diff --git a/src/testdir/test_popup.vim b/src/testdir/test_popup.vim
index 38459b3..d037b7a 100644
--- a/src/testdir/test_popup.vim
+++ b/src/testdir/test_popup.vim
@@ -420,6 +420,13 @@
   call feedkeys("u", 'xt')
   call assert_equal('', getline(2))
 
+  call feedkeys("ibbb\<Esc>0", 'xt')
+  call assert_equal('bbb', getline(2))
+  call feedkeys("A\<Right>\<Down>\<CR>\<Esc>", 'xt')
+  call assert_equal('January', getline(2))
+  call feedkeys("u", 'xt')
+  call assert_equal('bbb', getline(2))
+
   iunmap <Right>
   set completeopt&
   q!