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+" Test for timers
+
+source check.vim
+CheckFeature timers
+
+source screendump.vim
+source shared.vim
+source term_util.vim
+
+func MyHandler(timer)
+ let g:val += 1
+endfunc
+
+func MyHandlerWithLists(lists, timer)
+ let x = string(a:lists)
+endfunc
+
+func Test_timer_oneshot()
+ let g:test_is_flaky = 1
+ let g:val = 0
+ let timer = timer_start(50, 'MyHandler')
+ let slept = WaitFor('g:val == 1')
+ call assert_equal(1, g:val)
+ if has('mac')
+ " Mac on Travis can be very slow.
+ let limit = 180
+ else
+ let limit = 100
+ endif
+ if has('reltime')
+ call assert_inrange(49, limit, slept)
+ else
+ call assert_inrange(20, limit, slept)
+ endif
+endfunc
+
+func Test_timer_repeat_three()
+ let g:test_is_flaky = 1
+ let g:val = 0
+ let timer = timer_start(50, 'MyHandler', {'repeat': 3})
+ let slept = WaitFor('g:val == 3')
+ call assert_equal(3, g:val)
+ if has('reltime')
+ if has('mac')
+ " Mac on Travis can be slow.
+ call assert_inrange(149, 400, slept)
+ else
+ call assert_inrange(149, 250, slept)
+ endif
+ else
+ call assert_inrange(80, 200, slept)
+ endif
+endfunc
+
+func Test_timer_repeat_many()
+ let g:test_is_flaky = 1
+ let g:val = 0
+ let timer = timer_start(50, 'MyHandler', {'repeat': -1})
+ sleep 200m
+ call timer_stop(timer)
+ " Mac on Travis can be slow.
+ if has('mac')
+ call assert_inrange(1, 5, g:val)
+ else
+ call assert_inrange(2, 5, g:val)
+ endif
+endfunc
+
+func Test_timer_with_partial_callback()
+ let g:test_is_flaky = 1
+ let g:val = 0
+ let meow = {'one': 1}
+ function meow.bite(...)
+ let g:val += self.one
+ endfunction
+
+ call timer_start(50, meow.bite)
+ let slept = WaitFor('g:val == 1')
+ call assert_equal(1, g:val)
+ if has('reltime')
+ " Mac on Travis can be slow.
+ if has('mac')
+ call assert_inrange(49, 180, slept)
+ else
+ call assert_inrange(49, 130, slept)
+ endif
+ else
+ call assert_inrange(20, 100, slept)
+ endif
+endfunc
+
+func Test_timer_retain_partial()
+ call timer_start(50, function('MyHandlerWithLists', [['a']]))
+ call test_garbagecollect_now()
+ sleep 100m
+endfunc
+
+func Test_timer_info()
+ let id = timer_start(1000, 'MyHandler')
+ let info = id->timer_info()
+ call assert_equal(id, info[0]['id'])
+ call assert_equal(1000, info[0]['time'])
+ call assert_true(info[0]['remaining'] > 500)
+ call assert_true(info[0]['remaining'] <= 1000)
+ call assert_equal(1, info[0]['repeat'])
+ call assert_equal("function('MyHandler')", string(info[0]['callback']))
+
+ let found = 0
+ for info in timer_info()
+ if info['id'] == id
+ let found += 1
+ endif
+ endfor
+ call assert_equal(1, found)
+
+ call timer_stop(id)
+ call assert_equal([], timer_info(id))
+
+ call assert_fails('call timer_info("abc")', 'E1210:')
+
+ " check repeat count inside the callback
+ let g:timer_repeat = []
+ let tid = timer_start(10, {tid -> execute("call add(g:timer_repeat, timer_info(tid)[0].repeat)")}, #{repeat: 3})
+ call WaitForAssert({-> assert_equal([2, 1, 0], g:timer_repeat)})
+ unlet g:timer_repeat
+endfunc
+
+func Test_timer_stopall()
+ let id1 = timer_start(1000, 'MyHandler')
+ let id2 = timer_start(2000, 'MyHandler')
+ let info = timer_info()
+ " count one for the TestTimeout() timer
+ call assert_equal(3, len(info))
+
+ call timer_stopall()
+ let info = timer_info()
+ call assert_equal(0, len(info))
+endfunc
+
+def Test_timer_stopall_with_popup()
+ # Create a popup that times out after ten seconds.
+ # Another timer will fire in half a second and close it early after stopping
+ # all timers.
+ var pop = popup_create('Popup', {time: 10000})
+ var tmr = timer_start(500, (_) => {
+ timer_stopall()
+ popup_clear()
+ })
+ sleep 1
+ assert_equal([], timer_info(tmr))
+ assert_equal([], popup_list())
+enddef
+
+func Test_timer_paused()
+ let g:test_is_flaky = 1
+ let g:val = 0
+
+ let id = timer_start(50, 'MyHandler')
+ let info = timer_info(id)
+ call assert_equal(0, info[0]['paused'])
+
+ eval id->timer_pause(1)
+ let info = timer_info(id)
+ call assert_equal(1, info[0]['paused'])
+ sleep 100m
+ call assert_equal(0, g:val)
+
+ call timer_pause(id, 0)
+ let info = timer_info(id)
+ call assert_equal(0, info[0]['paused'])
+
+ let slept = WaitFor('g:val == 1')
+ call assert_equal(1, g:val)
+ if has('reltime')
+ if has('mac')
+ " The travis Mac machines appear to be very busy.
+ call assert_inrange(0, 90, slept)
+ else
+ call assert_inrange(0, 30, slept)
+ endif
+ else
+ call assert_inrange(0, 10, slept)
+ endif
+
+ call assert_fails('call timer_pause("abc", 1)', 'E39:')
+endfunc
+
+func StopMyself(timer)
+ let g:called += 1
+ if g:called == 2
+ call timer_stop(a:timer)
+ endif
+endfunc
+
+func Test_timer_delete_myself()
+ let g:called = 0
+ let t = timer_start(10, 'StopMyself', {'repeat': -1})
+ call WaitForAssert({-> assert_equal(2, g:called)})
+ call assert_equal(2, g:called)
+ call assert_equal([], timer_info(t))
+endfunc
+
+func StopTimer1(timer)
+ let g:timer2 = 10->timer_start('StopTimer2')
+ " avoid maxfuncdepth error
+ call timer_pause(g:timer1, 1)
+ sleep 20m
+endfunc
+
+func StopTimer2(timer)
+ call timer_stop(g:timer1)
+endfunc
+
+func Test_timer_stop_in_callback()
+ let g:test_is_flaky = 1
+ call assert_equal(1, len(timer_info()))
+ let g:timer1 = timer_start(10, 'StopTimer1')
+ let slept = 0
+ for i in range(10)
+ if len(timer_info()) == 1
+ break
+ endif
+ sleep 10m
+ let slept += 10
+ endfor
+ if slept == 100
+ call assert_equal(1, len(timer_info()))
+ else
+ " This should take only 30 msec, but on Mac it's often longer
+ call assert_inrange(0, 50, slept)
+ endif
+endfunc
+
+func StopTimerAll(timer)
+ call timer_stopall()
+endfunc
+
+func Test_timer_stop_all_in_callback()
+ let g:test_is_flaky = 1
+ " One timer is for TestTimeout()
+ call assert_equal(1, len(timer_info()))
+ call timer_start(10, 'StopTimerAll')
+ call assert_equal(2, len(timer_info()))
+ let slept = 0
+ for i in range(10)
+ if len(timer_info()) == 0
+ break
+ endif
+ sleep 10m
+ let slept += 10
+ endfor
+ if slept == 100
+ call assert_equal(0, len(timer_info()))
+ else
+ call assert_inrange(0, 30, slept)
+ endif
+endfunc
+
+func FeedkeysCb(timer)
+ call feedkeys("hello\<CR>", 'nt')
+endfunc
+
+func InputCb(timer)
+ call timer_start(10, 'FeedkeysCb')
+ let g:val = input('?')
+ call Resume()
+endfunc
+
+func Test_timer_input_in_timer()
+ let g:val = ''
+ call timer_start(10, 'InputCb')
+ call Standby(1000)
+ call assert_equal('hello', g:val)
+endfunc
+
+func FuncWithError(timer)
+ let g:call_count += 1
+ if g:call_count == 4
+ return
+ endif
+ doesnotexist
+endfunc
+
+func Test_timer_errors()
+ let g:call_count = 0
+ let timer = timer_start(10, 'FuncWithError', {'repeat': -1})
+ " Timer will be stopped after failing 3 out of 3 times.
+ call WaitForAssert({-> assert_equal(3, g:call_count)})
+ sleep 50m
+ call assert_equal(3, g:call_count)
+
+ call assert_fails('call timer_start(100, "MyHandler", "abc")', 'E1206:')
+ call assert_fails('call timer_start(100, [])', 'E921:')
+ call assert_fails('call timer_stop("abc")', 'E1210:')
+endfunc
+
+func FuncWithCaughtError(timer)
+ let g:call_count += 1
+ try
+ doesnotexist
+ catch
+ " nop
+ endtry
+endfunc
+
+func Test_timer_catch_error()
+ let g:call_count = 0
+ let timer = timer_start(10, 'FuncWithCaughtError', {'repeat': 4})
+ " Timer will not be stopped.
+ call WaitForAssert({-> assert_equal(4, g:call_count)})
+ sleep 50m
+ call assert_equal(4, g:call_count)
+endfunc
+
+func FeedAndPeek(timer)
+ call test_feedinput('a')
+ call getchar(1)
+endfunc
+
+func Interrupt(timer)
+ eval "\<C-C>"->test_feedinput()
+endfunc
+
+func Test_timer_peek_and_get_char()
+ if !has('unix') && !has('gui_running')
+ throw 'Skipped: cannot feed low-level input'
+ endif
+
+ call timer_start(0, 'FeedAndPeek')
+ let intr = timer_start(100, 'Interrupt')
+ let c = getchar()
+ call assert_equal(char2nr('a'), c)
+ eval intr->timer_stop()
+endfunc
+
+func Test_timer_getchar_zero()
+ if has('win32') && !has('gui_running')
+ throw 'Skipped: cannot feed low-level input'
+ endif
+ CheckFunction reltimefloat
+
+ " Measure the elapsed time to avoid a hang when it fails.
+ let start = reltime()
+ let id = timer_start(20, {-> feedkeys('x', 'L')})
+ let c = 0
+ while c == 0 && reltimefloat(reltime(start)) < 0.2
+ let c = getchar(0)
+ sleep 10m
+ endwhile
+ call assert_equal('x', nr2char(c))
+ call timer_stop(id)
+endfunc
+
+func Test_timer_ex_mode()
+ " Function with an empty line.
+ func Foo(...)
+
+ endfunc
+ let timer = timer_start(40, function('g:Foo'), {'repeat':-1})
+ " This used to throw error E749.
+ exe "normal Qsleep 100m\rvi\r"
+ call timer_stop(timer)
+endfunc
+
+func Test_timer_restore_count()
+ CheckRunVimInTerminal
+ " Check that v:count is saved and restored, not changed by a timer.
+ call writefile([
+ \ 'nnoremap <expr><silent> L v:count ? v:count . "l" : "l"',
+ \ 'func Doit(id)',
+ \ ' normal 3j',
+ \ 'endfunc',
+ \ 'call timer_start(100, "Doit")',
+ \ ], 'Xtrcscript', 'D')
+ call writefile([
+ \ '1-1234',
+ \ '2-1234',
+ \ '3-1234',
+ \ ], 'Xtrctext', 'D')
+ let buf = RunVimInTerminal('-S Xtrcscript Xtrctext', {})
+
+ " Wait for the timer to move the cursor to the third line.
+ call WaitForAssert({-> assert_equal(3, term_getcursor(buf)[0])})
+ call assert_equal(1, term_getcursor(buf)[1])
+ " Now check that v:count has not been set to 3
+ call term_sendkeys(buf, 'L')
+ call WaitForAssert({-> assert_equal(2, term_getcursor(buf)[1])})
+
+ call StopVimInTerminal(buf)
+endfunc
+
+" Test that the garbage collector isn't triggered if a timer callback invokes
+" vgetc().
+func Test_nocatch_timer_garbage_collect()
+ " FIXME: why does this fail only on MacOS M1?
+ try
+ CheckNotMacM1
+ catch /Skipped/
+ let g:skipped_reason = v:exception
+ return
+ endtry
+
+ " 'uptimetime. must be bigger than the timer timeout
+ set ut=200
+ call test_garbagecollect_soon()
+ call test_override('no_wait_return', 0)
+ func CauseAnError(id)
+ " This will show an error and wait for Enter.
+ let a = {'foo', 'bar'}
+ endfunc
+ func FeedChar(id)
+ call feedkeys(":\<CR>", 't')
+ endfunc
+ call timer_start(300, 'FeedChar')
+ call timer_start(100, 'CauseAnError')
+ let x = getchar() " wait for error in timer
+ let x = getchar(0) " read any remaining chars
+ let x = getchar(0)
+
+ set ut&
+ call test_override('no_wait_return', 1)
+ delfunc CauseAnError
+ delfunc FeedChar
+endfunc
+
+func Test_timer_error_in_timer_callback()
+ if !has('terminal') || (has('win32') && has('gui_running'))
+ throw 'Skipped: cannot run Vim in a terminal window'
+ endif
+
+ let lines =<< trim [CODE]
+ func Func(timer)
+ " fail to create list
+ let x = [
+ endfunc
+ set updatetime=50
+ call timer_start(1, 'Func')
+ [CODE]
+ call writefile(lines, 'Xtest.vim', 'D')
+
+ let buf = term_start(GetVimCommandCleanTerm() .. ' -S Xtest.vim', {'term_rows': 8})
+ let job = term_getjob(buf)
+ call WaitForAssert({-> assert_notequal('', term_getline(buf, 8))})
+
+ " GC must not run during timer callback, which can make Vim crash.
+ call TermWait(buf, 50)
+ call term_sendkeys(buf, "\<CR>")
+ call TermWait(buf, 50)
+ call assert_equal('run', job_status(job))
+
+ call term_sendkeys(buf, ":qall!\<CR>")
+ call WaitFor({-> job_status(job) ==# 'dead'})
+ if has('unix')
+ call assert_equal('', job_info(job).termsig)
+ endif
+
+ exe buf .. 'bwipe!'
+endfunc
+
+" Test for garbage collection when a timer is still running
+func Test_timer_garbage_collect()
+ let timer = timer_start(1000, function('MyHandler'), {'repeat' : 10})
+ call test_garbagecollect_now()
+ let l = timer_info(timer)
+ call assert_equal(function('MyHandler'), l[0].callback)
+ call timer_stop(timer)
+endfunc
+
+func Test_timer_invalid_callback()
+ call assert_fails('call timer_start(0, "0")', 'E921:')
+endfunc
+
+func Test_timer_changing_function_list()
+ CheckRunVimInTerminal
+
+ " Create a large number of functions. Should get the "more" prompt.
+ " The typing "G" triggers the timer, which changes the function table.
+ let lines =<< trim END
+ for func in map(range(1,99), "'Func' .. v:val")
+ exe "func " .. func .. "()"
+ endfunc
+ endfor
+ au CmdlineLeave : call timer_start(0, {-> 0})
+ END
+ call writefile(lines, 'XTest_timerchange', 'D')
+ let buf = RunVimInTerminal('-S XTest_timerchange', #{rows: 10})
+ call term_sendkeys(buf, ":fu\<CR>")
+ call WaitForAssert({-> assert_match('-- More --', term_getline(buf, 10))})
+ call term_sendkeys(buf, "G")
+ call WaitForAssert({-> assert_match('E454:', term_getline(buf, 9))})
+ call term_sendkeys(buf, "\<Esc>")
+
+ call StopVimInTerminal(buf)
+endfunc
+
+func Test_timer_outputting_message()
+ CheckRunVimInTerminal
+
+ let lines =<< trim END
+ vim9script
+ setline(1, 'some text')
+ set showcmd ut=2000 cmdheight=1
+ timer_start(0, (_) => {
+ echon repeat('x', &columns - 11)
+ })
+ END
+ call writefile(lines, 'XTest_timermessage', 'D')
+ let buf = RunVimInTerminal('-S XTest_timermessage', #{rows: 6})
+ call term_sendkeys(buf, "l")
+ call term_wait(buf)
+ " should not get a hit-enter prompt
+ call WaitForAssert({-> assert_match('xxxxxxxxxxx', term_getline(buf, 6))})
+
+ call StopVimInTerminal(buf)
+endfunc
+
+func Test_timer_using_win_execute_undo_sync()
+ " FIXME: why does this fail only on MacOS M1?
+ CheckNotMacM1
+
+ let bufnr1 = bufnr()
+ new
+ let g:bufnr2 = bufnr()
+ let g:winid = win_getid()
+ exe "buffer " .. bufnr1
+ wincmd w
+ call setline(1, ['test'])
+ autocmd InsertEnter * call timer_start(100, { -> win_execute(g:winid, 'buffer ' .. g:bufnr2) })
+ call timer_start(200, { -> feedkeys("\<CR>bbbb\<Esc>") })
+ call feedkeys("Oaaaa", 'x!t')
+ " will hang here until the second timer fires
+ call assert_equal(['aaaa', 'bbbb', 'test'], getline(1, '$'))
+ undo
+ call assert_equal(['test'], getline(1, '$'))
+
+ bwipe!
+ bwipe!
+ unlet g:winid
+ unlet g:bufnr2
+ au! InsertEnter
+endfunc
+
+
+" vim: shiftwidth=2 sts=2 expandtab