harfbuzz/test/api/hb-subset-test.h

/*
 * 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
 */

#ifndef HB_SUBSET_TEST_H
#define HB_SUBSET_TEST_H

#include <stdio.h>

#include "hb-test.h"
#include "hb-subset.h"

#ifdef HAVE_STDBOOL_H
# include <stdbool.h>
#else
typedef short bool;
# ifndef true
#  define true 1
# endif
# ifndef false
#  define false 0
# endif
#endif


HB_BEGIN_DECLS

static inline hb_subset_input_t *
hb_subset_test_create_input (const hb_set_t *codepoints)
{
  hb_subset_input_t *input = hb_subset_input_create_or_fail ();
  hb_set_t * input_codepoints = hb_subset_input_unicode_set (input);
  hb_set_union (input_codepoints, codepoints);
  return input;
}

static inline hb_subset_input_t *
hb_subset_test_create_input_from_glyphs (const hb_set_t *glyphs)
{
  hb_subset_input_t *input = hb_subset_input_create_or_fail ();
  hb_set_t * input_glyphs  = hb_subset_input_glyph_set (input);
  hb_set_union (input_glyphs, glyphs);
  return input;
}

static inline hb_subset_input_t *
hb_subset_test_create_input_from_nameids (const hb_set_t *name_ids)
{
  hb_subset_input_t *input = hb_subset_input_create_or_fail ();
  hb_set_t * input_name_ids  = hb_subset_input_set (input, HB_SUBSET_SETS_NAME_ID);
  hb_set_set (input_name_ids, name_ids);

  hb_set_t *name_langids = hb_subset_input_set (input, HB_SUBSET_SETS_NAME_LANG_ID);
  hb_set_add_range (name_langids, 0, 0x5FFF);

  hb_subset_input_set_flags (input,
                             HB_SUBSET_FLAGS_NAME_LEGACY);
  return input;
}

static inline hb_face_t *
hb_subset_test_create_subset (hb_face_t *source,
			      hb_subset_input_t *input)
{
  hb_face_t *subset = hb_subset_or_fail (source, input);
  g_assert (subset);

  hb_subset_input_destroy (input);
  return subset;
}

static inline void
hb_subset_test_check (hb_face_t *expected,
		      hb_face_t *actual,
		      hb_tag_t   table)
{
  hb_blob_t *expected_blob, *actual_blob;
  expected_blob = hb_face_reference_table (expected, table);
  actual_blob = hb_face_reference_table (actual, table);
  fprintf(stderr, "comparing %c%c%c%c, expected %d bytes, actual %d bytes\n", HB_UNTAG(table), hb_blob_get_length(expected_blob), hb_blob_get_length (actual_blob));

  if (hb_blob_get_length (expected_blob) != 0 ||
      hb_blob_get_length (actual_blob) != 0)
    hb_test_assert_blobs_equal (expected_blob, actual_blob);
  hb_blob_destroy (expected_blob);
  hb_blob_destroy (actual_blob);
}


HB_END_DECLS

#endif /* HB_SUBSET_TEST_H */