1  /*
       2   * Copyright © 2020  Google, Inc.
       3   *
       4   *  This is part of HarfBuzz, a text shaping library.
       5   *
       6   * Permission is hereby granted, without written agreement and without
       7   * license or royalty fees, to use, copy, modify, and distribute this
       8   * software and its documentation for any purpose, provided that the
       9   * above copyright notice and the following two paragraphs appear in
      10   * all copies of this software.
      11   *
      12   * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
      13   * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
      14   * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
      15   * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
      16   * DAMAGE.
      17   *
      18   * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
      19   * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
      20   * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
      21   * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
      22   * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
      23   *
      24   * Google Author(s): Calder Kitagawa
      25   */
      26  
      27  #include "hb-test.h"
      28  #include "hb-subset-test.h"
      29  
      30  /* Unit tests for sbix subsetting */
      31  
      32  static void
      33  test_subset_sbix_noop (void)
      34  {
      35    hb_face_t *face_XY = hb_test_open_font_file ("fonts/sbix.ttf");
      36  
      37    hb_set_t *codepoints = hb_set_create ();
      38    hb_face_t *face_XY_subset;
      39    hb_set_add (codepoints, 88);
      40    hb_set_add (codepoints, 89);
      41    face_XY_subset = hb_subset_test_create_subset (face_XY, hb_subset_test_create_input (codepoints));
      42    hb_set_destroy (codepoints);
      43  
      44    hb_subset_test_check (face_XY, face_XY_subset, HB_TAG ('s','b','i','x'));
      45  
      46    hb_face_destroy (face_XY_subset);
      47    hb_face_destroy (face_XY);
      48  }
      49  
      50  static void
      51  test_subset_sbix_keep_one (void)
      52  {
      53    hb_face_t *face_XY = hb_test_open_font_file ("fonts/sbix.ttf");
      54    hb_face_t *face_X = hb_test_open_font_file ("fonts/sbix_X.ttf");
      55  
      56    hb_set_t *codepoints = hb_set_create ();
      57    hb_face_t *face_X_subset;
      58    hb_set_add (codepoints, 88);
      59    face_X_subset = hb_subset_test_create_subset (face_XY, hb_subset_test_create_input (codepoints));
      60    hb_set_destroy (codepoints);
      61  
      62    hb_subset_test_check (face_X, face_X_subset, HB_TAG ('s','b','i','x'));
      63  
      64    hb_face_destroy (face_X_subset);
      65    hb_face_destroy (face_XY);
      66    hb_face_destroy (face_X);
      67  }
      68  
      69  // TODO: add a test that doesn't use contiguous codepoints.
      70  // TODO: add a test that keeps no codepoints.
      71  
      72  int
      73  main (int argc, char **argv)
      74  {
      75    hb_test_init (&argc, &argv);
      76  
      77    hb_test_add (test_subset_sbix_noop);
      78    hb_test_add (test_subset_sbix_keep_one);
      79  
      80    return hb_test_run();
      81  }