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
|
//===----------------------------------------------------------------------===//
//
// 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
// <string>
// ~basic_string() // implied noexcept;
#include <string>
#include <cassert>
#include "test_macros.h"
#include "test_allocator.h"
template <class T>
struct throwing_alloc
{
typedef T value_type;
throwing_alloc(const throwing_alloc&);
T *allocate(size_t);
~throwing_alloc() noexcept(false);
};
// Test that it's possible to take the address of basic_string's destructors
// by creating globals which will register their destructors with cxa_atexit.
std::string s;
std::wstring ws;
int main(int, char**)
{
{
typedef std::string C;
static_assert(std::is_nothrow_destructible<C>::value, "");
}
{
typedef std::basic_string<char, std::char_traits<char>, test_allocator<char>> C;
static_assert(std::is_nothrow_destructible<C>::value, "");
}
#if defined(_LIBCPP_VERSION)
{
typedef std::basic_string<char, std::char_traits<char>, throwing_alloc<char>> C;
static_assert(!std::is_nothrow_destructible<C>::value, "");
}
#endif // _LIBCPP_VERSION
return 0;
}
|
