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// Copyright (c) 2012 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 "base/command_line.h"
#include "base/environment.h"
#include "build/build_config.h"
#include "chrome/test/base/in_process_browser_test.h"
#include "ui/base/ui_base_switches.h"
namespace {
// A class that over-writes the system locale only in a scope. To emulate the
// specified environment on Linux, this class over-writes a LC_ALL environment
// variable when creating a LocaleTest object and restore it with the original
// value when deleting the object. (This environment variable may affect other
// tests and we have to restore it regardless of the results of LocaleTests.)
class ScopedLocale {
public:
explicit ScopedLocale(const char* locale) : locale_(locale) {
#if defined(OS_LINUX)
old_locale_ = getenv("LC_ALL");
static const struct {
const char* chrome_locale;
const char* system_locale;
} kLocales[] = {
{ "da", "da_DK.UTF-8" },
{ "he", "he_IL.UTF-8" },
{ "zh-TW", "zh-TW.UTF-8" }
};
bool found_locale = false;
for (size_t i = 0; i < ARRAYSIZE_UNSAFE(kLocales); ++i) {
if (kLocales[i].chrome_locale == locale) {
found_locale = true;
setenv("LC_ALL", kLocales[i].system_locale, 1);
}
}
DCHECK(found_locale);
#endif
}
~ScopedLocale() {
#if defined(OS_LINUX)
scoped_ptr<base::Environment> env(base::Environment::Create());
if (old_locale_) {
env->SetVar("LC_ALL", old_locale_);
} else {
env->UnSetVar("LC_ALL");
}
#endif
}
const std::string& locale() { return locale_; }
private:
std::string locale_;
#if defined(OS_LINUX)
const char* old_locale_;
#endif
};
// A base class for tests used in this file. This class over-writes the system
// locale and run Chrome with a '--lang' option. To add a new LocaleTest, add a
// class derived from this class and call the constructor with the locale name
// used by Chrome.
class LocaleTestBase : public InProcessBrowserTest {
public:
explicit LocaleTestBase(const char* locale) : locale_(locale) {
}
virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
command_line->AppendSwitchASCII(switches::kLang, locale_.locale());
}
protected:
ScopedLocale locale_;
};
// Test classes that run Chrome on the Danish locale, the Hebrew locale, and
// the Traditional-Chinese locale, respectively.
class LocaleTestDanish : public LocaleTestBase {
public:
LocaleTestDanish() : LocaleTestBase("da") {
}
};
class LocaleTestHebrew : public LocaleTestBase {
public:
LocaleTestHebrew() : LocaleTestBase("he") {
}
};
class LocaleTestTraditionalChinese : public LocaleTestBase {
public:
LocaleTestTraditionalChinese() : LocaleTestBase("zh-TW") {
}
};
} // namespace
// Start Chrome and shut it down on the Danish locale, the Hebrew locale, and
// the Traditional-Chinese locale, respectively. These tests do not need any
// code here because they just verify we can start Chrome and shut it down
// cleanly on these locales.
IN_PROC_BROWSER_TEST_F(LocaleTestDanish, TestStart) {
}
IN_PROC_BROWSER_TEST_F(LocaleTestHebrew, TestStart) {
}
IN_PROC_BROWSER_TEST_F(LocaleTestTraditionalChinese, TestStart) {
}
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