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-- Test for BufWritePre autocommand that deletes or unloads the buffer.
-- Test for BufUnload autocommand that unloads all other buffers.
local helpers = require('test.functional.helpers')(after_each)
local feed, source = helpers.feed, helpers.source
local clear, feed_command, expect, eq, eval = helpers.clear, helpers.feed_command, helpers.expect, helpers.eq, helpers.eval
local write_file, wait, dedent = helpers.write_file, helpers.wait, helpers.dedent
local io = require('io')
describe('autocommands that delete and unload buffers:', function()
local text1 = dedent([[
start of Xxx1
test
end of Xxx]])
local text2 = text1:gsub('1', '2')
setup(function()
write_file('Xxx1', text1..'\n')
write_file('Xxx2', text2..'\n')
end)
teardown(function()
os.remove('test.out')
os.remove('Xxx1')
os.remove('Xxx2')
end)
before_each(clear)
it('BufWritePre, BufUnload', function()
feed_command('au BufWritePre Xxx1 bunload')
feed_command('au BufWritePre Xxx2 bwipe')
feed_command('e Xxx2')
eq('Xxx2', eval('bufname("%")'))
feed_command('e Xxx1')
eq('Xxx1', eval('bufname("%")'))
-- The legacy test file did not check the error message.
feed_command('let v:errmsg = "no error"')
feed_command('write')
-- Discard all "hit enter" prompts and messages.
feed('<C-L>')
eq('E203: Autocommands deleted or unloaded buffer to be written',
eval('v:errmsg'))
eq('Xxx2', eval('bufname("%")'))
expect(text2)
-- Start editing Xxx2.
feed_command('e! Xxx2')
-- The legacy test file did not check the error message.
feed_command('let v:errmsg = "no error"')
-- Write Xxx2, will delete the buffer and give an error msg.
feed_command('w')
-- Discard all "hit enter" prompts and messages.
feed('<C-L>')
eq('E203: Autocommands deleted or unloaded buffer to be written',
eval('v:errmsg'))
eq('Xxx1', eval('bufname("%")'))
expect(text1)
end)
it('BufUnload, VimLeave', function()
source([[
func CloseAll()
let i = 0
while i <= bufnr('$')
if i != bufnr('%') && bufloaded(i)
exe i . "bunload"
endif
let i += 1
endwhile
endfunc
func WriteToOut()
edit! test.out
$put ='VimLeave done'
write
endfunc
set shada='100
au BufUnload * call CloseAll()
au VimLeave * call WriteToOut()
]])
feed_command('e Xxx2')
-- Discard all "hit enter" prompts and messages.
feed('<C-L>')
feed_command('e Xxx1')
-- Discard all "hit enter" prompts and messages.
feed('<C-L>')
feed_command('e Makefile') -- an existing file
feed('<C-L>')
feed_command('sp new2')
feed('<C-L>')
feed_command('q')
wait()
eq('VimLeave done',
string.match(io.open('test.out', 'r'):read('*all'), "^%s*(.-)%s*$"))
end)
end)
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