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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>
// shared_ptr
// template<class D, class T> D* get_deleter(const shared_ptr<T>& p);
#include <memory>
#include <cassert>
#include "test_macros.h"
#include "deleter_types.h"
struct A
{
static int count;
A() {++count;}
A(const A&) {++count;}
~A() {--count;}
};
int A::count = 0;
int main(int, char**)
{
{
{
A* ptr = new A;
std::shared_ptr<A> p(ptr, test_deleter<A>(3));
test_deleter<A>* d = std::get_deleter<test_deleter<A> >(p);
assert(test_deleter<A>::count == 1);
assert(test_deleter<A>::dealloc_count == 0);
assert(d);
assert(d->state() == 3);
}
assert(A::count == 0);
assert(test_deleter<A>::count == 0);
assert(test_deleter<A>::dealloc_count == 1);
}
test_deleter<A>::dealloc_count = 0;
{
{
std::shared_ptr<A> p(nullptr, test_deleter<A>(3));
test_deleter<A>* d = std::get_deleter<test_deleter<A> >(p);
assert(test_deleter<A>::count == 1);
assert(test_deleter<A>::dealloc_count == 0);
assert(d);
assert(d->state() == 3);
}
assert(A::count == 0);
assert(test_deleter<A>::count == 0);
assert(test_deleter<A>::dealloc_count == 1);
}
test_deleter<A>::dealloc_count = 0;
{
std::shared_ptr<A> p(nullptr, test_deleter<A>(3));
std::default_delete<A>* d = std::get_deleter<std::default_delete<A> >(p);
assert(d == 0);
}
return 0;
}
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