1  /*
       2   * Copyright © 2020 Adobe 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   * Adobe Author(s): Michiharu Ariza
      25   */
      26  
      27  #include "hb-test.h"
      28  #include "hb-subset-test.h"
      29  
      30  /* Unit tests for GPOS subsetting */
      31  
      32  static void
      33  test_subset_gpos_lookup_subtable (void)
      34  {
      35    hb_face_t *face_pwa = hb_test_open_font_file ("fonts/Roboto-Regular-gpos-.aw.ttf");
      36    hb_face_t *face_wa = hb_test_open_font_file ("fonts/Roboto-Regular-gpos-aw.ttf");
      37  
      38    hb_set_t *codepoints = hb_set_create ();
      39    hb_face_t *face_pwa_subset;
      40    hb_set_add (codepoints, 'a');
      41    hb_set_add (codepoints, 'w');
      42  
      43    hb_subset_input_t *input = hb_subset_test_create_input (codepoints);
      44  
      45    hb_set_del (hb_subset_input_set (input, HB_SUBSET_SETS_DROP_TABLE_TAG),
      46                HB_TAG ('G', 'P', 'O', 'S'));
      47  
      48    face_pwa_subset = hb_subset_test_create_subset (face_pwa, input);
      49    hb_set_destroy (codepoints);
      50  
      51    hb_subset_test_check (face_wa, face_pwa_subset, HB_TAG ('G','P','O','S'));
      52  
      53    hb_face_destroy (face_pwa_subset);
      54    hb_face_destroy (face_pwa);
      55    hb_face_destroy (face_wa);
      56  }
      57  
      58  static void
      59  test_subset_gpos_pairpos1_vf (void)
      60  {
      61    hb_face_t *face_wav = hb_test_open_font_file ("fonts/AdobeVFPrototype.WAV.gpos.otf");
      62    hb_face_t *face_wa = hb_test_open_font_file ("fonts/AdobeVFPrototype.WA.gpos.otf");
      63  
      64    hb_set_t *codepoints = hb_set_create ();
      65    hb_face_t *face_wav_subset;
      66    hb_set_add (codepoints, 'W');
      67    hb_set_add (codepoints, 'A');
      68  
      69    hb_subset_input_t *input = hb_subset_test_create_input (codepoints);
      70  
      71    hb_set_del (hb_subset_input_set (input, HB_SUBSET_SETS_DROP_TABLE_TAG),
      72                HB_TAG ('G', 'P', 'O', 'S'));
      73  
      74    face_wav_subset = hb_subset_test_create_subset (face_wav, input);
      75    hb_set_destroy (codepoints);
      76  
      77    hb_subset_test_check (face_wa, face_wav_subset, HB_TAG ('G','P','O','S'));
      78  
      79    hb_face_destroy (face_wav_subset);
      80    hb_face_destroy (face_wav);
      81    hb_face_destroy (face_wa);
      82  }
      83  
      84  int
      85  main (int argc, char **argv)
      86  {
      87    hb_test_init (&argc, &argv);
      88  
      89    hb_test_add (test_subset_gpos_lookup_subtable);
      90    hb_test_add (test_subset_gpos_pairpos1_vf);
      91  
      92    return hb_test_run ();
      93  }