cxx/test/utilities/memory/util.smartptr/util.smartptr.shared/util.smartptr.getdeleter/get_deleter.pass.cpp
Howard Hinnant bc8d3f97eb libcxx initial import
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103490 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-11 19:42:16 +00:00

1 line
1.8 KiB
C++

//===----------------------------------------------------------------------===//
//
// ÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊThe LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. 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);
}
}