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 typedef T value_type;
29 some_comp(const some_comp&);
30 bool operator()(const T&, const T&) const { return false; }
31};
32
33int main(int, char**) {
34#if defined(_LIBCPP_VERSION)
35 {
36 typedef std::multiset<MoveOnly> C;
37 static_assert(std::is_nothrow_move_constructible<C>::value, "");
38 }
39 {
40 typedef std::multiset<MoveOnly, std::less<MoveOnly>, test_allocator<MoveOnly>> C;
41 static_assert(std::is_nothrow_move_constructible<C>::value, "");
42 }
43 {
44 typedef std::multiset<MoveOnly, std::less<MoveOnly>, other_allocator<MoveOnly>> C;
45 static_assert(std::is_nothrow_move_constructible<C>::value, "");
46 }
47#endif // _LIBCPP_VERSION
48 {
49 typedef std::multiset<MoveOnly, some_comp<MoveOnly>> C;
50 static_assert(!std::is_nothrow_move_constructible<C>::value, "");
51 }
52
53 return 0;
54}
55

source code of libcxx/test/std/containers/associative/multiset/multiset.cons/move_noexcept.pass.cpp