kc3-lang/harfbuzz/test/api/test-ot-tag.c

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• Hash : 7d4da8b8
  Author :
  Date : 2019-09-06T19:24:32
  

  Remove duplicated tests from test-ot-tag (#1958)
  
  

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• test/api/test-ot-tag.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"
  
  #include <hb-ot.h>
  
  /* Unit tests for hb-ot-tag.h */
  
  
  /* https://docs.microsoft.com/en-us/typography/opentype/spec/scripttags */
  
  static void
  test_simple_tags (const char *s, hb_script_t script)
  {
    hb_script_t tag;
    unsigned int count = 2;
    hb_tag_t t[2];
  
    g_test_message ("Testing script %c%c%c%c: tag %s", HB_UNTAG (hb_script_to_iso15924_tag (script)), s);
    tag = hb_tag_from_string (s, -1);
  
    hb_ot_tags_from_script_and_language (script,
  				       HB_LANGUAGE_INVALID,
  				       &count, t, NULL, NULL);
  
    if (count)
      g_assert_cmphex (t[0], ==, tag);
    else
      g_assert_cmphex (HB_TAG_CHAR4 ("DFLT"), ==, tag);
  
    g_assert_cmphex (hb_ot_tag_to_script (tag), ==, script);
  }
  
  static void
  test_script_tags_from_language (const char *s, const char *lang_s, hb_script_t script)
  {
    hb_script_t tag;
    unsigned int count = 1;
    hb_tag_t t;
  
    g_test_message ("Testing script %c%c%c%c: script tag %s, language tag %s", HB_UNTAG (hb_script_to_iso15924_tag (script)), s, lang_s);
    tag = hb_tag_from_string (s, -1);
  
    hb_ot_tags_from_script_and_language (script, hb_language_from_string (lang_s, -1), &count, &t, NULL, NULL);
  
    if (count != 0)
    {
      g_assert_cmpuint (count, ==, 1);
      g_assert_cmphex (t, ==, tag);
    }
  }
  
  static void
  test_indic_tags (const char *s1, const char *s2, const char *s3, hb_script_t script)
  {
    hb_script_t tag1, tag2, tag3;
    hb_tag_t t[3];
    unsigned int count = 3;
  
    g_test_message ("Testing script %c%c%c%c: USE tag %s, new tag %s, old tag %s", HB_UNTAG (hb_script_to_iso15924_tag (script)), s1, s2, s3);
    tag1 = hb_tag_from_string (s1, -1);
    tag2 = hb_tag_from_string (s2, -1);
    tag3 = hb_tag_from_string (s3, -1);
  
    hb_ot_tags_from_script_and_language (script,
  				       HB_LANGUAGE_INVALID,
  				       &count, t, NULL, NULL);
  
    g_assert_cmpuint (count, ==, 3);
    g_assert_cmphex (t[0], ==, tag1);
    g_assert_cmphex (t[1], ==, tag2);
    g_assert_cmphex (t[2], ==, tag3);
  
    g_assert_cmphex (hb_ot_tag_to_script (tag1), ==, script);
    g_assert_cmphex (hb_ot_tag_to_script (tag2), ==, script);
    g_assert_cmphex (hb_ot_tag_to_script (tag3), ==, script);
  }
  
  static void
  test_ot_tag_script_degenerate (void)
  {
    hb_tag_t t[2];
    unsigned int count = 2;
  
    g_assert_cmphex (HB_TAG_CHAR4 ("DFLT"), ==, HB_OT_TAG_DEFAULT_SCRIPT);
  
    /* HIRAGANA and KATAKANA both map to 'kana' */
    test_simple_tags ("kana", HB_SCRIPT_KATAKANA);
  
    hb_ot_tags_from_script_and_language (HB_SCRIPT_HIRAGANA,
  				       HB_LANGUAGE_INVALID,
  				       &count, t, NULL, NULL);
  
    g_assert_cmpuint (count, ==, 1);
    g_assert_cmphex (t[0], ==, HB_TAG_CHAR4 ("kana"));
  
    test_simple_tags ("DFLT", HB_SCRIPT_INVALID);
  
    /* Spaces are replaced */
    g_assert_cmphex (hb_ot_tag_to_script (HB_TAG_CHAR4 ("be  ")), ==, hb_script_from_string ("Beee", -1));
  }
  
  static void
  test_ot_tag_script_simple (void)
  {
    /* Arbitrary non-existent script */
    test_simple_tags ("wwyz", hb_script_from_string ("wWyZ", -1));
  
    /* These we don't really care about */
    test_simple_tags ("zyyy", HB_SCRIPT_COMMON);
    test_simple_tags ("zinh", HB_SCRIPT_INHERITED);
    test_simple_tags ("zzzz", HB_SCRIPT_UNKNOWN);
  
    test_simple_tags ("arab", HB_SCRIPT_ARABIC);
    test_simple_tags ("copt", HB_SCRIPT_COPTIC);
    test_simple_tags ("kana", HB_SCRIPT_KATAKANA);
    test_simple_tags ("latn", HB_SCRIPT_LATIN);
  
    /* These are trickier since their OT script tags have space. */
    test_simple_tags ("lao ", HB_SCRIPT_LAO);
    test_simple_tags ("yi  ", HB_SCRIPT_YI);
    /* Unicode-5.0 additions */
    test_simple_tags ("nko ", HB_SCRIPT_NKO);
    /* Unicode-5.1 additions */
    test_simple_tags ("vai ", HB_SCRIPT_VAI);
  
    /* https://docs.microsoft.com/en-us/typography/opentype/spec/scripttags */
  
    /* Unicode-5.2 additions */
    test_simple_tags ("mtei", HB_SCRIPT_MEETEI_MAYEK);
    /* Unicode-6.0 additions */
    test_simple_tags ("mand", HB_SCRIPT_MANDAIC);
  }
  
  static void
  test_ot_tag_script_from_language (void)
  {
    test_script_tags_from_language (NULL, NULL, HB_SCRIPT_INVALID);
    test_script_tags_from_language (NULL, "en", HB_SCRIPT_INVALID);
    test_script_tags_from_language ("copt", "en", HB_SCRIPT_COPTIC);
    test_script_tags_from_language (NULL, "x-hbsc", HB_SCRIPT_INVALID);
    test_script_tags_from_language ("copt", "x-hbsc", HB_SCRIPT_COPTIC);
    test_script_tags_from_language ("abc ", "x-hbscabc", HB_SCRIPT_INVALID);
    test_script_tags_from_language ("deva", "x-hbscdeva", HB_SCRIPT_INVALID);
    test_script_tags_from_language ("dev2", "x-hbscdev2", HB_SCRIPT_INVALID);
    test_script_tags_from_language ("dev3", "x-hbscdev3", HB_SCRIPT_INVALID);
    test_script_tags_from_language ("copt", "x-hbotpap0-hbsccopt", HB_SCRIPT_INVALID);
    test_script_tags_from_language (NULL, "en-x-hbsc", HB_SCRIPT_INVALID);
    test_script_tags_from_language ("copt", "en-x-hbsc", HB_SCRIPT_COPTIC);
    test_script_tags_from_language ("abc ", "en-x-hbscabc", HB_SCRIPT_INVALID);
    test_script_tags_from_language ("deva", "en-x-hbscdeva", HB_SCRIPT_INVALID);
    test_script_tags_from_language ("dev2", "en-x-hbscdev2", HB_SCRIPT_INVALID);
    test_script_tags_from_language ("dev3", "en-x-hbscdev3", HB_SCRIPT_INVALID);
    test_script_tags_from_language ("copt", "en-x-hbotpap0-hbsccopt", HB_SCRIPT_INVALID);
  }
  
  static void
  test_ot_tag_script_indic (void)
  {
    test_indic_tags ("bng3", "bng2", "beng", HB_SCRIPT_BENGALI);
    test_indic_tags ("dev3", "dev2", "deva", HB_SCRIPT_DEVANAGARI);
    test_indic_tags ("gjr3", "gjr2", "gujr", HB_SCRIPT_GUJARATI);
    test_indic_tags ("gur3", "gur2", "guru", HB_SCRIPT_GURMUKHI);
    test_indic_tags ("knd3", "knd2", "knda", HB_SCRIPT_KANNADA);
    test_indic_tags ("mlm3", "mlm2", "mlym", HB_SCRIPT_MALAYALAM);
    test_indic_tags ("ory3", "ory2", "orya", HB_SCRIPT_ORIYA);
    test_indic_tags ("tml3", "tml2", "taml", HB_SCRIPT_TAMIL);
    test_indic_tags ("tel3", "tel2", "telu", HB_SCRIPT_TELUGU);
  }
  
  
  
  /* https://docs.microsoft.com/en-us/typography/opentype/spec/languagetags */
  
  static void
  test_language_two_way (const char *tag_s, const char *lang_s)
  {
    hb_language_t lang = hb_language_from_string (lang_s, -1);
    hb_tag_t tag = hb_tag_from_string (tag_s, -1);
    hb_tag_t tag2;
    unsigned int count = 1;
  
    g_test_message ("Testing language %s <-> tag %s", lang_s, tag_s);
  
    hb_ot_tags_from_script_and_language (HB_SCRIPT_INVALID,
  				       lang,
  				       NULL, NULL, &count, &tag2);
  
    if (count)
      g_assert_cmphex (tag, ==, tag2);
    else
      g_assert_cmphex (tag, ==, HB_TAG_CHAR4 ("dflt"));
    g_assert (lang == hb_ot_tag_to_language (tag));
  }
  
  static void
  test_tag_from_language (const char *tag_s, const char *lang_s)
  {
    hb_language_t lang = hb_language_from_string (lang_s, -1);
    hb_tag_t tag = hb_tag_from_string (tag_s, -1);
    hb_tag_t tag2;
    unsigned int count = 1;
  
    g_test_message ("Testing language %s -> tag %s", lang_s, tag_s);
  
    hb_ot_tags_from_script_and_language (HB_SCRIPT_INVALID,
  				       lang,
  				       NULL, NULL, &count, &tag2);
  
    if (count)
      g_assert_cmphex (tag, ==, tag2);
    else
      g_assert_cmphex (tag, ==, HB_TAG_CHAR4 ("dflt"));
  }
  
  static void
  test_tag_to_language (const char *tag_s, const char *lang_s)
  {
    hb_language_t lang = hb_language_from_string (lang_s, -1);
    hb_tag_t tag = hb_tag_from_string (tag_s, -1);
  
    g_test_message ("Testing tag %s -> language %s", tag_s, lang_s);
  
    g_assert (lang == hb_ot_tag_to_language (tag));
  }
  
  static void
  test_tags_to_script_and_language (const char *script_tag_s,
  				  const char *lang_tag_s,
  				  const char *script_s,
  				  const char *lang_s)
  {
    hb_script_t actual_script[1];
    hb_language_t actual_lang[1];
    hb_tag_t script_tag = hb_tag_from_string (script_tag_s, -1);
    hb_tag_t lang_tag = hb_tag_from_string (lang_tag_s, -1);
    hb_ot_tags_to_script_and_language (script_tag, lang_tag, actual_script, actual_lang);
    g_assert_cmphex (*actual_script, ==, hb_tag_from_string (script_s, -1));
    g_assert_cmpstr (hb_language_to_string (*actual_lang), ==, lang_s);
  }
  
  static void
  test_ot_tags_to_script_and_language (void)
  {
    test_tags_to_script_and_language ("DFLT", "ENG", "", "en-x-hbscdflt");
    test_tags_to_script_and_language ("latn", "ENG", "Latn", "en");
    test_tags_to_script_and_language ("deva", "MAR", "Deva", "mr-x-hbscdeva");
    test_tags_to_script_and_language ("dev2", "MAR", "Deva", "mr-x-hbscdev2");
    test_tags_to_script_and_language ("dev3", "MAR", "Deva", "mr");
    test_tags_to_script_and_language ("qaa", "QTZ0", "Qaaa", "x-hbotqtz0-hbscqaa");
  }
  
  static void
  test_ot_tag_language (void)
  {
    g_assert_cmphex (HB_TAG_CHAR4 ("dflt"), ==, HB_OT_TAG_DEFAULT_LANGUAGE);
    test_language_two_way ("dflt", NULL);
  
    test_language_two_way ("ALT", "alt");
  
    test_language_two_way ("ARA", "ar");
  
    test_language_two_way ("AZE", "az");
    test_tag_from_language ("AZE", "az-ir");
    test_tag_from_language ("AZE", "az-az");
  
    test_language_two_way ("ENG", "en");
    test_tag_from_language ("ENG", "en_US");
  
    test_language_two_way ("CJA", "cja"); /* Western Cham */
    test_language_two_way ("CJM", "cjm"); /* Eastern Cham */
    test_language_two_way ("EVN", "eve");
  
    test_language_two_way ("HAL", "cfm"); /* BCP47 and current ISO639-3 code for Halam/Falam Chin */
    test_tag_from_language ("HAL", "flm"); /* Retired ISO639-3 code for Halam/Falam Chin */
  
    test_tag_from_language ("QIN", "bgr"); /* Bawm Chin */
    test_tag_from_language ("QIN", "cbl"); /* Bualkhaw Chin */
    test_tag_from_language ("QIN", "cka"); /* Khumi Awa Chin */
    test_tag_from_language ("QIN", "cmr"); /* Mro-Khimi Chin */
    test_tag_from_language ("QIN", "cnb"); /* Chinbon Chin */
    test_tag_from_language ("QIN", "cnh"); /* Hakha Chin */
    test_tag_from_language ("QIN", "cnk"); /* Khumi Chin */
    test_tag_from_language ("QIN", "cnw"); /* Ngawn Chin */
    test_tag_from_language ("QIN", "csh"); /* Asho Chin */
    test_tag_from_language ("QIN", "csy"); /* Siyin Chin */
    test_tag_from_language ("QIN", "ctd"); /* Tedim Chin */
    test_tag_from_language ("QIN", "czt"); /* Zotung Chin */
    test_tag_from_language ("QIN", "dao"); /* Daai Chin */
    test_tag_from_language ("QIN", "hlt"); /* Matu Chin */
    test_tag_from_language ("QIN", "mrh"); /* Mara Chin */
    test_tag_from_language ("QIN", "pck"); /* Paite Chin */
    test_tag_from_language ("QIN", "sez"); /* Senthang Chin */
    test_tag_from_language ("QIN", "tcp"); /* Tawr Chin */
    test_tag_from_language ("QIN", "tcz"); /* Thado Chin */
    test_tag_from_language ("QIN", "yos"); /* Yos, deprecated by IANA in favor of Zou [zom] */
    test_tag_from_language ("QIN", "zom"); /* Zou */
    test_tag_to_language ("QIN", "bgr");   /* no single BCP47 tag for Chin; picking Bawm Chin */
  
    test_language_two_way ("FAR", "fa");
    test_tag_from_language ("FAR", "fa_IR");
  
    test_language_two_way ("SWA", "aii"); /* Swadaya Aramaic */
  
    test_language_two_way ("SYR", "syr"); /* Syriac [macrolanguage] */
    test_tag_from_language ("SYR", "amw"); /* Western Neo-Aramaic */
    test_tag_from_language ("SYR", "cld"); /* Chaldean Neo-Aramaic */
    test_tag_from_language ("SYR", "syc"); /* Classical Syriac */
  
    test_language_two_way ("TUA", "tru"); /* Turoyo Aramaic */
  
    test_tag_from_language ("ZHS", "zh"); /* Chinese */
    test_tag_from_language ("ZHS", "zh-cn"); /* Chinese (China) */
    test_tag_from_language ("ZHS", "zh-sg"); /* Chinese (Singapore) */
    test_tag_from_language ("ZHH", "zh-mo"); /* Chinese (Macao) */
    test_tag_from_language ("ZHH", "zh-hant-mo"); /* Chinese (Macao) */
    test_language_two_way ("ZHH", "zh-HK"); /* Chinese (Hong Kong) */
    test_tag_from_language ("ZHH", "zH-HanT-hK"); /* Chinese (Hong Kong) */
    test_tag_from_language ("ZHT", "zh-tw"); /* Chinese (Taiwan) */
    test_language_two_way ("ZHS", "zh-Hans"); /* Chinese (Simplified) */
    test_language_two_way ("ZHT", "zh-Hant"); /* Chinese (Traditional) */
    test_tag_from_language ("ZHS", "zh-xx"); /* Chinese (Other) */
  
    test_tag_from_language ("ZHS", "zh-Hans-TW");
  
    test_tag_from_language ("ZHH", "yue");
    test_tag_from_language ("ZHH", "yue-Hant");
    test_tag_from_language ("ZHS", "yue-Hans");
  
    test_language_two_way ("ABC", "abc");
    test_language_two_way ("ABCD", "x-hbotabcd");
    test_tag_from_language ("ABC", "asdf-asdf-wer-x-hbotabc-zxc");
    test_tag_from_language ("ABC", "asdf-asdf-wer-x-hbotabc");
    test_tag_from_language ("ABCD", "asdf-asdf-wer-x-hbotabcd");
  
    test_tag_from_language ("dflt", "asdf-asdf-wer-x-hbot-zxc");
  
    test_tag_from_language ("dflt", "xy");
    test_tag_from_language ("XYZ", "xyz"); /* Unknown ISO 639-3 */
    test_tag_from_language ("XYZ", "xyz-qw"); /* Unknown ISO 639-3 */
  
    /*
     * Invalid input. The precise answer does not matter, as long as it
     * does not crash or get into an infinite loop.
     */
    test_tag_from_language ("IPPH", "-fonipa");
  
    /*
     * Tags that contain "-fonipa" as a substring but which do not contain
     * the subtag "fonipa".
     */
    test_tag_from_language ("ENG", "en-fonipax");
    test_tag_from_language ("ENG", "en-x-fonipa");
    test_tag_from_language ("ENG", "en-a-fonipa");
    test_tag_from_language ("ENG", "en-a-qwe-b-fonipa");
  
    /* International Phonetic Alphabet */
    test_tag_from_language ("IPPH", "en-fonipa");
    test_tag_from_language ("IPPH", "en-fonipax-fonipa");
    test_tag_from_language ("IPPH", "rm-CH-fonipa-sursilv-x-foobar");
    test_language_two_way ("IPPH", "und-fonipa");
    test_tag_from_language ("IPPH", "zh-fonipa");
  
    /* North American Phonetic Alphabet (Americanist Phonetic Notation) */
    test_tag_from_language ("APPH", "en-fonnapa");
    test_tag_from_language ("APPH", "chr-fonnapa");
    test_language_two_way ("APPH", "und-fonnapa");
  
    /* Khutsuri Georgian */
    test_tag_from_language ("KGE", "ka-Geok");
    test_language_two_way ("KGE", "und-Geok");
  
    /* Irish Traditional */
    test_language_two_way ("IRT", "ga-Latg");
  
    /* Moldavian */
    test_language_two_way ("MOL", "ro-MD");
  
    /* Polytonic Greek */
    test_language_two_way ("PGR", "el-polyton");
    test_tag_from_language ("PGR", "el-CY-polyton");
  
    /* Estrangela Syriac */
    test_tag_from_language ("SYRE", "aii-Syre");
    test_tag_from_language ("SYRE", "de-Syre");
    test_tag_from_language ("SYRE", "syr-Syre");
    test_language_two_way ("SYRE", "und-Syre");
  
    /* Western Syriac */
    test_tag_from_language ("SYRJ", "aii-Syrj");
    test_tag_from_language ("SYRJ", "de-Syrj");
    test_tag_from_language ("SYRJ", "syr-Syrj");
    test_language_two_way ("SYRJ", "und-Syrj");
  
    /* Eastern Syriac */
    test_tag_from_language ("SYRN", "aii-Syrn");
    test_tag_from_language ("SYRN", "de-Syrn");
    test_tag_from_language ("SYRN", "syr-Syrn");
    test_language_two_way ("SYRN", "und-Syrn");
  
    /* Test that x-hbot overrides the base language */
    test_tag_from_language ("ABC", "fa-x-hbotabc-zxc");
    test_tag_from_language ("ABC", "fa-ir-x-hbotabc-zxc");
    test_tag_from_language ("ABC", "zh-x-hbotabc-zxc");
    test_tag_from_language ("ABC", "zh-cn-x-hbotabc-zxc");
    test_tag_from_language ("ABC", "zh-xy-x-hbotabc-zxc");
    test_tag_from_language ("ABC", "xyz-xy-x-hbotabc-zxc");
  
    /* Unnormalized BCP 47 tags */
    test_tag_from_language ("ARA", "ar-aao");
    test_tag_from_language ("JBO", "art-lojban");
    test_tag_from_language ("KOK", "kok-gom");
    test_tag_from_language ("LTZ", "i-lux");
    test_tag_from_language ("MNG", "drh");
    test_tag_from_language ("MOR", "ar-ary");
    test_tag_from_language ("MOR", "ar-ary-DZ");
    test_tag_from_language ("NOR", "no-bok");
    test_tag_from_language ("NYN", "no-nyn");
    test_tag_from_language ("ZHS", "i-hak");
    test_tag_from_language ("ZHS", "zh-guoyu");
    test_tag_from_language ("ZHS", "zh-min");
    test_tag_from_language ("ZHS", "zh-min-nan");
    test_tag_from_language ("ZHS", "zh-xiang");
  
    /* A UN M.49 region code, not an extended language subtag */
    test_tag_from_language ("ARA", "ar-001");
  
    /* An invalid tag */
    test_tag_from_language ("TRK", "tr@foo=bar");
  }
  
  static void
  test_tags (hb_script_t  script,
  	   const char  *lang_s,
  	   unsigned int script_count,
  	   unsigned int language_count,
  	   unsigned int expected_script_count,
  	   unsigned int expected_language_count,
  	   ...)
  {
    va_list expected_tags;
    unsigned int i;
    hb_tag_t *script_tags = malloc (script_count * sizeof (hb_tag_t));
    hb_tag_t *language_tags = malloc (language_count * sizeof (hb_tag_t));
    hb_language_t lang;
    g_assert (script_tags);
    g_assert (language_tags);
    lang = hb_language_from_string (lang_s, -1);
    va_start (expected_tags, expected_language_count);
  
    hb_ot_tags_from_script_and_language (script, lang, &script_count, script_tags, &language_count, language_tags);
  
    g_assert_cmpuint (script_count, ==, expected_script_count);
    g_assert_cmpuint (language_count, ==, expected_language_count);
  
    for (i = 0; i < script_count + language_count; i++)
    {
      hb_tag_t expected_tag = hb_tag_from_string (va_arg (expected_tags, const char *), -1);
      hb_tag_t actual_tag = i < script_count ? script_tags[i] : language_tags[i - script_count];
      g_assert_cmphex (actual_tag, ==, expected_tag);
    }
  
    free (script_tags);
    free (language_tags);
    va_end (expected_tags);
  }
  
  static void
  test_ot_tag_full (void)
  {
    test_tags (HB_SCRIPT_INVALID, "en", HB_OT_MAX_TAGS_PER_SCRIPT, HB_OT_MAX_TAGS_PER_LANGUAGE, 0, 1, "ENG");
    test_tags (HB_SCRIPT_INVALID, "en-x-hbscdflt", HB_OT_MAX_TAGS_PER_SCRIPT, HB_OT_MAX_TAGS_PER_LANGUAGE, 1, 1, "DFLT", "ENG");
    test_tags (HB_SCRIPT_LATIN, "en", HB_OT_MAX_TAGS_PER_SCRIPT, HB_OT_MAX_TAGS_PER_LANGUAGE, 1, 1, "latn", "ENG");
    test_tags (HB_SCRIPT_LATIN, "en", 0, 0, 0, 0);
    test_tags (HB_SCRIPT_INVALID, "und-fonnapa", HB_OT_MAX_TAGS_PER_SCRIPT, HB_OT_MAX_TAGS_PER_LANGUAGE, 0, 1, "APPH");
    test_tags (HB_SCRIPT_INVALID, "en-fonnapa", HB_OT_MAX_TAGS_PER_SCRIPT, HB_OT_MAX_TAGS_PER_LANGUAGE, 0, 1, "APPH");
    test_tags (HB_SCRIPT_INVALID, "x-hbot1234-hbsc5678", HB_OT_MAX_TAGS_PER_SCRIPT, HB_OT_MAX_TAGS_PER_LANGUAGE, 1, 1, "5678", "1234");
    test_tags (HB_SCRIPT_INVALID, "x-hbsc5678-hbot1234", HB_OT_MAX_TAGS_PER_SCRIPT, HB_OT_MAX_TAGS_PER_LANGUAGE, 1, 1, "5678", "1234");
    test_tags (HB_SCRIPT_MALAYALAM, "ml", HB_OT_MAX_TAGS_PER_SCRIPT, HB_OT_MAX_TAGS_PER_LANGUAGE, 3, 2, "mlm3", "mlm2", "mlym", "MAL", "MLR");
    test_tags (HB_SCRIPT_MALAYALAM, "ml", 1, 1, 1, 1, "mlm3", "MAL");
    test_tags (HB_SCRIPT_MYANMAR, "und", HB_OT_MAX_TAGS_PER_SCRIPT, 0, 2, 0, "mym2", "mymr");
    test_tags (HB_SCRIPT_INVALID, "xyz", HB_OT_MAX_TAGS_PER_SCRIPT, HB_OT_MAX_TAGS_PER_LANGUAGE, 0, 1, "XYZ");
    test_tags (HB_SCRIPT_INVALID, "xy", HB_OT_MAX_TAGS_PER_SCRIPT, HB_OT_MAX_TAGS_PER_LANGUAGE, 0, 0);
  }
  
  int
  main (int argc, char **argv)
  {
    hb_test_init (&argc, &argv);
  
    hb_test_add (test_ot_tag_script_degenerate);
    hb_test_add (test_ot_tag_script_simple);
    hb_test_add (test_ot_tag_script_from_language);
    hb_test_add (test_ot_tag_script_indic);
  
    hb_test_add (test_ot_tags_to_script_and_language);
  
    hb_test_add (test_ot_tag_language);
  
    hb_test_add (test_ot_tag_full);
  
    return hb_test_run();
  }
  

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