| 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 | // test sized operator delete replacement. |
| 10 | |
| 11 | // Note that sized delete operator definitions below are simply ignored |
| 12 | // when sized deallocation is not supported, e.g., prior to C++14. |
| 13 | |
| 14 | // REQUIRES: c++03 || c++11 |
| 15 | // UNSUPPORTED: sanitizer-new-delete |
| 16 | |
| 17 | #include <new> |
| 18 | #include <cstddef> |
| 19 | #include <cstdlib> |
| 20 | #include <cassert> |
| 21 | |
| 22 | #include "test_macros.h" |
| 23 | |
| 24 | int unsized_delete_called = 0; |
| 25 | int unsized_delete_nothrow_called = 0; |
| 26 | int sized_delete_called = 0; |
| 27 | |
| 28 | void operator delete(void* p) TEST_NOEXCEPT |
| 29 | { |
| 30 | ++unsized_delete_called; |
| 31 | std::free(p); |
| 32 | } |
| 33 | |
| 34 | void operator delete(void* p, const std::nothrow_t&) TEST_NOEXCEPT |
| 35 | { |
| 36 | ++unsized_delete_nothrow_called; |
| 37 | std::free(p); |
| 38 | } |
| 39 | |
| 40 | void operator delete(void* p, std::size_t) TEST_NOEXCEPT |
| 41 | { |
| 42 | ++sized_delete_called; |
| 43 | std::free(p); |
| 44 | } |
| 45 | |
| 46 | int main(int, char**) |
| 47 | { |
| 48 | int *x = new int(42); |
| 49 | DoNotOptimize(x); |
| 50 | assert(0 == unsized_delete_called); |
| 51 | assert(0 == unsized_delete_nothrow_called); |
| 52 | assert(0 == sized_delete_called); |
| 53 | |
| 54 | delete x; |
| 55 | DoNotOptimize(x); |
| 56 | assert(1 == unsized_delete_called); |
| 57 | assert(0 == sized_delete_called); |
| 58 | assert(0 == unsized_delete_nothrow_called); |
| 59 | |
| 60 | return 0; |
| 61 | } |
| 62 | |