diff options
Diffstat (limited to 'test/lisp/emacs-lisp/bytecomp-tests.el')
| -rw-r--r-- | test/lisp/emacs-lisp/bytecomp-tests.el | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/test/lisp/emacs-lisp/bytecomp-tests.el b/test/lisp/emacs-lisp/bytecomp-tests.el index fb84596ad3f..03c267ccd0f 100644 --- a/test/lisp/emacs-lisp/bytecomp-tests.el +++ b/test/lisp/emacs-lisp/bytecomp-tests.el @@ -1199,6 +1199,29 @@ interpreted and compiled." (should (equal (funcall (eval fun t)) '(c d))) (should (equal (funcall (byte-compile fun)) '(c d)))))) +(ert-deftest bytecomp-reify-function () + "Check that closures that modify their bound variables are +compiled correctly." + (cl-letf ((lexical-binding t) + ((symbol-function 'counter) nil)) + (let ((x 0)) + (defun counter () (cl-incf x)) + (should (equal (counter) 1)) + (should (equal (counter) 2)) + ;; byte compiling should not cause counter to always return the + ;; same value (bug#46834) + (byte-compile 'counter) + (should (equal (counter) 3)) + (should (equal (counter) 4))) + (let ((x 0)) + (let ((x 1)) + (defun counter () x) + (should (equal (counter) 1)) + ;; byte compiling should not cause the outer binding to shadow + ;; the inner one (bug#46834) + (byte-compile 'counter) + (should (equal (counter) 1)))))) + ;; Local Variables: ;; no-byte-compile: t ;; End: |