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https://github.com/neovim/neovim.git
synced 2024-12-21 03:35:02 -07:00
a9d7ec4587
Unfortunately we cannot indiscriminately replace xfree() with
XFREE_CLEAR(), because comparing pointers after freeing them is a common
pattern. Example in `tv_list_remove_items()`:
xfree(li);
if (li == item2) {
break;
}
Instead we can do it selectively/explicitly.
ref #1375
264 lines
9.2 KiB
Lua
264 lines
9.2 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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local dedent = helpers.dedent
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local eq = helpers.eq
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local eval = helpers.eval
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local feed = helpers.feed
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local clear = helpers.clear
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local meths = helpers.meths
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local meth_pcall = helpers.meth_pcall
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local funcs = helpers.funcs
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local expect = helpers.expect
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local command = helpers.command
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local exc_exec = helpers.exc_exec
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local curbufmeths = helpers.curbufmeths
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local source = helpers.source
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describe('autocmd', function()
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before_each(clear)
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it(':tabnew triggers events in the correct order', function()
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local expected = {
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'WinLeave',
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'TabLeave',
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'WinEnter',
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'TabNew',
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'TabEnter',
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'BufLeave',
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'BufEnter'
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}
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command('let g:foo = []')
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command('autocmd BufEnter * :call add(g:foo, "BufEnter")')
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command('autocmd BufLeave * :call add(g:foo, "BufLeave")')
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command('autocmd TabEnter * :call add(g:foo, "TabEnter")')
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command('autocmd TabLeave * :call add(g:foo, "TabLeave")')
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command('autocmd TabNew * :call add(g:foo, "TabNew")')
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command('autocmd WinEnter * :call add(g:foo, "WinEnter")')
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command('autocmd WinLeave * :call add(g:foo, "WinLeave")')
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command('tabnew')
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assert.same(expected, eval('g:foo'))
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end)
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it('v:vim_did_enter is 1 after VimEnter', function()
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eq(1, eval('v:vim_did_enter'))
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end)
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describe('BufLeave autocommand', function()
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it('can wipe out the buffer created by :edit which triggered autocmd',
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function()
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meths.set_option('hidden', true)
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curbufmeths.set_lines(0, 1, false, {
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'start of test file xx',
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'end of test file xx'})
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command('autocmd BufLeave * bwipeout yy')
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eq('Vim(edit):E143: Autocommands unexpectedly deleted new buffer yy',
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exc_exec('edit yy'))
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expect([[
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start of test file xx
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end of test file xx]])
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end)
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end)
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it('++once', function() -- :help autocmd-once
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--
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-- ":autocmd ... ++once" executes its handler once, then removes the handler.
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--
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local expected = {
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'Many1',
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'Once1',
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'Once2',
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'Many2',
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'Once3',
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'Many1',
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'Many2',
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'Many1',
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'Many2',
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}
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command('let g:foo = []')
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command('autocmd TabNew * :call add(g:foo, "Many1")')
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command('autocmd TabNew * ++once :call add(g:foo, "Once1")')
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command('autocmd TabNew * ++once :call add(g:foo, "Once2")')
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command('autocmd TabNew * :call add(g:foo, "Many2")')
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command('autocmd TabNew * ++once :call add(g:foo, "Once3")')
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eq(dedent([[
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--- Autocommands ---
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TabNew
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* :call add(g:foo, "Many1")
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:call add(g:foo, "Once1")
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:call add(g:foo, "Once2")
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:call add(g:foo, "Many2")
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:call add(g:foo, "Once3")]]),
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funcs.execute('autocmd Tabnew'))
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command('tabnew')
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command('tabnew')
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command('tabnew')
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eq(expected, eval('g:foo'))
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eq(dedent([[
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--- Autocommands ---
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TabNew
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* :call add(g:foo, "Many1")
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:call add(g:foo, "Many2")]]),
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funcs.execute('autocmd Tabnew'))
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--
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-- ":autocmd ... ++once" handlers can be deleted.
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--
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expected = {}
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command('let g:foo = []')
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command('autocmd TabNew * ++once :call add(g:foo, "Once1")')
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command('autocmd! TabNew')
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command('tabnew')
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eq(expected, eval('g:foo'))
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--
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-- ":autocmd ... <buffer> ++once ++nested"
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--
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expected = {
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'OptionSet-Once',
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'CursorMoved-Once',
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}
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command('let g:foo = []')
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command('autocmd OptionSet binary ++nested ++once :call add(g:foo, "OptionSet-Once")')
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command('autocmd CursorMoved <buffer> ++once ++nested setlocal binary|:call add(g:foo, "CursorMoved-Once")')
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command("put ='foo bar baz'")
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feed('0llhlh')
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eq(expected, eval('g:foo'))
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--
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-- :autocmd should not show empty section after ++once handlers expire.
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--
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expected = {
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'Once1',
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'Once2',
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}
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command('let g:foo = []')
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command('autocmd! TabNew') -- Clear all TabNew handlers.
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command('autocmd TabNew * ++once :call add(g:foo, "Once1")')
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command('autocmd TabNew * ++once :call add(g:foo, "Once2")')
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command('tabnew')
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eq(expected, eval('g:foo'))
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eq(dedent([[
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--- Autocommands ---]]),
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funcs.execute('autocmd Tabnew'))
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end)
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it('internal `aucmd_win` window', function()
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-- Nvim uses a special internal window `aucmd_win` to execute certain
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-- actions for an invisible buffer (:help E813).
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-- Check redrawing and API accesses to this window.
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local screen = Screen.new(50, 10)
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screen:attach()
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screen:set_default_attr_ids({
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[1] = {bold = true, foreground = Screen.colors.Blue1},
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[2] = {background = Screen.colors.LightMagenta},
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[3] = {background = Screen.colors.LightMagenta, bold = true, foreground = Screen.colors.Blue1},
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})
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source([[
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function! Doit()
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let g:winid = nvim_get_current_win()
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redraw!
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echo getchar()
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" API functions work when aucmd_win is in scope
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let g:had_value = has_key(w:, "testvar")
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call nvim_win_set_var(g:winid, "testvar", 7)
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let g:test = w:testvar
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endfunction
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set hidden
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" add dummy text to not discard the buffer
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call setline(1,"bb")
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autocmd User <buffer> call Doit()
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]])
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screen:expect([[
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^bb |
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{1:~ }|
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{1:~ }|
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{1:~ }|
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{1:~ }|
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{1:~ }|
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{1:~ }|
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{1:~ }|
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{1:~ }|
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]])
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feed(":enew | doautoall User<cr>")
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screen:expect([[
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{2:bb }|
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{3:~ }|
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{3:~ }|
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{3:~ }|
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{3:~ }|
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{1:~ }|
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{1:~ }|
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{1:~ }|
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{1:~ }|
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^:enew | doautoall User |
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]])
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feed('<cr>')
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screen:expect([[
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^ |
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{1:~ }|
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{1:~ }|
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{1:~ }|
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{1:~ }|
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{1:~ }|
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{1:~ }|
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{1:~ }|
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{1:~ }|
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13 |
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]])
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eq(7, eval('g:test'))
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-- API calls are blocked when aucmd_win is not in scope
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eq({false, 'Vim(call):Invalid window id'},
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meth_pcall(command, "call nvim_set_current_win(g:winid)"))
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-- second time aucmd_win is needed, a different code path is invoked
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-- to reuse the same window, so check again
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command("let g:test = v:null")
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command("let g:had_value = v:null")
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feed(":doautoall User<cr>")
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screen:expect([[
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{2:bb }|
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{3:~ }|
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{3:~ }|
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{3:~ }|
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{3:~ }|
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{1:~ }|
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{1:~ }|
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{1:~ }|
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{1:~ }|
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^:doautoall User |
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]])
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feed('<cr>')
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screen:expect([[
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^ |
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{1:~ }|
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{1:~ }|
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{1:~ }|
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{1:~ }|
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{1:~ }|
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{1:~ }|
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{1:~ }|
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{1:~ }|
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13 |
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]])
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-- win vars in aucmd_win should have been reset
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eq(0, eval('g:had_value'))
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eq(7, eval('g:test'))
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eq({false, 'Vim(call):Invalid window id'},
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meth_pcall(command, "call nvim_set_current_win(g:winid)"))
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end)
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end)
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