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local helpers = require('test.functional.helpers')
local ok, feed, eq, eval = helpers.ok, helpers.feed, helpers.eq, helpers.eval
local source, nvim_async, run = helpers.source, helpers.nvim_async, helpers.run
local clear, execute, funcs = helpers.clear, helpers.execute, helpers.funcs
describe('timers', function()
before_each(function()
clear()
source([[
let g:val = 0
func MyHandler(timer)
let g:val += 1
endfunc
]])
end)
it('works one-shot', function()
execute("call timer_start(50, 'MyHandler')")
eq(0,eval("g:val"))
run(nil, nil, nil, 200)
eq(1,eval("g:val"))
end)
it('works with repeat two', function()
execute("call timer_start(50, 'MyHandler', {'repeat': 2})")
eq(0,eval("g:val"))
run(nil, nil, nil, 300)
eq(2,eval("g:val"))
end)
it('are triggered during sleep', function()
execute("call timer_start(50, 'MyHandler', {'repeat': 2})")
nvim_async("command", "sleep 10")
eq(0,eval("g:val"))
run(nil, nil, nil, 300)
eq(2,eval("g:val"))
end)
it('can be started during sleep', function()
nvim_async("command", "sleep 10")
-- this also tests that remote requests works during sleep
eval("timer_start(50, 'MyHandler', {'repeat': 2})")
eq(0,eval("g:val"))
run(nil, nil, nil, 300)
eq(2,eval("g:val"))
end)
it('are paused when event processing is disabled', function()
-- this is not the intended behavior, but at least there will
-- not be a burst of queued up callbacks
execute("call timer_start(50, 'MyHandler', {'repeat': 2})")
run(nil, nil, nil, 100)
local count = eval("g:val")
nvim_async("command", "let g:c = getchar()")
run(nil, nil, nil, 300)
feed("c")
local diff = eval("g:val") - count
ok(0 <= diff and diff <= 2)
eq(99, eval("g:c"))
end)
it('can be stopped', function()
local t = eval("timer_start(50, 'MyHandler', {'repeat': -1})")
eq(0,eval("g:val"))
run(nil, nil, nil, 300)
funcs.timer_stop(t)
local count = eval("g:val")
run(nil, nil, nil, 300)
local count2 = eval("g:val")
ok(4 <= count and count <= 7)
-- when count is eval:ed after timer_stop this should be non-racy
eq(count, count2)
end)
it('can be stopped from the handler', function()
source([[
func! MyHandler(timer)
let g:val += 1
if g:val == 3
call timer_stop(a:timer)
" check double stop is ignored
call timer_stop(a:timer)
endif
endfunc
]])
execute("call timer_start(50, 'MyHandler', {'repeat': -1})")
eq(0,eval("g:val"))
run(nil, nil, nil, 300)
eq(3,eval("g:val"))
end)
it('can have two timers', function()
source([[
let g:val2 = 0
func! MyHandler2(timer)
let g:val2 += 1
endfunc
]])
execute("call timer_start(50, 'MyHandler', {'repeat': 3})")
execute("call timer_start(100, 'MyHandler2', {'repeat': 2})")
run(nil, nil, nil, 300)
eq(3,eval("g:val"))
eq(2,eval("g:val2"))
end)
end)
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