@Test
public void testQueuedWeakReference() {
final boolean[] dealloced = {false};
ReferenceQueue<? super Object> queue = new ReferenceQueue<Object>();
for (@AutoreleasePool int i = 0; i < 1; i++) {
Object referent =
new Object() {
public void finalize() {
dealloced[0] = true;
}
};
weakRef = new WeakReference<Object>(referent, queue);
assertSame("weakRef.get doesn't return referent", referent, weakRef.get());
// Remove reference to o, verify it's still available in the reference.
referent = null;
assertNotNull("weakRef cleared too soon", weakRef.get());
assertFalse("referent dealloc'ed too soon", dealloced[0]);
}
// Verify weak reference was queued.
Reference<?> queuedRef = queue.poll();
assertNotNull("weakRef wasn't queued", queuedRef);
// Verify weak reference was cleared.
assertNull("weakRef wasn't cleared", weakRef.get());
assertTrue("referent wasn't dealloc'ed", dealloced[0]);
}
@Test
public void testWeakReference() {
final boolean[] dealloced = {false};
for (@AutoreleasePool int i = 0; i < 1; i++) {
// Create a referent inside this autorelease pool.
Object referent =
new Object() {
public void finalize() {
dealloced[0] = true;
}
};
weakRef = new WeakReference<Object>(referent);
assertSame("weakRef get doesn't return referent", referent, weakRef.get());
// Clear referent ref, verify it's still available in the reference.
referent = null;
assertNotNull("weakRef cleared too soon", weakRef.get());
assertFalse("referent dealloc'ed too soon", dealloced[0]);
}
// Verify weak reference was cleared.
assertNull("weakRef wasn't cleared", weakRef.get());
assertTrue("referent wasn't dealloc'ed", dealloced[0]);
}