llvm-project
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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// <set>
10
11// multiset(multiset&&)
12// noexcept(is_nothrow_move_constructible<allocator_type>::value &&
13// is_nothrow_move_constructible<key_compare>::value);
14
15// This tests a conforming extension
16
17// UNSUPPORTED: c++03
18
19#include <set>
20#include <cassert>
21
22#include "test_macros.h"
23#include "MoveOnly.h"
24#include "test_allocator.h"
25
26template <class T>
27struct some_comp
28{
29typedef T value_type;
30some_comp(const some_comp&);
31bool operator()(const T&, const T&) const { return false; }
32};
33
34int main(int, char**)
35{
36#if defined(_LIBCPP_VERSION)
37{
38typedef std::multiset<MoveOnly> C;
39static_assert(std::is_nothrow_move_constructible<C>::value, "");
40}
41{
42typedef std::multiset<MoveOnly, std::less<MoveOnly>, test_allocator<MoveOnly>> C;
43static_assert(std::is_nothrow_move_constructible<C>::value, "");
44}
45{
46typedef std::multiset<MoveOnly, std::less<MoveOnly>, other_allocator<MoveOnly>> C;
47static_assert(std::is_nothrow_move_constructible<C>::value, "");
48}
49#endif // _LIBCPP_VERSION
50{
51typedef std::multiset<MoveOnly, some_comp<MoveOnly>> C;
52static_assert(!std::is_nothrow_move_constructible<C>::value, "");
53}
54
55return 0;
56}
57