mirror of
https://github.com/neovim/neovim.git
synced 2025-11-04 01:34:25 +00:00
216ec73972
Problem: `cmdline_show` is emitted unnecessarily each event
loop iteration, because `cmdline_was_last_drawn` is never set.
Solution: Keep track of whether the cmdline was last drawn to avoid
unnecessarily emitting cmdline_show. Set `redraw_state` to
emit `cmdline_pos` when emitting `CursorMovedC`. Only emit
`cmdline_pos` when cmdline was last drawn.
436 lines
13 KiB
Lua
436 lines
13 KiB
Lua
local t = require('test.testutil')
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local n = require('test.functional.testnvim')()
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local Screen = require('test.functional.ui.screen')
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local eq = t.eq
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local exec_lua = n.exec_lua
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local clear = n.clear
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local feed = n.feed
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local fn = n.fn
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local assert_log = t.assert_log
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local check_close = n.check_close
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local testlog = 'Xtest_lua_ui_event_log'
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describe('vim.ui_attach', function()
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local screen
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before_each(function()
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clear()
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exec_lua [[
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ns = vim.api.nvim_create_namespace 'testspace'
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events = {}
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function on_event(event, ...)
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events[#events+1] = {event, ...}
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return true
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end
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function get_events()
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local ret_events = events
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events = {}
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return ret_events
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end
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]]
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screen = Screen.new(40, 5)
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end)
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local function expect_events(expected)
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local evs = exec_lua 'return get_events(...)'
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eq(expected, evs, vim.inspect(evs))
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end
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it('can receive popupmenu events', function()
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exec_lua [[ vim.ui_attach(ns, {ext_popupmenu=true}, on_event) ]]
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feed('ifo')
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screen:expect {
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grid = [[
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fo^ |
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{1:~ }|*3
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{5:-- INSERT --} |
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]],
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}
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fn.complete(1, { 'food', 'foobar', 'foo' })
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screen:expect {
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grid = [[
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food^ |
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{1:~ }|*3
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{5:-- INSERT --} |
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]],
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}
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expect_events {
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{
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'popupmenu_show',
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{ { 'food', '', '', '' }, { 'foobar', '', '', '' }, { 'foo', '', '', '' } },
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0,
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0,
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0,
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1,
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},
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}
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feed '<c-n>'
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screen:expect {
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grid = [[
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foobar^ |
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{1:~ }|*3
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{5:-- INSERT --} |
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]],
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}
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expect_events {
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{ 'popupmenu_select', 1 },
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}
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feed '<c-y>'
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screen:expect_unchanged()
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expect_events {
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{ 'popupmenu_hide' },
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}
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-- vim.ui_detach() stops events, and reenables builtin pum immediately
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exec_lua [[
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vim.ui_detach(ns)
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vim.fn.complete(1, {'food', 'foobar', 'foo'})
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]]
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screen:expect {
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grid = [[
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food^ |
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{12:food }{1: }|
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{4:foobar }{1: }|
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{4:foo }{1: }|
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{5:-- INSERT --} |
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]],
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}
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expect_events {}
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end)
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it('does not crash on exit', function()
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local p = n.spawn_wait(
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'--cmd',
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[[ lua ns = vim.api.nvim_create_namespace 'testspace' ]],
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'--cmd',
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[[ lua vim.ui_attach(ns, {ext_popupmenu=true}, function() end) ]],
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'--cmd',
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'quitall!'
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)
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eq(0, p.status)
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end)
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it('can receive accurate message kinds even if they are history', function()
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exec_lua([[
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vim.cmd.echomsg("'message1'")
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print('message2')
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vim.ui_attach(ns, { ext_messages = true }, on_event)
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vim.cmd.echomsg("'message3'")
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]])
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feed(':messages<cr>')
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feed('<cr>')
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local actual = exec_lua([[
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return vim.tbl_filter(function (event)
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return event[1] == "msg_history_show"
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end, events)
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]])
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eq({
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{
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'msg_history_show',
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{
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{ 'echomsg', { { 0, 'message1', 0 } } },
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{ 'lua_print', { { 0, 'message2', 0 } } },
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{ 'echomsg', { { 0, 'message3', 0 } } },
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},
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},
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}, actual, vim.inspect(actual))
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end)
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it('ui_refresh() activates correct capabilities without remote UI', function()
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screen:detach()
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exec_lua('vim.ui_attach(ns, { ext_cmdline = true }, on_event)')
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eq(1, n.api.nvim_get_option_value('cmdheight', {}))
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exec_lua('vim.ui_detach(ns)')
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exec_lua('vim.ui_attach(ns, { ext_messages = true }, on_event)')
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n.api.nvim_set_option_value('cmdheight', 1, {})
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screen:attach()
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eq(1, n.api.nvim_get_option_value('cmdheight', {}))
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end)
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it("ui_refresh() sets 'cmdheight' for all open tabpages with ext_messages", function()
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exec_lua('vim.cmd.tabnew()')
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exec_lua('vim.ui_attach(ns, { ext_messages = true }, on_event)')
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exec_lua('vim.cmd.tabnext()')
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eq(0, n.api.nvim_get_option_value('cmdheight', {}))
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end)
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it('avoids recursive flushing and invalid memory access with :redraw', function()
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exec_lua([[
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_G.cmdline = 0
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vim.ui_attach(ns, { ext_messages = true }, function(ev)
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if ev == 'msg_show' then
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vim.schedule(function() vim.cmd.redraw() end)
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elseif ev:find('cmdline') then
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_G.cmdline = _G.cmdline + (ev == 'cmdline_show' and 1 or 0)
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vim.api.nvim_buf_set_lines(0, 0, -1, false, { tostring(_G.cmdline) })
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vim.cmd('redraw')
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end
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end
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)]])
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screen:expect([[
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^ |
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{1:~ }|*4
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]])
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feed(':')
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screen:expect({
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grid = [[
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^1 |
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{1:~ }|*4
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]],
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cmdline = { {
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content = { { '' } },
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firstc = ':',
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pos = 0,
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} },
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})
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feed('version<CR><CR>v<Esc>')
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screen:expect({
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grid = [[
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^2 |
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{1:~ }|*4
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]],
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cmdline = { { abort = false } },
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})
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feed([[:call confirm("Save changes?", "&Yes\n&No\n&Cancel")<CR>]])
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screen:expect({
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grid = [[
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^4 |
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{1:~ }|*4
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]],
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cmdline = {
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{
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content = { { '' } },
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hl_id = 10,
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pos = 0,
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prompt = '[Y]es, (N)o, (C)ancel: ',
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},
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},
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messages = {
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{
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content = { { '\nSave changes?\n', 6, 10 } },
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history = false,
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kind = 'confirm',
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},
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},
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})
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feed('n')
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screen:expect({
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grid = [[
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^4 |
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{1:~ }|*4
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]],
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cmdline = { { abort = false } },
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})
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end)
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it("preserved 'incsearch/command' screen state after :redraw from ext_cmdline", function()
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exec_lua([[
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vim.cmd.norm('ifoobar')
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vim.cmd('1split cmdline')
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local buf = vim.api.nvim_get_current_buf()
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vim.cmd.wincmd('p')
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vim.ui_attach(ns, { ext_cmdline = true }, function(event, ...)
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if event == 'cmdline_show' then
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local content = select(1, ...)
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vim.api.nvim_buf_set_lines(buf, -2, -1, false, {content[1][2]})
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vim.cmd('redraw')
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end
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return true
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end)
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]])
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-- Updates a cmdline window
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feed(':cmdline')
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screen:expect({
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grid = [[
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cmdline |
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{2:cmdline [+] }|
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fooba^r |
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{3:[No Name] [+] }|
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]],
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})
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-- Does not clear 'incsearch' highlighting
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feed('<Esc>/foo')
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screen:expect({
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grid = [[
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foo |
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{2:cmdline [+] }|
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{2:foo}ba^r |
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{3:[No Name] [+] }|
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]],
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})
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-- Shows new cmdline state during 'inccommand'
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feed('<Esc>:%s/bar/baz')
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screen:expect({
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grid = [[
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%s/bar/baz |
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{2:cmdline [+] }|
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foo{10:ba^z} |
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{3:[No Name] [+] }|
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]],
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})
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end)
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it('msg_show in fast context', function()
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exec_lua([[
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vim.ui_attach(ns, { ext_messages = true }, function(event, _, content)
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if event == "msg_show" then
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vim.api.nvim_get_runtime_file("foo", false)
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-- non-"fast-api" is not allowed in msg_show callback and should be scheduled
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local _, err = pcall(vim.api.nvim_buf_set_lines, 0, -2, -1, false, { content[1][2] })
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pcall(vim.api.nvim__redraw, { flush = true })
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vim.schedule(function()
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vim.api.nvim_buf_set_lines(0, -2, -1, false, { content[1][2], err })
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end)
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end
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end)
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]])
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-- "fast-api" does not prevent aborting :function
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feed(':func Foo()<cr>bar<cr>endf<cr>:func Foo()<cr>')
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screen:expect({
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grid = [[
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^E122: Function Foo already exists, add !|
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to replace it |
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E5560: nvim_buf_set_lines must not be ca|
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lled in a fast event context |
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{1:~ }|
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]],
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cmdline = { { abort = false } },
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messages = {
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{
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content = { { 'E122: Function Foo already exists, add ! to replace it', 9, 6 } },
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history = true,
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kind = 'emsg',
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},
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},
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})
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end)
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end)
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describe('vim.ui_attach', function()
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local screen
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before_each(function()
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clear({ env = { NVIM_LOG_FILE = testlog } })
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screen = Screen.new(40, 5)
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end)
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after_each(function()
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check_close()
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os.remove(testlog)
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end)
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it('error in callback is logged', function()
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exec_lua([[
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local ns = vim.api.nvim_create_namespace('testspace')
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vim.ui_attach(ns, { ext_popupmenu = true }, function() error(42) end)
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]])
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feed('ifoo<CR>foobar<CR>fo<C-X><C-N>')
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assert_log('Error executing UI event callback: Error executing lua: .*: 42', testlog, 100)
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end)
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it('detaches after excessive errors', function()
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screen:add_extra_attr_ids({ [100] = { bold = true, foreground = Screen.colors.SeaGreen } })
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exec_lua([[
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vim.ui_attach(vim.api.nvim_create_namespace(''), { ext_messages = true }, function()
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vim.api.nvim_buf_set_lines(0, -2, -1, false, { err[1] })
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end)
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]])
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local s1 = [[
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^ |
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{1:~ }|*4
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]]
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screen:expect(s1)
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feed('QQQQQQ<CR>')
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screen:expect({
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grid = [[
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{9:obal 'err' (a nil value)} |
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{9:stack traceback:} |
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{9: [string "<nvim>"]:2: in function}|
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{9: <[string "<nvim>"]:1>} |
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{100:Press ENTER or type command to continue}^ |
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]],
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messages = {
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{
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content = { { 'Press ENTER or type command to continue', 100, 18 } },
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history = true,
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kind = 'return_prompt',
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},
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},
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})
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feed(':1mes clear<CR>:mes<CR>')
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screen:expect([[
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{3: }|
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{9:Excessive errors in vim.ui_attach() call}|
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{9:back from ns: 1.} |
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{100:Press ENTER or type command to continue}^ |
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]])
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feed('<cr>')
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-- Also when scheduled
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exec_lua([[
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vim.ui_attach(vim.api.nvim_create_namespace(''), { ext_messages = true }, function()
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vim.schedule(function() vim.api.nvim_buf_set_lines(0, -2, -1, false, { err[1] }) end)
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end)
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]])
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screen:expect({
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grid = s1,
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messages = {
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{
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content = {
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{
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'Error executing vim.schedule lua callback: [string "<nvim>"]:2: attempt to index global \'err\' (a nil value)\nstack traceback:\n\t[string "<nvim>"]:2: in function <[string "<nvim>"]:2>',
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9,
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6,
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},
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},
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history = true,
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kind = 'lua_error',
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},
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{
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content = {
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{
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'Error executing vim.schedule lua callback: [string "<nvim>"]:2: attempt to index global \'err\' (a nil value)\nstack traceback:\n\t[string "<nvim>"]:2: in function <[string "<nvim>"]:2>',
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9,
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6,
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},
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},
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history = true,
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kind = 'lua_error',
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},
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{
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content = { { 'Press ENTER or type command to continue', 100, 18 } },
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history = false,
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kind = 'return_prompt',
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},
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},
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})
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feed('<esc>:1mes clear<cr>:mes<cr>')
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screen:expect([[
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{3: }|
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{9:Excessive errors in vim.ui_attach() call}|
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{9:back from ns: 2.} |
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{100:Press ENTER or type command to continue}^ |
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]])
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end)
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it('sourcing invalid file does not crash #32166', function()
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exec_lua([[
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local ns = vim.api.nvim_create_namespace("")
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vim.ui_attach(ns, { ext_messages = true }, function() end)
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]])
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feed((':luafile %s<CR>'):format(testlog))
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n.assert_alive()
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end)
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end)
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