--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/thirdparty/harfbuzz/src/test-bimap.cc	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,76 @@
+/*
+ * Copyright © 2019  Adobe, 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.
+ *
+ * Adobe Author(s): Michiharu Ariza
+ */
+
+#include "hb.hh"
+#include "hb-bimap.hh"
+
+int
+main (int argc, char **argv)
+{
+  hb_bimap_t	bm;
+
+  assert (bm.is_empty () == true);
+  bm.set (1, 4);
+  bm.set (2, 5);
+  bm.set (3, 6);
+  assert (bm.get_population () == 3);
+  assert (bm.has (1) == true);
+  assert (bm.has (4) == false);
+  assert (bm[2] == 5);
+  assert (bm.backward (6) == 3);
+  bm.del (1);
+  assert (bm.has (1) == false);
+  assert (bm.has (3) == true);
+  bm.clear ();
+  assert (bm.get_population () == 0);
+
+  hb_inc_bimap_t  ibm;
+
+  assert (ibm.add (13) == 0);
+  assert (ibm.add (8) == 1);
+  assert (ibm.add (10) == 2);
+  assert (ibm.add (8) == 1);
+  assert (ibm.add (7) == 3);
+  assert (ibm.get_population () == 4);
+  assert (ibm[7] == 3);
+
+  ibm.sort ();
+  assert (ibm.get_population () == 4);
+  assert (ibm[7] == 0);
+  assert (ibm[13] == 3);
+
+  ibm.identity (3);
+  assert (ibm.get_population () == 3);
+  assert (ibm[0] == 0);
+  assert (ibm[1] == 1);
+  assert (ibm[2] == 2);
+  assert (ibm.backward (0) == 0);
+  assert (ibm.backward (1) == 1);
+  assert (ibm.backward (2) == 2);
+  assert (ibm.has (4) == false);
+
+  return 0;
+}