;; this last used to crash
(parse-partial-sexp point (point-max)))))
+
+;; Test backward-up-list
+;; Known-Bug: report = Evgeny Zacjev ca 2005-12-01, confirm = Aidan Kehoe
+
+(with-temp-buffer
+ ;; We are now using the standard syntax table. Thus there's no need to
+ ;; worry about a bogus syntax setting, eg, in a Gnus Article buffer the
+ ;; bug doesn't manifest.
+
+ ;; value of point to the immediate left of this character
+ ;; 0 1 2
+ ;; 1234 56789 012 34567 890 12 3456 7
+ (insert "a ( \"b (c\" (\"defg\") \")\") h\n")
+
+ ;; #### This test should check *every* position.
+ (flet ((backward-up-list-moves-point-from-to (start expected-end)
+ (goto-char start)
+ (backward-up-list 1)
+ (= (point) expected-end)))
+ (Known-Bug-Expect-Failure
+ ;; Evgeny's case
+ (Assert (backward-up-list-moves-point-from-to 16 12)))
+ (Assert (backward-up-list-moves-point-from-to 19 12))
+ (Assert (backward-up-list-moves-point-from-to 20 3))
+ (Known-Bug-Expect-Failure
+ (Assert (backward-up-list-moves-point-from-to 22 3)))
+ (Known-Bug-Expect-Failure
+ (Assert (backward-up-list-moves-point-from-to 23 3)))
+ (Assert (backward-up-list-moves-point-from-to 24 3))
+ ;; This is maybe a little tricky, since we don't expect the position
+ ;; check to happen -- so use an illegal expected position
+ ;; I don't think there's any other way for this to fail that way,
+ ;; barring hardware error....
+ (Check-Error-Message syntax-error
+ "Unbalanced parentheses"
+ (backward-up-list-moves-point-from-to 25 nil))
+ ;; special-case check that point didn't move
+ (Assert (= (point) 25))))
+
projects / chise / xemacs-chise.git.1 / blobdiff