test/std/containers/unord/unord.multiset/unord.multiset.cnstr/dtor_noexcept.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 // <unordered_set>
  11
  12 // ~unordered_multiset() // implied noexcept;
  13
  14 #include <unordered_set>
  15 #include <cassert>
  16
  17 #include "MoveOnly.h"
  18 #include "test_allocator.h"
  19
  20 #if __has_feature(cxx_noexcept)
  21
  22 template <class T>
  23 struct some_comp
  24 {
  25     typedef T value_type;
  26     ~some_comp() noexcept(false);
  27 };
  28
  29 template <class T>
  30 struct some_hash
  31 {
  32     typedef T value_type;
  33     some_hash();
  34     some_hash(const some_hash&);
  35     ~some_hash() noexcept(false);
  36 };
  37
  38 #endif
  39
  40 int main()
  41 {
  42 #if __has_feature(cxx_noexcept)
  43     {
  44         typedef std::unordered_multiset<MoveOnly> C;
  45         static_assert(std::is_nothrow_destructible<C>::value, "");
  46     }
  47     {
  48         typedef std::unordered_multiset<MoveOnly, std::hash<MoveOnly>,
  49                            std::equal_to<MoveOnly>, test_allocator<MoveOnly>> C;
  50         static_assert(std::is_nothrow_destructible<C>::value, "");
  51     }
  52     {
  53         typedef std::unordered_multiset<MoveOnly, std::hash<MoveOnly>,
  54                           std::equal_to<MoveOnly>, other_allocator<MoveOnly>> C;
  55         static_assert(std::is_nothrow_destructible<C>::value, "");
  56     }
  57     {
  58         typedef std::unordered_multiset<MoveOnly, some_hash<MoveOnly>> C;
  59         static_assert(!std::is_nothrow_destructible<C>::value, "");
  60     }
  61     {
  62         typedef std::unordered_multiset<MoveOnly, std::hash<MoveOnly>,
  63                                                          some_comp<MoveOnly>> C;
  64         static_assert(!std::is_nothrow_destructible<C>::value, "");
  65     }
  66 #endif
  67 }