private void testDequeue(BasicQueue <DSInteger> the_queue)
{
//make sure the elements are removed with a LIFO methodology
Assert.AreEqual(100, the_queue.dequeue().value);
Assert.AreEqual(50, the_queue.dequeue().value);
Assert.AreEqual(200, the_queue.dequeue().value);
Assert.AreEqual(25, the_queue.dequeue().value);
Assert.AreEqual(400, the_queue.dequeue().value);
//make sure no remain after all dequeues
Assert.AreEqual(true, the_queue.isEmpty());
}
private void testSize(BasicQueue <DSInteger> the_queue)
{
Assert.AreEqual(5, the_queue.size());
the_queue.dequeue();
Assert.AreEqual(4, the_queue.size());
the_queue.clear();
Assert.AreEqual(0, the_queue.size());
}
private void testClear(BasicQueue <DSInteger> the_queue)
{
//make sure there are items
Assert.AreEqual(false, the_queue.isEmpty());
//make sure they are cleared
the_queue.clear();
Assert.AreEqual(true, the_queue.isEmpty());
Assert.AreEqual(null, the_queue.dequeue());
}
private void testPoll(BasicQueue <DSInteger> the_queue)
{
//assert that calling poll does not remove the first item
Assert.AreEqual(100, the_queue.poll().value);
Assert.AreEqual(100, the_queue.poll().value);
//make sure that poll works even after a dequeue() operation
the_queue.dequeue();
Assert.AreEqual(50, the_queue.poll().value);
}
private void testEnqueue(BasicQueue <DSInteger> the_queue)
{
//make sure the last element removed is the last one added
DSInteger next = null, last = null;
while ((next = the_queue.dequeue()) != null)
{
last = next;
}
Assert.AreEqual(400, last.value);
}