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
26 template <class T>
27 struct some_comp
28 {
29 typedef T value_type;
30 some_comp(const some_comp&);
operator ()some_comp31 bool operator()(const T&, const T&) const { return false; }
32 };
33
main(int,char **)34 int 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