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	 de406f651c
			
		
	
	de406f651c
	
	
	
		
			
			Problem:    Filler lines are wrong when changing text in diff mode.
Solution:   Don't change the filler lines on every change.  Check
            scrollbinding when updating the filler lines. (closes vim/vim#8809)
04626c243c
		
	
		
			
				
	
	
		
			1200 lines
		
	
	
		
			55 KiB
		
	
	
	
		
			Lua
		
	
	
	
	
	
			
		
		
	
	
			1200 lines
		
	
	
		
			55 KiB
		
	
	
	
		
			Lua
		
	
	
	
	
	
| local helpers = require('test.functional.helpers')(after_each)
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| local Screen = require('test.functional.ui.screen')
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| 
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| local feed = helpers.feed
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| local clear = helpers.clear
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| local command = helpers.command
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| local insert = helpers.insert
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| local write_file = helpers.write_file
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| local source = helpers.source
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| 
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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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| 
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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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| 
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|   setup(function()
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|     clear()
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|     os.remove(fname)
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|     os.remove(fname_2)
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|   end)
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| 
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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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| 
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|   before_each(function()
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|     clear()
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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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| 
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|     screen = Screen.new(40, 16)
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|     screen:attach()
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|     screen:set_default_attr_ids({
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|       [1] = {foreground = Screen.colors.DarkBlue, background = Screen.colors.WebGray},
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|       [2] = {background = Screen.colors.LightCyan1, bold = true, foreground = Screen.colors.Blue1},
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|       [3] = {reverse = true},
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|       [4] = {background = Screen.colors.LightBlue},
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|       [5] = {foreground = Screen.colors.DarkBlue, background = Screen.colors.LightGrey},
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|       [6] = {bold = true, foreground = Screen.colors.Blue1},
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|       [7] = {bold = true, reverse = true},
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|       [8] = {bold = true, background = Screen.colors.Red},
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|       [9] = {background = Screen.colors.LightMagenta},
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|     })
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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([[
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|       {1:  }{2:------------------}{3:│}{1:  }{4:0                }|
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|       {1:  }^1                 {3:│}{1:  }1                |
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|       {1:  }2                 {3:│}{1:  }2                |
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|       {1:  }3                 {3:│}{1:  }3                |
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|       {1:  }4                 {3:│}{1:  }4                |
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|       {1:  }5                 {3:│}{1:  }5                |
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|       {1:  }6                 {3:│}{1:  }6                |
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|       {1:+ }{5:+--  4 lines: 7···}{3:│}{1:+ }{5:+--  4 lines: 7··}|
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|       {6:~                   }{3:│}{6:~                  }|
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|       {6:~                   }{3:│}{6:~                  }|
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|       {6:~                   }{3:│}{6:~                  }|
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|       {6:~                   }{3:│}{6:~                  }|
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|       {6:~                   }{3:│}{6:~                  }|
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|       {6:~                   }{3:│}{6:~                  }|
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|       {7:<onal-diff-screen-1  }{3:<l-diff-screen-1.2 }|
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|       :set diffopt=filler                     |
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|     ]])
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| 
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|     feed(':set diffopt+=internal<cr>')
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|     screen:expect([[
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|       {1:  }{2:------------------}{3:│}{1:  }{4:0                }|
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|       {1:  }^1                 {3:│}{1:  }1                |
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|       {1:  }2                 {3:│}{1:  }2                |
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|       {1:  }3                 {3:│}{1:  }3                |
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|       {1:  }4                 {3:│}{1:  }4                |
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|       {1:  }5                 {3:│}{1:  }5                |
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|       {1:  }6                 {3:│}{1:  }6                |
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|       {1:+ }{5:+--  4 lines: 7···}{3:│}{1:+ }{5:+--  4 lines: 7··}|
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|       {6:~                   }{3:│}{6:~                  }|
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|       {6:~                   }{3:│}{6:~                  }|
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|       {6:~                   }{3:│}{6:~                  }|
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|       {6:~                   }{3:│}{6:~                  }|
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|       {6:~                   }{3:│}{6:~                  }|
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|       {6:~                   }{3:│}{6:~                  }|
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|       {7:<onal-diff-screen-1  }{3:<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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| 
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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([[
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|       {1:  }{4:^0                 }{3:│}{1:  }{2:-----------------}|
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|       {1:  }1                 {3:│}{1:  }1                |
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|       {1:  }2                 {3:│}{1:  }2                |
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|       {1:  }3                 {3:│}{1:  }3                |
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|       {1:  }4                 {3:│}{1:  }4                |
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|       {1:  }5                 {3:│}{1:  }5                |
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|       {1:  }6                 {3:│}{1:  }6                |
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|       {1:+ }{5:+--  4 lines: 7···}{3:│}{1:+ }{5:+--  4 lines: 7··}|
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|       {6:~                   }{3:│}{6:~                  }|
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|       {6:~                   }{3:│}{6:~                  }|
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|       {6:~                   }{3:│}{6:~                  }|
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|       {6:~                   }{3:│}{6:~                  }|
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|       {6:~                   }{3:│}{6:~                  }|
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|       {6:~                   }{3:│}{6:~                  }|
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|       {7:<onal-diff-screen-1  }{3:<l-diff-screen-1.2 }|
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|       :set diffopt=filler                     |
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|     ]])
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| 
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|     feed(":set diffopt+=internal<cr>")
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|     screen:expect([[
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|       {1:  }{4:^0                 }{3:│}{1:  }{2:-----------------}|
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|       {1:  }1                 {3:│}{1:  }1                |
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|       {1:  }2                 {3:│}{1:  }2                |
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|       {1:  }3                 {3:│}{1:  }3                |
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|       {1:  }4                 {3:│}{1:  }4                |
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|       {1:  }5                 {3:│}{1:  }5                |
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|       {1:  }6                 {3:│}{1:  }6                |
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|       {1:+ }{5:+--  4 lines: 7···}{3:│}{1:+ }{5:+--  4 lines: 7··}|
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|       {6:~                   }{3:│}{6:~                  }|
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|       {6:~                   }{3:│}{6:~                  }|
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|       {6:~                   }{3:│}{6:~                  }|
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|       {6:~                   }{3:│}{6:~                  }|
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|       {6:~                   }{3:│}{6:~                  }|
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|       {6:~                   }{3:│}{6:~                  }|
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|       {7:<onal-diff-screen-1  }{3:<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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| 
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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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| 
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|     feed(":set diffopt=filler<cr>")
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|     screen:expect([[
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|       {1:+ }{5:^+--  4 lines: 1···}{3:│}{1:+ }{5:+--  4 lines: 1··}|
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|       {1:  }5                 {3:│}{1:  }5                |
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|       {1:  }6                 {3:│}{1:  }6                |
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|       {1:  }7                 {3:│}{1:  }7                |
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|       {1:  }8                 {3:│}{1:  }8                |
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|       {1:  }9                 {3:│}{1:  }9                |
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|       {1:  }10                {3:│}{1:  }10               |
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|       {1:  }{2:------------------}{3:│}{1:  }{4:11               }|
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|       {6:~                   }{3:│}{6:~                  }|
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|       {6:~                   }{3:│}{6:~                  }|
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|       {6:~                   }{3:│}{6:~                  }|
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|       {6:~                   }{3:│}{6:~                  }|
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|       {6:~                   }{3:│}{6:~                  }|
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|       {6:~                   }{3:│}{6:~                  }|
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|       {7:<onal-diff-screen-1  }{3:<l-diff-screen-1.2 }|
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|       :set diffopt=filler                     |
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|     ]])
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| 
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|     feed(":set diffopt+=internal<cr>")
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|     screen:expect([[
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|       {1:+ }{5:^+--  4 lines: 1···}{3:│}{1:+ }{5:+--  4 lines: 1··}|
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|       {1:  }5                 {3:│}{1:  }5                |
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|       {1:  }6                 {3:│}{1:  }6                |
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|       {1:  }7                 {3:│}{1:  }7                |
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|       {1:  }8                 {3:│}{1:  }8                |
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|       {1:  }9                 {3:│}{1:  }9                |
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|       {1:  }10                {3:│}{1:  }10               |
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|       {1:  }{2:------------------}{3:│}{1:  }{4:11               }|
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|       {6:~                   }{3:│}{6:~                  }|
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|       {6:~                   }{3:│}{6:~                  }|
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|       {6:~                   }{3:│}{6:~                  }|
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|       {6:~                   }{3:│}{6:~                  }|
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|       {6:~                   }{3:│}{6:~                  }|
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|       {6:~                   }{3:│}{6:~                  }|
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|       {7:<onal-diff-screen-1  }{3:<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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| 
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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()
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| 
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|     feed(":set diffopt=filler<cr>")
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|     screen:expect([[
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|       {1:+ }{5:^+--  4 lines: 1···}{3:│}{1:+ }{5:+--  4 lines: 1··}|
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|       {1:  }5                 {3:│}{1:  }5                |
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|       {1:  }6                 {3:│}{1:  }6                |
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|       {1:  }7                 {3:│}{1:  }7                |
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|       {1:  }8                 {3:│}{1:  }8                |
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|       {1:  }9                 {3:│}{1:  }9                |
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|       {1:  }10                {3:│}{1:  }10               |
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|       {1:  }{4:11                }{3:│}{1:  }{2:-----------------}|
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|       {6:~                   }{3:│}{6:~                  }|
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|       {6:~                   }{3:│}{6:~                  }|
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|       {6:~                   }{3:│}{6:~                  }|
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|       {6:~                   }{3:│}{6:~                  }|
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|       {6:~                   }{3:│}{6:~                  }|
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|       {6:~                   }{3:│}{6:~                  }|
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|       {7:<onal-diff-screen-1  }{3:<l-diff-screen-1.2 }|
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|       :set diffopt=filler                     |
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|     ]])
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| 
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|     feed(":set diffopt+=internal<cr>")
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|     screen:expect([[
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|       {1:+ }{5:^+--  4 lines: 1···}{3:│}{1:+ }{5:+--  4 lines: 1··}|
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|       {1:  }5                 {3:│}{1:  }5                |
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|       {1:  }6                 {3:│}{1:  }6                |
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|       {1:  }7                 {3:│}{1:  }7                |
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|       {1:  }8                 {3:│}{1:  }8                |
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|       {1:  }9                 {3:│}{1:  }9                |
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|       {1:  }10                {3:│}{1:  }10               |
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|       {1:  }{4:11                }{3:│}{1:  }{2:-----------------}|
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|       {6:~                   }{3:│}{6:~                  }|
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|       {6:~                   }{3:│}{6:~                  }|
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|       {6:~                   }{3:│}{6:~                  }|
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|       {6:~                   }{3:│}{6:~                  }|
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|       {6:~                   }{3:│}{6:~                  }|
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|       {6:~                   }{3:│}{6:~                  }|
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|       {7:<onal-diff-screen-1  }{3:<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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| 
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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()
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| 
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|     feed(':set diffopt=filler<cr>')
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|     screen:expect([[
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|       {1:  }^1                 {3:│}{1:  }1                |
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|       {1:  }2                 {3:│}{1:  }2                |
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|       {1:  }3                 {3:│}{1:  }3                |
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|       {1:  }4                 {3:│}{1:  }4                |
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|       {1:  }{2:------------------}{3:│}{1:  }{4:4                }|
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|       {1:  }5                 {3:│}{1:  }5                |
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|       {1:  }6                 {3:│}{1:  }6                |
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|       {1:  }7                 {3:│}{1:  }7                |
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|       {1:  }8                 {3:│}{1:  }8                |
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|       {1:  }9                 {3:│}{1:  }9                |
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|       {1:  }10                {3:│}{1:  }10               |
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|       {1:  }{4:11                }{3:│}{1:  }{2:-----------------}|
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|       {6:~                   }{3:│}{6:~                  }|
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|       {6:~                   }{3:│}{6:~                  }|
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|       {7:<onal-diff-screen-1  }{3:<l-diff-screen-1.2 }|
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|       :set diffopt=filler                     |
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|     ]])
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| 
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|     feed(':set diffopt+=internal<cr>')
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|     screen:expect([[
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|       {1:  }^1                 {3:│}{1:  }1                |
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|       {1:  }2                 {3:│}{1:  }2                |
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|       {1:  }3                 {3:│}{1:  }3                |
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|       {1:  }4                 {3:│}{1:  }4                |
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|       {1:  }{2:------------------}{3:│}{1:  }{4:4                }|
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|       {1:  }5                 {3:│}{1:  }5                |
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|       {1:  }6                 {3:│}{1:  }6                |
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|       {1:  }7                 {3:│}{1:  }7                |
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|       {1:  }8                 {3:│}{1:  }8                |
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|       {1:  }9                 {3:│}{1:  }9                |
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|       {1:  }10                {3:│}{1:  }10               |
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|       {1:  }{4:11                }{3:│}{1:  }{2:-----------------}|
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|       {6:~                   }{3:│}{6:~                  }|
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|       {6:~                   }{3:│}{6:~                  }|
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|       {7:<onal-diff-screen-1  }{3:<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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| 
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|   it('Add a line in the middle of file 1, remove on at the end of file 2', function()
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|     write_file(fname, "1\n2\n3\n4\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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| 
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|     feed(':set diffopt=filler<cr>')
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|     screen:expect([[
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|       {1:  }^1                 {3:│}{1:  }1                |
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|       {1:  }2                 {3:│}{1:  }2                |
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|       {1:  }3                 {3:│}{1:  }3                |
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|       {1:  }4                 {3:│}{1:  }4                |
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|       {1:  }{4:4                 }{3:│}{1:  }{2:-----------------}|
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|       {1:  }5                 {3:│}{1:  }5                |
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|       {1:  }6                 {3:│}{1:  }6                |
 | |
|       {1:  }7                 {3:│}{1:  }7                |
 | |
|       {1:  }8                 {3:│}{1:  }8                |
 | |
|       {1:  }9                 {3:│}{1:  }9                |
 | |
|       {1:  }10                {3:│}{1:  }10               |
 | |
|       {1:  }{2:------------------}{3:│}{1:  }{4:11               }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
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|       {7:<onal-diff-screen-1  }{3:<l-diff-screen-1.2 }|
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|       :set diffopt=filler                     |
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|     ]])
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| 
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|     feed(':set diffopt+=internal<cr>')
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|     screen:expect([[
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|       {1:  }^1                 {3:│}{1:  }1                |
 | |
|       {1:  }2                 {3:│}{1:  }2                |
 | |
|       {1:  }3                 {3:│}{1:  }3                |
 | |
|       {1:  }4                 {3:│}{1:  }4                |
 | |
|       {1:  }{4:4                 }{3:│}{1:  }{2:-----------------}|
 | |
|       {1:  }5                 {3:│}{1:  }5                |
 | |
|       {1:  }6                 {3:│}{1:  }6                |
 | |
|       {1:  }7                 {3:│}{1:  }7                |
 | |
|       {1:  }8                 {3:│}{1:  }8                |
 | |
|       {1:  }9                 {3:│}{1:  }9                |
 | |
|       {1:  }10                {3:│}{1:  }10               |
 | |
|       {1:  }{2:------------------}{3:│}{1:  }{4:11               }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
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|       {7:<onal-diff-screen-1  }{3:<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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| 
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|   describe('normal/patience/histogram diff algorithm', function()
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|     setup(function()
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|       local f1 = [[#include <stdio.h>
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| 
 | |
| // Frobs foo heartily
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| int frobnitz(int foo)
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| {
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|     int i;
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|     for(i = 0; i < 10; i++)
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|     {
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|         printf("Your answer is: ");
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|         printf("%d\n", foo);
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|     }
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| }
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| 
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| int fact(int n)
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| {
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|     if(n > 1)
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|     {
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|         return fact(n-1) * n;
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|     }
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|     return 1;
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| }
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| 
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| 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([[
 | |
|         {1:  }^#include <stdio.h>{3:│}{1:  }#include <stdio.h|
 | |
|         {1:  }                  {3:│}{1:  }                 |
 | |
|         {1:  }{8:// Frobs foo heart}{3:│}{1:  }{8:int fib(int n)}{9:   }|
 | |
|         {1:  }{4:int frobnitz(int f}{3:│}{1:  }{2:-----------------}|
 | |
|         {1:  }{                 {3:│}{1:  }{                |
 | |
|         {1:  }{9:    i}{8:nt i;}{9:        }{3:│}{1:  }{9:    i}{8:f(n > 2)}{9:    }|
 | |
|         {1:  }{4:    for(i = 0; i <}{3:│}{1:  }{2:-----------------}|
 | |
|         {1:  }    {             {3:│}{1:  }    {            |
 | |
|         {1:  }{9:        }{8:printf("Yo}{3:│}{1:  }{9:        }{8:return fi}|
 | |
|         {1:  }{4:        printf("%d}{3:│}{1:  }{2:-----------------}|
 | |
|         {1:  }    }             {3:│}{1:  }    }            |
 | |
|         {1:  }{2:------------------}{3:│}{1:  }{4:    return 1;    }|
 | |
|         {1:  }}                 {3:│}{1:  }}                |
 | |
|         {1:  }                  {3:│}{1:  }                 |
 | |
|         {7:<onal-diff-screen-1  }{3:<l-diff-screen-1.2 }|
 | |
|         :set diffopt=internal,filler            |
 | |
|       ]])
 | |
| 
 | |
|       feed('G')
 | |
|       screen:expect([[
 | |
|         {1:  }{2:------------------}{3:│}{1:  }{4:int frobnitz(int }|
 | |
|         {1:  }{                 {3:│}{1:  }{                |
 | |
|         {1:  }{9:    i}{8:f(n > 1)}{9:     }{3:│}{1:  }{9:    i}{8:nt i;}{9:       }|
 | |
|         {1:  }{2:------------------}{3:│}{1:  }{4:    for(i = 0; i }|
 | |
|         {1:  }    {             {3:│}{1:  }    {            |
 | |
|         {1:  }{9:        }{8:return fac}{3:│}{1:  }{9:        }{8:printf("%}|
 | |
|         {1:  }    }             {3:│}{1:  }    }            |
 | |
|         {1:  }{4:    return 1;     }{3:│}{1:  }{2:-----------------}|
 | |
|         {1:  }}                 {3:│}{1:  }}                |
 | |
|         {1:  }                  {3:│}{1:  }                 |
 | |
|         {1:  }int main(int argc,{3:│}{1:  }int main(int argc|
 | |
|         {1:  }{                 {3:│}{1:  }{                |
 | |
|         {1:  }{9:    frobnitz(f}{8:act}{9:(}{3:│}{1:  }{9:    frobnitz(f}{8:ib}{9:(}|
 | |
|         {1:  }^}                 {3:│}{1:  }}                |
 | |
|         {7:<onal-diff-screen-1  }{3:<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([[
 | |
|         {1:  }^#include <stdio.h>{3:│}{1:  }#include <stdio.h|
 | |
|         {1:  }                  {3:│}{1:  }                 |
 | |
|         {1:  }{2:------------------}{3:│}{1:  }{4:int fib(int n)   }|
 | |
|         {1:  }{2:------------------}{3:│}{1:  }{4:{                }|
 | |
|         {1:  }{2:------------------}{3:│}{1:  }{4:    if(n > 2)    }|
 | |
|         {1:  }{2:------------------}{3:│}{1:  }{4:    {            }|
 | |
|         {1:  }{2:------------------}{3:│}{1:  }{4:        return fi}|
 | |
|         {1:  }{2:------------------}{3:│}{1:  }{4:    }            }|
 | |
|         {1:  }{2:------------------}{3:│}{1:  }{4:    return 1;    }|
 | |
|         {1:  }{2:------------------}{3:│}{1:  }{4:}                }|
 | |
|         {1:  }{2:------------------}{3:│}{1:  }{4:                 }|
 | |
|         {1:  }// Frobs foo heart{3:│}{1:  }// Frobs foo hear|
 | |
|         {1:  }int frobnitz(int f{3:│}{1:  }int frobnitz(int |
 | |
|         {1:  }{                 {3:│}{1:  }{                |
 | |
|         {7:<onal-diff-screen-1  }{3:<l-diff-screen-1.2 }|
 | |
|                                                 |
 | |
|       ]])
 | |
| 
 | |
|       feed('G')
 | |
|       screen:expect([[
 | |
|         {1:  }                  {3:│}{1:  }                 |
 | |
|         {1:  }{4:int fact(int n)   }{3:│}{1:  }{2:-----------------}|
 | |
|         {1:  }{4:{                 }{3:│}{1:  }{2:-----------------}|
 | |
|         {1:  }{4:    if(n > 1)     }{3:│}{1:  }{2:-----------------}|
 | |
|         {1:  }{4:    {             }{3:│}{1:  }{2:-----------------}|
 | |
|         {1:  }{4:        return fac}{3:│}{1:  }{2:-----------------}|
 | |
|         {1:  }{4:    }             }{3:│}{1:  }{2:-----------------}|
 | |
|         {1:  }{4:    return 1;     }{3:│}{1:  }{2:-----------------}|
 | |
|         {1:  }{4:}                 }{3:│}{1:  }{2:-----------------}|
 | |
|         {1:  }{4:                  }{3:│}{1:  }{2:-----------------}|
 | |
|         {1:  }int main(int argc,{3:│}{1:  }int main(int argc|
 | |
|         {1:  }{                 {3:│}{1:  }{                |
 | |
|         {1:  }{9:    frobnitz(f}{8:act}{9:(}{3:│}{1:  }{9:    frobnitz(f}{8:ib}{9:(}|
 | |
|         {1:  }^}                 {3:│}{1:  }}                |
 | |
|         {7:<onal-diff-screen-1  }{3:<l-diff-screen-1.2 }|
 | |
|                                                 |
 | |
|       ]])
 | |
|     end)
 | |
| 
 | |
|     it('diffopt+=algorithm:histogram', function()
 | |
|       reread()
 | |
|       feed(':set diffopt=internal,filler,algorithm:histogram<cr>')
 | |
|       screen:expect([[
 | |
|         {1:  }^#include <stdio.h>{3:│}{1:  }#include <stdio.h|
 | |
|         {1:  }                  {3:│}{1:  }                 |
 | |
|         {1:  }{2:------------------}{3:│}{1:  }{4:int fib(int n)   }|
 | |
|         {1:  }{2:------------------}{3:│}{1:  }{4:{                }|
 | |
|         {1:  }{2:------------------}{3:│}{1:  }{4:    if(n > 2)    }|
 | |
|         {1:  }{2:------------------}{3:│}{1:  }{4:    {            }|
 | |
|         {1:  }{2:------------------}{3:│}{1:  }{4:        return fi}|
 | |
|         {1:  }{2:------------------}{3:│}{1:  }{4:    }            }|
 | |
|         {1:  }{2:------------------}{3:│}{1:  }{4:    return 1;    }|
 | |
|         {1:  }{2:------------------}{3:│}{1:  }{4:}                }|
 | |
|         {1:  }{2:------------------}{3:│}{1:  }{4:                 }|
 | |
|         {1:  }// Frobs foo heart{3:│}{1:  }// Frobs foo hear|
 | |
|         {1:  }int frobnitz(int f{3:│}{1:  }int frobnitz(int |
 | |
|         {1:  }{                 {3:│}{1:  }{                |
 | |
|         {7:<onal-diff-screen-1  }{3:<l-diff-screen-1.2 }|
 | |
|                                                 |
 | |
|       ]])
 | |
| 
 | |
|       feed('G')
 | |
|       screen:expect([[
 | |
|         {1:  }                  {3:│}{1:  }                 |
 | |
|         {1:  }{4:int fact(int n)   }{3:│}{1:  }{2:-----------------}|
 | |
|         {1:  }{4:{                 }{3:│}{1:  }{2:-----------------}|
 | |
|         {1:  }{4:    if(n > 1)     }{3:│}{1:  }{2:-----------------}|
 | |
|         {1:  }{4:    {             }{3:│}{1:  }{2:-----------------}|
 | |
|         {1:  }{4:        return fac}{3:│}{1:  }{2:-----------------}|
 | |
|         {1:  }{4:    }             }{3:│}{1:  }{2:-----------------}|
 | |
|         {1:  }{4:    return 1;     }{3:│}{1:  }{2:-----------------}|
 | |
|         {1:  }{4:}                 }{3:│}{1:  }{2:-----------------}|
 | |
|         {1:  }{4:                  }{3:│}{1:  }{2:-----------------}|
 | |
|         {1:  }int main(int argc,{3:│}{1:  }int main(int argc|
 | |
|         {1:  }{                 {3:│}{1:  }{                |
 | |
|         {1:  }{9:    frobnitz(f}{8:act}{9:(}{3:│}{1:  }{9:    frobnitz(f}{8:ib}{9:(}|
 | |
|         {1:  }^}                 {3:│}{1:  }}                |
 | |
|         {7:<onal-diff-screen-1  }{3:<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([[
 | |
|         {1:  }^def finalize(value{3:│}{1:  }def finalize(valu|
 | |
|         {1:  }                  {3:│}{1:  }                 |
 | |
|         {1:  }  values.each do |{3:│}{1:  }  values.each do |
 | |
|         {1:  }{2:------------------}{3:│}{1:  }{4:    v.prepare    }|
 | |
|         {1:  }{2:------------------}{3:│}{1:  }{4:  end            }|
 | |
|         {1:  }{2:------------------}{3:│}{1:  }{4:                 }|
 | |
|         {1:  }{2:------------------}{3:│}{1:  }{4:  values.each do }|
 | |
|         {1:  }    v.finalize    {3:│}{1:  }    v.finalize   |
 | |
|         {1:  }  end             {3:│}{1:  }  end            |
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {7:<onal-diff-screen-1  }{3:<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([[
 | |
|         {1:  }^def finalize(value{3:│}{1:  }def finalize(valu|
 | |
|         {1:  }                  {3:│}{1:  }                 |
 | |
|         {1:  }{2:------------------}{3:│}{1:  }{4:  values.each do }|
 | |
|         {1:  }{2:------------------}{3:│}{1:  }{4:    v.prepare    }|
 | |
|         {1:  }{2:------------------}{3:│}{1:  }{4:  end            }|
 | |
|         {1:  }{2:------------------}{3:│}{1:  }{4:                 }|
 | |
|         {1:  }  values.each do |{3:│}{1:  }  values.each do |
 | |
|         {1:  }    v.finalize    {3:│}{1:  }    v.finalize   |
 | |
|         {1:  }  end             {3:│}{1:  }  end            |
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {7:<onal-diff-screen-1  }{3:<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([[
 | |
|         {1:  }^def finalize(value{3:│}{1:  }def finalize(valu|
 | |
|         {1:  }                  {3:│}{1:  }                 |
 | |
|         {1:  }{2:------------------}{3:│}{1:  }{4:  values.each do }|
 | |
|         {1:  }{2:------------------}{3:│}{1:  }{4:    v.prepare    }|
 | |
|         {1:  }{2:------------------}{3:│}{1:  }{4:  end            }|
 | |
|         {1:  }{2:------------------}{3:│}{1:  }{4:                 }|
 | |
|         {1:  }  values.each do |{3:│}{1:  }  values.each do |
 | |
|         {1:  }    v.finalize    {3:│}{1:  }    v.finalize   |
 | |
|         {1:  }  end             {3:│}{1:  }  end            |
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {7:<onal-diff-screen-1  }{3:<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([[
 | |
|       {1:+ }{5:^+-- 10 lines: 1···}{3:│}{1:+ }{5:+-- 10 lines: 1··}|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {7:<onal-diff-screen-1  }{3:<l-diff-screen-1.2 }|
 | |
|       :set diffopt=filler                     |
 | |
|     ]])
 | |
| 
 | |
|     feed(':set diffopt+=internal<cr>')
 | |
|     screen:expect([[
 | |
|       {1:+ }{5:^+-- 10 lines: 1···}{3:│}{1:+ }{5:+-- 10 lines: 1··}|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {7:<onal-diff-screen-1  }{3:<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([[
 | |
|       {1:- }^                  {3:│}{1:- }                 |
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {7:<onal-diff-screen-1  }{3:<l-diff-screen-1.2 }|
 | |
|       :set diffopt=filler                     |
 | |
|     ]])
 | |
| 
 | |
|     feed(':set diffopt+=internal<cr>')
 | |
|     screen:expect([[
 | |
|       {1:- }^                  {3:│}{1:- }                 |
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {7:<onal-diff-screen-1  }{3:<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([[
 | |
|       {1:  }^a                 {3:│}{1:  }A                |
 | |
|       {1:  }b                 {3:│}{1:  }b                |
 | |
|       {1:  }{9:cd                }{3:│}{1:  }{9:cD}{8:e}{9:              }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {7:<onal-diff-screen-1  }{3:<l-diff-screen-1.2 }|
 | |
|       :set diffopt=filler,icase               |
 | |
|     ]])
 | |
| 
 | |
|     feed(':set diffopt+=internal<cr>')
 | |
|     screen:expect([[
 | |
|       {1:  }^a                 {3:│}{1:  }A                |
 | |
|       {1:  }b                 {3:│}{1:  }b                |
 | |
|       {1:  }{9:cd                }{3:│}{1:  }{9:cD}{8:e}{9:              }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {6:~                   }{3:│}{6:~                  }|
 | |
|       {7:<onal-diff-screen-1  }{3:<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([[
 | |
|         {1:  }^int main()        {3:│}{1:  }int main()       |
 | |
|         {1:  }{                 {3:│}{1:  }{                |
 | |
|         {1:  }{2:------------------}{3:│}{1:  }{4:   if (0)        }|
 | |
|         {1:  }{2:------------------}{3:│}{1:  }{4:   {             }|
 | |
|         {1:  }   printf("Hello, {3:│}{1:  }      printf("Hel|
 | |
|         {1:  }   return 0;      {3:│}{1:  }      return 0;  |
 | |
|         {1:  }{2:------------------}{3:│}{1:  }{4:   }             }|
 | |
|         {1:  }}                 {3:│}{1:  }}                |
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {7:<onal-diff-screen-1  }{3:<l-diff-screen-1.2 }|
 | |
|         :set diffopt=filler,iwhite              |
 | |
|       ]])
 | |
|     end)
 | |
| 
 | |
|     it('internal', function()
 | |
|       reread()
 | |
|       feed(':set diffopt=filler,iwhite,internal<cr>')
 | |
|       screen:expect([[
 | |
|         {1:  }^int main()        {3:│}{1:  }int main()       |
 | |
|         {1:  }{                 {3:│}{1:  }{                |
 | |
|         {1:  }{2:------------------}{3:│}{1:  }{4:   if (0)        }|
 | |
|         {1:  }{2:------------------}{3:│}{1:  }{4:   {             }|
 | |
|         {1:  }   printf("Hello, {3:│}{1:  }      printf("Hel|
 | |
|         {1:  }   return 0;      {3:│}{1:  }      return 0;  |
 | |
|         {1:  }{2:------------------}{3:│}{1:  }{4:   }             }|
 | |
|         {1:  }}                 {3:│}{1:  }}                |
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {7:<onal-diff-screen-1  }{3:<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([[
 | |
|         {1:  }^a                 {3:│}{1:  }a                |
 | |
|         {1:  }{4:                  }{3:│}{1:  }{2:-----------------}|
 | |
|         {1:  }{4:                  }{3:│}{1:  }{2:-----------------}|
 | |
|         {1:  }cd                {3:│}{1:  }cd               |
 | |
|         {1:  }ef                {3:│}{1:  }                 |
 | |
|         {1:  }{8:xxx}{9:               }{3:│}{1:  }ef               |
 | |
|         {6:~                   }{3:│}{1:  }{8:yyy}{9:              }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {7:<onal-diff-screen-1  }{3:<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([[
 | |
|         {1:  }^a                 {3:│}{1:  }a                |
 | |
|         {1:  }                  {3:│}{1:  }cd               |
 | |
|         {1:  }                  {3:│}{1:  }                 |
 | |
|         {1:  }cd                {3:│}{1:  }ef               |
 | |
|         {1:  }ef                {3:│}{1:  }{8:yyy}{9:              }|
 | |
|         {1:  }{8:xxx}{9:               }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {7:<onal-diff-screen-1  }{3:<l-diff-screen-1.2 }|
 | |
|         :                                       |
 | |
|       ]])
 | |
|     end)
 | |
| 
 | |
|     it('diffopt+=iwhiteall', function()
 | |
|       reread()
 | |
|       feed(':set diffopt=internal,filler,iblank,iwhiteall<cr>')
 | |
|       feed(':<cr>')
 | |
|       screen:expect([[
 | |
|         {1:  }^a                 {3:│}{1:  }a                |
 | |
|         {1:  }                  {3:│}{1:  }cd               |
 | |
|         {1:  }                  {3:│}{1:  }                 |
 | |
|         {1:  }cd                {3:│}{1:  }ef               |
 | |
|         {1:  }ef                {3:│}{1:  }{8:yyy}{9:              }|
 | |
|         {1:  }{8:xxx}{9:               }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {7:<onal-diff-screen-1  }{3:<l-diff-screen-1.2 }|
 | |
|         :                                       |
 | |
|       ]])
 | |
|     end)
 | |
| 
 | |
|     it('diffopt+=iwhiteeol', function()
 | |
|       reread()
 | |
|       feed(':set diffopt=internal,filler,iblank,iwhiteeol<cr>')
 | |
|       feed(':<cr>')
 | |
|       screen:expect([[
 | |
|         {1:  }^a                 {3:│}{1:  }a                |
 | |
|         {1:  }                  {3:│}{1:  }cd               |
 | |
|         {1:  }                  {3:│}{1:  }                 |
 | |
|         {1:  }cd                {3:│}{1:  }ef               |
 | |
|         {1:  }ef                {3:│}{1:  }{8:yyy}{9:              }|
 | |
|         {1:  }{8:xxx}{9:               }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {7:<onal-diff-screen-1  }{3:<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([[
 | |
|         {1:  }^a                 {3:│}{1:  }a                |
 | |
|         {1:  }x                 {3:│}{1:  }x                |
 | |
|         {1:  }{9:cd                }{3:│}{1:  }{9:c}{8: }{9:d              }|
 | |
|         {1:  }{9:ef                }{3:│}{1:  }{8: }{9:ef              }|
 | |
|         {1:  }{9:xx }{8: }{9:xx            }{3:│}{1:  }{9:xx xx            }|
 | |
|         {1:  }foo               {3:│}{1:  }foo              |
 | |
|         {1:  }{2:------------------}{3:│}{1:  }{4:                 }|
 | |
|         {1:  }bar               {3:│}{1:  }bar              |
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {7:<onal-diff-screen-1  }{3:<l-diff-screen-1.2 }|
 | |
|         :                                       |
 | |
|       ]])
 | |
|     end)
 | |
| 
 | |
|     it('diffopt+=iwhiteall', function()
 | |
|       reread()
 | |
|       feed(':set diffopt=internal,filler,iwhiteall<cr>')
 | |
|       feed(':<cr>')
 | |
|       screen:expect([[
 | |
|         {1:  }^a                 {3:│}{1:  }a                |
 | |
|         {1:  }x                 {3:│}{1:  }x                |
 | |
|         {1:  }cd                {3:│}{1:  }c d              |
 | |
|         {1:  }ef                {3:│}{1:  } ef              |
 | |
|         {1:  }xx  xx            {3:│}{1:  }xx xx            |
 | |
|         {1:  }foo               {3:│}{1:  }foo              |
 | |
|         {1:  }{2:------------------}{3:│}{1:  }{4:                 }|
 | |
|         {1:  }bar               {3:│}{1:  }bar              |
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {6:~                   }{3:│}{6:~                  }|
 | |
|         {7:<onal-diff-screen-1  }{3:<l-diff-screen-1.2 }|
 | |
|         :                                       |
 | |
|       ]])
 | |
|     end)
 | |
|   end)
 | |
| end)
 | |
| 
 | |
| it('win_update redraws lines properly', function()
 | |
|   local screen
 | |
|   clear()
 | |
|   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:-----------------------}{14:│}{13:  }{15:^1                     }|
 | |
|     {13:  }{16:-----------------------}{14:│}{13:  }{15:                      }|
 | |
|     {13:  }{16:-----------------------}{14:│}{13:  }{15:                      }|
 | |
|     {13:  }2                      {14:│}{13:  }2                     |
 | |
|     {13:  }{17:2}{18:a                     }{14:│}{13:  }{17:1}{18:a                    }|
 | |
|     {13:  }{15:2b                     }{14:│}{13:  }{16:----------------------}|
 | |
|     {13:  }                       {14:│}{13:  }                      |
 | |
|     {1:~                        }{14:│}{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:-----------------------}{14:│}{13:  }{15:1                     }|
 | |
|     {13:  }{16:-----------------------}{14:│}{13:  }{15:                      }|
 | |
|     {13:  }{16:-----------------------}{14:│}{13:  }{15:^                      }|
 | |
|     {13:  }2                      {14:│}{13:  }2                     |
 | |
|     {13:  }{17:2}{18:a                     }{14:│}{13:  }{17:1}{18:a                    }|
 | |
|     {13:  }{15:2b                     }{14:│}{13:  }{16:----------------------}|
 | |
|     {13:  }                       {14:│}{13:  }                      |
 | |
|     {1:~                        }{14:│}{1:~                       }|
 | |
|     {14:left [+]                  }{12:[No Name] [+]           }|
 | |
|                                                       |
 | |
|   ]]}
 | |
| end)
 | |
| 
 | |
| it('diff updates line numbers below filler lines', function()
 | |
|   clear()
 | |
|   local screen = Screen.new(40, 14)
 | |
|   screen:attach()
 | |
|   screen:set_default_attr_ids({
 | |
|     [1] = {foreground = Screen.colors.DarkBlue, background = Screen.colors.WebGray},
 | |
|     [2] = {background = Screen.colors.LightCyan1, bold = true, foreground = Screen.colors.Blue1},
 | |
|     [3] = {reverse = true},
 | |
|     [4] = {background = Screen.colors.LightBlue},
 | |
|     [5] = {foreground = Screen.colors.DarkBlue, background = Screen.colors.LightGrey},
 | |
|     [6] = {bold = true, foreground = Screen.colors.Blue1},
 | |
|     [7] = {bold = true, reverse = true},
 | |
|     [8] = {bold = true, background = Screen.colors.Red},
 | |
|     [9] = {background = Screen.colors.LightMagenta},
 | |
|     [10] = {bold = true, foreground = Screen.colors.Brown},
 | |
|     [11] = {foreground = Screen.colors.Brown},
 | |
|     [12] = {foreground = Screen.colors.Brown, bold = true, background = Screen.colors.Red};
 | |
|     [13] = {background = Screen.colors.Gray90};
 | |
|   })
 | |
|   source([[
 | |
|     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([[
 | |
|     {1:  }a                {3:│}{10:1   }^a               |
 | |
|     {1:  }a                {3:│}{11:  1 }a               |
 | |
|     {1:  }a                {3:│}{11:  2 }a               |
 | |
|     {1:  }{8:x}{9:                }{3:│}{11:  3 }{8:y}{9:               }|
 | |
|     {1:  }{4:x                }{3:│}{11:    }{2:----------------}|
 | |
|     {1:  }{4:x                }{3:│}{11:    }{2:----------------}|
 | |
|     {1:  }b                {3:│}{11:  4 }b               |
 | |
|     {1:  }b                {3:│}{11:  5 }b               |
 | |
|     {1:  }b                {3:│}{11:  6 }b               |
 | |
|     {1:  }b                {3:│}{11:  7 }b               |
 | |
|     {1:  }b                {3:│}{11:  8 }b               |
 | |
|     {6:~                  }{3:│}{6:~                   }|
 | |
|     {3:[No Name] [+]       }{7:[No Name] [+]       }|
 | |
|                                             |
 | |
|   ]])
 | |
|   feed('j')
 | |
|   screen:expect([[
 | |
|     {1:  }a                {3:│}{11:  1 }a               |
 | |
|     {1:  }a                {3:│}{10:2   }^a               |
 | |
|     {1:  }a                {3:│}{11:  1 }a               |
 | |
|     {1:  }{8:x}{9:                }{3:│}{11:  2 }{8:y}{9:               }|
 | |
|     {1:  }{4:x                }{3:│}{11:    }{2:----------------}|
 | |
|     {1:  }{4:x                }{3:│}{11:    }{2:----------------}|
 | |
|     {1:  }b                {3:│}{11:  3 }b               |
 | |
|     {1:  }b                {3:│}{11:  4 }b               |
 | |
|     {1:  }b                {3:│}{11:  5 }b               |
 | |
|     {1:  }b                {3:│}{11:  6 }b               |
 | |
|     {1:  }b                {3:│}{11:  7 }b               |
 | |
|     {6:~                  }{3:│}{6:~                   }|
 | |
|     {3:[No Name] [+]       }{7:[No Name] [+]       }|
 | |
|                                             |
 | |
|   ]])
 | |
|   feed('j')
 | |
|   screen:expect([[
 | |
|     {1:  }a                {3:│}{11:  2 }a               |
 | |
|     {1:  }a                {3:│}{11:  1 }a               |
 | |
|     {1:  }a                {3:│}{10:3   }^a               |
 | |
|     {1:  }{8:x}{9:                }{3:│}{11:  1 }{8:y}{9:               }|
 | |
|     {1:  }{4:x                }{3:│}{11:    }{2:----------------}|
 | |
|     {1:  }{4:x                }{3:│}{11:    }{2:----------------}|
 | |
|     {1:  }b                {3:│}{11:  2 }b               |
 | |
|     {1:  }b                {3:│}{11:  3 }b               |
 | |
|     {1:  }b                {3:│}{11:  4 }b               |
 | |
|     {1:  }b                {3:│}{11:  5 }b               |
 | |
|     {1:  }b                {3:│}{11:  6 }b               |
 | |
|     {6:~                  }{3:│}{6:~                   }|
 | |
|     {3:[No Name] [+]       }{7:[No Name] [+]       }|
 | |
|                                             |
 | |
|   ]])
 | |
|   command("set signcolumn number tgc cursorline cursorlineopt=number,line")
 | |
|   command("hi CursorLineNr guibg=red")
 | |
|   screen:expect{grid=[[
 | |
|     {1:  }a                {3:│}{11:  2 }a               |
 | |
|     {1:  }a                {3:│}{11:  1 }a               |
 | |
|     {1:  }a                {3:│}{12:3   }{13:^a               }|
 | |
|     {1:  }{8:x}{9:                }{3:│}{11:  1 }{8:y}{9:               }|
 | |
|     {1:  }{4:x                }{3:│}{11:    }{2:----------------}|
 | |
|     {1:  }{4:x                }{3:│}{11:    }{2:----------------}|
 | |
|     {1:  }b                {3:│}{11:  2 }b               |
 | |
|     {1:  }b                {3:│}{11:  3 }b               |
 | |
|     {1:  }b                {3:│}{11:  4 }b               |
 | |
|     {1:  }b                {3:│}{11:  5 }b               |
 | |
|     {1:  }b                {3:│}{11:  6 }b               |
 | |
|     {6:~                  }{3:│}{6:~                   }|
 | |
|     {3:[No Name] [+]       }{7:[No Name] [+]       }|
 | |
|       signcolumn=auto                       |
 | |
|   ]]}
 | |
| end)
 | |
| 
 | |
| it('Align the filler lines when changing text in diff mode', function()
 | |
|   clear()
 | |
|   local screen = Screen.new(40, 20)
 | |
|   screen:attach()
 | |
|   screen:set_default_attr_ids({
 | |
|     [1] = {foreground = Screen.colors.DarkBlue, background = Screen.colors.Gray};
 | |
|     [2] = {background = Screen.colors.LightCyan, foreground = Screen.colors.Blue1, bold = true};
 | |
|     [3] = {reverse = true};
 | |
|     [4] = {background = Screen.colors.LightBlue};
 | |
|     [5] = {background = Screen.colors.LightMagenta};
 | |
|     [6] = {background = Screen.colors.Red, bold = true};
 | |
|     [7] = {foreground = Screen.colors.Blue1, bold = true};
 | |
|     [8] = {reverse = true, bold = true};
 | |
|   })
 | |
|   source([[
 | |
|     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=[[
 | |
|     {1:  }{2:------------------}{3:│}{1:  }{4:6                }|
 | |
|     {1:  }{2:------------------}{3:│}{1:  }{4:7                }|
 | |
|     {1:  }{2:------------------}{3:│}{1:  }{4:8                }|
 | |
|     {1:  }9                 {3:│}{1:  }9                |
 | |
|     {1:  }10                {3:│}{1:  }10               |
 | |
|     {1:  }11                {3:│}{1:  }11               |
 | |
|     {1:  }12                {3:│}{1:  }12               |
 | |
|     {1:  }13                {3:│}{1:  }13               |
 | |
|     {1:  }14                {3:│}{1:  }14               |
 | |
|     {1:- }1^5                {3:│}{1:- }15               |
 | |
|     {7:~                   }{3:│}{7:~                  }|
 | |
|     {7:~                   }{3:│}{7:~                  }|
 | |
|     {7:~                   }{3:│}{7:~                  }|
 | |
|     {7:~                   }{3:│}{7:~                  }|
 | |
|     {7:~                   }{3:│}{7:~                  }|
 | |
|     {7:~                   }{3:│}{7:~                  }|
 | |
|     {7:~                   }{3:│}{7:~                  }|
 | |
|     {7:~                   }{3:│}{7:~                  }|
 | |
|     {8:[No Name] [+]        }{3:[No Name] [+]      }|
 | |
|                                             |
 | |
|   ]]}
 | |
|   feed('ax<Esc>')
 | |
|   screen:expect{grid=[[
 | |
|     {1:  }{2:------------------}{3:│}{1:  }{4:6                }|
 | |
|     {1:  }{2:------------------}{3:│}{1:  }{4:7                }|
 | |
|     {1:  }{2:------------------}{3:│}{1:  }{4:8                }|
 | |
|     {1:  }9                 {3:│}{1:  }9                |
 | |
|     {1:  }10                {3:│}{1:  }10               |
 | |
|     {1:  }11                {3:│}{1:  }11               |
 | |
|     {1:  }12                {3:│}{1:  }12               |
 | |
|     {1:  }13                {3:│}{1:  }13               |
 | |
|     {1:  }14                {3:│}{1:  }14               |
 | |
|     {1:  }{5:15}{6:^x}{5:               }{3:│}{1:  }{5:15               }|
 | |
|     {7:~                   }{3:│}{7:~                  }|
 | |
|     {7:~                   }{3:│}{7:~                  }|
 | |
|     {7:~                   }{3:│}{7:~                  }|
 | |
|     {7:~                   }{3:│}{7:~                  }|
 | |
|     {7:~                   }{3:│}{7:~                  }|
 | |
|     {7:~                   }{3:│}{7:~                  }|
 | |
|     {7:~                   }{3:│}{7:~                  }|
 | |
|     {7:~                   }{3:│}{7:~                  }|
 | |
|     {8:[No Name] [+]        }{3:[No Name] [+]      }|
 | |
|                                             |
 | |
|   ]]}
 | |
| end)
 |