test/std/utilities/allocator.adaptor/allocator.adaptor.types/propagate_on_container_move_assignment.pass.cpp

   1 //===----------------------------------------------------------------------===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is dual licensed under the MIT and the University of Illinois Open
   6 // Source Licenses. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9
  10 // <memory>
  11
  12 // template <class OuterAlloc, class... InnerAllocs>
  13 //   class scoped_allocator_adaptor
  14
  15 // typedef see below propagate_on_container_move_assignment;
  16
  17 #include <scoped_allocator>
  18 #include <type_traits>
  19
  20 #include "allocators.h"
  21
  22 int main()
  23 {
  24 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
  25
  26     static_assert((std::is_same<
  27         std::scoped_allocator_adaptor<A1<int>>::propagate_on_container_move_assignment,
  28         std::false_type>::value), "");
  29
  30     static_assert((std::is_same<
  31         std::scoped_allocator_adaptor<A1<int>, A2<int>>::propagate_on_container_move_assignment,
  32         std::true_type>::value), "");
  33
  34     static_assert((std::is_same<
  35         std::scoped_allocator_adaptor<A1<int>, A2<int>, A3<int>>::propagate_on_container_move_assignment,
  36         std::true_type>::value), "");
  37
  38 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
  39 }