
						|
        {1:~                   }│{1:~                  }|*8
 | 
						|
        {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
 | 
						|
        :                                       |
 | 
						|
      ]])
 | 
						|
    end)
 | 
						|
 | 
						|
    it('diffopt+=iwhiteall', function()
 | 
						|
      reread()
 | 
						|
      feed(':set diffopt=internal,filler,iblank,iwhiteall<cr>')
 | 
						|
      feed(':<cr>')
 | 
						|
      screen:expect([[
 | 
						|
        {7:  }^a                 │{7:  }a                |
 | 
						|
        {7:  }                  │{7:  }cd               |
 | 
						|
        {7:  }                  │{7:  }                 |
 | 
						|
        {7:  }cd                │{7:  }ef               |
 | 
						|
        {7:  }ef                │{7:  }{27:yyy}{4:              }|
 | 
						|
        {7:  }{27:xxx}{4:               }│{1:~                  }|
 | 
						|
        {1:~                   }│{1:~                  }|*8
 | 
						|
        {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
 | 
						|
        :                                       |
 | 
						|
      ]])
 | 
						|
    end)
 | 
						|
 | 
						|
    it('diffopt+=iwhiteeol', function()
 | 
						|
      reread()
 | 
						|
      feed(':set diffopt=internal,filler,iblank,iwhiteeol<cr>')
 | 
						|
      feed(':<cr>')
 | 
						|
      screen:expect([[
 | 
						|
        {7:  }^a                 │{7:  }a                |
 | 
						|
        {7:  }                  │{7:  }cd               |
 | 
						|
        {7:  }                  │{7:  }                 |
 | 
						|
        {7:  }cd                │{7:  }ef               |
 | 
						|
        {7:  }ef                │{7:  }{27:yyy}{4:              }|
 | 
						|
        {7:  }{27:xxx}{4:               }│{1:~                  }|
 | 
						|
        {1:~                   }│{1:~                  }|*8
 | 
						|
        {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
 | 
						|
        :                                       |
 | 
						|
      ]])
 | 
						|
    end)
 | 
						|
  end)
 | 
						|
 | 
						|
  describe('diffopt+=iwhite{eol,all}', function()
 | 
						|
    setup(function()
 | 
						|
      write_file(fname, 'a \nx\ncd\nef\nxx  xx\nfoo\nbar\n', false)
 | 
						|
      write_file(fname_2, 'a\nx\nc d\n ef\nxx xx\nfoo\n\nbar\n', false)
 | 
						|
      feed(':diffupdate!<cr>')
 | 
						|
    end)
 | 
						|
 | 
						|
    it('diffopt+=iwhiteeol', function()
 | 
						|
      reread()
 | 
						|
      feed(':set diffopt=internal,filler,iwhiteeol<cr>')
 | 
						|
      feed(':<cr>')
 | 
						|
      screen:expect([[
 | 
						|
        {7:  }^a                 │{7:  }a                |
 | 
						|
        {7:  }x                 │{7:  }x                |
 | 
						|
        {7:  }{4:cd                }│{7:  }{4:c}{27: }{4:d              }|
 | 
						|
        {7:  }{4:ef                }│{7:  }{27: }{4:ef              }|
 | 
						|
        {7:  }{4:xx }{27: }{4:xx            }│{7:  }{4:xx xx            }|
 | 
						|
        {7:  }foo               │{7:  }foo              |
 | 
						|
        {7:  }{23:------------------}│{7:  }{22:                 }|
 | 
						|
        {7:  }bar               │{7:  }bar              |
 | 
						|
        {1:~                   }│{1:~                  }|*6
 | 
						|
        {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
 | 
						|
        :                                       |
 | 
						|
      ]])
 | 
						|
    end)
 | 
						|
 | 
						|
    it('diffopt+=iwhiteall', function()
 | 
						|
      reread()
 | 
						|
      feed(':set diffopt=internal,filler,iwhiteall<cr>')
 | 
						|
      feed(':<cr>')
 | 
						|
      screen:expect([[
 | 
						|
        {7:  }^a                 │{7:  }a                |
 | 
						|
        {7:  }x                 │{7:  }x                |
 | 
						|
        {7:  }cd                │{7:  }c d              |
 | 
						|
        {7:  }ef                │{7:  } ef              |
 | 
						|
        {7:  }xx  xx            │{7:  }xx xx            |
 | 
						|
        {7:  }foo               │{7:  }foo              |
 | 
						|
        {7:  }{23:------------------}│{7:  }{22:                 }|
 | 
						|
        {7:  }bar               │{7:  }bar              |
 | 
						|
        {1:~                   }│{1:~                  }|*6
 | 
						|
        {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
 | 
						|
        :                                       |
 | 
						|
      ]])
 | 
						|
    end)
 | 
						|
  end)
 | 
						|
 | 
						|
  -- oldtest: Test_diff_scroll()
 | 
						|
  -- This was scrolling for 'cursorbind' but 'scrollbind' is more important
 | 
						|
  it('scrolling works correctly vim-patch:8.2.5155', function()
 | 
						|
    screen:try_resize(40, 12)
 | 
						|
    write_file(
 | 
						|
      fname,
 | 
						|
      dedent([[
 | 
						|
      line 1
 | 
						|
      line 2
 | 
						|
      line 3
 | 
						|
      line 4
 | 
						|
 | 
						|
      // Common block
 | 
						|
      // one
 | 
						|
      // containing
 | 
						|
      // four lines
 | 
						|
 | 
						|
      // Common block
 | 
						|
      // two
 | 
						|
      // containing
 | 
						|
      // four lines]]),
 | 
						|
      false
 | 
						|
    )
 | 
						|
    write_file(
 | 
						|
      fname_2,
 | 
						|
      dedent([[
 | 
						|
      line 1
 | 
						|
      line 2
 | 
						|
      line 3
 | 
						|
      line 4
 | 
						|
 | 
						|
      Lorem
 | 
						|
      ipsum
 | 
						|
      dolor
 | 
						|
      sit
 | 
						|
      amet,
 | 
						|
      consectetur
 | 
						|
      adipiscing
 | 
						|
      elit.
 | 
						|
      Etiam
 | 
						|
      luctus
 | 
						|
      lectus
 | 
						|
      sodales,
 | 
						|
      dictum
 | 
						|
 | 
						|
      // Common block
 | 
						|
      // one
 | 
						|
      // containing
 | 
						|
      // four lines
 | 
						|
 | 
						|
      Vestibulum
 | 
						|
      tincidunt
 | 
						|
      aliquet
 | 
						|
      nulla.
 | 
						|
 | 
						|
      // Common block
 | 
						|
      // two
 | 
						|
      // containing
 | 
						|
      // four lines]]),
 | 
						|
      false
 | 
						|
    )
 | 
						|
    reread()
 | 
						|
 | 
						|
    feed('<C-W><C-W>jjjj')
 | 
						|
    screen:expect([[
 | 
						|
      {7:  }line 1           │{7:  }line 1            |
 | 
						|
      {7:  }line 2           │{7:  }line 2            |
 | 
						|
      {7:  }line 3           │{7:  }line 3            |
 | 
						|
      {7:  }line 4           │{7:  }line 4            |
 | 
						|
      {7:  }                 │{7:  }^                  |
 | 
						|
      {7:  }{23:-----------------}│{7:  }{22:Lorem             }|
 | 
						|
      {7:  }{23:-----------------}│{7:  }{22:ipsum             }|
 | 
						|
      {7:  }{23:-----------------}│{7:  }{22:dolor             }|
 | 
						|
      {7:  }{23:-----------------}│{7:  }{22:sit               }|
 | 
						|
      {7:  }{23:-----------------}│{7:  }{22:amet,             }|
 | 
						|
      {2:<nal-diff-screen-1  }{3:<al-diff-screen-1.2 }|
 | 
						|
      :e                                      |
 | 
						|
    ]])
 | 
						|
    feed('j')
 | 
						|
    screen:expect([[
 | 
						|
      {7:  }line 1           │{7:  }line 1            |
 | 
						|
      {7:  }line 2           │{7:  }line 2            |
 | 
						|
      {7:  }line 3           │{7:  }line 3            |
 | 
						|
      {7:  }line 4           │{7:  }line 4            |
 | 
						|
      {7:  }                 │{7:  }                  |
 | 
						|
      {7:  }{23:-----------------}│{7:  }{22:^Lorem             }|
 | 
						|
      {7:  }{23:-----------------}│{7:  }{22:ipsum             }|
 | 
						|
      {7:  }{23:-----------------}│{7:  }{22:dolor             }|
 | 
						|
      {7:  }{23:-----------------}│{7:  }{22:sit               }|
 | 
						|
      {7:  }{23:-----------------}│{7:  }{22:amet,             }|
 | 
						|
      {2:<nal-diff-screen-1  }{3:<al-diff-screen-1.2 }|
 | 
						|
      :e                                      |
 | 
						|
    ]])
 | 
						|
  end)
 | 
						|
 | 
						|
  describe('line matching diff algorithm', function()
 | 
						|
    setup(function()
 | 
						|
      local f1 = [[if __name__ == "__main__":
 | 
						|
    import sys
 | 
						|
    app = QWidgets.QApplication(sys.args)
 | 
						|
    MainWindow = QtWidgets.QMainWindow()
 | 
						|
    ui = UI_MainWindow()
 | 
						|
    ui.setupUI(MainWindow)
 | 
						|
    MainWindow.show()
 | 
						|
    sys.exit(app.exec_())]]
 | 
						|
      write_file(fname, f1, false)
 | 
						|
      local f2 = [[if __name__ == "__main__":
 | 
						|
    import sys
 | 
						|
    comment these things
 | 
						|
    #app = QWidgets.QApplication(sys.args)
 | 
						|
    #MainWindow = QtWidgets.QMainWindow()
 | 
						|
    add a completely different line here
 | 
						|
    #ui = UI_MainWindow()
 | 
						|
    add another new line
 | 
						|
    ui.setupUI(MainWindow)
 | 
						|
    MainWindow.show()
 | 
						|
    sys.exit(app.exec_())]]
 | 
						|
      write_file(fname_2, f2, false)
 | 
						|
    end)
 | 
						|
 | 
						|
    it('diffopt+=linematch:20', function()
 | 
						|
      reread()
 | 
						|
      feed(':set diffopt=internal,filler<cr>')
 | 
						|
      screen:expect([[
 | 
						|
  {7:  }^if __name__ == "__│{7:  }if __name__ == "_|
 | 
						|
  {7:  }    import sys    │{7:  }    import sys   |
 | 
						|
  {7:  }{4:    }{27:app = QWidgets}│{7:  }{4:    }{27:comment these}|
 | 
						|
  {7:  }{4:    }{27:MainWindow = Q}│{7:  }{4:    }{27:#app = QWidge}|
 | 
						|
  {7:  }{4:    }{27:ui = UI_}{4:MainWi}│{7:  }{4:    }{27:#MainWindow =}|
 | 
						|
  {7:  }{23:------------------}│{7:  }{22:    add a complet}|
 | 
						|
  {7:  }{23:------------------}│{7:  }{22:    #ui = UI_Main}|
 | 
						|
  {7:  }{23:------------------}│{7:  }{22:    add another n}|
 | 
						|
  {7:  }    ui.setupUI(Mai│{7:  }    ui.setupUI(Ma|
 | 
						|
  {7:  }    MainWindow.sho│{7:  }    MainWindow.sh|
 | 
						|
  {7:  }    sys.exit(app.e│{7:  }    sys.exit(app.|
 | 
						|
  {1:~                   }│{1:~                  }|*3
 | 
						|
  {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
 | 
						|
  :set diffopt=internal,filler            |
 | 
						|
      ]])
 | 
						|
 | 
						|
      feed('G')
 | 
						|
      feed(':set diffopt+=linematch:20<cr>')
 | 
						|
      screen:expect([[
 | 
						|
        {7:  }if __name__ == "__│{7:  }if __name__ == "_|
 | 
						|
        {7:  }    import sys    │{7:  }    import sys   |
 | 
						|
        {7:  }{23:------------------}│{7:  }{22:    comment these}|
 | 
						|
        {7:  }{4:    app = QWidgets}│{7:  }{4:    }{27:#}{4:app = QWidge}|
 | 
						|
        {7:  }{4:    MainWindow = Q}│{7:  }{4:    }{27:#}{4:MainWindow =}|
 | 
						|
        {7:  }{23:------------------}│{7:  }{22:    add a complet}|
 | 
						|
        {7:  }{4:    ui = UI_MainWi}│{7:  }{4:    }{27:#}{4:ui = UI_Main}|
 | 
						|
        {7:  }{23:------------------}│{7:  }{22:    add another n}|
 | 
						|
        {7:  }    ui.setupUI(Mai│{7:  }    ui.setupUI(Ma|
 | 
						|
        {7:  }    MainWindow.sho│{7:  }    MainWindow.sh|
 | 
						|
        {7:  }    ^sys.exit(app.e│{7:  }    sys.exit(app.|
 | 
						|
        {1:~                   }│{1:~                  }|*3
 | 
						|
        {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
 | 
						|
        :set diffopt+=linematch:20              |
 | 
						|
      ]])
 | 
						|
    end)
 | 
						|
  end)
 | 
						|
 | 
						|
  describe('line matching diff algorithm with icase', function()
 | 
						|
    setup(function()
 | 
						|
      local f1 = [[DDD
 | 
						|
_aa]]
 | 
						|
      write_file(fname, f1, false)
 | 
						|
      local f2 = [[DDD
 | 
						|
AAA
 | 
						|
ccca]]
 | 
						|
      write_file(fname_2, f2, false)
 | 
						|
    end)
 | 
						|
    it('diffopt+=linematch:20,icase', function()
 | 
						|
      reread()
 | 
						|
      feed(':set diffopt=internal,filler,linematch:20<cr>')
 | 
						|
      screen:expect([[
 | 
						|
        {7:  }^DDD               │{7:  }DDD              |
 | 
						|
        {7:  }{23:------------------}│{7:  }{22:AAA              }|
 | 
						|
        {7:  }{27:_a}{4:a               }│{7:  }{27:ccc}{4:a             }|
 | 
						|
        {1:~                   }│{1:~                  }|*11
 | 
						|
        {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
 | 
						|
                                                |
 | 
						|
      ]])
 | 
						|
      feed(':set diffopt+=icase<cr>')
 | 
						|
      screen:expect([[
 | 
						|
        {7:  }^DDD               │{7:  }DDD              |
 | 
						|
        {7:  }{27:_}{4:aa               }│{7:  }{27:A}{4:AA              }|
 | 
						|
        {7:  }{23:------------------}│{7:  }{22:ccca             }|
 | 
						|
        {1:~                   }│{1:~                  }|*11
 | 
						|
        {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
 | 
						|
        :set diffopt+=icase                     |
 | 
						|
      ]])
 | 
						|
    end)
 | 
						|
  end)
 | 
						|
 | 
						|
  describe('line matching diff algorithm with iwhiteall', function()
 | 
						|
    setup(function()
 | 
						|
      local f1 = [[BB
 | 
						|
   AAA]]
 | 
						|
      write_file(fname, f1, false)
 | 
						|
      local f2 = [[BB
 | 
						|
   AAB
 | 
						|
AAAB]]
 | 
						|
      write_file(fname_2, f2, false)
 | 
						|
    end)
 | 
						|
    it('diffopt+=linematch:20,iwhiteall', function()
 | 
						|
      reread()
 | 
						|
      feed(':set diffopt=internal,filler,linematch:20<cr>')
 | 
						|
      screen:expect {
 | 
						|
        grid = [[
 | 
						|
        {7:  }^BB                │{7:  }BB               |
 | 
						|
        {7:  }{4:   AA}{27:A}{4:            }│{7:  }{4:   AA}{27:B}{4:           }|
 | 
						|
        {7:  }{23:------------------}│{7:  }{22:AAAB             }|
 | 
						|
        {1:~                   }│{1:~                  }|*11
 | 
						|
        {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
 | 
						|
                                                |
 | 
						|
      ]],
 | 
						|
      }
 | 
						|
      feed(':set diffopt+=iwhiteall<cr>')
 | 
						|
      screen:expect {
 | 
						|
        grid = [[
 | 
						|
        {7:  }^BB                │{7:  }BB               |
 | 
						|
        {7:  }{23:------------------}│{7:  }{22:   AAB           }|
 | 
						|
        {7:  }{4:   AAA            }│{7:  }{4:AAA}{27:B}{4:             }|
 | 
						|
        {1:~                   }│{1:~                  }|*11
 | 
						|
        {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
 | 
						|
        :set diffopt+=iwhiteall                 |
 | 
						|
      ]],
 | 
						|
      }
 | 
						|
    end)
 | 
						|
  end)
 | 
						|
 | 
						|
  it('redraws with a change to non-current buffer', function()
 | 
						|
    write_file(fname, 'aaa\nbbb\nccc\n\nxx', false)
 | 
						|
    write_file(fname_2, 'aaa\nbbb\nccc\n\nyy', false)
 | 
						|
    reread()
 | 
						|
    local buf = api.nvim_get_current_buf()
 | 
						|
    command('botright new')
 | 
						|
    screen:expect {
 | 
						|
      grid = [[
 | 
						|
      {7:  }aaa               │{7:  }aaa              |
 | 
						|
      {7:  }bbb               │{7:  }bbb              |
 | 
						|
      {7:  }ccc               │{7:  }ccc              |
 | 
						|
      {7:  }                  │{7:  }                 |
 | 
						|
      {7:  }{27:xx}{4:                }│{7:  }{27:yy}{4:               }|
 | 
						|
      {1:~                   }│{1:~                  }|
 | 
						|
      {2:<onal-diff-screen-1  <l-diff-screen-1.2 }|
 | 
						|
      ^                                        |
 | 
						|
      {1:~                                       }|*6
 | 
						|
      {3:[No Name]                               }|
 | 
						|
      :e                                      |
 | 
						|
    ]],
 | 
						|
    }
 | 
						|
 | 
						|
    api.nvim_buf_set_lines(buf, 1, 2, true, { 'BBB' })
 | 
						|
    screen:expect {
 | 
						|
      grid = [[
 | 
						|
      {7:  }aaa               │{7:  }aaa              |
 | 
						|
      {7:  }{27:BBB}{4:               }│{7:  }{27:bbb}{4:              }|
 | 
						|
      {7:  }ccc               │{7:  }ccc              |
 | 
						|
      {7:  }                  │{7:  }                 |
 | 
						|
      {7:  }{27:xx}{4:                }│{7:  }{27:yy}{4:               }|
 | 
						|
      {1:~                   }│{1:~                  }|
 | 
						|
      {2:<-diff-screen-1 [+]  <l-diff-screen-1.2 }|
 | 
						|
      ^                                        |
 | 
						|
      {1:~                                       }|*6
 | 
						|
      {3:[No Name]                               }|
 | 
						|
      :e                                      |
 | 
						|
    ]],
 | 
						|
    }
 | 
						|
  end)
 | 
						|
 | 
						|
  it('redraws with a change current buffer in another window', function()
 | 
						|
    write_file(fname, 'aaa\nbbb\nccc\n\nxx', false)
 | 
						|
    write_file(fname_2, 'aaa\nbbb\nccc\n\nyy', false)
 | 
						|
    reread()
 | 
						|
    local buf = api.nvim_get_current_buf()
 | 
						|
    command('botright split | diffoff')
 | 
						|
    screen:expect {
 | 
						|
      grid = [[
 | 
						|
      {7:  }aaa               │{7:  }aaa              |
 | 
						|
      {7:  }bbb               │{7:  }bbb              |
 | 
						|
      {7:  }ccc               │{7:  }ccc              |
 | 
						|
      {7:  }                  │{7:  }                 |
 | 
						|
      {7:  }{27:xx}{4:                }│{7:  }{27:yy}{4:               }|
 | 
						|
      {1:~                   }│{1:~                  }|
 | 
						|
      {2:<onal-diff-screen-1  <l-diff-screen-1.2 }|
 | 
						|
      ^aaa                                     |
 | 
						|
      bbb                                     |
 | 
						|
      ccc                                     |
 | 
						|
                                              |
 | 
						|
      xx                                      |
 | 
						|
      {1:~                                       }|*2
 | 
						|
      {3:Xtest-functional-diff-screen-1          }|
 | 
						|
      :e                                      |
 | 
						|
    ]],
 | 
						|
    }
 | 
						|
 | 
						|
    api.nvim_buf_set_lines(buf, 1, 2, true, { 'BBB' })
 | 
						|
    screen:expect {
 | 
						|
      grid = [[
 | 
						|
      {7:  }aaa               │{7:  }aaa              |
 | 
						|
      {7:  }{27:BBB}{4:               }│{7:  }{27:bbb}{4:              }|
 | 
						|
      {7:  }ccc               │{7:  }ccc              |
 | 
						|
      {7:  }                  │{7:  }                 |
 | 
						|
      {7:  }{27:xx}{4:                }│{7:  }{27:yy}{4:               }|
 | 
						|
      {1:~                   }│{1:~                  }|
 | 
						|
      {2:<-diff-screen-1 [+]  <l-diff-screen-1.2 }|
 | 
						|
      ^aaa                                     |
 | 
						|
      BBB                                     |
 | 
						|
      ccc                                     |
 | 
						|
                                              |
 | 
						|
      xx                                      |
 | 
						|
      {1:~                                       }|*2
 | 
						|
      {3:Xtest-functional-diff-screen-1 [+]      }|
 | 
						|
      :e                                      |
 | 
						|
    ]],
 | 
						|
    }
 | 
						|
  end)
 | 
						|
end)
 | 
						|
 | 
						|
it('win_update redraws lines properly', function()
 | 
						|
  local screen
 | 
						|
  screen = Screen.new(50, 10)
 | 
						|
  screen:attach()
 | 
						|
  screen:set_default_attr_ids({
 | 
						|
    [1] = { bold = true, foreground = Screen.colors.Blue1 },
 | 
						|
    [2] = { foreground = Screen.colors.Grey100, background = Screen.colors.Red },
 | 
						|
    [3] = {
 | 
						|
      background = Screen.colors.Red,
 | 
						|
      foreground = Screen.colors.Grey100,
 | 
						|
      special = Screen.colors.Yellow,
 | 
						|
    },
 | 
						|
    [4] = { bold = true, foreground = Screen.colors.SeaGreen4 },
 | 
						|
    [5] = { special = Screen.colors.Yellow },
 | 
						|
    [6] = { special = Screen.colors.Yellow, bold = true, foreground = Screen.colors.SeaGreen4 },
 | 
						|
    [7] = { foreground = Screen.colors.Grey0, background = Screen.colors.Grey100 },
 | 
						|
    [8] = { foreground = Screen.colors.Gray90, background = Screen.colors.Grey100 },
 | 
						|
    [9] = { foreground = tonumber('0x00000c'), background = Screen.colors.Grey100 },
 | 
						|
    [10] = { background = Screen.colors.Grey100, bold = true, foreground = tonumber('0xe5e5ff') },
 | 
						|
    [11] = { background = Screen.colors.Grey100, bold = true, foreground = tonumber('0x2b8452') },
 | 
						|
    [12] = { bold = true, reverse = true },
 | 
						|
    [13] = { foreground = Screen.colors.DarkBlue, background = Screen.colors.WebGray },
 | 
						|
    [14] = { reverse = true },
 | 
						|
    [15] = { background = Screen.colors.LightBlue },
 | 
						|
    [16] = { background = Screen.colors.LightCyan1, bold = true, foreground = Screen.colors.Blue1 },
 | 
						|
    [17] = { bold = true, background = Screen.colors.Red },
 | 
						|
    [18] = { background = Screen.colors.LightMagenta },
 | 
						|
  })
 | 
						|
 | 
						|
  insert([[
 | 
						|
  1
 | 
						|
 | 
						|
 | 
						|
  2
 | 
						|
  1a
 | 
						|
  ]])
 | 
						|
  command('vnew left')
 | 
						|
  insert([[
 | 
						|
  2
 | 
						|
  2a
 | 
						|
  2b
 | 
						|
  ]])
 | 
						|
  command('windo diffthis')
 | 
						|
  command('windo 1')
 | 
						|
  screen:expect {
 | 
						|
    grid = [[
 | 
						|
    {13:  }{16:-----------------------}│{13:  }{15:^1                     }|
 | 
						|
    {13:  }{16:-----------------------}│{13:  }{15:                      }|*2
 | 
						|
    {13:  }2                      │{13:  }2                     |
 | 
						|
    {13:  }{17:2}{18:a                     }│{13:  }{17:1}{18:a                    }|
 | 
						|
    {13:  }{15:2b                     }│{13:  }{16:----------------------}|
 | 
						|
    {13:  }                       │{13:  }                      |
 | 
						|
    {1:~                        }│{1:~                       }|
 | 
						|
    {14:left [+]                  }{12:[No Name] [+]           }|
 | 
						|
                                                      |
 | 
						|
  ]],
 | 
						|
  }
 | 
						|
  feed('<C-e>')
 | 
						|
  feed('<C-e>')
 | 
						|
  feed('<C-y>')
 | 
						|
  feed('<C-y>')
 | 
						|
  feed('<C-y>')
 | 
						|
  screen:expect {
 | 
						|
    grid = [[
 | 
						|
    {13:  }{16:-----------------------}│{13:  }{15:1                     }|
 | 
						|
    {13:  }{16:-----------------------}│{13:  }{15:                      }|
 | 
						|
    {13:  }{16:-----------------------}│{13:  }{15:^                      }|
 | 
						|
    {13:  }2                      │{13:  }2                     |
 | 
						|
    {13:  }{17:2}{18:a                     }│{13:  }{17:1}{18:a                    }|
 | 
						|
    {13:  }{15:2b                     }│{13:  }{16:----------------------}|
 | 
						|
    {13:  }                       │{13:  }                      |
 | 
						|
    {1:~                        }│{1:~                       }|
 | 
						|
    {14:left [+]                  }{12:[No Name] [+]           }|
 | 
						|
                                                      |
 | 
						|
  ]],
 | 
						|
  }
 | 
						|
end)
 | 
						|
 | 
						|
-- oldtest: Test_diff_rnu()
 | 
						|
it('diff updates line numbers below filler lines', function()
 | 
						|
  local screen = Screen.new(40, 14)
 | 
						|
  screen:attach()
 | 
						|
  exec([[
 | 
						|
    call setline(1, ['a', 'a', 'a', 'y', 'b', 'b', 'b', 'b', 'b'])
 | 
						|
    vnew
 | 
						|
    call setline(1, ['a', 'a', 'a', 'x', 'x', 'x', 'b', 'b', 'b', 'b', 'b'])
 | 
						|
    windo diffthis
 | 
						|
    setlocal number rnu cursorline cursorlineopt=number foldcolumn=0
 | 
						|
  ]])
 | 
						|
  screen:expect([[
 | 
						|
    {7:  }a                │{15:1   }^a               |
 | 
						|
    {7:  }a                │{8:  1 }a               |
 | 
						|
    {7:  }a                │{8:  2 }a               |
 | 
						|
    {7:  }{27:x}{4:                }│{8:  3 }{27:y}{4:               }|
 | 
						|
    {7:  }{22:x                }│{8:    }{23:----------------}|*2
 | 
						|
    {7:  }b                │{8:  4 }b               |
 | 
						|
    {7:  }b                │{8:  5 }b               |
 | 
						|
    {7:  }b                │{8:  6 }b               |
 | 
						|
    {7:  }b                │{8:  7 }b               |
 | 
						|
    {7:  }b                │{8:  8 }b               |
 | 
						|
    {1:~                  }│{1:~                   }|
 | 
						|
    {2:[No Name] [+]       }{3:[No Name] [+]       }|
 | 
						|
                                            |
 | 
						|
  ]])
 | 
						|
  feed('j')
 | 
						|
  screen:expect([[
 | 
						|
    {7:  }a                │{8:  1 }a               |
 | 
						|
    {7:  }a                │{15:2   }^a               |
 | 
						|
    {7:  }a                │{8:  1 }a               |
 | 
						|
    {7:  }{27:x}{4:                }│{8:  2 }{27:y}{4:               }|
 | 
						|
    {7:  }{22:x                }│{8:    }{23:----------------}|*2
 | 
						|
    {7:  }b                │{8:  3 }b               |
 | 
						|
    {7:  }b                │{8:  4 }b               |
 | 
						|
    {7:  }b                │{8:  5 }b               |
 | 
						|
    {7:  }b                │{8:  6 }b               |
 | 
						|
    {7:  }b                │{8:  7 }b               |
 | 
						|
    {1:~                  }│{1:~                   }|
 | 
						|
    {2:[No Name] [+]       }{3:[No Name] [+]       }|
 | 
						|
                                            |
 | 
						|
  ]])
 | 
						|
  feed('j')
 | 
						|
  screen:expect([[
 | 
						|
    {7:  }a                │{8:  2 }a               |
 | 
						|
    {7:  }a                │{8:  1 }a               |
 | 
						|
    {7:  }a                │{15:3   }^a               |
 | 
						|
    {7:  }{27:x}{4:                }│{8:  1 }{27:y}{4:               }|
 | 
						|
    {7:  }{22:x                }│{8:    }{23:----------------}|*2
 | 
						|
    {7:  }b                │{8:  2 }b               |
 | 
						|
    {7:  }b                │{8:  3 }b               |
 | 
						|
    {7:  }b                │{8:  4 }b               |
 | 
						|
    {7:  }b                │{8:  5 }b               |
 | 
						|
    {7:  }b                │{8:  6 }b               |
 | 
						|
    {1:~                  }│{1:~                   }|
 | 
						|
    {2:[No Name] [+]       }{3:[No Name] [+]       }|
 | 
						|
                                            |
 | 
						|
  ]])
 | 
						|
end)
 | 
						|
 | 
						|
-- oldtest: Test_diff_with_scroll_and_change()
 | 
						|
it('Align the filler lines when changing text in diff mode', function()
 | 
						|
  local screen = Screen.new(40, 20)
 | 
						|
  screen:attach()
 | 
						|
  exec([[
 | 
						|
    call setline(1, range(1, 15))
 | 
						|
    vnew
 | 
						|
    call setline(1, range(9, 15))
 | 
						|
    windo diffthis
 | 
						|
    wincmd h
 | 
						|
    exe "normal Gl5\<C-E>"
 | 
						|
  ]])
 | 
						|
  screen:expect {
 | 
						|
    grid = [[
 | 
						|
    {7:  }{23:------------------}│{7:  }{22:6                }|
 | 
						|
    {7:  }{23:------------------}│{7:  }{22:7                }|
 | 
						|
    {7:  }{23:------------------}│{7:  }{22:8                }|
 | 
						|
    {7:  }9                 │{7:  }9                |
 | 
						|
    {7:  }10                │{7:  }10               |
 | 
						|
    {7:  }11                │{7:  }11               |
 | 
						|
    {7:  }12                │{7:  }12               |
 | 
						|
    {7:  }13                │{7:  }13               |
 | 
						|
    {7:  }14                │{7:  }14               |
 | 
						|
    {7:- }1^5                │{7:- }15               |
 | 
						|
    {1:~                   }│{1:~                  }|*8
 | 
						|
    {3:[No Name] [+]        }{2:[No Name] [+]      }|
 | 
						|
                                            |
 | 
						|
  ]],
 | 
						|
  }
 | 
						|
  feed('ax<Esc>')
 | 
						|
  screen:expect {
 | 
						|
    grid = [[
 | 
						|
    {7:  }{23:------------------}│{7:  }{22:6                }|
 | 
						|
    {7:  }{23:------------------}│{7:  }{22:7                }|
 | 
						|
    {7:  }{23:------------------}│{7:  }{22:8                }|
 | 
						|
    {7:  }9                 │{7:  }9                |
 | 
						|
    {7:  }10                │{7:  }10               |
 | 
						|
    {7:  }11                │{7:  }11               |
 | 
						|
    {7:  }12                │{7:  }12               |
 | 
						|
    {7:  }13                │{7:  }13               |
 | 
						|
    {7:  }14                │{7:  }14               |
 | 
						|
    {7:  }{4:15}{27:^x}{4:               }│{7:  }{4:15               }|
 | 
						|
    {1:~                   }│{1:~                  }|*8
 | 
						|
    {3:[No Name] [+]        }{2:[No Name] [+]      }|
 | 
						|
                                            |
 | 
						|
  ]],
 | 
						|
  }
 | 
						|
  feed('<C-W>lay<Esc>')
 | 
						|
  screen:expect {
 | 
						|
    grid = [[
 | 
						|
    {7:  }{23:-----------------}│{7:  }{22:6                 }|
 | 
						|
    {7:  }{23:-----------------}│{7:  }{22:7                 }|
 | 
						|
    {7:  }{23:-----------------}│{7:  }{22:8                 }|
 | 
						|
    {7:  }9                │{7:  }9                 |
 | 
						|
    {7:  }10               │{7:  }10                |
 | 
						|
    {7:  }11               │{7:  }11                |
 | 
						|
    {7:  }12               │{7:  }12                |
 | 
						|
    {7:  }13               │{7:  }13                |
 | 
						|
    {7:  }14               │{7:  }14                |
 | 
						|
    {7:  }{4:15}{27:x}{4:              }│{7:  }{4:15}{27:^y}{4:               }|
 | 
						|
    {1:~                  }│{1:~                   }|*8
 | 
						|
    {2:[No Name] [+]       }{3:[No Name] [+]       }|
 | 
						|
                                            |
 | 
						|
  ]],
 | 
						|
  }
 | 
						|
end)
 | 
						|
 | 
						|
it("diff mode doesn't restore invalid 'foldcolumn' value #21647", function()
 | 
						|
  local screen = Screen.new(60, 6)
 | 
						|
  screen:attach()
 | 
						|
  eq('0', api.nvim_get_option_value('foldcolumn', {}))
 | 
						|
  command('diffsplit | bd')
 | 
						|
  screen:expect([[
 | 
						|
    ^                                                            |
 | 
						|
    {1:~                                                           }|*4
 | 
						|
                                                                |
 | 
						|
  ]])
 | 
						|
  eq('0', api.nvim_get_option_value('foldcolumn', {}))
 | 
						|
end)
 | 
						|
 | 
						|
-- oldtest: Test_diff_binary()
 | 
						|
it('diff mode works properly if file contains NUL bytes vim-patch:8.2.3925', function()
 | 
						|
  local screen = Screen.new(40, 20)
 | 
						|
  screen:add_extra_attr_ids {
 | 
						|
    [100] = { foreground = Screen.colors.Blue, bold = true, background = Screen.colors.Red },
 | 
						|
  }
 | 
						|
  screen:attach()
 | 
						|
  exec([[
 | 
						|
    call setline(1, ['a', 'b', "c\n", 'd', 'e', 'f', 'g'])
 | 
						|
    vnew
 | 
						|
    call setline(1, ['A', 'b', 'c', 'd', 'E', 'f', 'g'])
 | 
						|
    windo diffthis
 | 
						|
    wincmd p
 | 
						|
    norm! gg0
 | 
						|
    redraw!
 | 
						|
  ]])
 | 
						|
 | 
						|
  -- Test using internal diff
 | 
						|
  screen:expect([[
 | 
						|
    {7:  }{27:^A}{4:                 }│{7:  }{27:a}{4:                }|
 | 
						|
    {7:  }b                 │{7:  }b                |
 | 
						|
    {7:  }{4:c                 }│{7:  }{4:c}{100:^@}{4:              }|
 | 
						|
    {7:  }d                 │{7:  }d                |
 | 
						|
    {7:  }{27:E}{4:                 }│{7:  }{27:e}{4:                }|
 | 
						|
    {7:  }f                 │{7:  }f                |
 | 
						|
    {7:  }g                 │{7:  }g                |
 | 
						|
    {1:~                   }│{1:~                  }|*11
 | 
						|
    {3:[No Name] [+]        }{2:[No Name] [+]      }|
 | 
						|
                                            |
 | 
						|
  ]])
 | 
						|
 | 
						|
  -- Test using internal diff and case folding
 | 
						|
  command('set diffopt+=icase')
 | 
						|
  feed('<C-L>')
 | 
						|
  screen:expect([[
 | 
						|
    {7:  }^A                 │{7:  }a                |
 | 
						|
    {7:  }b                 │{7:  }b                |
 | 
						|
    {7:  }{4:c                 }│{7:  }{4:c}{100:^@}{4:              }|
 | 
						|
    {7:  }d                 │{7:  }d                |
 | 
						|
    {7:  }E                 │{7:  }e                |
 | 
						|
    {7:  }f                 │{7:  }f                |
 | 
						|
    {7:  }g                 │{7:  }g                |
 | 
						|
    {1:~                   }│{1:~                  }|*11
 | 
						|
    {3:[No Name] [+]        }{2:[No Name] [+]      }|
 | 
						|
                                            |
 | 
						|
  ]])
 | 
						|
 | 
						|
  -- Test using external diff
 | 
						|
  command('set diffopt=filler')
 | 
						|
  feed('<C-L>')
 | 
						|
  screen:expect([[
 | 
						|
    {7:  }{27:^A}{4:                 }│{7:  }{27:a}{4:                }|
 | 
						|
    {7:  }b                 │{7:  }b                |
 | 
						|
    {7:  }{4:c                 }│{7:  }{4:c}{100:^@}{4:              }|
 | 
						|
    {7:  }d                 │{7:  }d                |
 | 
						|
    {7:  }{27:E}{4:                 }│{7:  }{27:e}{4:                }|
 | 
						|
    {7:  }f                 │{7:  }f                |
 | 
						|
    {7:  }g                 │{7:  }g                |
 | 
						|
    {1:~                   }│{1:~                  }|*11
 | 
						|
    {3:[No Name] [+]        }{2:[No Name] [+]      }|
 | 
						|
                                            |
 | 
						|
  ]])
 | 
						|
 | 
						|
  -- Test using external diff and case folding
 | 
						|
  command('set diffopt+=filler,icase')
 | 
						|
  feed('<C-L>')
 | 
						|
  screen:expect([[
 | 
						|
    {7:  }^A                 │{7:  }a                |
 | 
						|
    {7:  }b                 │{7:  }b                |
 | 
						|
    {7:  }{4:c                 }│{7:  }{4:c}{100:^@}{4:              }|
 | 
						|
    {7:  }d                 │{7:  }d                |
 | 
						|
    {7:  }E                 │{7:  }e                |
 | 
						|
    {7:  }f                 │{7:  }f                |
 | 
						|
    {7:  }g                 │{7:  }g                |
 | 
						|
    {1:~                   }│{1:~                  }|*11
 | 
						|
    {3:[No Name] [+]        }{2:[No Name] [+]      }|
 | 
						|
                                            |
 | 
						|
  ]])
 | 
						|
end)
 | 
						|
 | 
						|
-- oldtest: Test_diff_breakindent_after_filler()
 | 
						|
it("diff mode draws 'breakindent' correctly after filler lines", function()
 | 
						|
  local screen = Screen.new(45, 8)
 | 
						|
  screen:attach()
 | 
						|
  exec([[
 | 
						|
    set laststatus=0 diffopt+=followwrap breakindent breakindentopt=min:0
 | 
						|
    call setline(1, ['a', '  ' .. repeat('c', 50)])
 | 
						|
    vnew
 | 
						|
    call setline(1, ['a', 'b', '  ' .. repeat('c', 50)])
 | 
						|
    windo diffthis
 | 
						|
    norm! G$
 | 
						|
  ]])
 | 
						|
  screen:expect([[
 | 
						|
    {7:  }a                   │{7:  }a                   |
 | 
						|
    {7:  }{22:b                   }│{7:  }{23:--------------------}|
 | 
						|
    {7:  }  cccccccccccccccccc│{7:  }  cccccccccccccccccc|*2
 | 
						|
    {7:  }  cccccccccccccc    │{7:  }  ccccccccccccc^c    |
 | 
						|
    {1:~                     }│{1:~                     }|*2
 | 
						|
                                                 |
 | 
						|
  ]])
 | 
						|
end)
 |