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(multimap&&)
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 <map>
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{
29 typedef T value_type;
30 some_comp(const some_comp&);
31 bool operator()(const T&, const T&) const { return false; }
32};
33
34int main(int, char**)
35{
36#if defined(_LIBCPP_VERSION)
37 typedef std::pair<const MoveOnly, MoveOnly> V;
38 {
39 typedef std::multimap<MoveOnly, MoveOnly> C;
40 static_assert(std::is_nothrow_move_constructible<C>::value, "");
41 }
42 {
43 typedef std::multimap<MoveOnly, MoveOnly, std::less<MoveOnly>, test_allocator<V>> C;
44 static_assert(std::is_nothrow_move_constructible<C>::value, "");
45 }
46 {
47 typedef std::multimap<MoveOnly, MoveOnly, std::less<MoveOnly>, other_allocator<V>> C;
48 static_assert(std::is_nothrow_move_constructible<C>::value, "");
49 }
50#endif // _LIBCPP_VERSION
51 {
52 typedef std::multimap<MoveOnly, MoveOnly, some_comp<MoveOnly>> C;
53 static_assert(!std::is_nothrow_move_constructible<C>::value, "");
54 }
55
56 return 0;
57}
58

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