blob: 077f8ba7fbd66f6837d409b6e5faaffe98102924 (
plain)
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
56
57
58
59
60
61
62
63
|
//
// Copyright (c) 2021 Dmitry Arkhipov (grisumbras@gmail.com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
// Official repository: https://github.com/boostorg/json
//
#ifndef BOOST_JSON_CHECKING_RESOURCE_HPP
#define BOOST_JSON_CHECKING_RESOURCE_HPP
#include <boost/json/storage_ptr.hpp>
#include <map>
#include "test_suite.hpp"
BOOST_JSON_NS_BEGIN
class checking_resource
: public memory_resource
{
storage_ptr upstream_;
std::map<void const*, std::pair<std::size_t, std::size_t>> allocs_;
public:
explicit checking_resource(storage_ptr upstream = {}) noexcept
: upstream_(std::move(upstream))
{}
private:
void* do_allocate(std::size_t size, std::size_t alignment) override
{
void* result = upstream_->allocate(size, alignment);
allocs_.emplace(result, std::make_pair(size, alignment));
return result;
}
void do_deallocate(void* ptr, std::size_t size, std::size_t alignment)
override
{
auto const it = allocs_.find(ptr);
if( BOOST_TEST(it != allocs_.end()) )
{
BOOST_TEST(size == it->second.first);
BOOST_TEST(alignment == it->second.second);
allocs_.erase(it);
}
return upstream_->deallocate(ptr, size, alignment);
}
bool do_is_equal(memory_resource const& other) const noexcept
override
{
return this == &other;
}
};
BOOST_JSON_NS_END
#endif // BOOST_JSON_CHECKING_RESOURCE_HPP
|
