diff options
Diffstat (limited to 'test/src/data-tests.el')
| -rw-r--r-- | test/src/data-tests.el | 41 |
1 files changed, 21 insertions, 20 deletions
diff --git a/test/src/data-tests.el b/test/src/data-tests.el index dfc12735bda..8cc271b9e1c 100644 --- a/test/src/data-tests.el +++ b/test/src/data-tests.el @@ -433,26 +433,27 @@ comparing the subr with a much slower Lisp implementation." ;; More specifically, test the problem seen in bug#41029 where setting ;; the default value of a variable takes time proportional to the ;; number of buffers. - (let* ((fun #'error) - (test (lambda () - (with-temp-buffer - (let ((st (car (current-cpu-time)))) - (dotimes (_ 1000) - (let ((case-fold-search 'data-test)) - ;; Use an indirection through a mutable var - ;; to try and make sure the byte-compiler - ;; doesn't optimize away the let bindings. - (funcall fun))) - ;; FIXME: Handle the wraparound, if any. - (- (car (current-cpu-time)) st))))) - (_ (setq fun #'ignore)) - (time1 (funcall test)) - (bufs (mapcar (lambda (_) (generate-new-buffer " data-test")) - (make-list 1000 nil))) - (time2 (funcall test))) - (mapc #'kill-buffer bufs) - ;; Don't divide one time by the other since they may be 0. - (should (< time2 (* time1 5))))) + (when (fboundp 'current-cpu-time) ; silence byte-compiler + (let* ((fun #'error) + (test (lambda () + (with-temp-buffer + (let ((st (car (current-cpu-time)))) + (dotimes (_ 1000) + (let ((case-fold-search 'data-test)) + ;; Use an indirection through a mutable var + ;; to try and make sure the byte-compiler + ;; doesn't optimize away the let bindings. + (funcall fun))) + ;; FIXME: Handle the wraparound, if any. + (- (car (current-cpu-time)) st))))) + (_ (setq fun #'ignore)) + (time1 (funcall test)) + (bufs (mapcar (lambda (_) (generate-new-buffer " data-test")) + (make-list 1000 nil))) + (time2 (funcall test))) + (mapc #'kill-buffer bufs) + ;; Don't divide one time by the other since they may be 0. + (should (< time2 (* time1 5)))))) ;; More tests to write - ;; kill-local-variable |