1  /*
       2   * Copyright © 2019  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): Garret Rieger
      25   */
      26  
      27  #include "hb-test.h"
      28  #include "hb-subset-test.h"
      29  
      30  /* Unit tests for hb-subset.cc drop tables functionality */
      31  
      32  static void
      33  test_subset_drop_tables (void)
      34  {
      35    hb_face_t *face = hb_test_open_font_file ("fonts/Roboto-Regular.abc.ttf");
      36  
      37    hb_set_t *codepoints = hb_set_create();
      38    hb_set_add (codepoints, 97);
      39    hb_set_add (codepoints, 99);
      40    hb_subset_input_t *input = hb_subset_test_create_input (codepoints);
      41    hb_set_add (hb_subset_input_set (input, HB_SUBSET_SETS_DROP_TABLE_TAG), HB_TAG ('h', 'd', 'm', 'x'));
      42    hb_set_add (hb_subset_input_set (input, HB_SUBSET_SETS_DROP_TABLE_TAG), HB_TAG ('h', 'm', 't', 'x'));
      43    hb_set_destroy (codepoints);
      44  
      45    hb_face_t* subset = hb_subset_or_fail (face, input);
      46    g_assert (subset);
      47  
      48    hb_blob_t *hdmx = hb_face_reference_table (subset, HB_TAG ('h', 'd', 'm', 'x'));
      49    hb_blob_t *hmtx = hb_face_reference_table (subset, HB_TAG ('h', 'm', 't', 'x'));
      50    hb_blob_t *cmap = hb_face_reference_table (subset, HB_TAG ('c', 'm', 'a', 'p'));
      51    g_assert (!hb_blob_get_length (hdmx));
      52    g_assert (!hb_blob_get_length (hmtx));
      53    g_assert ( hb_blob_get_length (cmap));
      54    hb_blob_destroy (hdmx);
      55    hb_blob_destroy (hmtx);
      56    hb_blob_destroy (cmap);
      57  
      58    hb_face_destroy (subset);
      59    hb_subset_input_destroy (input);
      60    hb_face_destroy (face);
      61  }
      62  
      63  
      64  int
      65  main (int argc, char **argv)
      66  {
      67    hb_test_init (&argc, &argv);
      68  
      69    hb_test_add (test_subset_drop_tables);
      70  
      71    return hb_test_run();
      72  }