--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/thirdparty/harfbuzz/src/test-ot-glyphname.cc	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,89 @@
+/*
+ * 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-ot.h"
+
+#ifdef HB_NO_OPEN
+#define hb_blob_create_from_file_or_fail(x)  hb_blob_get_empty ()
+#endif
+
+int
+main (int argc, char **argv)
+{
+  if (argc != 2) {
+    fprintf (stderr, "usage: %s font-file\n", argv[0]);
+    exit (1);
+  }
+
+  hb_blob_t *blob = hb_blob_create_from_file_or_fail (argv[1]);
+  assert (blob);
+  hb_face_t *face = hb_face_create (blob, 0 /* first face */);
+  hb_font_t *font = hb_font_create (face);
+  hb_blob_destroy (blob);
+  blob = nullptr;
+  
+
+  const unsigned int num_glyphs = hb_face_get_glyph_count (face);
+  int	result = 1;
+
+  for (hb_codepoint_t gid = 0; gid < num_glyphs; gid++)
+  {
+    char buf[64];
+    unsigned int buf_size = sizeof (buf);
+    if (hb_font_get_glyph_name (font, gid, buf, buf_size))
+    {
+      hb_codepoint_t	gid_inv;
+      if (hb_font_get_glyph_from_name(font, buf, strlen (buf), &gid_inv))
+      {
+	if (gid == gid_inv)
+	{
+	  printf ("%u <-> %s\n", gid, buf);
+	}
+	else
+	{
+	  printf ("%u -> %s -> %u\n", gid, buf, gid_inv);
+	  result = 0;
+	}
+      }
+      else
+      {
+	printf ("%u -> %s -> ?\n", gid, buf);
+	result = 0;
+      }
+    }
+    else
+    {
+      printf ("%u -> ?\n", gid);
+      result = 0;
+    }
+  }
+
+  hb_font_destroy (font);
+  hb_face_destroy (face);
+
+  return !result;
+}