--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/thirdparty/harfbuzz/src/test-unicode-ranges.cc	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,66 @@
+/*
+ * Copyright © 2018  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Garret Rieger
+ */
+
+#include "hb.hh"
+#include "hb-ot-os2-unicode-ranges.hh"
+
+static void
+test (hb_codepoint_t cp, unsigned int bit)
+{
+  if (OT::_hb_ot_os2_get_unicode_range_bit (cp) != bit)
+  {
+    fprintf (stderr, "got incorrect bit (%d) for cp 0x%X. Should have been %d.",
+	     OT::_hb_ot_os2_get_unicode_range_bit (cp),
+	     cp,
+	     bit);
+    abort();
+  }
+}
+
+static void
+test_get_unicode_range_bit ()
+{
+  test (0x0000, 0);
+  test (0x0042, 0);
+  test (0x007F, 0);
+  test (0x0080, 1);
+
+  test (0x30A0, 50);
+  test (0x30B1, 50);
+  test (0x30FF, 50);
+
+  test (0x10FFFD, 90);
+
+  test (0x30000, -1);
+  test (0x110000, -1);
+}
+
+int
+main ()
+{
+  test_get_unicode_range_bit ();
+  return 0;
+}