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// <set>
11
12// multiset(multiset&&)
13//        noexcept(is_nothrow_move_constructible<allocator_type>::value &&
14//                 is_nothrow_move_constructible<key_compare>::value);
15
16// This tests a conforming extension
17
18// UNSUPPORTED: c++98, c++03
19
20#include <set>
21#include <cassert>
22
23#include "test_macros.h"
24#include "MoveOnly.h"
25#include "test_allocator.h"
26
27template <class T>
28struct some_comp
29{
30    typedef T value_type;
31    some_comp(const some_comp&);
32    bool operator()(const T&, const T&) const { return false; }
33};
34
35int main()
36{
37#if defined(_LIBCPP_VERSION)
38    {
39        typedef std::multiset<MoveOnly> C;
40        static_assert(std::is_nothrow_move_constructible<C>::value, "");
41    }
42    {
43        typedef std::multiset<MoveOnly, std::less<MoveOnly>, test_allocator<MoveOnly>> C;
44        static_assert(std::is_nothrow_move_constructible<C>::value, "");
45    }
46    {
47        typedef std::multiset<MoveOnly, std::less<MoveOnly>, other_allocator<MoveOnly>> C;
48        static_assert(std::is_nothrow_move_constructible<C>::value, "");
49    }
50#endif // _LIBCPP_VERSION
51    {
52        typedef std::multiset<MoveOnly, some_comp<MoveOnly>> C;
53        static_assert(!std::is_nothrow_move_constructible<C>::value, "");
54    }
55}
56