1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++03
// <vector>
// vector<bool>()
// noexcept(is_nothrow_default_constructible<allocator_type>::value);
// This tests a conforming extension
// For vector<>, this was added to the standard by N4258,
// but vector<bool> was not changed.
#include <vector>
#include <cassert>
#include "test_macros.h"
#include "test_allocator.h"
template <class T>
struct some_alloc
{
typedef T value_type;
some_alloc(const some_alloc&);
};
int main(int, char**)
{
#if defined(_LIBCPP_VERSION)
{
typedef std::vector<bool> C;
static_assert(std::is_nothrow_default_constructible<C>::value, "");
}
{
typedef std::vector<bool, test_allocator<bool>> C;
static_assert(std::is_nothrow_default_constructible<C>::value, "");
}
{
typedef std::vector<bool, other_allocator<bool>> C;
static_assert(!std::is_nothrow_default_constructible<C>::value, "");
}
{
typedef std::vector<bool, some_alloc<bool>> C;
static_assert(!std::is_nothrow_default_constructible<C>::value, "");
}
#endif // _LIBCPP_VERSION
return 0;
}
|
