ui/base/l10n/l10n_util_unittest.cc

   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 "build/build_config.h"
   6
   7 #if defined(OS_POSIX) && !defined(OS_MACOSX)
   8 #include <cstdlib>
   9 #endif
  10
  11 #include "base/basictypes.h"
  12 #include "base/environment.h"
  13 #include "base/file_util.h"
  14 #include "base/i18n/case_conversion.h"
  15 #include "base/i18n/rtl.h"
  16 #include "base/path_service.h"
  17 #include "base/stl_util.h"
  18 #include "base/strings/string_util.h"
  19 #include "base/strings/utf_string_conversions.h"
  20 #include "base/test/scoped_path_override.h"
  21 #include "testing/gtest/include/gtest/gtest.h"
  22 #include "testing/platform_test.h"
  23 #include "third_party/icu/source/common/unicode/locid.h"
  24 #include "ui/base/l10n/l10n_util.h"
  25 #include "ui/base/l10n/l10n_util_collator.h"
  26 #include "ui/base/ui_base_paths.h"
  27
  28 #if defined(OS_WIN)
  29 #include "base/win/windows_version.h"
  30 #endif
  31
  32 #if !defined(OS_MACOSX)
  33 #include "ui/base/test/data/resource.h"
  34 #endif
  35
  36 using base::ASCIIToUTF16;
  37 using base::UTF8ToUTF16;
  38
  39 namespace {
  40
  41 class StringWrapper {
  42  public:
  43   explicit StringWrapper(const base::string16& string) : string_(string) {}
  44   const base::string16& string() const { return string_; }
  45
  46  private:
  47   base::string16 string_;
  48
  49   DISALLOW_COPY_AND_ASSIGN(StringWrapper);
  50 };
  51
  52 }  // namespace
  53
  54 class L10nUtilTest : public PlatformTest {
  55 };
  56
  57 #if defined(OS_WIN)
  58 // TODO(beng): disabled until app strings move to app.
  59 TEST_F(L10nUtilTest, DISABLED_GetString) {
  60   std::string s = l10n_util::GetStringUTF8(IDS_SIMPLE);
  61   EXPECT_EQ(std::string("Hello World!"), s);
  62
  63   s = l10n_util::GetStringFUTF8(IDS_PLACEHOLDERS,
  64                                 UTF8ToUTF16("chrome"),
  65                                 UTF8ToUTF16("10"));
  66   EXPECT_EQ(std::string("Hello, chrome. Your number is 10."), s);
  67
  68   base::string16 s16 = l10n_util::GetStringFUTF16Int(IDS_PLACEHOLDERS_2, 20);
  69   EXPECT_EQ(UTF8ToUTF16("You owe me $20."), s16);
  70 }
  71 #endif  // defined(OS_WIN)
  72
  73 #if !defined(OS_MACOSX) && !defined(OS_ANDROID)
  74 // On Mac, we are disabling this test because GetApplicationLocale() as an
  75 // API isn't something that we'll easily be able to unit test in this manner.
  76 // The meaning of that API, on the Mac, is "the locale used by Cocoa's main
  77 // nib file", which clearly can't be stubbed by a test app that doesn't use
  78 // Cocoa.
  79
  80 // On Android, we are disabling this test since GetApplicationLocale() just
  81 // returns the system's locale, which, similarly, is not easily unit tested.
  82
  83 #if defined(OS_POSIX) && defined(USE_GLIB) && !defined(OS_CHROMEOS)
  84 const bool kPlatformHasDefaultLocale = 1;
  85 const bool kUseLocaleFromEnvironment = 1;
  86 const bool kSupportsLocalePreference = 0;
  87 #elif defined(OS_WIN)
  88 const bool kPlatformHasDefaultLocale = 1;
  89 const bool kUseLocaleFromEnvironment = 0;
  90 const bool kSupportsLocalePreference = 1;
  91 #else
  92 const bool kPlatformHasDefaultLocale = 0;
  93 const bool kUseLocaleFromEnvironment = 0;
  94 const bool kSupportsLocalePreference = 1;
  95 #endif
  96
  97 void SetDefaultLocaleForTest(const std::string& tag, base::Environment* env) {
  98   if (kUseLocaleFromEnvironment)
  99     env->SetVar("LANGUAGE", tag);
 100   else
 101     base::i18n::SetICUDefaultLocale(tag);
 102 }
 103
 104 TEST_F(L10nUtilTest, GetAppLocale) {
 105   scoped_ptr<base::Environment> env;
 106   // Use a temporary locale dir so we don't have to actually build the locale
 107   // pak files for this test.
 108   base::ScopedPathOverride locale_dir_override(ui::DIR_LOCALES);
 109   base::FilePath new_locale_dir;
 110   ASSERT_TRUE(PathService::Get(ui::DIR_LOCALES, &new_locale_dir));
 111   // Make fake locale files.
 112   std::string filenames[] = {
 113     "en-US",
 114     "en-GB",
 115     "fr",
 116     "es-419",
 117     "es",
 118     "zh-TW",
 119     "zh-CN",
 120     "he",
 121     "fil",
 122     "nb",
 123     "am",
 124     "ca",
 125     "ca@valencia",
 126   };
 127
 128   for (size_t i = 0; i < arraysize(filenames); ++i) {
 129     base::FilePath filename = new_locale_dir.AppendASCII(
 130         filenames[i] + ".pak");
 131     base::WriteFile(filename, "", 0);
 132   }
 133
 134   // Keep a copy of ICU's default locale before we overwrite it.
 135   const std::string original_locale = base::i18n::GetConfiguredLocale();
 136
 137   if (kPlatformHasDefaultLocale && kUseLocaleFromEnvironment) {
 138     env.reset(base::Environment::Create());
 139
 140     // Test the support of LANGUAGE environment variable.
 141     base::i18n::SetICUDefaultLocale("en-US");
 142     env->SetVar("LANGUAGE", "xx:fr_CA");
 143     EXPECT_EQ("fr", l10n_util::GetApplicationLocale(std::string()));
 144
 145     env->SetVar("LANGUAGE", "xx:yy:en_gb.utf-8@quot");
 146     EXPECT_EQ("en-GB", l10n_util::GetApplicationLocale(std::string()));
 147
 148     env->SetVar("LANGUAGE", "xx:zh-hk");
 149     EXPECT_EQ("zh-TW", l10n_util::GetApplicationLocale(std::string()));
 150
 151     // We emulate gettext's behavior here, which ignores LANG/LC_MESSAGES/LC_ALL
 152     // when LANGUAGE is specified. If no language specified in LANGUAGE is
 153     // valid,
 154     // then just fallback to the default language, which is en-US for us.
 155     base::i18n::SetICUDefaultLocale("fr-FR");
 156     env->SetVar("LANGUAGE", "xx:yy");
 157     EXPECT_EQ("en-US", l10n_util::GetApplicationLocale(std::string()));
 158
 159     env->SetVar("LANGUAGE", "/fr:zh_CN");
 160     EXPECT_EQ("zh-CN", l10n_util::GetApplicationLocale(std::string()));
 161
 162     // Test prioritization of the different environment variables.
 163     env->SetVar("LANGUAGE", "fr");
 164     env->SetVar("LC_ALL", "es");
 165     env->SetVar("LC_MESSAGES", "he");
 166     env->SetVar("LANG", "nb");
 167     EXPECT_EQ("fr", l10n_util::GetApplicationLocale(std::string()));
 168     env->UnSetVar("LANGUAGE");
 169     EXPECT_EQ("es", l10n_util::GetApplicationLocale(std::string()));
 170     env->UnSetVar("LC_ALL");
 171     EXPECT_EQ("he", l10n_util::GetApplicationLocale(std::string()));
 172     env->UnSetVar("LC_MESSAGES");
 173     EXPECT_EQ("nb", l10n_util::GetApplicationLocale(std::string()));
 174     env->UnSetVar("LANG");
 175
 176     SetDefaultLocaleForTest("ca", env.get());
 177     EXPECT_EQ("ca", l10n_util::GetApplicationLocale(std::string()));
 178
 179     SetDefaultLocaleForTest("ca-ES", env.get());
 180     EXPECT_EQ("ca", l10n_util::GetApplicationLocale(std::string()));
 181
 182     SetDefaultLocaleForTest("ca@valencia", env.get());
 183     EXPECT_EQ("ca@valencia", l10n_util::GetApplicationLocale(std::string()));
 184
 185     SetDefaultLocaleForTest("ca_ES@valencia", env.get());
 186     EXPECT_EQ("ca@valencia", l10n_util::GetApplicationLocale(std::string()));
 187
 188     SetDefaultLocaleForTest("ca_ES.UTF8@valencia", env.get());
 189     EXPECT_EQ("ca@valencia", l10n_util::GetApplicationLocale(std::string()));
 190   }
 191
 192   SetDefaultLocaleForTest("en-US", env.get());
 193   EXPECT_EQ("en-US", l10n_util::GetApplicationLocale(std::string()));
 194
 195   SetDefaultLocaleForTest("xx", env.get());
 196   EXPECT_EQ("en-US", l10n_util::GetApplicationLocale(std::string()));
 197
 198   if (!kPlatformHasDefaultLocale) {
 199     // ChromeOS & embedded use only browser prefs in GetApplicationLocale(),
 200     // ignoring the environment, and default to en-US. Other platforms honor
 201     // the default locale from the OS or environment.
 202     SetDefaultLocaleForTest("en-GB", env.get());
 203     EXPECT_EQ("en-US", l10n_util::GetApplicationLocale(""));
 204
 205     SetDefaultLocaleForTest("en-US", env.get());
 206     EXPECT_EQ("en-GB", l10n_util::GetApplicationLocale("en-GB"));
 207
 208     SetDefaultLocaleForTest("en-US", env.get());
 209     EXPECT_EQ("en-GB", l10n_util::GetApplicationLocale("en-AU"));
 210
 211     SetDefaultLocaleForTest("en-US", env.get());
 212     EXPECT_EQ("en-GB", l10n_util::GetApplicationLocale("en-NZ"));
 213
 214     SetDefaultLocaleForTest("en-US", env.get());
 215     EXPECT_EQ("en-GB", l10n_util::GetApplicationLocale("en-CA"));
 216
 217     SetDefaultLocaleForTest("en-US", env.get());
 218     EXPECT_EQ("en-GB", l10n_util::GetApplicationLocale("en-ZA"));
 219   } else {
 220     // Most platforms have an OS-provided locale. This locale is preferred.
 221     SetDefaultLocaleForTest("en-GB", env.get());
 222     EXPECT_EQ("en-GB", l10n_util::GetApplicationLocale(std::string()));
 223
 224     SetDefaultLocaleForTest("fr-CA", env.get());
 225     EXPECT_EQ("fr", l10n_util::GetApplicationLocale(std::string()));
 226
 227     SetDefaultLocaleForTest("es-MX", env.get());
 228     EXPECT_EQ("es-419", l10n_util::GetApplicationLocale(std::string()));
 229
 230     SetDefaultLocaleForTest("es-AR", env.get());
 231     EXPECT_EQ("es-419", l10n_util::GetApplicationLocale(std::string()));
 232
 233     SetDefaultLocaleForTest("es-ES", env.get());
 234     EXPECT_EQ("es", l10n_util::GetApplicationLocale(std::string()));
 235
 236     SetDefaultLocaleForTest("es", env.get());
 237     EXPECT_EQ("es", l10n_util::GetApplicationLocale(std::string()));
 238
 239     SetDefaultLocaleForTest("zh-HK", env.get());
 240     EXPECT_EQ("zh-TW", l10n_util::GetApplicationLocale(std::string()));
 241
 242     SetDefaultLocaleForTest("zh-MO", env.get());
 243     EXPECT_EQ("zh-TW", l10n_util::GetApplicationLocale(std::string()));
 244
 245     SetDefaultLocaleForTest("zh-SG", env.get());
 246     EXPECT_EQ("zh-CN", l10n_util::GetApplicationLocale(std::string()));
 247
 248     SetDefaultLocaleForTest("en-CA", env.get());
 249     EXPECT_EQ("en-GB", l10n_util::GetApplicationLocale(std::string()));
 250
 251     SetDefaultLocaleForTest("en-AU", env.get());
 252     EXPECT_EQ("en-GB", l10n_util::GetApplicationLocale(std::string()));
 253
 254     SetDefaultLocaleForTest("en-NZ", env.get());
 255     EXPECT_EQ("en-GB", l10n_util::GetApplicationLocale(std::string()));
 256
 257     SetDefaultLocaleForTest("en-ZA", env.get());
 258     EXPECT_EQ("en-GB", l10n_util::GetApplicationLocale(std::string()));
 259   }
 260
 261   if (kSupportsLocalePreference) {
 262     // On windows, the user can override the locale in preferences.
 263     base::i18n::SetICUDefaultLocale("en-US");
 264     EXPECT_EQ("fr", l10n_util::GetApplicationLocale("fr"));
 265     EXPECT_EQ("fr", l10n_util::GetApplicationLocale("fr-CA"));
 266
 267     base::i18n::SetICUDefaultLocale("en-US");
 268     // Aliases iw, no, tl to he, nb, fil.
 269     EXPECT_EQ("he", l10n_util::GetApplicationLocale("iw"));
 270     EXPECT_EQ("nb", l10n_util::GetApplicationLocale("no"));
 271     EXPECT_EQ("fil", l10n_util::GetApplicationLocale("tl"));
 272     // es-419 and es-XX (where XX is not Spain) should be
 273     // mapped to es-419 (Latin American Spanish).
 274     EXPECT_EQ("es-419", l10n_util::GetApplicationLocale("es-419"));
 275     EXPECT_EQ("es", l10n_util::GetApplicationLocale("es-ES"));
 276     EXPECT_EQ("es-419", l10n_util::GetApplicationLocale("es-AR"));
 277
 278     base::i18n::SetICUDefaultLocale("es-AR");
 279     EXPECT_EQ("es", l10n_util::GetApplicationLocale("es"));
 280
 281     base::i18n::SetICUDefaultLocale("zh-HK");
 282     EXPECT_EQ("zh-CN", l10n_util::GetApplicationLocale("zh-CN"));
 283
 284     base::i18n::SetICUDefaultLocale("he");
 285     EXPECT_EQ("en-US", l10n_util::GetApplicationLocale("en"));
 286   }
 287
 288 #if defined(OS_WIN)
 289   // Amharic should be blocked unless OS is Vista or newer.
 290   if (base::win::GetVersion() < base::win::VERSION_VISTA) {
 291     base::i18n::SetICUDefaultLocale("am");
 292     EXPECT_EQ("en-US", l10n_util::GetApplicationLocale(""));
 293     base::i18n::SetICUDefaultLocale("en-GB");
 294     EXPECT_EQ("en-GB", l10n_util::GetApplicationLocale("am"));
 295   } else {
 296     base::i18n::SetICUDefaultLocale("am");
 297     EXPECT_EQ("am", l10n_util::GetApplicationLocale(""));
 298     base::i18n::SetICUDefaultLocale("en-GB");
 299     EXPECT_EQ("am", l10n_util::GetApplicationLocale("am"));
 300   }
 301 #endif  // defined(OS_WIN)
 302
 303   // Clean up.
 304   base::i18n::SetICUDefaultLocale(original_locale);
 305 }
 306 #endif  // !defined(OS_MACOSX)
 307
 308 TEST_F(L10nUtilTest, SortStringsUsingFunction) {
 309   std::vector<StringWrapper*> strings;
 310   strings.push_back(new StringWrapper(UTF8ToUTF16("C")));
 311   strings.push_back(new StringWrapper(UTF8ToUTF16("d")));
 312   strings.push_back(new StringWrapper(UTF8ToUTF16("b")));
 313   strings.push_back(new StringWrapper(UTF8ToUTF16("a")));
 314   l10n_util::SortStringsUsingMethod("en-US",
 315                                     &strings,
 316                                     &StringWrapper::string);
 317   ASSERT_TRUE(UTF8ToUTF16("a") == strings[0]->string());
 318   ASSERT_TRUE(UTF8ToUTF16("b") == strings[1]->string());
 319   ASSERT_TRUE(UTF8ToUTF16("C") == strings[2]->string());
 320   ASSERT_TRUE(UTF8ToUTF16("d") == strings[3]->string());
 321   STLDeleteElements(&strings);
 322 }
 323
 324 /**
 325  * Helper method for validating strings that require direcitonal markup.
 326  * Checks that parentheses are enclosed in appropriate direcitonal markers.
 327  */
 328 void CheckUiDisplayNameForLocale(const std::string& locale,
 329                                  const std::string& display_locale,
 330                                  bool is_rtl) {
 331   EXPECT_EQ(true, base::i18n::IsRTL());
 332   base::string16 result = l10n_util::GetDisplayNameForLocale(locale,
 333                                                        display_locale,
 334                                                        /* is_for_ui */ true);
 335
 336   bool rtl_direction = true;
 337   for (size_t i = 0; i < result.length() - 1; i++) {
 338     base::char16 ch = result.at(i);
 339     switch (ch) {
 340     case base::i18n::kLeftToRightMark:
 341     case base::i18n::kLeftToRightEmbeddingMark:
 342       rtl_direction = false;
 343       break;
 344     case base::i18n::kRightToLeftMark:
 345     case base::i18n::kRightToLeftEmbeddingMark:
 346       rtl_direction = true;
 347       break;
 348     case '(':
 349     case ')':
 350       EXPECT_EQ(is_rtl, rtl_direction);
 351     }
 352   }
 353 }
 354
 355 TEST_F(L10nUtilTest, GetDisplayNameForLocale) {
 356   // TODO(jungshik): Make this test more extensive.
 357   // Test zh-CN and zh-TW are treated as zh-Hans and zh-Hant.
 358   base::string16 result =
 359       l10n_util::GetDisplayNameForLocale("zh-CN", "en", false);
 360   EXPECT_EQ(ASCIIToUTF16("Chinese (Simplified Han)"), result);
 361
 362   result = l10n_util::GetDisplayNameForLocale("zh-TW", "en", false);
 363   EXPECT_EQ(ASCIIToUTF16("Chinese (Traditional Han)"), result);
 364
 365   result = l10n_util::GetDisplayNameForLocale("pt-BR", "en", false);
 366   EXPECT_EQ(ASCIIToUTF16("Portuguese (Brazil)"), result);
 367
 368   result = l10n_util::GetDisplayNameForLocale("es-419", "en", false);
 369   EXPECT_EQ(ASCIIToUTF16("Spanish (Latin America)"), result);
 370
 371   result = l10n_util::GetDisplayNameForLocale("-BR", "en", false);
 372   EXPECT_EQ(ASCIIToUTF16("Brazil"), result);
 373
 374   result = l10n_util::GetDisplayNameForLocale("xyz-xyz", "en", false);
 375   EXPECT_EQ(ASCIIToUTF16("xyz (XYZ)"), result);
 376
 377   // Check for directional markers when using RTL languages to ensure that
 378   // direction neutral characters such as parentheses are properly formatted.
 379
 380   // Keep a copy of ICU's default locale before we overwrite it.
 381   const std::string original_locale = base::i18n::GetConfiguredLocale();
 382
 383   base::i18n::SetICUDefaultLocale("he");
 384   CheckUiDisplayNameForLocale("en-US", "en", false);
 385   CheckUiDisplayNameForLocale("en-US", "he", true);
 386
 387   // Clean up.
 388   base::i18n::SetICUDefaultLocale(original_locale);
 389
 390   // ToUpper and ToLower should work with embedded NULLs.
 391   const size_t length_with_null = 4;
 392   base::char16 buf_with_null[length_with_null] = { 0, 'a', 0, 'b' };
 393   base::string16 string16_with_null(buf_with_null, length_with_null);
 394
 395   base::string16 upper_with_null = base::i18n::ToUpper(string16_with_null);
 396   ASSERT_EQ(length_with_null, upper_with_null.size());
 397   EXPECT_TRUE(upper_with_null[0] == 0 && upper_with_null[1] == 'A' &&
 398               upper_with_null[2] == 0 && upper_with_null[3] == 'B');
 399
 400   base::string16 lower_with_null = base::i18n::ToLower(upper_with_null);
 401   ASSERT_EQ(length_with_null, upper_with_null.size());
 402   EXPECT_TRUE(lower_with_null[0] == 0 && lower_with_null[1] == 'a' &&
 403               lower_with_null[2] == 0 && lower_with_null[3] == 'b');
 404 }
 405
 406 TEST_F(L10nUtilTest, GetDisplayNameForCountry) {
 407   base::string16 result = l10n_util::GetDisplayNameForCountry("BR", "en");
 408   EXPECT_EQ(ASCIIToUTF16("Brazil"), result);
 409
 410   result = l10n_util::GetDisplayNameForCountry("419", "en");
 411   EXPECT_EQ(ASCIIToUTF16("Latin America"), result);
 412
 413   result = l10n_util::GetDisplayNameForCountry("xyz", "en");
 414   EXPECT_EQ(ASCIIToUTF16("XYZ"), result);
 415 }
 416
 417 TEST_F(L10nUtilTest, GetParentLocales) {
 418   std::vector<std::string> locales;
 419   const std::string top_locale("sr_Cyrl_RS");
 420   l10n_util::GetParentLocales(top_locale, &locales);
 421
 422   ASSERT_EQ(3U, locales.size());
 423   EXPECT_EQ("sr_Cyrl_RS", locales[0]);
 424   EXPECT_EQ("sr_Cyrl", locales[1]);
 425   EXPECT_EQ("sr", locales[2]);
 426 }
 427
 428 TEST_F(L10nUtilTest, IsValidLocaleSyntax) {
 429   // Test valid locales.
 430   EXPECT_TRUE(l10n_util::IsValidLocaleSyntax("en"));
 431   EXPECT_TRUE(l10n_util::IsValidLocaleSyntax("fr"));
 432   EXPECT_TRUE(l10n_util::IsValidLocaleSyntax("de"));
 433   EXPECT_TRUE(l10n_util::IsValidLocaleSyntax("pt"));
 434   EXPECT_TRUE(l10n_util::IsValidLocaleSyntax("zh"));
 435   EXPECT_TRUE(l10n_util::IsValidLocaleSyntax("fil"));
 436   EXPECT_TRUE(l10n_util::IsValidLocaleSyntax("haw"));
 437   EXPECT_TRUE(l10n_util::IsValidLocaleSyntax("en-US"));
 438   EXPECT_TRUE(l10n_util::IsValidLocaleSyntax("en_US"));
 439   EXPECT_TRUE(l10n_util::IsValidLocaleSyntax("en_GB"));
 440   EXPECT_TRUE(l10n_util::IsValidLocaleSyntax("pt-BR"));
 441   EXPECT_TRUE(l10n_util::IsValidLocaleSyntax("zh_CN"));
 442   EXPECT_TRUE(l10n_util::IsValidLocaleSyntax("zh_Hans"));
 443   EXPECT_TRUE(l10n_util::IsValidLocaleSyntax("zh_Hans_CN"));
 444   EXPECT_TRUE(l10n_util::IsValidLocaleSyntax("zh_Hant"));
 445   EXPECT_TRUE(l10n_util::IsValidLocaleSyntax("zh_Hant_TW"));
 446   EXPECT_TRUE(l10n_util::IsValidLocaleSyntax("fr_CA"));
 447   EXPECT_TRUE(l10n_util::IsValidLocaleSyntax("i-klingon"));
 448   EXPECT_TRUE(l10n_util::IsValidLocaleSyntax("es-419"));
 449   EXPECT_TRUE(l10n_util::IsValidLocaleSyntax("en_IE_PREEURO"));
 450   EXPECT_TRUE(l10n_util::IsValidLocaleSyntax("en_IE_u_cu_IEP"));
 451   EXPECT_TRUE(l10n_util::IsValidLocaleSyntax("en_IE@currency=IEP"));
 452   EXPECT_TRUE(l10n_util::IsValidLocaleSyntax("fr@x=y"));
 453   EXPECT_TRUE(l10n_util::IsValidLocaleSyntax("zn_CN@foo=bar"));
 454   EXPECT_TRUE(l10n_util::IsValidLocaleSyntax(
 455       "fr@collation=phonebook;calendar=islamic-civil"));
 456   EXPECT_TRUE(l10n_util::IsValidLocaleSyntax(
 457       "sr_Latn_RS_REVISED@currency=USD"));
 458
 459   // Test invalid locales.
 460   EXPECT_FALSE(l10n_util::IsValidLocaleSyntax(std::string()));
 461   EXPECT_FALSE(l10n_util::IsValidLocaleSyntax("x"));
 462   EXPECT_FALSE(l10n_util::IsValidLocaleSyntax("12"));
 463   EXPECT_FALSE(l10n_util::IsValidLocaleSyntax("456"));
 464   EXPECT_FALSE(l10n_util::IsValidLocaleSyntax("a1"));
 465   EXPECT_FALSE(l10n_util::IsValidLocaleSyntax("enUS"));
 466   EXPECT_FALSE(l10n_util::IsValidLocaleSyntax("zhcn"));
 467   EXPECT_FALSE(l10n_util::IsValidLocaleSyntax("en.US"));
 468   EXPECT_FALSE(l10n_util::IsValidLocaleSyntax("en#US"));
 469   EXPECT_FALSE(l10n_util::IsValidLocaleSyntax("-en-US"));
 470   EXPECT_FALSE(l10n_util::IsValidLocaleSyntax("en-US-"));
 471   EXPECT_FALSE(l10n_util::IsValidLocaleSyntax("123-en-US"));
 472   EXPECT_FALSE(l10n_util::IsValidLocaleSyntax("Latin"));
 473   EXPECT_FALSE(l10n_util::IsValidLocaleSyntax("German"));
 474   EXPECT_FALSE(l10n_util::IsValidLocaleSyntax("pt--BR"));
 475   EXPECT_FALSE(l10n_util::IsValidLocaleSyntax("sl-macedonia"));
 476   EXPECT_FALSE(l10n_util::IsValidLocaleSyntax("@"));
 477   EXPECT_FALSE(l10n_util::IsValidLocaleSyntax("en-US@"));
 478   EXPECT_FALSE(l10n_util::IsValidLocaleSyntax("en-US@x"));
 479   EXPECT_FALSE(l10n_util::IsValidLocaleSyntax("en-US@x="));
 480   EXPECT_FALSE(l10n_util::IsValidLocaleSyntax("en-US@=y"));
 481 }