public void CanEnqueue()
{
PseudoQueue pq = new PseudoQueue();
pq.Enqueue(1);
string testString = pq.ToString();
Assert.Equal("Top -> 1 -> null", testString);
}
public void Enqueue_adds_to_end()
{
PseudoQueue <int> q = new PseudoQueue <int>();
q.EnQueue(20);
q.EnQueue(15);
q.EnQueue(10);
q.EnQueue(5);
Assert.Equal("{ 5 } -> { 10 } -> { 15 } -> { 20 } -> NULL", q.ToString());
}
public void DeQueue_returns_last()
{
PseudoQueue <int> q = new PseudoQueue <int>();
q.EnQueue(20);
q.EnQueue(15);
q.EnQueue(10);
q.EnQueue(5);
Assert.Equal(5, q.DeQueue());
Assert.Equal("{ 10 } -> { 15 } -> { 20 } -> NULL", q.ToString());
}
public void CanDequeueUntilEmpty()
{
PseudoQueue pq = new PseudoQueue();
pq.Enqueue(1);
pq.Enqueue(2);
pq.Dequeue();
pq.Dequeue();
string testString = pq.ToString();
Assert.Equal("Top -> null", testString);
}
public void CanDequeueMultiple()
{
PseudoQueue pq = new PseudoQueue();
pq.Enqueue(1);
pq.Enqueue(2);
pq.Enqueue(3);
pq.Dequeue();
pq.Dequeue();
string testString = pq.ToString();
Assert.Equal("Top -> 3 -> null", testString);
}
public void PseudoQueue_starts_empty()
{
PseudoQueue <int> q = new PseudoQueue <int>();
Assert.Equal("NULL", q.ToString());
}