| //===----------------------------------------------------------------------===// |
| // |
| // 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::align_val_t, std::nothrow_t const&); |
| |
| // UNSUPPORTED: c++03, c++11, c++14 |
| |
| // asan and msan will not call the new handler. |
| // UNSUPPORTED: sanitizer-new-delete |
| |
| // Libc++ when built for z/OS doesn't contain the aligned allocation functions, |
| // nor does the dynamic library shipped with z/OS. |
| // UNSUPPORTED: target={{.+}}-zos{{.*}} |
| |
| #include <new> |
| #include <cstddef> |
| #include <cstdint> |
| #include <cassert> |
| #include <limits> |
| |
| #include "test_macros.h" |
| #include "../types.h" |
| |
| int new_handler_called = 0; |
| |
| void my_new_handler() { |
| ++new_handler_called; |
| std::set_new_handler(nullptr); |
| } |
| |
| int main(int, char**) { |
| // Test that we can call the function directly |
| { |
| void* x = operator new(10, static_cast<std::align_val_t>(64), std::nothrow); |
| assert(x != nullptr); |
| assert(reinterpret_cast<std::uintptr_t>(x) % 64 == 0); |
| operator delete(x, static_cast<std::align_val_t>(64), std::nothrow); |
| } |
| |
| // Test that the new handler is called and we return nullptr if allocation fails |
| { |
| std::set_new_handler(my_new_handler); |
| void* x = operator new(std::numeric_limits<std::size_t>::max(), |
| static_cast<std::align_val_t>(32), std::nothrow); |
| assert(new_handler_called == 1); |
| assert(x == nullptr); |
| } |
| |
| // Test that a new expression constructs the right object |
| // and a delete expression deletes it |
| { |
| LifetimeInformation info; |
| TrackLifetimeOverAligned* x = new (std::nothrow) TrackLifetimeOverAligned(info); |
| assert(x != nullptr); |
| assert(reinterpret_cast<std::uintptr_t>(x) % alignof(TrackLifetimeOverAligned) == 0); |
| assert(info.address_constructed == x); |
| |
| delete x; |
| assert(info.address_destroyed == x); |
| } |
| |
| return 0; |
| } |