blob: 8d90533b0795c3bd19d36701c10f1d660d676231 (
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
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
|
// Testcase for overflow handling in operator new[].
// Optimization of unnecessary overflow checks.
// In C++11 we throw bad_array_new_length instead.
// { dg-options -std=c++03 }
// { dg-do run }
// { dg-xfail-run-if "AIX operator new" { powerpc-ibm-aix* } }
// { dg-skip-if "requires hosted libstdc++ for stdexcept" { ! hostedlib } }
#include <assert.h>
#include <stdlib.h>
#include <stdexcept>
static size_t magic_allocation_size
= 1 + (size_t (1) << (sizeof (size_t) * 8 - 1));
struct exc : std::bad_alloc {
};
static size_t expected_size;
struct pod_with_new {
char ch;
void *operator new[] (size_t sz)
{
if (sz != expected_size)
abort ();
throw exc ();
}
};
struct with_new {
char ch;
with_new () { }
~with_new () { }
void *operator new[] (size_t sz)
{
if (sz != size_t (-1))
abort ();
throw exc ();
}
};
struct non_pod {
char ch;
non_pod () { }
~non_pod () { }
};
void *
operator new (size_t sz) _GLIBCXX_THROW (std::bad_alloc)
{
if (sz != expected_size)
abort ();
throw exc ();
}
int
main ()
{
if (sizeof (pod_with_new) == 1)
expected_size = magic_allocation_size;
else
expected_size = -1;
try {
new pod_with_new[magic_allocation_size];
abort ();
} catch (exc &) {
}
if (sizeof (with_new) == 1)
expected_size = magic_allocation_size;
else
expected_size = -1;
try {
new with_new[magic_allocation_size];
abort ();
} catch (exc &) {
}
expected_size = magic_allocation_size;
try {
new char[magic_allocation_size];
abort ();
} catch (exc &) {
}
expected_size = -1;
try {
new pod_with_new[magic_allocation_size][2];
abort ();
} catch (exc &) {
}
try {
new with_new[magic_allocation_size][2];
abort ();
} catch (exc &) {
}
try {
new char[magic_allocation_size][2];
abort ();
} catch (exc &) {
}
try {
new non_pod[magic_allocation_size];
abort ();
} catch (exc &) {
}
return 0;
}
|
