kc3-lang/harfbuzz/test/api/test-common.c

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• Hash : 6e06a193
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  Date : 2023-09-30T01:12:16
  

  Add some tests for hb_feature_[from|to]_string()
  

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• test/api/test-common.c

• /*
   * Copyright © 2011  Google, Inc.
   *
   *  This is part of HarfBuzz, a text shaping library.
   *
   * Permission is hereby granted, without written agreement and without
   * license or royalty fees, to use, copy, modify, and distribute this
   * software and its documentation for any purpose, provided that the
   * above copyright notice and the following two paragraphs appear in
   * all copies of this software.
   *
   * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
   * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
   * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
   * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
   * DAMAGE.
   *
   * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
   * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
   * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
   * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
   * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
   *
   * Google Author(s): Behdad Esfahbod
   */
  
  #include "hb-test.h"
  
  /* Unit tests for hb-common.h */
  
  
  static void
  test_types_int (void)
  {
    g_assert_cmpint (sizeof (int8_t), ==, 1);
    g_assert_cmpint (sizeof (uint8_t), ==, 1);
    g_assert_cmpint (sizeof (int16_t), ==, 2);
    g_assert_cmpint (sizeof (uint16_t), ==, 2);
    g_assert_cmpint (sizeof (int32_t), ==, 4);
    g_assert_cmpint (sizeof (uint32_t), ==, 4);
    g_assert_cmpint (sizeof (int64_t), ==, 8);
    g_assert_cmpint (sizeof (uint64_t), ==, 8);
  
    g_assert_cmpint (sizeof (hb_codepoint_t), ==, 4);
    g_assert_cmpint (sizeof (hb_position_t), ==, 4);
    g_assert_cmpint (sizeof (hb_mask_t), ==, 4);
    g_assert_cmpint (sizeof (hb_var_int_t), ==, 4);
  }
  
  static void
  test_types_direction (void)
  {
    g_assert_cmpint ((signed) HB_DIRECTION_INVALID, ==, 0);
    g_assert_cmpint (HB_DIRECTION_LTR, !=, 0);
  
    g_assert (HB_DIRECTION_IS_HORIZONTAL (HB_DIRECTION_LTR));
    g_assert (HB_DIRECTION_IS_HORIZONTAL (HB_DIRECTION_RTL));
    g_assert (!HB_DIRECTION_IS_HORIZONTAL (HB_DIRECTION_TTB));
    g_assert (!HB_DIRECTION_IS_HORIZONTAL (HB_DIRECTION_BTT));
    g_assert (!HB_DIRECTION_IS_HORIZONTAL (HB_DIRECTION_INVALID));
  
    g_assert (!HB_DIRECTION_IS_VERTICAL (HB_DIRECTION_LTR));
    g_assert (!HB_DIRECTION_IS_VERTICAL (HB_DIRECTION_RTL));
    g_assert (HB_DIRECTION_IS_VERTICAL (HB_DIRECTION_TTB));
    g_assert (HB_DIRECTION_IS_VERTICAL (HB_DIRECTION_BTT));
    g_assert (!HB_DIRECTION_IS_VERTICAL (HB_DIRECTION_INVALID));
  
    g_assert (HB_DIRECTION_IS_FORWARD (HB_DIRECTION_LTR));
    g_assert (HB_DIRECTION_IS_FORWARD (HB_DIRECTION_TTB));
    g_assert (!HB_DIRECTION_IS_FORWARD (HB_DIRECTION_RTL));
    g_assert (!HB_DIRECTION_IS_FORWARD (HB_DIRECTION_BTT));
    g_assert (!HB_DIRECTION_IS_FORWARD (HB_DIRECTION_INVALID));
  
    g_assert (!HB_DIRECTION_IS_BACKWARD (HB_DIRECTION_LTR));
    g_assert (!HB_DIRECTION_IS_BACKWARD (HB_DIRECTION_TTB));
    g_assert (HB_DIRECTION_IS_BACKWARD (HB_DIRECTION_RTL));
    g_assert (HB_DIRECTION_IS_BACKWARD (HB_DIRECTION_BTT));
    g_assert (!HB_DIRECTION_IS_BACKWARD (HB_DIRECTION_INVALID));
  
    g_assert (HB_DIRECTION_IS_VALID (HB_DIRECTION_LTR));
    g_assert (HB_DIRECTION_IS_VALID (HB_DIRECTION_TTB));
    g_assert (HB_DIRECTION_IS_VALID (HB_DIRECTION_RTL));
    g_assert (HB_DIRECTION_IS_VALID (HB_DIRECTION_BTT));
    g_assert (!HB_DIRECTION_IS_VALID (HB_DIRECTION_INVALID));
    g_assert (!HB_DIRECTION_IS_VALID ((hb_direction_t) 0x12345678));
  
    g_assert_cmpint (HB_DIRECTION_REVERSE (HB_DIRECTION_LTR), ==, HB_DIRECTION_RTL);
    g_assert_cmpint (HB_DIRECTION_REVERSE (HB_DIRECTION_RTL), ==, HB_DIRECTION_LTR);
    g_assert_cmpint (HB_DIRECTION_REVERSE (HB_DIRECTION_TTB), ==, HB_DIRECTION_BTT);
    g_assert_cmpint (HB_DIRECTION_REVERSE (HB_DIRECTION_BTT), ==, HB_DIRECTION_TTB);
    //g_assert_cmpint (HB_DIRECTION_REVERSE (HB_DIRECTION_INVALID), ==, HB_DIRECTION_INVALID);
  
    g_assert_cmpint (HB_DIRECTION_INVALID, ==, hb_direction_from_string (NULL, -1));
    g_assert_cmpint (HB_DIRECTION_INVALID, ==, hb_direction_from_string ("", -1));
    g_assert_cmpint (HB_DIRECTION_INVALID, ==, hb_direction_from_string ("t", 0));
    g_assert_cmpint (HB_DIRECTION_INVALID, ==, hb_direction_from_string ("x", -1));
    g_assert_cmpint (HB_DIRECTION_RTL, ==, hb_direction_from_string ("r", -1));
    g_assert_cmpint (HB_DIRECTION_RTL, ==, hb_direction_from_string ("rtl", -1));
    g_assert_cmpint (HB_DIRECTION_RTL, ==, hb_direction_from_string ("RtL", -1));
    g_assert_cmpint (HB_DIRECTION_RTL, ==, hb_direction_from_string ("right-to-left", -1));
    g_assert_cmpint (HB_DIRECTION_TTB, ==, hb_direction_from_string ("ttb", -1));
  
    g_assert (0 == strcmp ("ltr", hb_direction_to_string (HB_DIRECTION_LTR)));
    g_assert (0 == strcmp ("rtl", hb_direction_to_string (HB_DIRECTION_RTL)));
    g_assert (0 == strcmp ("ttb", hb_direction_to_string (HB_DIRECTION_TTB)));
    g_assert (0 == strcmp ("btt", hb_direction_to_string (HB_DIRECTION_BTT)));
    g_assert (0 == strcmp ("invalid", hb_direction_to_string (HB_DIRECTION_INVALID)));
  }
  
  static void
  test_types_tag (void)
  {
    g_assert_cmphex (HB_TAG_NONE, ==, 0);
  
    g_assert_cmphex (HB_TAG ('a','B','c','D'), ==, 0x61426344);
  
    g_assert_cmphex (hb_tag_from_string ("aBcDe", -1), ==, 0x61426344);
    g_assert_cmphex (hb_tag_from_string ("aBcD", -1),  ==, 0x61426344);
    g_assert_cmphex (hb_tag_from_string ("aBc", -1),   ==, 0x61426320);
    g_assert_cmphex (hb_tag_from_string ("aB", -1),    ==, 0x61422020);
    g_assert_cmphex (hb_tag_from_string ("a", -1),     ==, 0x61202020);
    g_assert_cmphex (hb_tag_from_string ("aBcDe",  1), ==, 0x61202020);
    g_assert_cmphex (hb_tag_from_string ("aBcDe",  2), ==, 0x61422020);
    g_assert_cmphex (hb_tag_from_string ("aBcDe",  3), ==, 0x61426320);
    g_assert_cmphex (hb_tag_from_string ("aBcDe",  4), ==, 0x61426344);
    g_assert_cmphex (hb_tag_from_string ("aBcDe",  4), ==, 0x61426344);
  
    g_assert_cmphex (hb_tag_from_string ("", -1),      ==, HB_TAG_NONE);
    g_assert_cmphex (hb_tag_from_string ("x", 0),      ==, HB_TAG_NONE);
    g_assert_cmphex (hb_tag_from_string (NULL, -1),    ==, HB_TAG_NONE);
  }
  
  static void
  test_types_script (void)
  {
    hb_tag_t arab = HB_TAG_CHAR4 ("arab");
    hb_tag_t Arab = HB_TAG_CHAR4 ("Arab");
    hb_tag_t ARAB = HB_TAG_CHAR4 ("ARAB");
  
    hb_tag_t wWyZ = HB_TAG_CHAR4 ("wWyZ");
    hb_tag_t Wwyz = HB_TAG_CHAR4 ("Wwyz");
  
    hb_tag_t x123 = HB_TAG_CHAR4 ("x123");
  
    g_assert_cmpint (HB_SCRIPT_INVALID, ==, (hb_script_t) HB_TAG_NONE);
    g_assert_cmphex (HB_SCRIPT_ARABIC, !=, HB_SCRIPT_LATIN);
  
    g_assert_cmphex (HB_SCRIPT_INVALID, ==, hb_script_from_string (NULL, -1));
    g_assert_cmphex (HB_SCRIPT_INVALID, ==, hb_script_from_string ("", -1));
    g_assert_cmphex (HB_SCRIPT_INVALID, ==, hb_script_from_string ("x", 0));
    g_assert_cmphex (HB_SCRIPT_UNKNOWN, ==, hb_script_from_string ("x", -1));
  
    g_assert_cmphex (HB_SCRIPT_ARABIC, ==, hb_script_from_string ("arab", -1));
    g_assert_cmphex (HB_SCRIPT_ARABIC, ==, hb_script_from_string ("Arab", -1));
    g_assert_cmphex (HB_SCRIPT_ARABIC, ==, hb_script_from_string ("ARAB", -1));
    g_assert_cmphex (HB_SCRIPT_ARABIC, ==, hb_script_from_string ("Arabic", 6));
    g_assert_cmphex (HB_SCRIPT_ARABIC, !=, hb_script_from_string ("Arabic", 3));
  
    g_assert_cmphex (HB_SCRIPT_ARABIC, ==, hb_script_from_iso15924_tag (arab));
    g_assert_cmphex (HB_SCRIPT_ARABIC, ==, hb_script_from_iso15924_tag (Arab));
    g_assert_cmphex (HB_SCRIPT_ARABIC, ==, hb_script_from_iso15924_tag (ARAB));
  
    /* Arbitrary tags that look like may be valid ISO 15924 should be preserved. */
    g_assert_cmphex (HB_SCRIPT_UNKNOWN, !=, hb_script_from_string ("wWyZ", -1));
    g_assert_cmphex (HB_SCRIPT_UNKNOWN, !=, hb_script_from_iso15924_tag (wWyZ));
    /* Otherwise, UNKNOWN should be returned. */
    g_assert_cmphex (HB_SCRIPT_UNKNOWN, ==, hb_script_from_string ("x123", -1));
    g_assert_cmphex (HB_SCRIPT_UNKNOWN, ==, hb_script_from_iso15924_tag (x123));
  
    g_assert_cmphex (hb_script_to_iso15924_tag (HB_SCRIPT_ARABIC), ==, Arab);
    g_assert_cmphex (hb_script_to_iso15924_tag (hb_script_from_iso15924_tag (wWyZ)), ==, Wwyz);
  
    g_assert_cmpint (hb_script_get_horizontal_direction (HB_SCRIPT_LATIN), ==, HB_DIRECTION_LTR);
    g_assert_cmpint (hb_script_get_horizontal_direction (HB_SCRIPT_ARABIC), ==, HB_DIRECTION_RTL);
    g_assert_cmpint (hb_script_get_horizontal_direction (HB_SCRIPT_OLD_ITALIC), ==, HB_DIRECTION_INVALID);
    g_assert_cmpint (hb_script_get_horizontal_direction (hb_script_from_iso15924_tag (wWyZ)), ==, HB_DIRECTION_LTR);
  }
  
  static void
  test_types_language (void)
  {
    hb_language_t fa = hb_language_from_string ("fa", -1);
    hb_language_t fa_IR = hb_language_from_string ("fa_IR", -1);
    hb_language_t fa_ir = hb_language_from_string ("fa-ir", -1);
    hb_language_t en = hb_language_from_string ("en", -1);
  
    g_assert (HB_LANGUAGE_INVALID == NULL);
  
    g_assert (fa != NULL);
    g_assert (fa_IR != NULL);
    g_assert (fa_IR == fa_ir);
  
    g_assert (en != NULL);
    g_assert (en != fa);
  
    /* Test recall */
    g_assert (en == hb_language_from_string ("en", -1));
    g_assert (en == hb_language_from_string ("eN", -1));
    g_assert (en == hb_language_from_string ("Enx", 2));
  
    g_assert (HB_LANGUAGE_INVALID == hb_language_from_string (NULL, -1));
    g_assert (HB_LANGUAGE_INVALID == hb_language_from_string ("", -1));
    g_assert (HB_LANGUAGE_INVALID == hb_language_from_string ("en", 0));
    g_assert (HB_LANGUAGE_INVALID != hb_language_from_string ("en", 1));
    g_assert (NULL == hb_language_to_string (HB_LANGUAGE_INVALID));
  
    /* Not sure how to test this better.  Setting env vars
     * here doesn't sound like the right approach, and I'm
     * not sure that it even works. */
    g_assert (HB_LANGUAGE_INVALID != hb_language_get_default ());
  }
  
  static void
  test_types_feature (void)
  {
    hb_feature_t feature;
    char buf[100];
  
    g_assert (hb_feature_from_string ("abcd", -1, &feature));
    hb_feature_to_string (&feature, buf, 100);
    g_assert (0 == strcmp ("abcd", buf));
  
    g_assert (hb_feature_from_string ("abcd=1", -1, &feature));
    hb_feature_to_string (&feature, buf, 100);
    g_assert (0 == strcmp ("abcd", buf));
  
    g_assert (hb_feature_from_string ("+abcd", -1, &feature));
    hb_feature_to_string (&feature, buf, 100);
    g_assert (0 == strcmp ("abcd", buf));
  
    g_assert (hb_feature_from_string ("abcd=0", -1, &feature));
    hb_feature_to_string (&feature, buf, 100);
    g_assert (0 == strcmp ("-abcd", buf));
  
    g_assert (hb_feature_from_string ("-abcd", -1, &feature));
    hb_feature_to_string (&feature, buf, 100);
    g_assert (0 == strcmp ("-abcd", buf));
  
    g_assert (hb_feature_from_string ("abcd=2", -1, &feature));
    hb_feature_to_string (&feature, buf, 100);
    g_assert (0 == strcmp ("abcd=2", buf));
  
    g_assert (hb_feature_from_string ("+abcd=2", -1, &feature));
    hb_feature_to_string (&feature, buf, 100);
    g_assert (0 == strcmp ("abcd=2", buf));
  
    g_assert (hb_feature_from_string ("-abcd=2", -1, &feature));
    hb_feature_to_string (&feature, buf, 100);
    g_assert (0 == strcmp ("abcd=2", buf));
  
    g_assert (hb_feature_from_string ("\"abcd\" on", -1, &feature));
    hb_feature_to_string (&feature, buf, 100);
    g_assert (0 == strcmp ("abcd", buf));
  
    g_assert (hb_feature_from_string ("\"abcd\" off", -1, &feature));
    hb_feature_to_string (&feature, buf, 100);
    g_assert (0 == strcmp ("-abcd", buf));
  
    g_assert (hb_feature_from_string ("\"abcd\" 1", -1, &feature));
    hb_feature_to_string (&feature, buf, 100);
    g_assert (0 == strcmp ("abcd", buf));
  
    g_assert (hb_feature_from_string ("\"abcd\" 0", -1, &feature));
    hb_feature_to_string (&feature, buf, 100);
    g_assert (0 == strcmp ("-abcd", buf));
  
    g_assert (hb_feature_from_string ("\"abcd\" 2", -1, &feature));
    hb_feature_to_string (&feature, buf, 100);
    g_assert (0 == strcmp ("abcd=2", buf));
  
    g_assert (hb_feature_from_string ("abcd[0]", -1, &feature));
    hb_feature_to_string (&feature, buf, 100);
    g_assert (0 == strcmp ("abcd[]", buf));
  
    g_assert (hb_feature_from_string ("abcd[1]", -1, &feature));
    hb_feature_to_string (&feature, buf, 100);
    g_assert (0 == strcmp ("abcd[1]", buf));
  
    g_assert (hb_feature_from_string ("abcd[1]=1", -1, &feature));
    hb_feature_to_string (&feature, buf, 100);
    g_assert (0 == strcmp ("abcd[1]", buf));
  
    g_assert (hb_feature_from_string ("abcd[1]=2", -1, &feature));
    hb_feature_to_string (&feature, buf, 100);
    g_assert (0 == strcmp ("abcd[1]=2", buf));
  
    g_assert (hb_feature_from_string ("abcd[1]=0", -1, &feature));
    hb_feature_to_string (&feature, buf, 100);
    g_assert (0 == strcmp ("-abcd[1]", buf));
  
    g_assert (hb_feature_from_string ("abcd[]", -1, &feature));
    hb_feature_to_string (&feature, buf, 100);
    g_assert (0 == strcmp ("abcd", buf));
  
    g_assert (hb_feature_from_string ("abcd[:]", -1, &feature));
    hb_feature_to_string (&feature, buf, 100);
    g_assert (0 == strcmp ("abcd", buf));
  
    g_assert (hb_feature_from_string ("abcd[1:]", -1, &feature));
    hb_feature_to_string (&feature, buf, 100);
    g_assert (0 == strcmp ("abcd[1:]", buf));
  
    g_assert (hb_feature_from_string ("abcd[:1]", -1, &feature));
    hb_feature_to_string (&feature, buf, 100);
    g_assert (0 == strcmp ("abcd[]", buf));
  
    g_assert (hb_feature_from_string ("abcd[1:3]", -1, &feature));
    hb_feature_to_string (&feature, buf, 100);
    g_assert (0 == strcmp ("abcd[1:3]", buf));
  
    g_assert (hb_feature_from_string ("abcd[1:2]=1", -1, &feature));
    hb_feature_to_string (&feature, buf, 100);
    g_assert (0 == strcmp ("abcd[1]", buf));
  
    g_assert (hb_feature_from_string ("abcd[1:4]=2", -1, &feature));
    hb_feature_to_string (&feature, buf, 100);
    g_assert (0 == strcmp ("abcd[1:4]=2", buf));
  }
  
  int
  main (int argc, char **argv)
  {
    hb_test_init (&argc, &argv);
  
    hb_test_add (test_types_int);
    hb_test_add (test_types_direction);
    hb_test_add (test_types_tag);
    hb_test_add (test_types_script);
    hb_test_add (test_types_language);
    hb_test_add (test_types_feature);
  
    return hb_test_run();
  }
  

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