Loading local resources uses improved fallback algorithm....

chrome/browser/extensions/extension_l10n_util_unittest.cc

 // Copyright (c) 2009 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 "chrome/browser/extensions/extension_l10n_util.h"
 
 #include "app/l10n_util.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/path_service.h"
@@ skipping 165 matching lines @@
   scoped_ptr<ExtensionMessageBundle> message_bundle(
       extension_l10n_util::LoadMessageCatalogs(src_path,
                                                "en",
                                                "sr",
                                                valid_locales,
                                                &error));
   EXPECT_TRUE(NULL != message_bundle.get());
   EXPECT_TRUE(error.empty());
 }
 
+TEST(ExtensionL10nUtil, GetParentLocales) {
+  std::vector<std::string> locales;
+  const std::string top_locale("sr_Cyrl_RS");
+  extension_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]);
+}
+
 bool PathsAreEqual(const FilePath& path1, const FilePath& path2) {
   FilePath::StringType path1_str = path1.value();
   std::replace(path1_str.begin(), path1_str.end(), '\\', '/');
 
   FilePath::StringType path2_str = path2.value();
   std::replace(path2_str.begin(), path2_str.end(), '\\', '/');
 
   if (path1_str == path2_str) {
     return true;
   } else {
     return false;
   }
 }
 
 TEST(ExtensionL10nUtil, GetL10nRelativePath) {
-  static std::string current_locale = l10n_util::GetApplicationLocale(L"");
-  std::replace(current_locale.begin(), current_locale.end(), '-', '_');
+  static std::string current_locale =
+    extension_l10n_util::NormalizeLocale(l10n_util::GetApplicationLocale(L""));
 
-  FilePath locale_path;
-  locale_path = locale_path
-      .AppendASCII(Extension::kLocaleFolder)
-      .AppendASCII(current_locale)
-      .AppendASCII("foo")
-      .AppendASCII("bar.js");
+  std::vector<FilePath> l10n_paths;
+  extension_l10n_util::GetL10nRelativePaths(
+      FilePath(FILE_PATH_LITERAL("foo/bar.js")), &l10n_paths);
+  ASSERT_FALSE(l10n_paths.empty());
 
-  FilePath result = extension_l10n_util::GetL10nRelativePath(
-      FilePath(FILE_PATH_LITERAL("foo/bar.js")));
-  EXPECT_TRUE(PathsAreEqual(locale_path, result));
+  std::vector<std::string> locales;
+  extension_l10n_util::GetParentLocales(current_locale, &locales);
+  ASSERT_EQ(locales.size(), l10n_paths.size());
+
+  for (size_t i = 0; i < locales.size(); ++i) {
+    FilePath tmp;
+    tmp = tmp.AppendASCII(Extension::kLocaleFolder)
+      .AppendASCII(locales[i]).AppendASCII("foo/bar.js");
+    EXPECT_TRUE(PathsAreEqual(tmp, l10n_paths[i]));
+  }
 }
 
 }  // namespace