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			87 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			Lua
		
	
	
	
	
	
			
		
		
	
	
			87 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			Lua
		
	
	
	
	
	
-- Test for BufWritePre autocommand that deletes or unloads the buffer.
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-- Test for BufUnload autocommand that unloads all other buffers.
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local helpers = require('test.functional.helpers')(after_each)
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local source = helpers.source
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local clear, command, expect, eq, eval = helpers.clear, helpers.command, helpers.expect, helpers.eq, helpers.eval
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local write_file, dedent = helpers.write_file, helpers.dedent
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local read_file = helpers.read_file
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local expect_exit = helpers.expect_exit
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describe('autocommands that delete and unload buffers:', function()
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  local test_file = 'Xtest-008_autocommands.out'
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  local text1 = dedent([[
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    start of Xxx1
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      test
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    end of Xxx]])
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  local text2 = text1:gsub('1', '2')
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  setup(function()
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    write_file('Xxx1', text1..'\n')
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    write_file('Xxx2', text2..'\n')
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  end)
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  teardown(function()
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    os.remove(test_file)
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    os.remove('Xxx1')
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    os.remove('Xxx2')
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  end)
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  before_each(clear)
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  it('BufWritePre, BufUnload', function()
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    command('au BufWritePre Xxx1 bunload')
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    command('au BufWritePre Xxx2 bwipe')
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    command('e Xxx2')
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    eq('Xxx2', eval('bufname("%")'))
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    command('e Xxx1')
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    eq('Xxx1', eval('bufname("%")'))
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    -- The legacy test file did not check the error message.
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    command('let v:errmsg = "no error"')
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    command('silent! write')
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    eq('E203: Autocommands deleted or unloaded buffer to be written',
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      eval('v:errmsg'))
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    eq('Xxx2', eval('bufname("%")'))
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    expect(text2)
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    -- Start editing Xxx2.
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    command('e! Xxx2')
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    -- The legacy test file did not check the error message.
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    command('let v:errmsg = "no error"')
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    -- Write Xxx2, will delete the buffer and give an error msg.
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    command('silent! write')
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    eq('E203: Autocommands deleted or unloaded buffer to be written',
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      eval('v:errmsg'))
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    eq('Xxx1', eval('bufname("%")'))
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    expect(text1)
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  end)
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  it('BufUnload, VimLeave', function()
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    source([[
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      func CloseAll()
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	let i = 0
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	while i <= bufnr('$')
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	  if i != bufnr('%') && bufloaded(i)
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	    exe  i . "bunload"
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	  endif
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	  let i += 1
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	endwhile
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      endfunc
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      func WriteToOut()
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	edit! ]]..test_file..[[
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	$put ='VimLeave done'
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	write
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      endfunc
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      set shada='100
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      au BufUnload * call CloseAll()
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      au VimLeave * call WriteToOut()
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    ]])
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    -- Must disable 'hidden' so that the BufUnload autocmd is triggered between
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    -- each :edit
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    command('set nohidden')
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    command('silent! edit Xxx2')
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    command('silent! edit Xxx1')
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    command('silent! edit Makefile') -- an existing file
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    command('silent! split new2')
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    expect_exit(command, 'silent! quit')
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    eq('VimLeave done',
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       string.match(read_file(test_file), "^%s*(.-)%s*$"))
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  end)
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end)
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