diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/lisp/emacs-lisp/bytecomp-tests.el | 15 | ||||
| -rw-r--r-- | test/src/lread-tests.el | 9 |
2 files changed, 24 insertions, 0 deletions
diff --git a/test/lisp/emacs-lisp/bytecomp-tests.el b/test/lisp/emacs-lisp/bytecomp-tests.el index 84004a9264a..d15bd8b6e65 100644 --- a/test/lisp/emacs-lisp/bytecomp-tests.el +++ b/test/lisp/emacs-lisp/bytecomp-tests.el @@ -530,6 +530,21 @@ literals (Bug#20852)." "`?\"', `?(', `?)', `?;', `?[', `?]' " "detected!")))))))) +(ert-deftest bytecomp-tests--old-style-backquotes () + "Check that byte compiling warns about old-style backquotes." + (should (boundp 'lread--old-style-backquotes)) + (bytecomp-tests--with-temp-file source + (write-region "(` (a b))" nil source) + (bytecomp-tests--with-temp-file destination + (let* ((byte-compile-dest-file-function (lambda (_) destination)) + (byte-compile-error-on-warn t) + (byte-compile-debug t) + (err (should-error (byte-compile-file source)))) + (should (equal (cdr err) + (list "!! The file uses old-style backquotes !! +This functionality has been obsolete for more than 10 years already +and will be removed soon. See (elisp)Backquote in the manual."))))))) + ;; Local Variables: ;; no-byte-compile: t ;; End: diff --git a/test/src/lread-tests.el b/test/src/lread-tests.el index 685ea682e29..98cbb6a301d 100644 --- a/test/src/lread-tests.el +++ b/test/src/lread-tests.el @@ -155,4 +155,13 @@ literals (Bug#20852)." (load "somelib" nil t) (should (string-suffix-p "/somelib.el" (caar load-history))))) +(ert-deftest lread-tests--old-style-backquotes () + "Check that loading warns about old-style backquotes." + (lread-tests--with-temp-file file-name + (write-region "(` (a b))" nil file-name) + (should (equal (load file-name nil :nomessage :nosuffix) t)) + (should (equal (lread-tests--last-message) + (concat (format-message "Loading `%s': " file-name) + "old-style backquotes detected!"))))) + ;;; lread-tests.el ends here |