diff --git a/src/testdir/test_cmdline.vim b/src/testdir/test_cmdline.vim
index 7ed626d..15ec7d8 100644
--- a/src/testdir/test_cmdline.vim
+++ b/src/testdir/test_cmdline.vim
@@ -482,6 +482,13 @@
   call assert_equal('', fullcommand(test_null_string()))
 
   call assert_equal('syntax', 'syn'->fullcommand())
+
+  command -buffer BufferLocalCommand :
+  command GlobalCommand :
+  call assert_equal('GlobalCommand', fullcommand('GlobalCom'))
+  call assert_equal('BufferLocalCommand', fullcommand('BufferL'))
+  delcommand BufferLocalCommand
+  delcommand GlobalCommand
 endfunc
 
 func Test_shellcmd_completion()