| // Copyright 2018 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include <string> |
| #include <tuple> |
| #include <vector> |
| |
| #include "base/test/gtest_util.h" |
| #include "base/win/embedded_i18n/language_selector.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace base { |
| namespace win { |
| namespace i18n { |
| namespace { |
| |
| constexpr const wchar_t* kExactMatchCandidates[] = { |
| L"am", L"ar", L"bg", L"bn", L"ca", L"cs", L"da", L"de", |
| L"el", L"en-gb", L"en-us", L"es", L"es-419", L"et", L"fa", L"fi", |
| L"fil", L"fr", L"gu", L"hi", L"hr", L"hu", L"id", L"it", |
| L"iw", L"ja", L"kn", L"ko", L"lt", L"lv", L"ml", L"mr", |
| L"nl", L"no", L"pl", L"pt-br", L"pt-pt", L"ro", L"ru", L"sk", |
| L"sl", L"sr", L"sv", L"sw", L"ta", L"te", L"th", L"tr", |
| L"uk", L"vi", L"zh-cn", L"zh-tw"}; |
| |
| constexpr const wchar_t* kAliasMatchCandidates[] = { |
| L"he", L"nb", L"tl", L"zh-chs", L"zh-cht", |
| L"zh-hans", L"zh-hant", L"zh-hk", L"zh-mo"}; |
| |
| constexpr const wchar_t* kWildcardMatchCandidates[] = {L"en-AU", L"es-CO", |
| L"pt-AB", L"zh-SG"}; |
| |
| std::vector<LanguageSelector::LangToOffset> MakeLanguageOffsetPairs() { |
| std::vector<LanguageSelector::LangToOffset> language_offset_pairs; |
| int i = 0; |
| for (const wchar_t* lang : kExactMatchCandidates) { |
| language_offset_pairs.emplace_back(lang, i++); |
| } |
| |
| return language_offset_pairs; |
| } |
| |
| class TestLanguageSelector : public LanguageSelector { |
| public: |
| TestLanguageSelector() : TestLanguageSelector(std::vector<std::wstring>()) {} |
| explicit TestLanguageSelector(const std::vector<std::wstring>& candidates) |
| : TestLanguageSelector(candidates, MakeLanguageOffsetPairs()) {} |
| TestLanguageSelector( |
| const std::vector<std::wstring>& candidates, |
| span<const LanguageSelector::LangToOffset> languages_to_offset) |
| : LanguageSelector(candidates, languages_to_offset) {} |
| }; |
| |
| } // namespace |
| |
| // Test that a language is selected from the system. |
| TEST(LanguageSelectorTest, DefaultSelection) { |
| TestLanguageSelector instance; |
| EXPECT_FALSE(instance.matched_candidate().empty()); |
| } |
| |
| // Test some hypothetical candidate sets. |
| TEST(LanguageSelectorTest, AssortedSelections) { |
| { |
| std::vector<std::wstring> candidates = {L"fr-BE", L"fr", L"en"}; |
| TestLanguageSelector instance(candidates); |
| // Expect the exact match to win. |
| EXPECT_EQ(L"fr", instance.matched_candidate()); |
| } |
| { |
| std::vector<std::wstring> candidates = {L"xx-YY", L"cc-Ssss-RR"}; |
| TestLanguageSelector instance(candidates); |
| // Expect the fallback to win. |
| EXPECT_EQ(L"en-us", instance.matched_candidate()); |
| } |
| { |
| std::vector<std::wstring> candidates = {L"zh-SG", L"en-GB"}; |
| TestLanguageSelector instance(candidates); |
| // Expect the alias match to win. |
| EXPECT_EQ(L"zh-SG", instance.matched_candidate()); |
| } |
| } |
| |
| // A fixture for testing sets of single-candidate selections. |
| class LanguageSelectorMatchCandidateTest |
| : public ::testing::TestWithParam<const wchar_t*> {}; |
| |
| TEST_P(LanguageSelectorMatchCandidateTest, TestMatchCandidate) { |
| TestLanguageSelector instance({GetParam()}); |
| EXPECT_EQ(GetParam(), instance.matched_candidate()); |
| } |
| |
| // Test that all existing translations can be found by exact match. |
| INSTANTIATE_TEST_SUITE_P(TestExactMatches, |
| LanguageSelectorMatchCandidateTest, |
| ::testing::ValuesIn(kExactMatchCandidates)); |
| |
| // Test the alias matches. |
| INSTANTIATE_TEST_SUITE_P(TestAliasMatches, |
| LanguageSelectorMatchCandidateTest, |
| ::testing::ValuesIn(kAliasMatchCandidates)); |
| |
| // Test a few wildcard matches. |
| INSTANTIATE_TEST_SUITE_P(TestWildcardMatches, |
| LanguageSelectorMatchCandidateTest, |
| ::testing::ValuesIn(kWildcardMatchCandidates)); |
| |
| // A fixture for testing aliases that match to an expected translation. The |
| // first member of the tuple is the expected translation, the second is a |
| // candidate that should be aliased to the expectation. |
| class LanguageSelectorAliasTest |
| : public ::testing::TestWithParam< |
| std::tuple<const wchar_t*, const wchar_t*>> {}; |
| |
| // Test that the candidate language maps to the aliased translation. |
| TEST_P(LanguageSelectorAliasTest, AliasesMatch) { |
| TestLanguageSelector instance({std::get<1>(GetParam())}); |
| EXPECT_EQ(std::get<0>(GetParam()), instance.selected_translation()); |
| } |
| |
| INSTANTIATE_TEST_SUITE_P(EnGbAliases, |
| LanguageSelectorAliasTest, |
| ::testing::Combine(::testing::Values(L"en-gb"), |
| ::testing::Values(L"en-au", |
| L"en-ca", |
| L"en-nz", |
| L"en-za"))); |
| |
| INSTANTIATE_TEST_SUITE_P(IwAliases, |
| LanguageSelectorAliasTest, |
| ::testing::Combine(::testing::Values(L"iw"), |
| ::testing::Values(L"he"))); |
| |
| INSTANTIATE_TEST_SUITE_P(NoAliases, |
| LanguageSelectorAliasTest, |
| ::testing::Combine(::testing::Values(L"no"), |
| ::testing::Values(L"nb"))); |
| |
| INSTANTIATE_TEST_SUITE_P(FilAliases, |
| LanguageSelectorAliasTest, |
| ::testing::Combine(::testing::Values(L"fil"), |
| ::testing::Values(L"tl"))); |
| |
| INSTANTIATE_TEST_SUITE_P( |
| ZhCnAliases, |
| LanguageSelectorAliasTest, |
| ::testing::Combine(::testing::Values(L"zh-cn"), |
| ::testing::Values(L"zh-chs", L"zh-hans", L"zh-sg"))); |
| |
| INSTANTIATE_TEST_SUITE_P(ZhTwAliases, |
| LanguageSelectorAliasTest, |
| ::testing::Combine(::testing::Values(L"zh-tw"), |
| ::testing::Values(L"zh-cht", |
| L"zh-hant", |
| L"zh-hk", |
| L"zh-mo"))); |
| |
| // Test that we can get a match of the default language. |
| TEST(LanguageSelectorTest, DefaultLanguageName) { |
| TestLanguageSelector instance; |
| EXPECT_FALSE(instance.selected_translation().empty()); |
| } |
| |
| // All languages given to the selector must be lower cased (since generally |
| // the language names are generated by a python script). |
| TEST(LanguageSelectorTest, InvalidLanguageCasing) { |
| constexpr LanguageSelector::LangToOffset kLangToOffset[] = {{L"en-US", 0}}; |
| EXPECT_DCHECK_DEATH(LanguageSelector instance( |
| std::vector<std::wstring>({L"en-us"}), kLangToOffset)); |
| } |
| |
| // Language name and offset pairs must be ordered when generated by the |
| // python script. |
| TEST(LanguageSelectorTest, InvalidLanguageNameOrder) { |
| constexpr LanguageSelector::LangToOffset kLangToOffset[] = {{L"en-us", 0}, |
| {L"en-gb", 1}}; |
| EXPECT_DCHECK_DEATH(LanguageSelector instance( |
| std::vector<std::wstring>({L"en-us"}), kLangToOffset)); |
| } |
| |
| // There needs to be a fallback language available in the generated |
| // languages if ever the selector is given a language that does not exist. |
| TEST(LanguageSelectorTest, NoFallbackLanguageAvailable) { |
| constexpr LanguageSelector::LangToOffset kLangToOffset[] = {{L"en-gb", 0}}; |
| EXPECT_DCHECK_DEATH(LanguageSelector instance( |
| std::vector<std::wstring>({L"aa-bb"}), kLangToOffset)); |
| } |
| |
| // No languages available. |
| TEST(LanguageSelectorTest, NoLanguagesAvailable) { |
| EXPECT_DCHECK_DEATH( |
| LanguageSelector instance(std::vector<std::wstring>({L"en-us"}), {})); |
| } |
| |
| } // namespace i18n |
| } // namespace win |
| } // namespace base |
