1//===----------------------------------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9// void* operator new[](std::size_t);
10
11// Test that we can replace the operator by replacing the `operator new(std::size_t)` (the non-array version).
12
13// UNSUPPORTED: sanitizer-new-delete
14// XFAIL: libcpp-no-vcruntime
15// XFAIL: LIBCXX-AIX-FIXME
16
17#include <new>
18#include <cstddef>
19#include <cstdlib>
20#include <cassert>
21#include <limits>
22
23#include "test_macros.h"
24
25int new_called = 0;
26int delete_called = 0;
27
28TEST_WORKAROUND_BUG_109234844_WEAK
29void* operator new(std::size_t s) TEST_THROW_SPEC(std::bad_alloc) {
30 ++new_called;
31 void* ret = std::malloc(s);
32 if (!ret) {
33 std::abort(); // placate MSVC's unchecked malloc warning (assert() won't silence it)
34 }
35 return ret;
36}
37
38void operator delete(void* p) TEST_NOEXCEPT {
39 ++delete_called;
40 std::free(p);
41}
42
43int main(int, char**) {
44 new_called = delete_called = 0;
45 int* x = DoNotOptimize(new int[3]);
46 assert(x != nullptr);
47 ASSERT_WITH_OPERATOR_NEW_FALLBACKS(new_called == 1);
48
49 delete[] x;
50 ASSERT_WITH_OPERATOR_NEW_FALLBACKS(delete_called == 1);
51
52 return 0;
53}
54

source code of libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/new.size.replace.indirect.pass.cpp