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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++98, c++03, c++11, c++14
// UNSUPPORTED: sanitizer-new-delete
// 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
// XFAIL: with_system_cxx_lib=macosx10.7
// XFAIL: with_system_cxx_lib=macosx10.8
// NOTE: gcc doesn't provide -faligned-allocation flag to test for
// XFAIL: no-aligned-allocation && !gcc
// 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.
// XFAIL: LIBCXX-WINDOWS-FIXME
// test operator new nothrow by replacing only operator new
#include <new>
#include <cstddef>
#include <cstdlib>
#include <cassert>
#include <limits>
#include "test_macros.h"
constexpr auto OverAligned = __STDCPP_DEFAULT_NEW_ALIGNMENT__ * 2;
bool A_constructed = false;
struct alignas(OverAligned) A
{
A() {A_constructed = true;}
~A() {A_constructed = false;}
};
bool B_constructed = false;
struct B {
std::max_align_t member;
B() { B_constructed = true; }
~B() { B_constructed = false; }
};
int new_called = 0;
alignas(OverAligned) char Buff[OverAligned * 2];
void* operator new(std::size_t s, std::align_val_t a) TEST_THROW_SPEC(std::bad_alloc)
{
assert(!new_called);
assert(s <= sizeof(Buff));
assert(static_cast<std::size_t>(a) == OverAligned);
++new_called;
return Buff;
}
void operator delete(void* p, std::align_val_t a) TEST_NOEXCEPT
{
assert(p == Buff);
assert(static_cast<std::size_t>(a) == OverAligned);
assert(new_called);
--new_called;
}
int main()
{
{
A* ap = new (std::nothrow) A;
assert(ap);
assert(A_constructed);
assert(new_called);
delete ap;
assert(!A_constructed);
assert(!new_called);
}
{
B* bp = new (std::nothrow) B;
assert(bp);
assert(B_constructed);
assert(!new_called);
delete bp;
assert(!new_called);
assert(!B_constructed);
}
}
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