1// Copyright (c) 2012 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 "base/command_line.h" 6#include "base/environment.h" 7#include "build/build_config.h" 8#include "chrome/test/base/in_process_browser_test.h" 9#include "ui/base/ui_base_switches.h" 10 11namespace { 12 13// A class that over-writes the system locale only in a scope. To emulate the 14// specified environment on Linux, this class over-writes a LC_ALL environment 15// variable when creating a LocaleTest object and restore it with the original 16// value when deleting the object. (This environment variable may affect other 17// tests and we have to restore it regardless of the results of LocaleTests.) 18class ScopedLocale { 19 public: 20 explicit ScopedLocale(const char* locale) : locale_(locale) { 21#if defined(OS_LINUX) 22 old_locale_ = getenv("LC_ALL"); 23 24 static const struct { 25 const char* chrome_locale; 26 const char* system_locale; 27 } kLocales[] = { 28 { "da", "da_DK.UTF-8" }, 29 { "he", "he_IL.UTF-8" }, 30 { "zh-TW", "zh_TW.UTF-8" } 31 }; 32 bool found_locale = false; 33 for (size_t i = 0; i < ARRAYSIZE_UNSAFE(kLocales); ++i) { 34 if (kLocales[i].chrome_locale == locale) { 35 found_locale = true; 36 setenv("LC_ALL", kLocales[i].system_locale, 1); 37 } 38 } 39 DCHECK(found_locale); 40#endif 41 } 42 43 ~ScopedLocale() { 44#if defined(OS_LINUX) 45 scoped_ptr<base::Environment> env(base::Environment::Create()); 46 if (old_locale_) { 47 env->SetVar("LC_ALL", old_locale_); 48 } else { 49 env->UnSetVar("LC_ALL"); 50 } 51#endif 52 } 53 54 const std::string& locale() { return locale_; } 55 56 private: 57 std::string locale_; 58#if defined(OS_LINUX) 59 const char* old_locale_; 60#endif 61}; 62 63// A base class for tests used in this file. This class over-writes the system 64// locale and run Chrome with a '--lang' option. To add a new LocaleTest, add a 65// class derived from this class and call the constructor with the locale name 66// used by Chrome. 67class LocaleTestBase : public InProcessBrowserTest { 68 public: 69 explicit LocaleTestBase(const char* locale) : locale_(locale) { 70 } 71 72 virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE { 73 command_line->AppendSwitchASCII(switches::kLang, locale_.locale()); 74 } 75 76 protected: 77 ScopedLocale locale_; 78}; 79 80// Test classes that run Chrome on the Danish locale, the Hebrew locale, and 81// the Traditional-Chinese locale, respectively. 82class LocaleTestDanish : public LocaleTestBase { 83 public: 84 LocaleTestDanish() : LocaleTestBase("da") { 85 } 86}; 87 88class LocaleTestHebrew : public LocaleTestBase { 89 public: 90 LocaleTestHebrew() : LocaleTestBase("he") { 91 } 92}; 93 94class LocaleTestTraditionalChinese : public LocaleTestBase { 95 public: 96 LocaleTestTraditionalChinese() : LocaleTestBase("zh-TW") { 97 } 98}; 99 100} // namespace 101 102// Start Chrome and shut it down on the Danish locale, the Hebrew locale, and 103// the Traditional-Chinese locale, respectively. These tests do not need any 104// code here because they just verify we can start Chrome and shut it down 105// cleanly on these locales. 106IN_PROC_BROWSER_TEST_F(LocaleTestDanish, TestStart) { 107} 108 109IN_PROC_BROWSER_TEST_F(LocaleTestHebrew, TestStart) { 110} 111 112IN_PROC_BROWSER_TEST_F(LocaleTestTraditionalChinese, TestStart) { 113} 114