1 files changed, 5 insertions, 0 deletions

diff --git a/test/src/buffer-tests.el b/test/src/buffer-tests.el
index 793dddd8bd4..87406740a78 100644
--- a/test/src/buffer-tests.el
+++ b/test/src/buffer-tests.el
@@ -45,4 +45,9 @@ with parameters from the *Messages* buffer modification."
             (should (eq buf (current-buffer))))
         (when msg-ov (delete-overlay msg-ov))))))
 
+(ert-deftest test-generate-new-buffer-name-bug27966 ()
+  (should-not (string-equal "nil"
+                            (progn (get-buffer-create "nil")
+                                   (generate-new-buffer-name "nil")))))
+
 ;;; buffer-tests.el ends here