//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// void* operator new(std::size_t, std::nothrow_t const&);
// Test that we can replace the operator by replacing `operator new(std::size_t)` (the throwing version).
// This doesn't work when the shared library was built with exceptions disabled, because
// we can't implement the non-throwing new from the throwing new in that case.
// XFAIL: no-exceptions
// UNSUPPORTED: sanitizer-new-delete
// XFAIL: libcpp-no-vcruntime
// XFAIL: LIBCXX-AIX-FIXME
#include <new>
#include <cstddef>
#include <cstdlib>
#include <cassert>
#include "test_macros.h"
int new_called = 0;
int delete_called = 0;
TEST_WORKAROUND_BUG_109234844_WEAK
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 (assert() won't silence it)
}
return ret;
}
void operator delete(void* p) TEST_NOEXCEPT {
++delete_called;
std::free(p);
}
int main(int, char**) {
new_called = delete_called = 0;
int* x = DoNotOptimize(new (std::nothrow) int(3));
assert(x != nullptr);
ASSERT_WITH_OPERATOR_NEW_FALLBACKS(new_called == 1);
delete x;
ASSERT_WITH_OPERATOR_NEW_FALLBACKS(delete_called == 1);
return 0;
}