mirror of
https://github.com/neovim/neovim.git
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284 lines
8.7 KiB
Lua
284 lines
8.7 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 feed, eq, eval, ok = helpers.feed, helpers.eq, helpers.eval, helpers.ok
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local source, nvim_async, run = helpers.source, helpers.nvim_async, helpers.run
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local clear, command, funcs = helpers.clear, helpers.command, helpers.funcs
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local exc_exec = helpers.exc_exec
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local curbufmeths = helpers.curbufmeths
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local load_adjust = helpers.load_adjust
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local retry = helpers.retry
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describe('timers', function()
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before_each(function()
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clear()
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source([[
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let g:val = 0
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func MyHandler(timer)
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let g:val += 1
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endfunc
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]])
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end)
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it('works one-shot', function()
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eq(0, eval("[timer_start(10, 'MyHandler'), g:val][1]"))
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run(nil, nil, nil, load_adjust(100))
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eq(1,eval("g:val"))
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end)
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it('works one-shot when repeat=0', function()
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eq(0, eval("[timer_start(10, 'MyHandler', {'repeat': 0}), g:val][1]"))
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run(nil, nil, nil, load_adjust(100))
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eq(1, eval("g:val"))
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end)
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it('works with repeat two', function()
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eq(0, eval("[timer_start(10, 'MyHandler', {'repeat': 2}), g:val][1]"))
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run(nil, nil, nil, load_adjust(20))
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retry(nil, load_adjust(300), function()
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eq(2, eval("g:val"))
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end)
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end)
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it('are triggered during sleep', function()
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source([[
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let g:val = -1
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func! MyHandler(timer)
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if g:val >= 0
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let g:val += 1
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if g:val == 2
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call timer_stop(a:timer)
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endif
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endif
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endfunc
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]])
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eval("timer_start(10, 'MyHandler', {'repeat': -1})")
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nvim_async("command", "sleep 10")
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eq(-1, eval("g:val")) -- timer did nothing yet.
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nvim_async("command", "let g:val = 0")
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run(nil, nil, nil, load_adjust(20))
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retry(nil, nil, function()
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eq(2, eval("g:val"))
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end)
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end)
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it('works with zero timeout', function()
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-- timer_start does still not invoke the callback immediately
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eq(0, eval("[timer_start(0, 'MyHandler', {'repeat': 1000}), g:val][1]"))
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retry(nil, nil, function()
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eq(1000, eval("g:val"))
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end)
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end)
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it('can be started during sleep', function()
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nvim_async("command", "sleep 10")
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-- this also tests that remote requests works during sleep
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eq(0, eval("[timer_start(10, 'MyHandler', {'repeat': 2}), g:val][1]"))
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run(nil, nil, nil, load_adjust(20))
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retry(nil, load_adjust(300), function() eq(2,eval("g:val")) end)
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end)
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it('are paused when event processing is disabled', function()
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command("call timer_start(5, 'MyHandler', {'repeat': -1})")
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run(nil, nil, nil, load_adjust(10))
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local count = eval("g:val")
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-- shows two line error message and thus invokes the return prompt.
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-- if we start to allow event processing here, we need to change this test.
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feed(':throw "fatal error"<CR>')
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run(nil, nil, nil, load_adjust(30))
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feed("<cr>")
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local diff = eval("g:val") - count
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assert(0 <= diff and diff <= 4,
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'expected (0 <= diff <= 4), got: '..tostring(diff))
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end)
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it('are triggered in blocking getchar() call', function()
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command("call timer_start(5, 'MyHandler', {'repeat': -1})")
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nvim_async("command", "let g:val = 0 | let g:c = getchar()")
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retry(nil, nil, function()
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local val = eval("g:val")
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ok(val >= 2, '>= 2', tostring(val))
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eq(0, eval("getchar(1)"))
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end)
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feed("c")
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eq(99, eval("g:c"))
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end)
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it('can invoke redraw in blocking getchar() call', function()
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local screen = Screen.new(40, 6)
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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.Blue},
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})
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curbufmeths.set_lines(0, -1, true, {"ITEM 1", "ITEM 2"})
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source([[
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let g:cont = 0
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func! AddItem(timer)
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if !g:cont
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return
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endif
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call timer_stop(a:timer)
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call nvim_buf_set_lines(0, 2, 2, v:true, ['ITEM 3'])
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" Meant to test for what Vim tests in Test_peek_and_get_char.
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call getchar(1)
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redraw
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endfunc
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]])
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nvim_async("command", "let g:c2 = getchar()")
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nvim_async("command", "call timer_start("..load_adjust(100)..", 'AddItem', {'repeat': -1})")
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screen:expect([[
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^ITEM 1 |
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ITEM 2 |
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{1:~ }|
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{1:~ }|
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{1:~ }|
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]])
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nvim_async("command", "let g:cont = 1")
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screen:expect([[
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^ITEM 1 |
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ITEM 2 |
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ITEM 3 |
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{1:~ }|
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{1:~ }|
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]])
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feed("3")
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eq(51, eval("g:c2"))
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screen:expect{grid=[[
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^ITEM 1 |
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ITEM 2 |
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ITEM 3 |
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{1:~ }|
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{1:~ }|
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]], unchanged=true}
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end)
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it('can be stopped', function()
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local t_init_val = eval("[timer_start(5, 'MyHandler', {'repeat': -1}), g:val]")
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eq(0, t_init_val[2])
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run(nil, nil, nil, load_adjust(30))
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funcs.timer_stop(t_init_val[1])
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local count = eval("g:val")
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run(nil, load_adjust(300), nil, load_adjust(30))
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local count2 = eval("g:val")
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-- when count is eval:ed after timer_stop this should be non-racy
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eq(count, count2)
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end)
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it('can be stopped from the handler', function()
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source([[
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func! MyHandler(timer)
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let g:val += 1
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if g:val == 3
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call timer_stop(a:timer)
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" check double stop is ignored
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call timer_stop(a:timer)
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endif
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endfunc
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]])
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eq(0, eval("g:val"))
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command("call timer_start(10, 'MyHandler', {'repeat': -1})")
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retry(nil, nil, function()
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eq(3, eval("g:val"))
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end)
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end)
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it('can have two timers', function()
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source([[
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let g:val2 = 0
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func! MyHandler2(timer)
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let g:val2 += 1
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endfunc
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]])
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command("call timer_start(2, 'MyHandler', {'repeat': 3})")
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command("call timer_start(4, 'MyHandler2', {'repeat': 2})")
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retry(nil, nil, function()
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eq(3, eval("g:val"))
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eq(2, eval("g:val2"))
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end)
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end)
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it('do not crash when processing events in the handler', function()
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source([[
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let g:val = 0
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func! MyHandler(timer)
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call timer_stop(a:timer)
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sleep 10m
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let g:val += 1
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endfunc
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]])
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command("call timer_start(5, 'MyHandler', {'repeat': 1})")
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run(nil, nil, nil, load_adjust(20))
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retry(nil, load_adjust(150), function()
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eq(1, eval("g:val"))
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end)
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end)
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it("doesn't mess up the cmdline", function()
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local screen = Screen.new(40, 6)
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screen:attach()
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screen:set_default_attr_ids( {[0] = {bold=true, foreground=255}} )
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source([[
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let g:val = 0
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func! MyHandler(timer)
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while !g:val
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return
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endwhile
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call timer_stop(a:timer)
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echo "evil"
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redraw
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let g:val = 2
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endfunc
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]])
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command("call timer_start(100, 'MyHandler', {'repeat': -1})")
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feed(":good")
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screen:expect([[
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{0:~ }|
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{0:~ }|
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{0:~ }|
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{0:~ }|
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:good^ |
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]])
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command('let g:val = 1')
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screen:expect{grid=[[
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{0:~ }|
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{0:~ }|
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{0:~ }|
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{0:~ }|
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:good^ |
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]], intermediate=true, timeout=load_adjust(200)}
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eq(2, eval('g:val'))
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end)
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it("timer_start can't be used in the sandbox", function()
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source [[
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function! Scary(timer) abort
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call execute('echo ''execute() should be disallowed''', '')
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endfunction
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]]
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eq("Vim(call):E48: Not allowed in sandbox", exc_exec("sandbox call timer_start(0, 'Scary')"))
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end)
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it('can be triggered after an empty string <expr> mapping #17257', function()
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local screen = Screen.new(40, 6)
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screen:attach()
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command([=[imap <expr> <F2> [timer_start(0, { _ -> execute("throw 'x'", "") }), ''][-1]]=])
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feed('i<F2>')
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screen:expect({any='E605: Exception not caught: x'})
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end)
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end)
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