1  /*
       2   * Copyright © 2023  Behdad Esfahbod
       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  
      25  #include "hb-test.h"
      26  
      27  #include <hb-ot.h>
      28  
      29  /* Unit tests for hb-ot-layout.h font extents */
      30  
      31  static void
      32  test_ot_layout_font_extents (void)
      33  {
      34    hb_face_t *face = hb_test_open_font_file ("fonts/base-minmax.ttf");
      35    hb_font_t *font = hb_font_create (face);
      36  
      37    hb_font_extents_t extents;
      38  
      39    g_assert (hb_ot_layout_get_font_extents2 (font, HB_DIRECTION_LTR,
      40  					    HB_SCRIPT_LATIN, HB_LANGUAGE_INVALID,
      41  					    &extents));
      42    g_assert_cmpint (extents.ascender, ==, 2000);
      43  
      44    g_assert (hb_ot_layout_get_font_extents2 (font, HB_DIRECTION_LTR,
      45  					    HB_SCRIPT_LATIN, hb_language_from_string ("xx", -1),
      46  					    &extents));
      47    g_assert_cmpint (extents.ascender, ==, 2000);
      48  
      49    g_assert (!hb_ot_layout_get_font_extents2 (font, HB_DIRECTION_LTR,
      50  					     HB_SCRIPT_ARABIC, HB_LANGUAGE_INVALID,
      51  					     &extents));
      52    g_assert_cmpint (extents.ascender, ==, 3000);
      53  
      54    hb_font_destroy (font);
      55    hb_face_destroy (face);
      56  }
      57  
      58  int
      59  main (int argc, char **argv)
      60  {
      61    hb_test_init (&argc, &argv);
      62  
      63    hb_test_add (test_ot_layout_font_extents);
      64  
      65    return hb_test_run();
      66  }