harfbuzz/test/api/test-subset.c

/*
 * Copyright © 2011  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-test.h"

#ifndef g_assert_cmpmem
#define g_assert_cmpmem(m1, l1, m2, l2) g_assert_true (l1 == l2 && memcmp (m1, m2, l1) == 0)
#endif

/* Unit tests for hb-subset.h */

static const char test_data[] = { 0, 1, 0, 0,	/* sfntVersion */
				  0, 0,		/* numTables */
				  0, 0x10,	/* searchRange */
				  0, 0,		/* entrySelector */
				  0, 0,		/* rangeShift */
				};

static void
test_subset (void)
{
  hb_blob_t *font_blob = hb_blob_create(test_data, sizeof(test_data),
					HB_MEMORY_MODE_READONLY, NULL, NULL);
  hb_face_t *face = hb_face_create(font_blob, 0);

  hb_subset_profile_t *profile = hb_subset_profile_create();
  hb_subset_input_t *input = hb_subset_input_create (hb_set_get_empty ());

  hb_face_t *out_face = hb_subset(face, profile, input);
  g_assert(out_face);
  g_assert(out_face != hb_face_get_empty ());
  hb_blob_t *output = hb_face_reference_blob (out_face);

  unsigned int output_length;
  const char *output_data = hb_blob_get_data(output, &output_length);
  g_assert_cmpmem (test_data, sizeof (test_data), output_data, output_length);

  hb_blob_destroy(output);
  hb_subset_input_destroy(input);
  hb_subset_profile_destroy(profile);
  hb_face_destroy(out_face);
  hb_face_destroy(face);
  hb_blob_destroy(font_blob);
}

int
main (int argc, char **argv)
{
  hb_test_init (&argc, &argv);

  hb_test_add (test_subset);

  return hb_test_run();
}