Add test.c using public API

src/Makefile.am

@@ -106,12 +106,16 @@ libharfbuzz_la_CPPFLAGS = $(HBCFLAGS)
 libharfbuzz_la_LIBADD = $(HBLIBS)
 pkginclude_HEADERS = $(HBHEADERS)
 
-noinst_PROGRAMS = main
+noinst_PROGRAMS = main test
 
 main_SOURCES = main.cc
 main_CPPFLAGS = $(HBCFLAGS)
 main_LDADD = libharfbuzz.la $(HBLIBS)
 
+test_SOURCES = test.c
+test_CPPFLAGS = $(HBCFLAGS)
+test_LDADD = libharfbuzz.la $(HBLIBS)
+
 TESTS = \
 	check-c-linkage-decls.sh \
 	check-header-guards.sh \

src/test.c

@@ -0,0 +1,94 @@
+/*
+ * Copyright (C) 2010  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.
+ *
+ * Red Hat Author(s): Behdad Esfahbod
+ * Google Author(s): Behdad Esfahbod
+ */
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "hb.h"
+
+#ifdef HAVE_GLIB
+#include <glib.h>
+#endif
+#include <stdlib.h>
+#include <stdio.h>
+
+HB_BEGIN_DECLS
+
+
+int
+main (int argc, char **argv)
+{
+  hb_blob_t *blob = NULL;
+  hb_face_t *face = NULL;
+
+  if (argc != 2) {
+    fprintf (stderr, "usage: %s font-file.ttf\n", argv[0]);
+    exit (1);
+  }
+
+  /* Create the blob */
+  {
+    const char *font_data;
+    unsigned int len;
+    hb_destroy_func_t destroy;
+    void *user_data;
+
+#ifdef HAVE_GLIB
+    GMappedFile *mf = g_mapped_file_new (argv[1], FALSE, NULL);
+    font_data = g_mapped_file_get_contents (mf);
+    len = g_mapped_file_get_length (mf);
+    destroy = (hb_destroy_func_t) g_mapped_file_unref;
+    user_data = (void *) mf;
+#else
+    FILE *f = fopen (argv[1], "rb");
+    fseek (f, 0, SEEK_END);
+    len = ftell (f);
+    fseek (f, 0, SEEK_SET);
+    font_data = (const char *) malloc (len);
+    if (!font_data) len = 0;
+    len = fread ((char *) font_data, 1, len, f);
+    destroy = free;
+    user_data = (void *) font_data;
+    fclose (f);
+#endif
+
+    blob = hb_blob_create (font_data, len,
+			   HB_MEMORY_MODE_READONLY_MAY_MAKE_WRITABLE,
+			   destroy, user_data);
+  }
+
+  /* Create the face */
+  face = hb_face_create_for_data (blob, 0 /* first face */);
+
+  /* So, what now? */
+
+  hb_face_destroy (face);
+  hb_blob_destroy (blob);
+
+  return 0;
+}