blob: 972dd261b043f3259992a992226e6ec3261c5bdd [file] [log] [blame]
// 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 "build/build_config.h"
#if defined(OS_POSIX) && !defined(OS_MACOSX)
#include <cstdlib>
#endif
#include "base/basictypes.h"
#include "base/environment.h"
#include "base/file_util.h"
#include "base/i18n/case_conversion.h"
#include "base/i18n/rtl.h"
#include "base/path_service.h"
#include "base/stl_util.h"
#include "base/strings/string_util.h"
#include "base/strings/utf_string_conversions.h"
#include "base/test/scoped_path_override.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "testing/platform_test.h"
#include "third_party/icu/source/common/unicode/locid.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/l10n/l10n_util_collator.h"
#include "ui/base/ui_base_paths.h"
#if defined(OS_WIN)
#include "base/win/windows_version.h"
#endif
#if !defined(OS_MACOSX)
#include "ui/base/test/data/resource.h"
#endif
using base::ASCIIToUTF16;
using base::UTF8ToUTF16;
namespace {
class StringWrapper {
public:
explicit StringWrapper(const base::string16& string) : string_(string) {}
const base::string16& string() const { return string_; }
private:
base::string16 string_;
DISALLOW_COPY_AND_ASSIGN(StringWrapper);
};
} // namespace
class L10nUtilTest : public PlatformTest {
};
#if defined(OS_WIN)
// TODO(beng): disabled until app strings move to app.
TEST_F(L10nUtilTest, DISABLED_GetString) {
std::string s = l10n_util::GetStringUTF8(IDS_SIMPLE);
EXPECT_EQ(std::string("Hello World!"), s);
s = l10n_util::GetStringFUTF8(IDS_PLACEHOLDERS,
UTF8ToUTF16("chrome"),
UTF8ToUTF16("10"));
EXPECT_EQ(std::string("Hello, chrome. Your number is 10."), s);
base::string16 s16 = l10n_util::GetStringFUTF16Int(IDS_PLACEHOLDERS_2, 20);
EXPECT_EQ(UTF8ToUTF16("You owe me $20."), s16);
}
#endif // defined(OS_WIN)
#if !defined(OS_MACOSX) && !defined(OS_ANDROID)
// On Mac, we are disabling this test because GetApplicationLocale() as an
// API isn't something that we'll easily be able to unit test in this manner.
// The meaning of that API, on the Mac, is "the locale used by Cocoa's main
// nib file", which clearly can't be stubbed by a test app that doesn't use
// Cocoa.
// On Android, we are disabling this test since GetApplicationLocale() just
// returns the system's locale, which, similarly, is not easily unit tested.
#if defined(OS_POSIX) && defined(USE_GLIB) && !defined(OS_CHROMEOS)
const bool kPlatformHasDefaultLocale = 1;
const bool kUseLocaleFromEnvironment = 1;
const bool kSupportsLocalePreference = 0;
#elif defined(OS_WIN)
const bool kPlatformHasDefaultLocale = 1;
const bool kUseLocaleFromEnvironment = 0;
const bool kSupportsLocalePreference = 1;
#else
const bool kPlatformHasDefaultLocale = 0;
const bool kUseLocaleFromEnvironment = 0;
const bool kSupportsLocalePreference = 1;
#endif
void SetDefaultLocaleForTest(const std::string& tag, base::Environment* env) {
if (kUseLocaleFromEnvironment)
env->SetVar("LANGUAGE", tag);
else
base::i18n::SetICUDefaultLocale(tag);
}
TEST_F(L10nUtilTest, GetAppLocale) {
scoped_ptr<base::Environment> env;
// Use a temporary locale dir so we don't have to actually build the locale
// pak files for this test.
base::ScopedPathOverride locale_dir_override(ui::DIR_LOCALES);
base::FilePath new_locale_dir;
ASSERT_TRUE(PathService::Get(ui::DIR_LOCALES, &new_locale_dir));
// Make fake locale files.
std::string filenames[] = {
"en-US",
"en-GB",
"fr",
"es-419",
"es",
"zh-TW",
"zh-CN",
"he",
"fil",
"nb",
"am",
"ca",
"ca@valencia",
};
for (size_t i = 0; i < arraysize(filenames); ++i) {
base::FilePath filename = new_locale_dir.AppendASCII(
filenames[i] + ".pak");
base::WriteFile(filename, "", 0);
}
// Keep a copy of ICU's default locale before we overwrite it.
const std::string original_locale = base::i18n::GetConfiguredLocale();
if (kPlatformHasDefaultLocale && kUseLocaleFromEnvironment) {
env.reset(base::Environment::Create());
// Test the support of LANGUAGE environment variable.
base::i18n::SetICUDefaultLocale("en-US");
env->SetVar("LANGUAGE", "xx:fr_CA");
EXPECT_EQ("fr", l10n_util::GetApplicationLocale(std::string()));
EXPECT_STREQ("fr", icu::Locale::getDefault().getLanguage());
env->SetVar("LANGUAGE", "xx:yy:en_gb.utf-8@quot");
EXPECT_EQ("en-GB", l10n_util::GetApplicationLocale(std::string()));
EXPECT_STREQ("en", icu::Locale::getDefault().getLanguage());
env->SetVar("LANGUAGE", "xx:zh-hk");
EXPECT_EQ("zh-TW", l10n_util::GetApplicationLocale(std::string()));
EXPECT_STREQ("zh", icu::Locale::getDefault().getLanguage());
// We emulate gettext's behavior here, which ignores LANG/LC_MESSAGES/LC_ALL
// when LANGUAGE is specified. If no language specified in LANGUAGE is
// valid,
// then just fallback to the default language, which is en-US for us.
base::i18n::SetICUDefaultLocale("fr-FR");
env->SetVar("LANGUAGE", "xx:yy");
EXPECT_EQ("en-US", l10n_util::GetApplicationLocale(std::string()));
EXPECT_STREQ("en", icu::Locale::getDefault().getLanguage());
env->SetVar("LANGUAGE", "/fr:zh_CN");
EXPECT_EQ("zh-CN", l10n_util::GetApplicationLocale(std::string()));
EXPECT_STREQ("zh", icu::Locale::getDefault().getLanguage());
// Test prioritization of the different environment variables.
env->SetVar("LANGUAGE", "fr");
env->SetVar("LC_ALL", "es");
env->SetVar("LC_MESSAGES", "he");
env->SetVar("LANG", "nb");
EXPECT_EQ("fr", l10n_util::GetApplicationLocale(std::string()));
EXPECT_STREQ("fr", icu::Locale::getDefault().getLanguage());
env->UnSetVar("LANGUAGE");
EXPECT_EQ("es", l10n_util::GetApplicationLocale(std::string()));
EXPECT_STREQ("es", icu::Locale::getDefault().getLanguage());
env->UnSetVar("LC_ALL");
EXPECT_EQ("he", l10n_util::GetApplicationLocale(std::string()));
EXPECT_STREQ("he", icu::Locale::getDefault().getLanguage());
env->UnSetVar("LC_MESSAGES");
EXPECT_EQ("nb", l10n_util::GetApplicationLocale(std::string()));
EXPECT_STREQ("nb", icu::Locale::getDefault().getLanguage());
env->UnSetVar("LANG");
SetDefaultLocaleForTest("ca", env.get());
EXPECT_EQ("ca", l10n_util::GetApplicationLocale(std::string()));
EXPECT_STREQ("ca", icu::Locale::getDefault().getLanguage());
SetDefaultLocaleForTest("ca-ES", env.get());
EXPECT_EQ("ca", l10n_util::GetApplicationLocale(std::string()));
EXPECT_STREQ("ca", icu::Locale::getDefault().getLanguage());
SetDefaultLocaleForTest("ca@valencia", env.get());
EXPECT_EQ("ca@valencia", l10n_util::GetApplicationLocale(std::string()));
EXPECT_STREQ("ca", icu::Locale::getDefault().getLanguage());
SetDefaultLocaleForTest("ca_ES@valencia", env.get());
EXPECT_EQ("ca@valencia", l10n_util::GetApplicationLocale(std::string()));
EXPECT_STREQ("ca", icu::Locale::getDefault().getLanguage());
SetDefaultLocaleForTest("ca_ES.UTF8@valencia", env.get());
EXPECT_EQ("ca@valencia", l10n_util::GetApplicationLocale(std::string()));
EXPECT_STREQ("ca", icu::Locale::getDefault().getLanguage());
}
SetDefaultLocaleForTest("en-US", env.get());
EXPECT_EQ("en-US", l10n_util::GetApplicationLocale(std::string()));
EXPECT_STREQ("en", icu::Locale::getDefault().getLanguage());
SetDefaultLocaleForTest("xx", env.get());
EXPECT_EQ("en-US", l10n_util::GetApplicationLocale(std::string()));
EXPECT_STREQ("en", icu::Locale::getDefault().getLanguage());
if (!kPlatformHasDefaultLocale) {
// ChromeOS & embedded use only browser prefs in GetApplicationLocale(),
// ignoring the environment, and default to en-US. Other platforms honor
// the default locale from the OS or environment.
SetDefaultLocaleForTest("en-GB", env.get());
EXPECT_EQ("en-US", l10n_util::GetApplicationLocale(""));
EXPECT_STREQ("en", icu::Locale::getDefault().getLanguage());
SetDefaultLocaleForTest("en-US", env.get());
EXPECT_EQ("en-GB", l10n_util::GetApplicationLocale("en-GB"));
EXPECT_STREQ("en", icu::Locale::getDefault().getLanguage());
SetDefaultLocaleForTest("en-US", env.get());
EXPECT_EQ("en-GB", l10n_util::GetApplicationLocale("en-AU"));
EXPECT_STREQ("en", icu::Locale::getDefault().getLanguage());
SetDefaultLocaleForTest("en-US", env.get());
EXPECT_EQ("en-GB", l10n_util::GetApplicationLocale("en-NZ"));
EXPECT_STREQ("en", icu::Locale::getDefault().getLanguage());
SetDefaultLocaleForTest("en-US", env.get());
EXPECT_EQ("en-GB", l10n_util::GetApplicationLocale("en-CA"));
EXPECT_STREQ("en", icu::Locale::getDefault().getLanguage());
SetDefaultLocaleForTest("en-US", env.get());
EXPECT_EQ("en-GB", l10n_util::GetApplicationLocale("en-ZA"));
EXPECT_STREQ("en", icu::Locale::getDefault().getLanguage());
} else {
// Most platforms have an OS-provided locale. This locale is preferred.
SetDefaultLocaleForTest("en-GB", env.get());
EXPECT_EQ("en-GB", l10n_util::GetApplicationLocale(std::string()));
EXPECT_STREQ("en", icu::Locale::getDefault().getLanguage());
SetDefaultLocaleForTest("fr-CA", env.get());
EXPECT_EQ("fr", l10n_util::GetApplicationLocale(std::string()));
EXPECT_STREQ("fr", icu::Locale::getDefault().getLanguage());
SetDefaultLocaleForTest("es-MX", env.get());
EXPECT_EQ("es-419", l10n_util::GetApplicationLocale(std::string()));
EXPECT_STREQ("es", icu::Locale::getDefault().getLanguage());
SetDefaultLocaleForTest("es-AR", env.get());
EXPECT_EQ("es-419", l10n_util::GetApplicationLocale(std::string()));
EXPECT_STREQ("es", icu::Locale::getDefault().getLanguage());
SetDefaultLocaleForTest("es-ES", env.get());
EXPECT_EQ("es", l10n_util::GetApplicationLocale(std::string()));
EXPECT_STREQ("es", icu::Locale::getDefault().getLanguage());
SetDefaultLocaleForTest("es", env.get());
EXPECT_EQ("es", l10n_util::GetApplicationLocale(std::string()));
EXPECT_STREQ("es", icu::Locale::getDefault().getLanguage());
SetDefaultLocaleForTest("zh-HK", env.get());
EXPECT_EQ("zh-TW", l10n_util::GetApplicationLocale(std::string()));
EXPECT_STREQ("zh", icu::Locale::getDefault().getLanguage());
SetDefaultLocaleForTest("zh-MO", env.get());
EXPECT_EQ("zh-TW", l10n_util::GetApplicationLocale(std::string()));
EXPECT_STREQ("zh", icu::Locale::getDefault().getLanguage());
SetDefaultLocaleForTest("zh-SG", env.get());
EXPECT_EQ("zh-CN", l10n_util::GetApplicationLocale(std::string()));
EXPECT_STREQ("zh", icu::Locale::getDefault().getLanguage());
SetDefaultLocaleForTest("en-CA", env.get());
EXPECT_EQ("en-GB", l10n_util::GetApplicationLocale(std::string()));
EXPECT_STREQ("en", icu::Locale::getDefault().getLanguage());
SetDefaultLocaleForTest("en-AU", env.get());
EXPECT_EQ("en-GB", l10n_util::GetApplicationLocale(std::string()));
EXPECT_STREQ("en", icu::Locale::getDefault().getLanguage());
SetDefaultLocaleForTest("en-NZ", env.get());
EXPECT_EQ("en-GB", l10n_util::GetApplicationLocale(std::string()));
EXPECT_STREQ("en", icu::Locale::getDefault().getLanguage());
SetDefaultLocaleForTest("en-ZA", env.get());
EXPECT_EQ("en-GB", l10n_util::GetApplicationLocale(std::string()));
EXPECT_STREQ("en", icu::Locale::getDefault().getLanguage());
}
SetDefaultLocaleForTest("en-US", env.get());
if (kSupportsLocalePreference) {
// On windows, the user can override the locale in preferences.
base::i18n::SetICUDefaultLocale("en-US");
EXPECT_EQ("fr", l10n_util::GetApplicationLocale("fr"));
EXPECT_STREQ("fr", icu::Locale::getDefault().getLanguage());
EXPECT_EQ("fr", l10n_util::GetApplicationLocale("fr-CA"));
EXPECT_STREQ("fr", icu::Locale::getDefault().getLanguage());
base::i18n::SetICUDefaultLocale("en-US");
// Aliases iw, no, tl to he, nb, fil.
EXPECT_EQ("he", l10n_util::GetApplicationLocale("iw"));
EXPECT_STREQ("he", icu::Locale::getDefault().getLanguage());
EXPECT_EQ("nb", l10n_util::GetApplicationLocale("no"));
EXPECT_STREQ("nb", icu::Locale::getDefault().getLanguage());
EXPECT_EQ("fil", l10n_util::GetApplicationLocale("tl"));
EXPECT_STREQ("fil", icu::Locale::getDefault().getLanguage());
// es-419 and es-XX (where XX is not Spain) should be
// mapped to es-419 (Latin American Spanish).
EXPECT_EQ("es-419", l10n_util::GetApplicationLocale("es-419"));
EXPECT_STREQ("es", icu::Locale::getDefault().getLanguage());
EXPECT_EQ("es", l10n_util::GetApplicationLocale("es-ES"));
EXPECT_STREQ("es", icu::Locale::getDefault().getLanguage());
EXPECT_EQ("es-419", l10n_util::GetApplicationLocale("es-AR"));
EXPECT_STREQ("es", icu::Locale::getDefault().getLanguage());
base::i18n::SetICUDefaultLocale("es-AR");
EXPECT_EQ("es", l10n_util::GetApplicationLocale("es"));
EXPECT_STREQ("es", icu::Locale::getDefault().getLanguage());
base::i18n::SetICUDefaultLocale("zh-HK");
EXPECT_EQ("zh-CN", l10n_util::GetApplicationLocale("zh-CN"));
EXPECT_STREQ("zh", icu::Locale::getDefault().getLanguage());
base::i18n::SetICUDefaultLocale("he");
EXPECT_EQ("en-US", l10n_util::GetApplicationLocale("en"));
EXPECT_STREQ("en", icu::Locale::getDefault().getLanguage());
base::i18n::SetICUDefaultLocale("he");
EXPECT_EQ("en-US", l10n_util::GetApplicationLocale("en", false));
EXPECT_STREQ("he", icu::Locale::getDefault().getLanguage());
base::i18n::SetICUDefaultLocale("de");
EXPECT_EQ("en-US", l10n_util::GetApplicationLocale("xx", false));
EXPECT_STREQ("de", icu::Locale::getDefault().getLanguage());
base::i18n::SetICUDefaultLocale("de");
EXPECT_EQ("fr", l10n_util::GetApplicationLocale("fr", false));
EXPECT_STREQ("de", icu::Locale::getDefault().getLanguage());
base::i18n::SetICUDefaultLocale("de");
EXPECT_EQ("en-US", l10n_util::GetApplicationLocale("en", false));
EXPECT_STREQ("de", icu::Locale::getDefault().getLanguage());
base::i18n::SetICUDefaultLocale("de");
EXPECT_EQ("en-US", l10n_util::GetApplicationLocale("en-US", true));
EXPECT_STREQ("en", icu::Locale::getDefault().getLanguage());
} else {
base::i18n::SetICUDefaultLocale("de");
EXPECT_EQ("en-US", l10n_util::GetApplicationLocale(std::string(), false));
EXPECT_STREQ("de", icu::Locale::getDefault().getLanguage());
base::i18n::SetICUDefaultLocale("de");
EXPECT_EQ("en-US", l10n_util::GetApplicationLocale(std::string(), true));
EXPECT_STREQ("en", icu::Locale::getDefault().getLanguage());
}
#if defined(OS_WIN)
// Amharic should be blocked unless OS is Vista or newer.
if (base::win::GetVersion() < base::win::VERSION_VISTA) {
base::i18n::SetICUDefaultLocale("am");
EXPECT_EQ("en-US", l10n_util::GetApplicationLocale(""));
EXPECT_STREQ("en", icu::Locale::getDefault().getLanguage());
base::i18n::SetICUDefaultLocale("en-GB");
EXPECT_EQ("en-GB", l10n_util::GetApplicationLocale("am"));
EXPECT_STREQ("en", icu::Locale::getDefault().getLanguage());
} else {
base::i18n::SetICUDefaultLocale("am");
EXPECT_EQ("am", l10n_util::GetApplicationLocale(""));
EXPECT_STREQ("am", icu::Locale::getDefault().getLanguage());
base::i18n::SetICUDefaultLocale("en-GB");
EXPECT_EQ("am", l10n_util::GetApplicationLocale("am"));
EXPECT_STREQ("am", icu::Locale::getDefault().getLanguage());
}
#endif // defined(OS_WIN)
// Clean up.
base::i18n::SetICUDefaultLocale(original_locale);
}
#endif // !defined(OS_MACOSX)
TEST_F(L10nUtilTest, SortStringsUsingFunction) {
std::vector<StringWrapper*> strings;
strings.push_back(new StringWrapper(UTF8ToUTF16("C")));
strings.push_back(new StringWrapper(UTF8ToUTF16("d")));
strings.push_back(new StringWrapper(UTF8ToUTF16("b")));
strings.push_back(new StringWrapper(UTF8ToUTF16("a")));
l10n_util::SortStringsUsingMethod("en-US",
&strings,
&StringWrapper::string);
ASSERT_TRUE(UTF8ToUTF16("a") == strings[0]->string());
ASSERT_TRUE(UTF8ToUTF16("b") == strings[1]->string());
ASSERT_TRUE(UTF8ToUTF16("C") == strings[2]->string());
ASSERT_TRUE(UTF8ToUTF16("d") == strings[3]->string());
STLDeleteElements(&strings);
}
/**
* Helper method for validating strings that require direcitonal markup.
* Checks that parentheses are enclosed in appropriate direcitonal markers.
*/
void CheckUiDisplayNameForLocale(const std::string& locale,
const std::string& display_locale,
bool is_rtl) {
EXPECT_EQ(true, base::i18n::IsRTL());
base::string16 result = l10n_util::GetDisplayNameForLocale(locale,
display_locale,
/* is_for_ui */ true);
bool rtl_direction = true;
for (size_t i = 0; i < result.length() - 1; i++) {
base::char16 ch = result.at(i);
switch (ch) {
case base::i18n::kLeftToRightMark:
case base::i18n::kLeftToRightEmbeddingMark:
rtl_direction = false;
break;
case base::i18n::kRightToLeftMark:
case base::i18n::kRightToLeftEmbeddingMark:
rtl_direction = true;
break;
case '(':
case ')':
EXPECT_EQ(is_rtl, rtl_direction);
}
}
}
TEST_F(L10nUtilTest, GetDisplayNameForLocale) {
// TODO(jungshik): Make this test more extensive.
// Test zh-CN and zh-TW are treated as zh-Hans and zh-Hant.
base::string16 result =
l10n_util::GetDisplayNameForLocale("zh-CN", "en", false);
EXPECT_EQ(ASCIIToUTF16("Chinese (Simplified)"), result);
result = l10n_util::GetDisplayNameForLocale("zh-TW", "en", false);
EXPECT_EQ(ASCIIToUTF16("Chinese (Traditional)"), result);
// tl and fil are not identical to be strict, but we treat them as
// synonyms.
result = l10n_util::GetDisplayNameForLocale("tl", "en", false);
EXPECT_EQ(l10n_util::GetDisplayNameForLocale("fil", "en", false), result);
result = l10n_util::GetDisplayNameForLocale("pt-BR", "en", false);
EXPECT_EQ(ASCIIToUTF16("Portuguese (Brazil)"), result);
result = l10n_util::GetDisplayNameForLocale("es-419", "en", false);
EXPECT_EQ(ASCIIToUTF16("Spanish (Latin America)"), result);
result = l10n_util::GetDisplayNameForLocale("-BR", "en", false);
EXPECT_EQ(ASCIIToUTF16("Brazil"), result);
result = l10n_util::GetDisplayNameForLocale("xyz-xyz", "en", false);
EXPECT_EQ(ASCIIToUTF16("xyz (XYZ)"), result);
// Check for directional markers when using RTL languages to ensure that
// direction neutral characters such as parentheses are properly formatted.
// Keep a copy of ICU's default locale before we overwrite it.
const std::string original_locale = base::i18n::GetConfiguredLocale();
base::i18n::SetICUDefaultLocale("he");
CheckUiDisplayNameForLocale("en-US", "en", false);
CheckUiDisplayNameForLocale("en-US", "he", true);
// Clean up.
base::i18n::SetICUDefaultLocale(original_locale);
// ToUpper and ToLower should work with embedded NULLs.
const size_t length_with_null = 4;
base::char16 buf_with_null[length_with_null] = { 0, 'a', 0, 'b' };
base::string16 string16_with_null(buf_with_null, length_with_null);
base::string16 upper_with_null = base::i18n::ToUpper(string16_with_null);
ASSERT_EQ(length_with_null, upper_with_null.size());
EXPECT_TRUE(upper_with_null[0] == 0 && upper_with_null[1] == 'A' &&
upper_with_null[2] == 0 && upper_with_null[3] == 'B');
base::string16 lower_with_null = base::i18n::ToLower(upper_with_null);
ASSERT_EQ(length_with_null, upper_with_null.size());
EXPECT_TRUE(lower_with_null[0] == 0 && lower_with_null[1] == 'a' &&
lower_with_null[2] == 0 && lower_with_null[3] == 'b');
}
TEST_F(L10nUtilTest, GetDisplayNameForCountry) {
base::string16 result = l10n_util::GetDisplayNameForCountry("BR", "en");
EXPECT_EQ(ASCIIToUTF16("Brazil"), result);
result = l10n_util::GetDisplayNameForCountry("419", "en");
EXPECT_EQ(ASCIIToUTF16("Latin America"), result);
result = l10n_util::GetDisplayNameForCountry("xyz", "en");
EXPECT_EQ(ASCIIToUTF16("XYZ"), result);
}
TEST_F(L10nUtilTest, GetParentLocales) {
std::vector<std::string> locales;
const std::string top_locale("sr_Cyrl_RS");
l10n_util::GetParentLocales(top_locale, &locales);
ASSERT_EQ(3U, locales.size());
EXPECT_EQ("sr_Cyrl_RS", locales[0]);
EXPECT_EQ("sr_Cyrl", locales[1]);
EXPECT_EQ("sr", locales[2]);
}
TEST_F(L10nUtilTest, IsValidLocaleSyntax) {
// Test valid locales.
EXPECT_TRUE(l10n_util::IsValidLocaleSyntax("en"));
EXPECT_TRUE(l10n_util::IsValidLocaleSyntax("fr"));
EXPECT_TRUE(l10n_util::IsValidLocaleSyntax("de"));
EXPECT_TRUE(l10n_util::IsValidLocaleSyntax("pt"));
EXPECT_TRUE(l10n_util::IsValidLocaleSyntax("zh"));
EXPECT_TRUE(l10n_util::IsValidLocaleSyntax("fil"));
EXPECT_TRUE(l10n_util::IsValidLocaleSyntax("haw"));
EXPECT_TRUE(l10n_util::IsValidLocaleSyntax("en-US"));
EXPECT_TRUE(l10n_util::IsValidLocaleSyntax("en_US"));
EXPECT_TRUE(l10n_util::IsValidLocaleSyntax("en_GB"));
EXPECT_TRUE(l10n_util::IsValidLocaleSyntax("pt-BR"));
EXPECT_TRUE(l10n_util::IsValidLocaleSyntax("zh_CN"));
EXPECT_TRUE(l10n_util::IsValidLocaleSyntax("zh_Hans"));
EXPECT_TRUE(l10n_util::IsValidLocaleSyntax("zh_Hans_CN"));
EXPECT_TRUE(l10n_util::IsValidLocaleSyntax("zh_Hant"));
EXPECT_TRUE(l10n_util::IsValidLocaleSyntax("zh_Hant_TW"));
EXPECT_TRUE(l10n_util::IsValidLocaleSyntax("fr_CA"));
EXPECT_TRUE(l10n_util::IsValidLocaleSyntax("i-klingon"));
EXPECT_TRUE(l10n_util::IsValidLocaleSyntax("es-419"));
EXPECT_TRUE(l10n_util::IsValidLocaleSyntax("en_IE_PREEURO"));
EXPECT_TRUE(l10n_util::IsValidLocaleSyntax("en_IE_u_cu_IEP"));
EXPECT_TRUE(l10n_util::IsValidLocaleSyntax("en_IE@currency=IEP"));
EXPECT_TRUE(l10n_util::IsValidLocaleSyntax("fr@x=y"));
EXPECT_TRUE(l10n_util::IsValidLocaleSyntax("zn_CN@foo=bar"));
EXPECT_TRUE(l10n_util::IsValidLocaleSyntax(
"fr@collation=phonebook;calendar=islamic-civil"));
EXPECT_TRUE(l10n_util::IsValidLocaleSyntax(
"sr_Latn_RS_REVISED@currency=USD"));
// Test invalid locales.
EXPECT_FALSE(l10n_util::IsValidLocaleSyntax(std::string()));
EXPECT_FALSE(l10n_util::IsValidLocaleSyntax("x"));
EXPECT_FALSE(l10n_util::IsValidLocaleSyntax("12"));
EXPECT_FALSE(l10n_util::IsValidLocaleSyntax("456"));
EXPECT_FALSE(l10n_util::IsValidLocaleSyntax("a1"));
EXPECT_FALSE(l10n_util::IsValidLocaleSyntax("enUS"));
EXPECT_FALSE(l10n_util::IsValidLocaleSyntax("zhcn"));
EXPECT_FALSE(l10n_util::IsValidLocaleSyntax("en.US"));
EXPECT_FALSE(l10n_util::IsValidLocaleSyntax("en#US"));
EXPECT_FALSE(l10n_util::IsValidLocaleSyntax("-en-US"));
EXPECT_FALSE(l10n_util::IsValidLocaleSyntax("en-US-"));
EXPECT_FALSE(l10n_util::IsValidLocaleSyntax("123-en-US"));
EXPECT_FALSE(l10n_util::IsValidLocaleSyntax("Latin"));
EXPECT_FALSE(l10n_util::IsValidLocaleSyntax("German"));
EXPECT_FALSE(l10n_util::IsValidLocaleSyntax("pt--BR"));
EXPECT_FALSE(l10n_util::IsValidLocaleSyntax("sl-macedonia"));
EXPECT_FALSE(l10n_util::IsValidLocaleSyntax("@"));
EXPECT_FALSE(l10n_util::IsValidLocaleSyntax("en-US@"));
EXPECT_FALSE(l10n_util::IsValidLocaleSyntax("en-US@x"));
EXPECT_FALSE(l10n_util::IsValidLocaleSyntax("en-US@x="));
EXPECT_FALSE(l10n_util::IsValidLocaleSyntax("en-US@=y"));
}