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// <forward_list>
11
12// forward_list& operator=(forward_list&& c)
13//     noexcept(
14//          allocator_type::propagate_on_container_move_assignment::value &&
15//          is_nothrow_move_assignable<allocator_type>::value);
16
17// This tests a conforming extension
18
19#include <forward_list>
20#include <cassert>
21
22#include "../../../MoveOnly.h"
23#include "test_allocator.h"
24
25template <class T>
26struct some_alloc
27{
28    typedef T value_type;
29    some_alloc(const some_alloc&);
30};
31
32int main()
33{
34#if __has_feature(cxx_noexcept)
35    {
36        typedef std::forward_list<MoveOnly> C;
37        static_assert(std::is_nothrow_move_assignable<C>::value, "");
38    }
39    {
40        typedef std::forward_list<MoveOnly, test_allocator<MoveOnly>> C;
41        static_assert(!std::is_nothrow_move_assignable<C>::value, "");
42    }
43    {
44        typedef std::forward_list<MoveOnly, other_allocator<MoveOnly>> C;
45        static_assert(std::is_nothrow_move_assignable<C>::value, "");
46    }
47    {
48        typedef std::forward_list<MoveOnly, some_alloc<MoveOnly>> C;
49        static_assert(!std::is_nothrow_move_assignable<C>::value, "");
50    }
51#endif
52}
53