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-rw-r--r--test/lisp/emacs-lisp/cl-lib-tests.el5
1 files changed, 5 insertions, 0 deletions
diff --git a/test/lisp/emacs-lisp/cl-lib-tests.el b/test/lisp/emacs-lisp/cl-lib-tests.el
index 854e371b32f..a0facc81dbe 100644
--- a/test/lisp/emacs-lisp/cl-lib-tests.el
+++ b/test/lisp/emacs-lisp/cl-lib-tests.el
@@ -551,4 +551,9 @@
(should cl-old-struct-compat-mode)
(cl-old-struct-compat-mode (if saved 1 -1))))
+(ert-deftest cl-constantly ()
+ (should (equal (mapcar (cl-constantly 3) '(a b c d))
+ '(3 3 3 3))))
+
+
;;; cl-lib-tests.el ends here