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//===----------------------------------------------------------------------===//
//
// 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
// XFAIL: use_system_cxx_lib && target={{.+}}-apple-macosx10.{{9|10|11|12|13|14|15}}
// XFAIL: use_system_cxx_lib && target={{.+}}-apple-macosx{{11.0|12.0}}
// test_memory_resource requires RTTI for dynamic_cast
// UNSUPPORTED: no-rtti
// <memory_resource>
// template <class T> class polymorphic_allocator
// T* polymorphic_allocator<T>::deallocate(T*, size_t size)
#include <memory_resource>
#include <cassert>
#include <type_traits>
#include "test_macros.h"
#include "test_std_memory_resource.h"
template <size_t S, size_t Align>
void testForSizeAndAlign() {
struct T {
alignas(Align) std::byte buf[S];
};
TestResource R;
std::pmr::polymorphic_allocator<T> a(&R);
for (int N = 1; N <= 5; ++N) {
auto ret = a.allocate(N);
assert(R.checkAlloc(ret, N * sizeof(T), alignof(T)));
a.deallocate(ret, N);
assert(R.checkDealloc(ret, N * sizeof(T), alignof(T)));
R.reset();
}
}
int main(int, char**) {
{
std::pmr::polymorphic_allocator<int> a;
ASSERT_SAME_TYPE(decltype(a.deallocate(nullptr, 0)), void);
}
{
constexpr std::size_t MA = alignof(std::max_align_t);
testForSizeAndAlign<1, 1>();
testForSizeAndAlign<1, 2>();
testForSizeAndAlign<1, MA>();
testForSizeAndAlign<2, 2>();
testForSizeAndAlign<73, alignof(void*)>();
testForSizeAndAlign<73, MA>();
testForSizeAndAlign<13, MA>();
}
return 0;
}
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