Re-committing http://codereview.chromium.org/8736001/ originally committed revision=112305

third_party/libphonenumber/cpp/src/regexp_cache_test.cc

-// Copyright (C) 2011 Google Inc.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// Author: Fredrik Roubert
-
-#include <cstddef>
-#include <string>
-
-#include <gtest/gtest.h>
-
-#include "regexp_adapter.h"
-#include "regexp_cache.h"
-
-namespace i18n {
-namespace phonenumbers {
-
-using std::string;
-
-class RegExpCacheTest : public testing::Test {
- protected:
-  static const size_t min_items_ = 2;
-
-  RegExpCacheTest() : cache_(min_items_) {}
-  virtual ~RegExpCacheTest() {}
-
-  RegExpCache cache_;
-};
-
-TEST_F(RegExpCacheTest, CacheConstructor) {
-  ASSERT_TRUE(cache_.cache_impl_ != NULL);
-  EXPECT_TRUE(cache_.cache_impl_->empty());
-}
-
-TEST_F(RegExpCacheTest, GetRegExp) {
-  static const string pattern1("foo");
-  static const string pattern2("foo");
-
-  const RegExp& regexp1 = cache_.GetRegExp(pattern1);
-  // "foo" has been cached therefore we must get the same object.
-  const RegExp& regexp2 = cache_.GetRegExp(pattern2);
-
-  EXPECT_TRUE(&regexp1 == &regexp2);
-}
-
-}  // namespace phonenumbers
-}  // namespace i18n