public void can_dequeue_value()
{
PseudoQueue <int> queue = new PseudoQueue <int>();
queue.EnQueue(5);
int result = queue.DeQueue();
Assert.Equal(5, result);
}
public void can_dequeue_toEmpty_value()
{
PseudoQueue <int> queue = new PseudoQueue <int>();
queue.EnQueue(1);
queue.EnQueue(5);
queue.EnQueue(7);
queue.EnQueue(3);
queue.EnQueue(2);
queue.DeQueue();
queue.DeQueue();
queue.DeQueue();
queue.DeQueue();
queue.DeQueue();
Assert.True(queue.IsEmpty());
}
public void can_dequeue()
{
PseudoQueue <int> queue = new PseudoQueue <int>();
queue.EnQueue(5);
queue.DeQueue();
Assert.True(queue.IsEmpty());
}
public void DeQueue_throws_EmptyEx_on_empty()
{
PseudoQueue <int> q = new PseudoQueue <int>();
Exception ex = Assert.Throws <EmptyStackException>(() =>
{
q.DeQueue();
});
Assert.Equal("Stack is empty", ex.Message);
}
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());
}