| // 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 "third_party/blink/renderer/platform/text/layout_locale.h" |
| |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace blink { |
| |
| TEST(LayoutLocaleTest, Get) { |
| LayoutLocale::ClearForTesting(); |
| |
| EXPECT_EQ(nullptr, LayoutLocale::Get(g_null_atom)); |
| |
| EXPECT_EQ(g_empty_atom, LayoutLocale::Get(g_empty_atom)->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* en_us = LayoutLocale::Get("en-us"); |
| EXPECT_EQ(en_us, 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 has_script_for_han; |
| UScriptCode script_for_han; |
| } 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) { |
| scoped_refptr<LayoutLocale> locale = |
| LayoutLocale::CreateForTesting(test.locale); |
| EXPECT_EQ(test.script, locale->GetScript()) << test.locale; |
| EXPECT_EQ(test.has_script_for_han, locale->HasScriptForHan()) |
| << test.locale; |
| if (!test.has_script_for_han) { |
| EXPECT_EQ(USCRIPT_SIMPLIFIED_HAN, locale->GetScriptForHan()) |
| << test.locale; |
| } else if (test.script_for_han) { |
| EXPECT_EQ(test.script_for_han, locale->GetScriptForHan()) << test.locale; |
| } else { |
| EXPECT_EQ(test.script, locale->GetScriptForHan()) << test.locale; |
| } |
| } |
| } |
| |
| TEST(LayoutLocaleTest, BreakKeyword) { |
| struct { |
| const char* expected; |
| const char* locale; |
| LineBreakIteratorMode mode; |
| } tests[] = { |
| {nullptr, nullptr, LineBreakIteratorMode::kDefault}, |
| {"", "", LineBreakIteratorMode::kDefault}, |
| {nullptr, nullptr, LineBreakIteratorMode::kStrict}, |
| {"", "", LineBreakIteratorMode::kStrict}, |
| {"ja", "ja", LineBreakIteratorMode::kDefault}, |
| {"ja@lb=normal", "ja", LineBreakIteratorMode::kNormal}, |
| {"ja@lb=strict", "ja", LineBreakIteratorMode::kStrict}, |
| {"ja@lb=loose", "ja", LineBreakIteratorMode::kLoose}, |
| }; |
| for (const auto& test : tests) { |
| scoped_refptr<LayoutLocale> locale = |
| LayoutLocale::CreateForTesting(test.locale); |
| EXPECT_EQ(test.expected, locale->LocaleWithBreakKeyword(test.mode)) |
| << String::Format("'%s' with line-break %d should be '%s'", test.locale, |
| static_cast<int>(test.mode), test.expected); |
| } |
| } |
| |
| TEST(LayoutLocaleTest, ExistingKeywordName) { |
| const char* tests[] = { |
| "en@x=", "en@lb=xyz", "en@ =", |
| }; |
| for (auto* const test : tests) { |
| scoped_refptr<LayoutLocale> locale = LayoutLocale::CreateForTesting(test); |
| EXPECT_EQ(test, |
| locale->LocaleWithBreakKeyword(LineBreakIteratorMode::kNormal)); |
| } |
| } |
| |
| TEST(LayoutLocaleTest, AcceptLanguagesChanged) { |
| struct { |
| const char* accept_languages; |
| UScriptCode script; |
| const char* locale; |
| } tests[] = { |
| // Non-Han script cases. |
| {nullptr, USCRIPT_COMMON, nullptr}, |
| {"", USCRIPT_COMMON, nullptr}, |
| {"en-US", USCRIPT_COMMON, nullptr}, |
| {",en-US", USCRIPT_COMMON, nullptr}, |
| |
| // Single value cases. |
| {"ja-JP", USCRIPT_KATAKANA_OR_HIRAGANA, "ja-jp"}, |
| {"ko-KR", USCRIPT_HANGUL, "ko-kr"}, |
| {"zh-CN", USCRIPT_SIMPLIFIED_HAN, "zh-Hans"}, |
| {"zh-HK", USCRIPT_TRADITIONAL_HAN, "zh-Hant"}, |
| {"zh-TW", USCRIPT_TRADITIONAL_HAN, "zh-Hant"}, |
| |
| // Language only. |
| {"ja", USCRIPT_KATAKANA_OR_HIRAGANA, "ja-jp"}, |
| {"ko", USCRIPT_HANGUL, "ko-kr"}, |
| {"zh", USCRIPT_SIMPLIFIED_HAN, "zh-Hans"}, |
| |
| // Unusual combinations. |
| {"en-JP", USCRIPT_KATAKANA_OR_HIRAGANA, "ja-jp"}, |
| |
| // Han scripts not in the first item. |
| {"en-US,ja-JP", USCRIPT_KATAKANA_OR_HIRAGANA, "ja-jp"}, |
| {"en-US,en-JP", USCRIPT_KATAKANA_OR_HIRAGANA, "ja-jp"}, |
| |
| // Multiple Han scripts. The first one wins. |
| {"ja-JP,zh-CN", USCRIPT_KATAKANA_OR_HIRAGANA, "ja-jp"}, |
| {"zh-TW,ja-JP", USCRIPT_TRADITIONAL_HAN, "zh-Hant"}, |
| }; |
| |
| for (const auto& test : tests) { |
| LayoutLocale::AcceptLanguagesChanged(test.accept_languages); |
| const LayoutLocale* locale = LayoutLocale::LocaleForHan(nullptr); |
| |
| if (test.script == USCRIPT_COMMON) { |
| EXPECT_EQ(nullptr, locale) << test.accept_languages; |
| continue; |
| } |
| |
| ASSERT_NE(nullptr, locale) << test.accept_languages; |
| EXPECT_EQ(test.script, locale->GetScriptForHan()) << test.accept_languages; |
| EXPECT_STRCASEEQ(test.locale, locale->LocaleForHanForSkFontMgr()) |
| << test.accept_languages; |
| } |
| } |
| |
| } // namespace blink |