commit 14e57909e662a43a42438e2701654af48af49b03
author Bram Moolenaar <Bram@vim.org> Sat Mar 07 16:59:25 2020 +0100
committer Bram Moolenaar <Bram@vim.org> Sat Mar 07 16:59:25 2020 +0100
tree 1c613eeeff3d485e32047df43c24f6da708769d1
parent 8eab73132838e977092d7b46f70b4ecf6274fd6a

patch 8.2.0361: internal error when using "0" for a callback

Problem:    Internal error when using "0" for a callback.
Solution:   Give a normal error. (closes #5743)

src/testdir/test_timers.vim

diff --git a/src/testdir/test_timers.vim b/src/testdir/test_timers.vim
index 37af18c..1a6391b 100644
--- a/src/testdir/test_timers.vim
+++ b/src/testdir/test_timers.vim
@@ -422,4 +422,8 @@
   call timer_stop(timer)
 endfunc
 
+func Test_timer_invalid_callback()
+  call assert_fails('call timer_start(0, "0")', 'E921')
+endfunc
+
 " vim: shiftwidth=2 sts=2 expandtab