| // Copyright 2014 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 "chrome/browser/android/preferences/pref_service_bridge.h" |
| |
| #include <string> |
| |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| |
| // A test class for PrefServiceBridge class. |
| class PrefServiceBridgeTest : public testing::Test { |
| public: |
| std::string GetAcceptLanguages(std::string locale, |
| std::string accept_languages) { |
| PrefServiceBridge::PrependToAcceptLanguagesIfNecessary(locale, |
| &accept_languages); |
| return accept_languages; |
| } |
| }; |
| |
| TEST_F(PrefServiceBridgeTest, PrependToAcceptLanguagesAsNecessary) { |
| EXPECT_EQ("ms-MY,ms,en-US,en", GetAcceptLanguages("ms-MY", "en-US,en")); |
| EXPECT_EQ("de-CH,de,zh-TW,zh,en-US,en", |
| GetAcceptLanguages("de-CH,zh-TW", "en-US,en")); |
| EXPECT_EQ("de-CH,de,zh-TW,zh,fr-FR,fr,en-US,en", |
| GetAcceptLanguages("de-CH,zh-TW,fr-FR", "en-US,en")); |
| |
| // Make sure a country code in number format is inserted. |
| EXPECT_EQ("es-419,es-005,es,en-US,en", |
| GetAcceptLanguages("es-419,es-005", "en-US,en")); |
| |
| // Make sure we do not prepend language code even when a language code already |
| // exists. |
| EXPECT_EQ("zh-TW,zh-CN,zh", GetAcceptLanguages("zh-TW", "zh-CN,zh")); |
| EXPECT_EQ("de-CH,de-DE,de,en-US,en", |
| GetAcceptLanguages("de-CH", "de-DE,de,en-US,en")); |
| EXPECT_EQ("en-GB,de-DE,de,en-US,en", |
| GetAcceptLanguages("en-GB,de-DE", "en-US,en")); |
| |
| // Make sure a language code is only inserted after the last languageTag that |
| // contains that language. |
| EXPECT_EQ("fr-CA,fr-FR,fr,en-US,en", |
| GetAcceptLanguages("fr-CA,fr-FR", "en-US,en")); |
| |
| // If a country code is missing, then only the language code is inserted. |
| EXPECT_EQ("ms,en-US,en", GetAcceptLanguages("ms", "en-US,en")); |
| EXPECT_EQ("mas,en-US,en", GetAcceptLanguages("mas", "en-US,en")); |
| } |
| |
| TEST_F(PrefServiceBridgeTest, |
| ShouldNotPrependToAcceptLanguagesWhenNotNecessary) { |
| // This logic should not affect cases where original accept language already |
| // reflects the language code in the locale. |
| EXPECT_EQ("mas,en-US,en", GetAcceptLanguages("mas", "en-US,en")); |
| EXPECT_EQ("en-US,en", GetAcceptLanguages("en-US", "en-US,en")); |
| EXPECT_EQ("zh-CN,zh", GetAcceptLanguages("zh-CN", "zh-CN,zh")); |
| EXPECT_EQ("ms-MY,ms,en-US,en", GetAcceptLanguages("ms-MY,en-US", "en-US,en")); |
| } |