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// 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 }
#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;
}
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