text: //===----------------------------------------------------------------------===//
  //
  // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
  // See https://llvm.org/LICENSE.txt for license information.
  // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
  //
  //===----------------------------------------------------------------------===//
  
  // <unordered_map>
  
  // template <class Key, class T, class Hash = hash<Key>, class Pred = equal_to<Key>,
  //           class Alloc = allocator<pair<const Key, T>>>
  // class unordered_map
  
  // https://bugs.llvm.org/show_bug.cgi?id=16538
  // https://bugs.llvm.org/show_bug.cgi?id=16549
  
  #include <unordered_map.hxx>
  #include <cassert.hxx>
  
  #include "test_macros.h"
  
  struct Key {
    template <typename T> Key(const T&) {}
    bool operator== (const Key&) const { return true; }
  };
  
  namespace std
  {
      template <>
      struct hash<Key>
      {
          size_t operator()(Key const &) const {return 0;}
      };
  }
  
  int main(int, char**)
  {
      typedef std::unordered_map<Key, int> MapT;
      typedef MapT::iterator Iter;
      MapT map;
      Iter it = map.find(Key(0));
      assert(it == map.end());
      std::pair<Iter, bool> result = map.insert(std::make_pair(Key(0), 42));
      assert(result.second);
      assert(result.first->second == 42);
  
    return 0;
  }
  