diff --git a/src/testdir/test_autocmd.vim b/src/testdir/test_autocmd.vim
index 12c9848..d3e0981 100644
--- a/src/testdir/test_autocmd.vim
+++ b/src/testdir/test_autocmd.vim
@@ -6,3 +6,30 @@
   " This script will never reach the main loop, can't check if v:vim_did_enter
   " becomes one.
 endfunc
+
+if !has('timers')
+  finish
+endif
+
+func ExitInsertMode(id)
+  call feedkeys("\<Esc>")
+endfunc
+
+func Test_cursorhold_insert()
+  let g:triggered = 0
+  au CursorHoldI * let g:triggered += 1
+  set updatetime=20
+  call timer_start(100, 'ExitInsertMode')
+  call feedkeys('a', 'x!')
+  call assert_equal(1, g:triggered)
+endfunc
+
+func Test_cursorhold_insert_ctrl_x()
+  let g:triggered = 0
+  au CursorHoldI * let g:triggered += 1
+  set updatetime=20
+  call timer_start(100, 'ExitInsertMode')
+  " CursorHoldI does not trigger after CTRL-X
+  call feedkeys("a\<C-X>", 'x!')
+  call assert_equal(0, g:triggered)
+endfunc