pointer_deleter05.fail.cpp [plain text]
#include <memory>
#include <cassert>
struct A
{
static int count;
A() {++count;}
A(const A&) {++count;}
virtual ~A() {--count;}
};
int A::count = 0;
struct B
: public A
{
static int count;
B() {++count;}
B(const B&) {++count;}
virtual ~B() {--count;}
};
int B::count = 0;
class Deleter
{
int state_;
public:
Deleter() : state_(5) {}
int state() const {return state_;}
void operator()(A* p) {delete [] p;}
};
int main()
{
B* p = new B[3];
std::unique_ptr<A[], Deleter> s(p, Deleter());
}