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 // <map>
11 
12 // multimap(multimap&&)
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 <map>
21 #include <cassert>
22 
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&);
31     bool operator()(const T&, const T&) const { return false; }
32 };
33 
34 int main()
35 {
36     typedef std::pair<const MoveOnly, MoveOnly> V;
37     {
38         typedef std::multimap<MoveOnly, MoveOnly> C;
39         static_assert(std::is_nothrow_move_constructible<C>::value, "");
40     }
41     {
42         typedef std::multimap<MoveOnly, MoveOnly, std::less<MoveOnly>, test_allocator<V>> C;
43         static_assert(std::is_nothrow_move_constructible<C>::value, "");
44     }
45     {
46         typedef std::multimap<MoveOnly, MoveOnly, std::less<MoveOnly>, other_allocator<V>> C;
47         static_assert(std::is_nothrow_move_constructible<C>::value, "");
48     }
49     {
50         typedef std::multimap<MoveOnly, MoveOnly, some_comp<MoveOnly>> C;
51         static_assert(!std::is_nothrow_move_constructible<C>::value, "");
52     }
53 }
54