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 // UNSUPPORTED: c++03
9 
10 // <vector>
11 
12 // vector<bool>()
13 //        noexcept(is_nothrow_default_constructible<allocator_type>::value);
14 
15 // This tests a conforming extension
16 // For vector<>, this was added to the standard by N4258,
17 //   but vector<bool> was not changed.
18 
19 
20 #include <vector>
21 #include <cassert>
22 
23 #include "test_macros.h"
24 #include "test_allocator.h"
25 
26 template <class T>
27 struct some_alloc
28 {
29     typedef T value_type;
30     some_alloc(const some_alloc&);
31 };
32 
33 int main(int, char**)
34 {
35 #if defined(_LIBCPP_VERSION)
36     {
37         typedef std::vector<bool> C;
38         static_assert(std::is_nothrow_default_constructible<C>::value, "");
39     }
40     {
41         typedef std::vector<bool, test_allocator<bool>> C;
42         static_assert(std::is_nothrow_default_constructible<C>::value, "");
43     }
44     {
45         typedef std::vector<bool, other_allocator<bool>> C;
46         static_assert(!std::is_nothrow_default_constructible<C>::value, "");
47     }
48     {
49         typedef std::vector<bool, some_alloc<bool>> C;
50         static_assert(!std::is_nothrow_default_constructible<C>::value, "");
51     }
52 #endif // _LIBCPP_VERSION
53 
54   return 0;
55 }
56