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//===----------------------------------------------------------------------===//
//
// 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
// UNSUPPORTED: sanitizer-new-delete
// XFAIL: libcpp-no-vcruntime
#include <new>
#include <cstddef>
#include <cstdlib>
#include <cassert>
#include <limits>
#include "test_macros.h"
int new_called = 0;
void* operator new(std::size_t s) TEST_THROW_SPEC(std::bad_alloc)
{
++new_called;
void* ret = std::malloc(s);
if (!ret) std::abort(); // placate MSVC's unchecked malloc warning
return ret;
}
void operator delete(void* p) TEST_NOEXCEPT
{
--new_called;
std::free(p);
}
volatile int A_constructed = 0;
struct A
{
A() {++A_constructed;}
~A() {--A_constructed;}
};
A* volatile ap;
int main()
{
ap = new (std::nothrow) A[3];
assert(ap);
assert(A_constructed == 3);
assert(new_called);
delete [] ap;
assert(A_constructed == 0);
assert(!new_called);
}
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