| //===----------------------------------------------------------------------===// |
| // |
| // 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 |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // UNSUPPORTED: c++03, c++11, c++14 |
| |
| // asan and msan will not call the new handler. |
| // UNSUPPORTED: sanitizer-new-delete |
| |
| // Aligned allocation was not provided before macosx10.14 and as a result we |
| // get availability errors when the deployment target is older than macosx10.14. |
| // However, support for that was broken prior to Clang 8 and AppleClang 11. |
| // UNSUPPORTED: apple-clang-9, apple-clang-10 |
| // UNSUPPORTED: clang-5, clang-6, clang-7 |
| // XFAIL: with_system_cxx_lib=macosx10.13 |
| // XFAIL: with_system_cxx_lib=macosx10.12 |
| // XFAIL: with_system_cxx_lib=macosx10.11 |
| // XFAIL: with_system_cxx_lib=macosx10.10 |
| // XFAIL: with_system_cxx_lib=macosx10.9 |
| |
| // On Windows libc++ doesn't provide its own definitions for new/delete |
| // but instead depends on the ones in VCRuntime. However VCRuntime does not |
| // yet provide aligned new/delete definitions so this test fails to link. |
| // XFAIL: LIBCXX-WINDOWS-FIXME |
| |
| // test operator new |
| |
| #include <new> |
| #include <cstddef> |
| #include <cassert> |
| #include <cstdint> |
| #include <limits> |
| |
| #include "test_macros.h" |
| |
| constexpr auto OverAligned = __STDCPP_DEFAULT_NEW_ALIGNMENT__ * 2; |
| |
| int new_handler_called = 0; |
| |
| void my_new_handler() |
| { |
| ++new_handler_called; |
| std::set_new_handler(0); |
| } |
| |
| int A_constructed = 0; |
| |
| struct alignas(OverAligned) A |
| { |
| A() { ++A_constructed;} |
| ~A() { --A_constructed;} |
| }; |
| |
| void test_throw_max_size() { |
| #ifndef TEST_HAS_NO_EXCEPTIONS |
| std::set_new_handler(my_new_handler); |
| try |
| { |
| void* vp = operator new[] (std::numeric_limits<std::size_t>::max(), |
| static_cast<std::align_val_t>(32)); |
| ((void)vp); |
| assert(false); |
| } |
| catch (std::bad_alloc&) |
| { |
| assert(new_handler_called == 1); |
| } |
| catch (...) |
| { |
| assert(false); |
| } |
| #endif |
| } |
| |
| int main(int, char**) |
| { |
| { |
| A* ap = new A[2]; |
| assert(ap); |
| assert(reinterpret_cast<std::uintptr_t>(ap) % OverAligned == 0); |
| assert(A_constructed == 2); |
| delete [] ap; |
| assert(A_constructed == 0); |
| } |
| { |
| test_throw_max_size(); |
| } |
| |
| return 0; |
| } |