text: /*
   * Copyright (c) Facebook, Inc. and its affiliates.
   *
   * 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.
   */
  
  #include <folly/lang/TypeInfo.h>
  
  #include <folly/portability/GTest.h>
  
  class TypeInfoTest : public testing::Test {};
  
  namespace std {
  static void PrintTo(type_info const& ti, std::ostream* out) {
    *out << ti.name();
  }
  } // namespace std
  
  namespace {
  struct Foo {};
  struct Bar : Foo {
    virtual ~Bar() {}
  };
  struct Toc : Bar {};
  } // namespace
  
  TEST_F(TypeInfoTest, exanples) {
    EXPECT_EQ(typeid(Foo), *folly::type_info_of<Foo>());
    EXPECT_EQ(typeid(Foo), *folly::type_info_of(Foo()));
    EXPECT_EQ(typeid(Foo), *folly::type_info_of(static_cast<Foo const&>(Bar())));
    EXPECT_EQ(typeid(Bar), *folly::type_info_of(static_cast<Bar const&>(Bar())));
    EXPECT_EQ(typeid(Toc), *folly::type_info_of(static_cast<Bar const&>(Toc())));
  }
  