text: /*
   * Copyright 2015 Facebook, 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.
   */
  
  #ifndef THRIFT_TEST_EXPECT_SAME_H
  #define THRIFT_TEST_EXPECT_SAME_H
  
  #include <folly/Demangle.h>
  
  #include <gtest/gtest.h>
  
  #include <string>
  #include <tuple>
  #include <typeinfo>
  
  struct expect_same {
    expect_same(char const *filename, std::size_t line):
      filename_(filename),
      line_(line)
    {}
  
    template <typename LHS, typename RHS>
    void check() const {
      using type = std::tuple<std::string, std::size_t, char const *, bool>;
      auto const lhs_name = folly::demangle(typeid(LHS));
      auto const rhs_name = folly::demangle(typeid(RHS));
      type const lhs(filename_, line_, lhs_name.c_str(), true);
      type const rhs(
        filename_, line_,
        lhs_name == rhs_name ? lhs_name.c_str() : rhs_name.c_str(),
        std::is_same<LHS, RHS>::value
      );
      EXPECT_EQ(lhs, rhs);
    }
  
  private:
    std::string const filename_;
    std::size_t const line_;
  };
  
  #define EXPECT_SAME expect_same(__FILE__, __LINE__).check
  
  #endif // THRIFT_TEST_EXPECT_SAME_H
  