#include <iterator>
#include <cassert>
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
#include <memory>
#endif
class A
{
int data_;
public:
A() : data_(1) {}
~A() {data_ = -1;}
friend bool operator==(const A& x, const A& y)
{return x.data_ == y.data_;}
};
template <class It>
void
test(It i, typename std::iterator_traits<It>::value_type x)
{
std::move_iterator<It> r(i);
assert(*r == x);
typename std::iterator_traits<It>::value_type x2 = *r;
assert(x2 == x);
}
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
struct do_nothing
{
void operator()(void*) const {}
};
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
int main()
{
A a;
test(&a, A());
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
int i;
std::unique_ptr<int, do_nothing> p(&i);
test(&p, std::unique_ptr<int, do_nothing>(&i));
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
}