libcxx/test/std/containers/unord/unord.map/get_allocator.pass.cpp

   1 //===----------------------------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 // <unordered_map>
  10
  11 // class unordered_map
  12
  13 // allocator_type get_allocator() const
  14
  15 #include <unordered_map>
  16 #include <cassert>
  17 #include <string>
  18
  19 #include "test_allocator.h"
  20 #include "test_macros.h"
  21
  22 int main(int, char**) {
  23     typedef std::pair<const int, std::string> ValueType;
  24     {
  25         std::allocator<ValueType> alloc;
  26         const std::unordered_map<int, std::string> m(alloc);
  27         assert(m.get_allocator() == alloc);
  28     }
  29     {
  30         other_allocator<ValueType> alloc(1);
  31         const std::unordered_map<int, std::string, std::hash<int>,
  32                                  std::equal_to<int>,
  33                                  other_allocator<ValueType> > m(alloc);
  34         assert(m.get_allocator() == alloc);
  35     }
  36
  37     return 0;
  38 }