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

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/*
* 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://www.microsoft.com/typography/otspec/scripttags.htm */
static void
test_simple_tags (const char *s, hb_script_t script)
{
hb_script_t tag;
hb_script_t t1, t2;
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 (script, &t1, &t2);
g_assert_cmphex (t1, ==, tag);
g_assert_cmphex (t2, ==, HB_OT_TAG_DEFAULT_SCRIPT);
g_assert_cmphex (hb_ot_tag_to_script (tag), ==, script);
}
static void
test_indic_tags (const char *s1, const char *s2, hb_script_t script)
{
hb_script_t tag1, tag2;
hb_script_t t1, t2;
g_test_message ("Testing script %c%c%c%c: new tag %s, old tag %s", HB_UNTAG (hb_script_to_iso15924_tag (script)), s1, s2);
tag1 = hb_tag_from_string (s1, -1);
tag2 = hb_tag_from_string (s2, -1);
hb_ot_tags_from_script (script, &t1, &t2);
g_assert_cmphex (t1, ==, tag1);
g_assert_cmphex (t2, ==, tag2);
g_assert_cmphex (hb_ot_tag_to_script (tag1), ==, script);
g_assert_cmphex (hb_ot_tag_to_script (tag2), ==, script);
}
static void
test_ot_tag_script_degenerate (void)
{
hb_script_t t1, t2;
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 (HB_SCRIPT_HIRAGANA, &t1, &t2);
g_assert_cmphex (t1, ==, HB_TAG_CHAR4 ("kana"));
g_assert_cmphex (t2, ==, HB_OT_TAG_DEFAULT_SCRIPT);
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://www.microsoft.com/typography/otspec160/scripttagsProposed.htm */
/* 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_indic (void)
{
test_indic_tags ("bng2", "beng", HB_SCRIPT_BENGALI);
test_indic_tags ("dev2", "deva", HB_SCRIPT_DEVANAGARI);
test_indic_tags ("gjr2", "gujr", HB_SCRIPT_GUJARATI);
test_indic_tags ("gur2", "guru", HB_SCRIPT_GURMUKHI);
test_indic_tags ("knd2", "knda", HB_SCRIPT_KANNADA);
test_indic_tags ("mlm2", "mlym", HB_SCRIPT_MALAYALAM);
test_indic_tags ("ory2", "orya", HB_SCRIPT_ORIYA);
test_indic_tags ("tml2", "taml", HB_SCRIPT_TAMIL);
test_indic_tags ("tel2", "telu", HB_SCRIPT_TELUGU);
test_indic_tags ("mym2", "mymr", HB_SCRIPT_MYANMAR);
}
/* https://www.microsoft.com/typography/otspec/languagetags.htm */
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);
g_test_message ("Testing language %s <-> tag %s", lang_s, tag_s);
g_assert_cmphex (tag, ==, hb_ot_tag_from_language (lang));
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);
g_test_message ("Testing language %s -> tag %s", lang_s, tag_s);
g_assert_cmphex (tag, ==, hb_ot_tag_from_language (lang));
}
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_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 ("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 ("EVN", "eve");
test_language_two_way ("FAR", "fa");
test_tag_from_language ("FAR", "fa_IR");
test_language_two_way ("ZHH", "zh-hk"); /* Chinese (Hong Kong) */
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 ("ZHT", "zh-mo"); /* Chinese (Macao) */
test_tag_from_language ("ZHT", "zh-tw"); /* Chinese (Taiwan) */
test_tag_from_language ("ZHS", "zh-Hans"); /* Chinese (Simplified) */
test_tag_from_language ("ZHT", "zh-Hant"); /* Chinese (Traditional) */
test_tag_from_language ("ZHS", "zh-xx"); /* Chinese (Other) */
test_tag_from_language ("ZHS", "zh"); /* Chinese */
test_tag_from_language ("ZHS", "zh-xx");
test_tag_to_language ("ZHS", "zh-Hans");
test_tag_to_language ("ZHT", "zh-Hant");
test_tag_to_language ("ZHP", "x-hbotzhp");
test_language_two_way ("ABC", "x-hbotabc");
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 */
/* 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");
}
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_indic);
hb_test_add (test_ot_tag_language);
return hb_test_run();
}
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