diff options
Diffstat (limited to 'test/lisp/emacs-lisp/cl-lib-tests.el')
| -rw-r--r-- | test/lisp/emacs-lisp/cl-lib-tests.el | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/test/lisp/emacs-lisp/cl-lib-tests.el b/test/lisp/emacs-lisp/cl-lib-tests.el index 57b9d23efb0..97a44c43ef7 100644 --- a/test/lisp/emacs-lisp/cl-lib-tests.el +++ b/test/lisp/emacs-lisp/cl-lib-tests.el @@ -1,6 +1,6 @@ ;;; cl-lib-tests.el --- tests for emacs-lisp/cl-lib.el -*- lexical-binding:t -*- -;; Copyright (C) 2013-2020 Free Software Foundation, Inc. +;; Copyright (C) 2013-2021 Free Software Foundation, Inc. ;; This file is part of GNU Emacs. @@ -242,6 +242,22 @@ (should (= (cl-the integer (cl-incf side-effect)) 1)) (should (= side-effect 1)))) +(ert-deftest cl-lib-test-incf () + (let ((var 0)) + (should (= (cl-incf var) 1)) + (should (= var 1))) + (let ((alist)) + (should (= (cl-incf (alist-get 'a alist 0)) 1)) + (should (= (alist-get 'a alist 0) 1)))) + +(ert-deftest cl-lib-test-decf () + (let ((var 1)) + (should (= (cl-decf var) 0)) + (should (= var 0))) + (let ((alist)) + (should (= (cl-decf (alist-get 'a alist 0)) -1)) + (should (= (alist-get 'a alist 0) -1)))) + (ert-deftest cl-lib-test-plusp () (should-not (cl-plusp -1.0e+INF)) (should-not (cl-plusp -1.5e2)) |