blob: 82dc77efe89ee0dee15bb666441817e35cfd76fb (
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
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
|
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++98, c++03, c++11, c++14
// UNSUPPORTED: sanitizer-new-delete
// NOTE: GCC doesn't provide the -faligned-allocation flag to test for
// XFAIL: no-aligned-allocation && !gcc
// test operator new replacement
#include <new>
#include <cstddef>
#include <cstdlib>
#include <cstdint>
#include <cassert>
#include <limits>
#include "test_macros.h"
constexpr auto OverAligned = __STDCPP_DEFAULT_NEW_ALIGNMENT__ * 2;
int A_constructed = 0;
struct alignas(OverAligned) A {
A() { ++A_constructed;}
~A() { --A_constructed;}
};
int B_constructed = 0;
struct alignas(std::max_align_t) B
{
std::max_align_t member;
B() { ++B_constructed;}
~B() { --B_constructed;}
};
int new_called = 0;
alignas(OverAligned) char DummyData[OverAligned * 4];
void* operator new[](std::size_t s, std::align_val_t a) TEST_THROW_SPEC(std::bad_alloc)
{
assert(new_called == 0); // We already allocated
assert(s <= sizeof(DummyData));
assert(static_cast<std::size_t>(a) == OverAligned);
++new_called;
return DummyData;
}
void operator delete[](void* p, std::align_val_t) TEST_NOEXCEPT
{
assert(new_called == 1);
--new_called;
assert(p == DummyData);
}
int main()
{
{
A* ap = new A[3];
assert(ap);
assert(A_constructed == 3);
assert(new_called);
delete [] ap;
assert(!A_constructed);
assert(!new_called);
}
{
B* bp = new B[3];
assert(bp);
assert(B_constructed == 3);
assert(!new_called);
delete [] bp;
assert(!new_called);
}
}
|
