reset_pointer_deleter.pass.cpp [plain text]
#include <memory>
#include <cassert>
#include "../test_deleter.h"
struct B
{
static int count;
B() {++count;}
B(const B&) {++count;}
virtual ~B() {--count;}
};
int B::count = 0;
struct A
: public B
{
static int count;
A() {++count;}
A(const A&) {++count;}
~A() {--count;}
};
int A::count = 0;
int main()
{
{
std::shared_ptr<B> p(new B);
A* ptr = new A;
p.reset(ptr, test_deleter<A>(3));
assert(A::count == 1);
assert(B::count == 1);
assert(p.use_count() == 1);
assert(p.get() == ptr);
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);
{
std::shared_ptr<B> p;
A* ptr = new A;
p.reset(ptr, test_deleter<A>(3));
assert(A::count == 1);
assert(B::count == 1);
assert(p.use_count() == 1);
assert(p.get() == ptr);
test_deleter<A>* d = std::get_deleter<test_deleter<A> >(p);
assert(test_deleter<A>::count == 1);
assert(test_deleter<A>::dealloc_count == 1);
assert(d);
assert(d->state() == 3);
}
assert(A::count == 0);
assert(test_deleter<A>::count == 0);
assert(test_deleter<A>::dealloc_count == 2);
}