chrome/browser/android/preferences/pref_service_bridge_unittest.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/android/preferences/pref_service_bridge.h"
   6
   7 #include <string>
   8
   9 #include "testing/gtest/include/gtest/gtest.h"
  10
  11
  12 // A test class for PrefServiceBridge class.
  13 class PrefServiceBridgeTest : public testing::Test {
  14  public:
  15   std::string GetAcceptLanguages(std::string locale,
  16                                  std::string accept_languages) {
  17     PrependToAcceptLanguagesIfNecessary(locale, &accept_languages);
  18     return accept_languages;
  19   }
  20 };
  21
  22 TEST_F(PrefServiceBridgeTest, PrependToAcceptLanguagesAsNecessary) {
  23   EXPECT_EQ("ms-MY,ms,en-US,en", GetAcceptLanguages("ms_MY", "en-US,en"));
  24
  25   EXPECT_EQ("de-CH,de-DE,de,en-US,en",
  26       GetAcceptLanguages("de_CH", "de-DE,de,en-US,en"));
  27
  28   // Make sure we do not prepend language code even when a language code is at
  29   // the end.
  30   EXPECT_EQ("zh-TW,zh-CN,zh", GetAcceptLanguages("zh_TW", "zh-CN,zh"));
  31 }
  32
  33 TEST_F(PrefServiceBridgeTest,
  34        ShouldNotPrependToAcceptLanguagesWhenNotNecessary) {
  35   // Java has some deprecated two letter language code. For instance, "iw" is
  36   // an old code that needs to be replaced by "he" which is the new code for
  37   // Hebrew.
  38   EXPECT_EQ("he-IL,he,en-US,en",
  39       GetAcceptLanguages("iw_IL", "he-IL,he,en-US,en"));
  40
  41   // This logic should not affect cases where original accept language already
  42   // reflects the language code in the locale.
  43   EXPECT_EQ("en-US,en", GetAcceptLanguages("en_US", "en-US,en"));
  44   EXPECT_EQ("zh-CN,zh", GetAcceptLanguages("zh_CN", "zh-CN,zh"));
  45
  46   // "ms" is not expected. No replacement takes place.
  47   EXPECT_EQ("en-US,en", GetAcceptLanguages("ms", "en-US,en"));
  48 }