/** Test append empty queues. */
@Test
public final void testAppendEmptyQueueToEmptyQueue() {
originalQueue.append(q);
assertTrue(
"Appending queue is not empty when both queues are empty",
q.isEmpty() && originalQueue.isEmpty());
}
/** Test append nonempty queue to empty queue. */
@Test
public final void testAppendNonEmptyQueueToEmptyQueue() {
for (int i = 0; i < 4; i++) {
q.offer(i);
}
originalQueue.append(q);
assertTrue("Original queue has wrong size.", originalQueue.size() == 4);
for (int i = 0; i < 4; i++) {
assertTrue("Returns wrong value", (originalQueue.poll() == i));
}
assertTrue("Appending queue is not empty when both queues are empty", q.isEmpty());
}