Adds a method to sort the elements of a vector by invoking a method on...

chrome/common/l10n_util_unittest.cc

 // Copyright (c) 2006-2008 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"
 
 #include "base/basictypes.h"
 #include "base/file_util.h"
 #include "base/path_service.h"
 #include "base/string_util.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/l10n_util.h"
+#include "chrome/common/stl_util-inl.h"
 #if !defined(OS_MACOSX)
 #include "chrome/test/data/resource.h"
 #endif
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/platform_test.h"
 #include "unicode/locid.h"
 
 namespace {
 
-class L10nUtilTest: public PlatformTest {
+class StringWrapper {
+ public:
+  explicit StringWrapper(const std::wstring& string) : string_(string) {}
+  const std::wstring& string() const { return string_; }
+
+ private:
+  std::wstring string_;
+
+  DISALLOW_COPY_AND_ASSIGN(StringWrapper);
+};
+
+}  // namespace
+
+class L10nUtilTest : public PlatformTest {
 };
 
 #if defined(OS_WIN)
 TEST_F(L10nUtilTest, GetString) {
   std::wstring s = l10n_util::GetString(IDS_SIMPLE);
   EXPECT_EQ(std::wstring(L"Hello World!"), s);
 
   s = l10n_util::GetStringF(IDS_PLACEHOLDERS, L"chrome", L"10");
   EXPECT_EQ(std::wstring(L"Hello, chrome. Your number is 10."), s);
 
@@ skipping 120 matching lines @@
   SetICUDefaultLocale(L"he");
   EXPECT_EQ(L"en-US", l10n_util::GetApplicationLocale(L"en"));
 
   // Clean up.
   PathService::Override(chrome::DIR_LOCALES, orig_locale_dir);
   file_util::Delete(new_locale_dir, true);
   UErrorCode error_code = U_ZERO_ERROR;
   Locale::setDefault(locale, error_code);
 }
 
+TEST_F(L10nUtilTest, SortStringsUsingFunction) {
+  std::vector<StringWrapper*> strings;
+  strings.push_back(new StringWrapper(L"C"));
+  strings.push_back(new StringWrapper(L"d"));
+  strings.push_back(new StringWrapper(L"b"));
+  strings.push_back(new StringWrapper(L"a"));
+  l10n_util::SortStringsUsingMethod(L"en-US", &strings, &StringWrapper::string);
+  ASSERT_TRUE(L"a" == strings[0]->string());
+  ASSERT_TRUE(L"b" == strings[1]->string());
+  ASSERT_TRUE(L"C" == strings[2]->string());
+  ASSERT_TRUE(L"d" == strings[3]->string());
+  STLDeleteElements(&strings);
+}
+
 TEST_F(L10nUtilTest, GetFirstStrongCharacterDirection) {
   // Test pure LTR string.
   std::wstring string(L"foo bar");
   EXPECT_EQ(l10n_util::LEFT_TO_RIGHT,
             l10n_util::GetFirstStrongCharacterDirection(string));
 
   // Test bidi string in which the first character with strong directionality
   // is a character with type L.
   string.assign(L"foo \x05d0 bar");
   EXPECT_EQ(l10n_util::LEFT_TO_RIGHT,
@@ skipping 154 matching lines @@
     }
   };
   for (unsigned int i = 0; i < arraysize(test_data); ++i) {
     string16 localized_file_path_string;
     FilePath path = FilePath::FromWStringHack(test_data[i].path);
     l10n_util::WrapPathWithLTRFormatting(path, &localized_file_path_string);
     std::wstring wrapped_path = UTF16ToWide(localized_file_path_string);
     EXPECT_EQ(wrapped_path, test_data[i].wrapped_path);
   }
 }
-}
-