diff --git a/src/testdir/test_messages.vim b/src/testdir/test_messages.vim
index 8d0a422..46f3368 100644
--- a/src/testdir/test_messages.vim
+++ b/src/testdir/test_messages.vim
@@ -166,6 +166,12 @@
   call assert_equal(&columns - 19, v:echospace)
   set showcmdloc=tabline
   call assert_equal(&columns - 19, v:echospace)
+  call assert_fails('set showcmdloc=leap', 'E474:')
+  call assert_equal(&columns - 19, v:echospace)
+  set showcmdloc=last
+  call assert_equal(&columns - 29, v:echospace)
+  call assert_fails('set showcmdloc=jump', 'E474:')
+  call assert_equal(&columns - 29, v:echospace)
 
   set ruler& showcmd& showcmdloc&
 endfunc