libcxx/test/std/utilities/memory/default.allocator/allocator.globals/eq.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 // <memory>
  10
  11 // allocator:
  12
  13 // template <class T1, class T2>
  14 //   constexpr bool
  15 //   operator==(const allocator<T1>&, const allocator<T2>&) throw();
  16 //
  17 // template <class T1, class T2>
  18 //   constexpr bool
  19 //   operator!=(const allocator<T1>&, const allocator<T2>&) throw();
  20
  21 #include <memory>
  22 #include <cassert>
  23
  24 #include "test_macros.h"
  25
  26 TEST_CONSTEXPR_CXX20 bool test()
  27 {
  28     std::allocator<int> a1;
  29     std::allocator<int> a2;
  30     assert(a1 == a2);
  31     assert(!(a1 != a2));
  32
  33     return true;
  34 }
  35
  36 int main(int, char**)
  37 {
  38     test();
  39
  40 #if TEST_STD_VER > 17
  41     static_assert(test());
  42 #endif
  43
  44     return 0;
  45 }