libcxx/test/std/containers/associative/multimap/multimap.cons/dtor_noexcept.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 // <map>
  10
  11 // ~multimap() // implied noexcept;
  12
  13 // UNSUPPORTED: c++03
  14
  15 #include <map>
  16 #include <cassert>
  17
  18 #include "test_macros.h"
  19 #include "MoveOnly.h"
  20 #include "test_allocator.h"
  21
  22 template <class T>
  23 struct some_comp
  24 {
  25     typedef T value_type;
  26     ~some_comp() noexcept(false);
  27     bool operator()(const T&, const T&) const { return false; }
  28 };
  29
  30 int main(int, char**)
  31 {
  32     typedef std::pair<const MoveOnly, MoveOnly> V;
  33     {
  34         typedef std::multimap<MoveOnly, MoveOnly> C;
  35         static_assert(std::is_nothrow_destructible<C>::value, "");
  36     }
  37     {
  38         typedef std::multimap<MoveOnly, MoveOnly, std::less<MoveOnly>, test_allocator<V>> C;
  39         static_assert(std::is_nothrow_destructible<C>::value, "");
  40     }
  41     {
  42         typedef std::multimap<MoveOnly, MoveOnly, std::less<MoveOnly>, other_allocator<V>> C;
  43         static_assert(std::is_nothrow_destructible<C>::value, "");
  44     }
  45 #if defined(_LIBCPP_VERSION)
  46     {
  47         typedef std::multimap<MoveOnly, MoveOnly, some_comp<MoveOnly>> C;
  48         static_assert(!std::is_nothrow_destructible<C>::value, "");
  49     }
  50 #endif // _LIBCPP_VERSION
  51
  52   return 0;
  53 }