This is xnu-10002.1.13. See this file in:
//
// Tests for
// pointer detach() noexcept;
//
#include <libkern/c++/intrusive_shared_ptr.h>
#include <darwintest.h>
#include "test_policy.h"
struct T {
int i;
};
template <typename T>
static void
tests()
{
T obj{3};
tracking_policy::reset();
tracked_shared_ptr<T> ptr(&obj, libkern::retain);
T* raw = ptr.detach();
CHECK(raw == &obj);
CHECK(ptr.get() == nullptr); // ptr was set to null
CHECK(tracking_policy::retains == 1);
CHECK(tracking_policy::releases == 0);
}
T_DECL(detach, "intrusive_shared_ptr.detach") {
tests<T>();
tests<T const>();
}