b64f8b07c1
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119395 91177308-0d34-0410-b5e6-96231b3b80d8
68 lines
1.8 KiB
C++
68 lines
1.8 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// 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.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// <memory>
|
|
|
|
// shared_ptr
|
|
|
|
// template<class D, class T> D* get_deleter(const shared_ptr<T>& p);
|
|
|
|
#include <memory>
|
|
#include <cassert>
|
|
#include "../test_deleter.h"
|
|
|
|
struct A
|
|
{
|
|
static int count;
|
|
|
|
A() {++count;}
|
|
A(const A&) {++count;}
|
|
~A() {--count;}
|
|
};
|
|
|
|
int A::count = 0;
|
|
|
|
int main()
|
|
{
|
|
{
|
|
{
|
|
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);
|
|
}
|
|
}
|