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[Emacs-diffs] master 32b0f15 2/2: Add test for the fix in the parent com
From: |
Dmitry Gutov |
Subject: |
[Emacs-diffs] master 32b0f15 2/2: Add test for the fix in the parent commit |
Date: |
Fri, 16 Jun 2017 21:05:32 -0400 (EDT) |
branch: master
commit 32b0f15365f0d33135866aa659c95372a775c6e3
Author: Dmitry Gutov <address@hidden>
Commit: Dmitry Gutov <address@hidden>
Add test for the fix in the parent commit
* test/src/undo-tests.el (undo-test-skip-invalidated-markers):
New test, for the fix in the parent commit.
---
test/src/undo-tests.el | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/test/src/undo-tests.el b/test/src/undo-tests.el
index fbd3bf8..0cf7fc9 100644
--- a/test/src/undo-tests.el
+++ b/test/src/undo-tests.el
@@ -444,5 +444,27 @@ Demonstrates bug 16818."
(ert-run-tests-interactively "^undo-")
(ert-run-tests-batch "^undo-")))
+(ert-deftest undo-test-skip-invalidated-markers ()
+ "Test marker adjustment when the marker points nowhere.
+Demonstrates bug 25599."
+ (with-temp-buffer
+ (buffer-enable-undo)
+ (insert ";; aaaaaaaaa
+;; bbbbbbbb")
+ (let ((overlay-modified
+ (lambda (ov after-p _beg _end &optional length)
+ (unless after-p
+ (when (overlay-buffer ov)
+ (delete-overlay ov))))))
+ (save-excursion
+ (goto-char (point-min))
+ (let ((ov (make-overlay (line-beginning-position 2)
+ (line-end-position 2))))
+ (overlay-put ov 'insert-in-front-hooks
+ (list overlay-modified)))))
+ (kill-region (point-min) (line-beginning-position 2))
+ (undo-boundary)
+ (undo)))
+
(provide 'undo-tests)
;;; undo-tests.el ends here