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			102 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			Lua
		
	
	
	
	
	
			
		
		
	
	
			102 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			Lua
		
	
	
	
	
	
-- Tests for 'listchars' display with 'list' and :list.
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local helpers = require('test.functional.helpers')(after_each)
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local feed, insert, source = helpers.feed, helpers.insert, helpers.source
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local clear, feed_command, expect = helpers.clear, helpers.feed_command, helpers.expect
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-- luacheck: ignore 621 (Indentation)
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describe("'listchars'", function()
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  before_each(function()
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    clear()
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    feed_command('set listchars&vi')
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  end)
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  -- luacheck: ignore 613 (Trailing whitespace in a string)
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  it("works with 'list'", function()
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    source([[
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      function GetScreenCharsForLine(lnum)
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        return join(map(range(1, virtcol('$')), 'nr2char(screenchar(a:lnum, v:val))'), '')
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      endfunction
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      nnoremap <expr> GG ":call add(g:lines, GetScreenCharsForLine(".screenrow()."))\<CR>"
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    ]])
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    insert([[
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      start:
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      	aa	
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        bb	  
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         cccc	 
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      dd        ee  	
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       ]])
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    feed_command('let g:lines = []')
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    -- Set up 'listchars', switch on 'list', and use the "GG" mapping to record
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    -- what the buffer lines look like.
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    feed_command('set listchars+=tab:>-,space:.,trail:<')
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    feed_command('set list')
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    feed_command('/^start:/')
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    feed_command('normal! jzt')
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    feed('GG<cr>')
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    feed('GG<cr>')
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    feed('GG<cr>')
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    feed('GG<cr>')
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    feed('GGH')
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    -- Repeat without displaying "trail" spaces.
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    feed_command('set listchars-=trail:<')
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    feed('GG<cr>')
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    feed('GG<cr>')
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    feed('GG<cr>')
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    feed('GG<cr>')
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    feed('GG')
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    -- Delete the buffer contents and :put the collected lines.
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    feed_command('%d')
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    feed_command('put =g:lines', '1d')
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    -- Assert buffer contents.
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    expect([[
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      >-------aa>-----$
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      ..bb>---<<$
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      ...cccc><$
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      dd........ee<<>-$
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      <$
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      >-------aa>-----$
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      ..bb>---..$
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      ...cccc>.$
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      dd........ee..>-$
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      .$]])
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  end)
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  it('works with :list', function()
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    insert([[
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      start:
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        fff	  
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      	gg	
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           h	
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      iii    	  ]])
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    -- Set up 'listchars', switch 'list' *off* (:list must show the 'listchars'
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    -- even when 'list' is off), then run :list and collect the output.
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    feed_command('set listchars+=tab:>-,space:.,trail:<')
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    feed_command('set nolist')
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    feed_command('/^start:/')
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    feed_command('redir! => g:lines')
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    feed_command('+1,$list')
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    feed_command('redir END')
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    -- Delete the buffer contents and :put the collected lines.
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    feed_command('%d')
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    feed_command('put =g:lines', '1d')
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    -- Assert buffer contents.
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    expect([[
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      ..fff>--<<$
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      >-------gg>-----$
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      .....h>-$
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      iii<<<<><<$]])
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  end)
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end)
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