patch 8.1.0710: when using timers may wait for job exit quite long
Problem: When using timers may wait for job exit quite long.
Solution: Return from ui_wait_for_chars_or_timer() when a job or channel
needs to be handled. (Ozaki Kiichi, closes #3783)
diff --git a/src/testdir/test_channel.vim b/src/testdir/test_channel.vim
index f5ee7c0..8f4fb0f 100644
--- a/src/testdir/test_channel.vim
+++ b/src/testdir/test_channel.vim
@@ -1893,3 +1893,40 @@
call assert_inrange(200, 1000, elapsed)
call job_stop(job)
endfunc
+
+func Test_job_start_in_timer()
+ if !has('job') || !has('timers')
+ return
+ endif
+
+ func OutCb(chan, msg)
+ endfunc
+
+ func ExitCb(job, status)
+ let g:val = 1
+ call Resume()
+ endfunc
+
+ func TimerCb(timer)
+ if has('win32')
+ let cmd = ['cmd', '/c', 'echo.']
+ else
+ let cmd = ['echo']
+ endif
+ let g:job = job_start(cmd, {'out_cb': 'OutCb', 'exit_cb': 'ExitCb'})
+ call substitute(repeat('a', 100000), '.', '', 'g')
+ endfunc
+
+ " We should be interrupted before 'updatetime' elapsed.
+ let g:val = 0
+ call timer_start(1, 'TimerCb')
+ let elapsed = Standby(&ut)
+ call assert_inrange(1, &ut / 2, elapsed)
+ call job_stop(g:job)
+
+ delfunc OutCb
+ delfunc ExitCb
+ delfunc TimerCb
+ unlet! g:val
+ unlet! g:job
+endfunc