libcxx/test/std/utilities/memory/default.allocator/allocator.dtor.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 // UNSUPPORTED: c++03, c++11, c++14, c++17
  10
  11 // template <class T>
  12 // constexpr allocator<T>::~allocator();
  13
  14 #include <memory>
  15
  16 template <typename T>
  17 constexpr bool test() {
  18     std::allocator<T> alloc;
  19     (void)alloc;
  20
  21     // destructor called here
  22     return true;
  23 }
  24
  25 int main(int, char**)
  26 {
  27     test<int>();
  28     test<void>();
  29 #ifdef _LIBCPP_VERSION // extension
  30     test<int const>();
  31 #endif // _LIBCPP_VERSION
  32
  33     static_assert(test<int>());
  34     static_assert(test<void>());
  35 #ifdef _LIBCPP_VERSION // extension
  36     static_assert(test<int const>());
  37 #endif // _LIBCPP_VERSION
  38
  39     return 0;
  40 }