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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
//
//===----------------------------------------------------------------------===//
// <memory>
// template <class Alloc>
// struct allocator_traits
// {
// static void deallocate(allocator_type& a, pointer p, size_type n);
// ...
// };
#include <memory>
#include <cstdint>
#include <cassert>
#include "test_macros.h"
#include "incomplete_type_helper.h"
int called = 0;
template <class T>
struct A
{
typedef T value_type;
void deallocate(value_type* p, std::size_t n)
{
assert(p == reinterpret_cast<value_type*>(static_cast<std::uintptr_t>(0xDEADBEEF)));
assert(n == 10);
++called;
}
};
int main(int, char**)
{
{
A<int> a;
std::allocator_traits<A<int> >::deallocate(a, reinterpret_cast<int*>(static_cast<std::uintptr_t>(0xDEADBEEF)), 10);
assert(called == 1);
}
called = 0;
{
typedef IncompleteHolder* VT;
typedef A<VT> Alloc;
Alloc a;
std::allocator_traits<Alloc >::deallocate(a, reinterpret_cast<VT*>(static_cast<std::uintptr_t>(0xDEADBEEF)), 10);
assert(called == 1);
}
return 0;
}
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