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 // <vector>
11 
12 // vector(vector&&)
13 //        noexcept(is_nothrow_move_constructible<allocator_type>::value);
14 
15 // This tests a conforming extension
16 
17 #include <vector>
18 #include <cassert>
19 
20 #include "test_allocator.h"
21 
22 template <class T>
23 struct some_alloc
24 {
25     typedef T value_type;
26     some_alloc(const some_alloc&);
27 };
28 
main()29 int main()
30 {
31 #if __has_feature(cxx_noexcept)
32     {
33         typedef std::vector<bool> C;
34         static_assert(std::is_nothrow_move_constructible<C>::value, "");
35     }
36     {
37         typedef std::vector<bool, test_allocator<bool>> C;
38         static_assert(std::is_nothrow_move_constructible<C>::value, "");
39     }
40     {
41         typedef std::vector<bool, other_allocator<bool>> C;
42         static_assert(std::is_nothrow_move_constructible<C>::value, "");
43     }
44     {
45         typedef std::vector<bool, some_alloc<bool>> C;
46     //  In C++17, move constructors for allocators are not allowed to throw
47 #if TEST_STD_VER > 14
48         static_assert( std::is_nothrow_move_constructible<C>::value, "");
49 #else
50         static_assert(!std::is_nothrow_move_constructible<C>::value, "");
51 #endif
52     }
53 #endif
54 }
55