* lisp/character-fold.el: Also play nice with case-folding

(character-fold-to-regexp): Take `case-fold-search' into account.

1 files changed, 7 insertions, 2 deletions

diff --git a/test/automated/character-fold-tests.el b/test/automated/character-fold-tests.el
index aa2ee96a7a4..3a288b9071c 100644
--- a/test/automated/character-fold-tests.el
+++ b/test/automated/character-fold-tests.el
@@ -37,7 +37,7 @@
 
 
 (ert-deftest character-fold--test-consistency ()
-  (dotimes (n 100)
+  (dotimes (n 50)
     (let ((w (character-fold--random-word n)))
       ;; A folded string should always match the original string.
       (character-fold--test-search-with-contents w w))))
@@ -57,7 +57,12 @@
 (defun character-fold--test-match-exactly (string &rest strings-to-match)
   (let ((re (concat "\\`" (character-fold-to-regexp string) "\\'")))
     (dolist (it strings-to-match)
-      (should (string-match re it)))))
+      (should (string-match re it)))
+    ;; Case folding
+    (let ((case-fold-search t))
+      (dolist (it strings-to-match)
+        (should (string-match (upcase re) (downcase it)))
+        (should (string-match (downcase re) (upcase it)))))))
 
 (ert-deftest character-fold--test-some-defaults ()
   (dolist (it '(("ffl" . "ffl") ("ffi" . "ffi")