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// 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-DE,de,en-US,en",
GetAcceptLanguages("de_CH", "de-DE,de,en-US,en"));
// Make sure we do not prepend language code even when a language code is at
// the end.
EXPECT_EQ("zh-TW,zh-CN,zh", GetAcceptLanguages("zh_TW", "zh-CN,zh"));
}
TEST_F(PrefServiceBridgeTest,
ShouldNotPrependToAcceptLanguagesWhenNotNecessary) {
// Java has some deprecated two letter language code. For instance, "iw" is
// an old code that needs to be replaced by "he" which is the new code for
// Hebrew.
EXPECT_EQ("he-IL,he,en-US,en",
GetAcceptLanguages("iw_IL", "he-IL,he,en-US,en"));
// This logic should not affect cases where original accept language already
// reflects the language code in the locale.
EXPECT_EQ("en-US,en", GetAcceptLanguages("en_US", "en-US,en"));
EXPECT_EQ("zh-CN,zh", GetAcceptLanguages("zh_CN", "zh-CN,zh"));
// "ms" is not expected. No replacement takes place.
EXPECT_EQ("en-US,en", GetAcceptLanguages("ms", "en-US,en"));
}
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