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// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "platform/LayoutLocale.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace blink {
TEST(LayoutLocaleTest, Get) {
LayoutLocale::clearForTesting();
EXPECT_EQ(nullptr, LayoutLocale::get(nullAtom));
EXPECT_EQ(emptyAtom, LayoutLocale::get(emptyAtom)->localeString());
EXPECT_STRCASEEQ("en-us",
LayoutLocale::get("en-us")->localeString().ascii().data());
EXPECT_STRCASEEQ("ja-jp",
LayoutLocale::get("ja-jp")->localeString().ascii().data());
LayoutLocale::clearForTesting();
}
TEST(LayoutLocaleTest, GetCaseInsensitive) {
const LayoutLocale* enUS = LayoutLocale::get("en-us");
EXPECT_EQ(enUS, LayoutLocale::get("en-US"));
}
TEST(LayoutLocaleTest, ScriptTest) {
// Test combinations of BCP 47 locales.
// https://tools.ietf.org/html/bcp47
struct {
const char* locale;
UScriptCode script;
bool hasScriptForHan;
UScriptCode scriptForHan;
} tests[] = {
{"en-US", USCRIPT_LATIN},
// Common lang-script.
{"en-Latn", USCRIPT_LATIN},
{"ar-Arab", USCRIPT_ARABIC},
// Common lang-region in East Asia.
{"ja-JP", USCRIPT_KATAKANA_OR_HIRAGANA, true},
{"ko-KR", USCRIPT_HANGUL, true},
{"zh", USCRIPT_SIMPLIFIED_HAN, true},
{"zh-CN", USCRIPT_SIMPLIFIED_HAN, true},
{"zh-HK", USCRIPT_TRADITIONAL_HAN, true},
{"zh-MO", USCRIPT_TRADITIONAL_HAN, true},
{"zh-SG", USCRIPT_SIMPLIFIED_HAN, true},
{"zh-TW", USCRIPT_TRADITIONAL_HAN, true},
// Encompassed languages within the Chinese macrolanguage.
// Both "lang" and "lang-extlang" should work.
{"nan", USCRIPT_TRADITIONAL_HAN, true},
{"wuu", USCRIPT_SIMPLIFIED_HAN, true},
{"yue", USCRIPT_TRADITIONAL_HAN, true},
{"zh-nan", USCRIPT_TRADITIONAL_HAN, true},
{"zh-wuu", USCRIPT_SIMPLIFIED_HAN, true},
{"zh-yue", USCRIPT_TRADITIONAL_HAN, true},
// Script has priority over other subtags.
{"zh-Hant", USCRIPT_TRADITIONAL_HAN, true},
{"en-Hans", USCRIPT_SIMPLIFIED_HAN, true},
{"en-Hant", USCRIPT_TRADITIONAL_HAN, true},
{"en-Hans-TW", USCRIPT_SIMPLIFIED_HAN, true},
{"en-Hant-CN", USCRIPT_TRADITIONAL_HAN, true},
{"wuu-Hant", USCRIPT_TRADITIONAL_HAN, true},
{"yue-Hans", USCRIPT_SIMPLIFIED_HAN, true},
{"zh-wuu-Hant", USCRIPT_TRADITIONAL_HAN, true},
{"zh-yue-Hans", USCRIPT_SIMPLIFIED_HAN, true},
// Lang has priority over region.
// icu::Locale::getDefault() returns other combinations if, for instnace,
// English Windows with the display language set to Japanese.
{"ja", USCRIPT_KATAKANA_OR_HIRAGANA, true},
{"ja-US", USCRIPT_KATAKANA_OR_HIRAGANA, true},
{"ko", USCRIPT_HANGUL, true},
{"ko-US", USCRIPT_HANGUL, true},
{"wuu-TW", USCRIPT_SIMPLIFIED_HAN, true},
{"yue-CN", USCRIPT_TRADITIONAL_HAN, true},
{"zh-wuu-TW", USCRIPT_SIMPLIFIED_HAN, true},
{"zh-yue-CN", USCRIPT_TRADITIONAL_HAN, true},
// Region should not affect script, but it can influence scriptForHan.
{"en-CN", USCRIPT_LATIN, false},
{"en-HK", USCRIPT_LATIN, true, USCRIPT_TRADITIONAL_HAN},
{"en-MO", USCRIPT_LATIN, true, USCRIPT_TRADITIONAL_HAN},
{"en-SG", USCRIPT_LATIN, false},
{"en-TW", USCRIPT_LATIN, true, USCRIPT_TRADITIONAL_HAN},
{"en-JP", USCRIPT_LATIN, true, USCRIPT_KATAKANA_OR_HIRAGANA},
{"en-KR", USCRIPT_LATIN, true, USCRIPT_HANGUL},
// Multiple regions are invalid, but it can still give hints for the font
// selection.
{"en-US-JP", USCRIPT_LATIN, true, USCRIPT_KATAKANA_OR_HIRAGANA},
};
for (const auto& test : tests) {
RefPtr<LayoutLocale> locale = LayoutLocale::createForTesting(test.locale);
EXPECT_EQ(test.script, locale->script()) << test.locale;
EXPECT_EQ(test.hasScriptForHan, locale->hasScriptForHan()) << test.locale;
if (!test.hasScriptForHan)
EXPECT_EQ(USCRIPT_SIMPLIFIED_HAN, locale->scriptForHan()) << test.locale;
else if (test.scriptForHan)
EXPECT_EQ(test.scriptForHan, locale->scriptForHan()) << test.locale;
else
EXPECT_EQ(test.script, locale->scriptForHan()) << test.locale;
}
}
} // namespace blink
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