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
|
//===----------------------------------------------------------------------===//
//
// 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, c++11, c++14
// TODO: Change to XFAIL once https://github.com/llvm/llvm-project/issues/40340 is fixed
// UNSUPPORTED: availability-pmr-missing
// <memory_resource>
// class monotonic_buffer_resource
#include <memory_resource>
#include <cassert>
#include "count_new.h"
#include "test_macros.h"
int main(int, char**) {
{
globalMemCounter.reset();
auto mono1 = std::pmr::monotonic_buffer_resource(std::pmr::new_delete_resource());
std::pmr::memory_resource& r1 = mono1;
void* ret = r1.allocate(50);
assert(ret);
ASSERT_WITH_LIBRARY_INTERNAL_ALLOCATIONS(globalMemCounter.checkNewCalledGreaterThan(0));
assert(globalMemCounter.checkDeleteCalledEq(0));
// mem.res.monotonic.buffer 1.2
// A call to deallocate has no effect, thus the amount of memory
// consumed increases monotonically until the resource is destroyed.
// Check that deallocate is a no-op
r1.deallocate(ret, 50);
assert(globalMemCounter.checkDeleteCalledEq(0));
mono1.release();
ASSERT_WITH_LIBRARY_INTERNAL_ALLOCATIONS(globalMemCounter.checkDeleteCalledEq(1));
assert(globalMemCounter.checkOutstandingNewEq(0));
globalMemCounter.reset();
ret = r1.allocate(500);
assert(ret);
ASSERT_WITH_LIBRARY_INTERNAL_ALLOCATIONS(globalMemCounter.checkNewCalledGreaterThan(0));
assert(globalMemCounter.checkDeleteCalledEq(0));
// Check that the destructor calls release()
}
ASSERT_WITH_LIBRARY_INTERNAL_ALLOCATIONS(globalMemCounter.checkDeleteCalledEq(1));
assert(globalMemCounter.checkOutstandingNewEq(0));
return 0;
}
|
