50 lines
1,022 B
C++
50 lines
1,022 B
C++
|
//===----------------------------------------------------------------------===//
|
||
|
//
|
||
|
// 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.
|
||
|
//
|
||
|
//===----------------------------------------------------------------------===//
|
||
|
|
||
|
// test operator new [] nothrow by replacing only operator new
|
||
|
|
||
|
#include <new>
|
||
|
#include <cstddef>
|
||
|
#include <cstdlib>
|
||
|
#include <cassert>
|
||
|
#include <limits>
|
||
|
|
||
|
int new_called = 0;
|
||
|
|
||
|
void* operator new(std::size_t s) throw(std::bad_alloc)
|
||
|
{
|
||
|
++new_called;
|
||
|
return std::malloc(s);
|
||
|
}
|
||
|
|
||
|
void operator delete(void* p) throw()
|
||
|
{
|
||
|
--new_called;
|
||
|
std::free(p);
|
||
|
}
|
||
|
|
||
|
volatile int A_constructed = 0;
|
||
|
|
||
|
struct A
|
||
|
{
|
||
|
A() {++A_constructed;}
|
||
|
~A() {--A_constructed;}
|
||
|
};
|
||
|
|
||
|
int main()
|
||
|
{
|
||
|
A* ap = new (std::nothrow) A[3];
|
||
|
assert(ap);
|
||
|
assert(A_constructed == 3);
|
||
|
assert(new_called);
|
||
|
delete [] ap;
|
||
|
assert(A_constructed == 0);
|
||
|
assert(!new_called);
|
||
|
}
|