1  /*
       2   * Copyright © 2018  Ebrahim Byagowi
       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 baseline */
      30  
      31  static void
      32  test_ot_layout_base (void)
      33  {
      34    hb_face_t *face = hb_test_open_font_file ("fonts/base.ttf");
      35    hb_font_t *font = hb_font_create (face);
      36  
      37    hb_position_t position;
      38    g_assert (hb_ot_layout_get_baseline (font, HB_OT_LAYOUT_BASELINE_TAG_IDEO_FACE_BOTTOM_OR_LEFT, HB_DIRECTION_TTB,
      39  				       HB_TAG ('h','a','n','i'),
      40  				       HB_TAG ('E','N','G',' '),
      41  				       &position));
      42    g_assert_cmpint (46, ==, position);
      43  
      44    g_assert (hb_ot_layout_get_baseline2 (font, HB_OT_LAYOUT_BASELINE_TAG_IDEO_FACE_BOTTOM_OR_LEFT, HB_DIRECTION_TTB,
      45  					HB_SCRIPT_HAN,
      46  					hb_language_from_string ("en", -1),
      47  					&position));
      48    g_assert_cmpint (46, ==, position);
      49  
      50    g_assert (!hb_ot_layout_get_baseline (font, HB_OT_LAYOUT_BASELINE_TAG_IDEO_EMBOX_TOP_OR_RIGHT, HB_DIRECTION_TTB,
      51  				        HB_TAG ('h','a','n','i'),
      52  				        HB_TAG ('E','N','G',' '),
      53  				        &position));
      54  
      55    hb_font_destroy (font);
      56    hb_face_destroy (face);
      57  }
      58  
      59  static void
      60  test_ot_layout_base_with_fallback (void)
      61  {
      62    hb_face_t *face = hb_test_open_font_file ("fonts/base.ttf");
      63    hb_font_t *font = hb_font_create (face);
      64  
      65    hb_position_t position;
      66    hb_ot_layout_get_baseline_with_fallback (font, HB_OT_LAYOUT_BASELINE_TAG_IDEO_FACE_BOTTOM_OR_LEFT, HB_DIRECTION_TTB,
      67  					   HB_TAG ('h','a','n','i'),
      68  					   HB_TAG ('E','N','G',' '),
      69  					   &position);
      70    g_assert_cmpint (46, ==, position);
      71  
      72    hb_ot_layout_get_baseline_with_fallback2 (font, HB_OT_LAYOUT_BASELINE_TAG_IDEO_FACE_BOTTOM_OR_LEFT, HB_DIRECTION_TTB,
      73  					    HB_SCRIPT_HAN,
      74  					    hb_language_from_string ("en", -1),
      75  					    &position);
      76    g_assert_cmpint (46, ==, position);
      77  
      78    hb_ot_layout_get_baseline_with_fallback (font, HB_OT_LAYOUT_BASELINE_TAG_IDEO_EMBOX_TOP_OR_RIGHT, HB_DIRECTION_TTB,
      79  					   HB_TAG ('h','a','n','i'),
      80  					   HB_TAG ('E','N','G',' '),
      81  					   &position);
      82    g_assert_cmpint (1000, ==, position);
      83  
      84    hb_ot_layout_get_baseline_with_fallback (font, HB_OT_LAYOUT_BASELINE_TAG_MATH, HB_DIRECTION_LTR,
      85  					   HB_TAG ('h','a','n','i'),
      86  					   HB_TAG ('E','N','G',' '),
      87  					   &position);
      88    g_assert_cmpint (271, ==, position);
      89  
      90    hb_font_destroy (font);
      91    hb_face_destroy (face);
      92  
      93    face = hb_test_open_font_file ("fonts/base2.ttf");
      94    font = hb_font_create (face);
      95  
      96    hb_ot_layout_get_baseline_with_fallback (font, HB_OT_LAYOUT_BASELINE_TAG_HANGING, HB_DIRECTION_LTR,
      97  					   HB_SCRIPT_BENGALI,
      98  					   HB_TAG ('E','N','G',' '),
      99  					   &position);
     100    g_assert_cmpint (622, ==, position);
     101  
     102    hb_ot_layout_get_baseline_with_fallback (font, HB_OT_LAYOUT_BASELINE_TAG_HANGING, HB_DIRECTION_LTR,
     103  					   HB_SCRIPT_TIBETAN,
     104  					   HB_TAG ('E','N','G',' '),
     105  					   &position);
     106    g_assert_cmpint (600, ==, position);
     107  
     108    hb_font_destroy (font);
     109    hb_face_destroy (face);
     110  }
     111  
     112  int
     113  main (int argc, char **argv)
     114  {
     115    hb_test_init (&argc, &argv);
     116  
     117    hb_test_add (test_ot_layout_base);
     118    hb_test_add (test_ot_layout_base_with_fallback);
     119  
     120    return hb_test_run();
     121  }