[Emacs-diffs] feature/noverlay 7c0824a 1/4: Add test regarding overlay and buffer encoding

[Andreas Politz]

branch: feature/noverlay
commit 7c0824a1d04d660c86c78143d5485af174ee0c6b
Author: Andreas Politz <address@hidden>
Commit: Andreas Politz <address@hidden>

    Add test regarding overlay and buffer encoding
    
    * test/src/buffer-tests.el (test-overlay-multibyte-transition-1):
    New test exposing a bug regarding overlays when changing the
    multibyteness of a buffer.
---
 test/src/buffer-tests.el | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/test/src/buffer-tests.el b/test/src/buffer-tests.el
index 71f8705..e3bc2c5 100644
--- a/test/src/buffer-tests.el
+++ b/test/src/buffer-tests.el
@@ -1212,6 +1212,14 @@ with parameters from the *Messages* buffer modification."
               (54 . 135)
               (68 . 99))))))
 
+(ert-deftest test-overlay-multibyte-transition-1 ()
+  (with-temp-buffer
+    (set-buffer-multibyte t)
+    (insert "Ä")
+    (let ((ov (make-overlay (point-min) (point-max))))
+      (set-buffer-multibyte nil)
+      (should (eq (overlay-end ov) (point-max))))))
+
 
 ;; 
+===================================================================================+
 ;; | Autogenerated insert/delete/narrow tests