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& operator=(vector&& 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 <vector>
20 #include <cassert>
21 
22 #include "test_allocator.h"
23 
24 template <class T>
25 struct some_alloc
26 {
27     typedef T value_type;
28     some_alloc(const some_alloc&);
29 };
30 
main()31 int main()
32 {
33 #if __has_feature(cxx_noexcept)
34     {
35         typedef std::vector<bool> C;
36         static_assert(std::is_nothrow_move_assignable<C>::value, "");
37     }
38     {
39         typedef std::vector<bool, test_allocator<bool>> C;
40         static_assert(!std::is_nothrow_move_assignable<C>::value, "");
41     }
42     {
43         typedef std::vector<bool, other_allocator<bool>> C;
44         static_assert(std::is_nothrow_move_assignable<C>::value, "");
45     }
46     {
47         typedef std::vector<bool, some_alloc<bool>> C;
48         static_assert(!std::is_nothrow_move_assignable<C>::value, "");
49     }
50 #endif
51 }
52