patch 8.1.0840: getchar(0) never returns a character in the terminal
Problem: getchar(0) never returns a character in the terminal.
Solution: Call wait_func() at least once.
diff --git a/src/testdir/test_timers.vim b/src/testdir/test_timers.vim
index bccd31b..0b88d8a 100644
--- a/src/testdir/test_timers.vim
+++ b/src/testdir/test_timers.vim
@@ -250,6 +250,16 @@
call timer_stop(intr)
endfunc
+func Test_getchar_zero()
+ call timer_start(20, {id -> feedkeys('x', 'L')})
+ let c = 0
+ while c == 0
+ let c = getchar(0)
+ sleep 10m
+ endwhile
+ call assert_equal('x', nr2char(c))
+endfunc
+
func Test_ex_mode()
" Function with an empty line.
func Foo(...)