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#include <iostream>
#include <memory>
#include <cmext/memory>
namespace {
class Base
{
public:
virtual ~Base() = default;
};
class Derived : public Base
{
public:
~Derived() override = default;
void method() {}
};
template <typename T>
class Wrapper
{
public:
Wrapper(T* v)
: value(v)
{
}
~Wrapper() { delete this->value; }
T* get() const { return this->value; }
private:
T* value;
};
bool testReferenceCast()
{
std::cout << "testReferenceCast()" << std::endl;
std::unique_ptr<Base> u(new Derived);
cm::static_reference_cast<Derived>(u).method();
cm::dynamic_reference_cast<Derived>(u).method();
std::shared_ptr<Base> s(new Derived);
cm::static_reference_cast<Derived>(s).method();
cm::dynamic_reference_cast<Derived>(s).method();
// can also be used with custom wrappers
Wrapper<Base> w(new Derived);
cm::static_reference_cast<Derived>(w).method();
cm::dynamic_reference_cast<Derived>(w).method();
return true;
}
}
int testCMExtMemory(int /*unused*/, char* /*unused*/[])
{
if (!testReferenceCast()) {
return 1;
}
return 0;
}
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