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-rw-r--r--lib/tools/emacs/erlang-test.el59
1 files changed, 37 insertions, 22 deletions
diff --git a/lib/tools/emacs/erlang-test.el b/lib/tools/emacs/erlang-test.el
index 9a146632c5..549fae4799 100644
--- a/lib/tools/emacs/erlang-test.el
+++ b/lib/tools/emacs/erlang-test.el
@@ -52,28 +52,29 @@ concatenated to form an erlang file to test on.")
(ert-deftest erlang-test-tags ()
(let* ((dir (make-temp-file "erlang-test" t))
- (erlang-file (expand-file-name "erlang_test.erl" dir))
- (tags-file (expand-file-name "TAGS" dir))
- tags-file-name tags-table-list erlang-buffer)
- (unwind-protect
- (progn
- (erlang-test-create-erlang-file erlang-file)
- (erlang-test-compile-tags erlang-file tags-file)
- (setq erlang-buffer (find-file-noselect erlang-file))
- (with-current-buffer erlang-buffer
- (setq-local tags-file-name tags-file))
- ;; Setting global tags-file-name is a workaround for
- ;; GNU Emacs bug#23164.
- (setq tags-file-name tags-file)
- (erlang-test-completion-table)
- (erlang-test-xref-find-definitions erlang-file erlang-buffer))
- (when (buffer-live-p erlang-buffer)
- (kill-buffer erlang-buffer))
- (let ((tags-buffer (find-buffer-visiting tags-file)))
- (when (buffer-live-p tags-buffer)
- (kill-buffer tags-buffer)))
- (when (file-exists-p dir)
- (delete-directory dir t)))))
+ (erlang-file (expand-file-name "erlang_test.erl" dir))
+ (tags-file (expand-file-name "TAGS" dir))
+ tags-file-name tags-table-list erlang-buffer)
+ (unwind-protect
+ (progn
+ (erlang-test-create-erlang-file erlang-file)
+ (erlang-test-compile-tags erlang-file tags-file)
+ (setq erlang-buffer (find-file-noselect erlang-file))
+ (with-current-buffer erlang-buffer
+ (setq-local tags-file-name tags-file))
+ ;; Setting global tags-file-name is a workaround for
+ ;; GNU Emacs bug#23164.
+ (setq tags-file-name tags-file)
+ (erlang-test-complete-at-point tags-file)
+ (erlang-test-completion-table)
+ (erlang-test-xref-find-definitions erlang-file erlang-buffer))
+ (when (buffer-live-p erlang-buffer)
+ (kill-buffer erlang-buffer))
+ (let ((tags-buffer (find-buffer-visiting tags-file)))
+ (when (buffer-live-p tags-buffer)
+ (kill-buffer tags-buffer)))
+ (when (file-exists-p dir)
+ (delete-directory dir t)))))
(defun erlang-test-create-erlang-file (erlang-file)
(with-temp-file erlang-file
@@ -116,6 +117,20 @@ concatenated to form an erlang file to test on.")
(should (eq expected-line (line-number-at-pos)))
(should (= (point-at-bol) (point))))
+(defun erlang-test-complete-at-point (tags-file)
+ (with-temp-buffer
+ (erlang-mode)
+ (setq-local tags-file-name tags-file)
+ (insert "erlang_test:fun")
+ (erlang-complete-tag)
+ (should (looking-back "erlang_test:function"))
+ (insert "\nfun")
+ (erlang-complete-tag)
+ (should (looking-back "function"))
+ (insert "\nerlang_")
+ (erlang-complete-tag)
+ (should (looking-back "erlang_test:"))))
+
(provide 'erlang-test)