public void Peek_PushTwoItems_ReturnsHeadItem()
{
var queue = new ArrayQueue <int>();
queue.Enqueue(1);
queue.Enqueue(2);
Assert.AreEqual(1, queue.Peek());
}
public void Pop_EmptyStack_ThrowsException()
{
var queue = new ArrayQueue <int>();
Assert.Throws <InvalidOperationException>(() =>
{
queue.Dequeue();
});
}
public void Count_PushOneItem_ReturnsOne()
{
var queue = new ArrayQueue <int>();
queue.Enqueue(1);
Assert.AreEqual(1, queue.Count);
Assert.IsFalse(queue.IsEmpty);
}
public void Peek_PushTwoItemsAndPop_ReturnsHeadElement()
{
var queue = new ArrayQueue <int>();
queue.Enqueue(1);
queue.Enqueue(2);
queue.Dequeue();
Assert.AreEqual(2, queue.Peek());
}
public void Capacity_EnqueueManyItems_DoubledCapacity()
{
var queue = new ArrayQueue <int>();
queue.Enqueue(1);
queue.Enqueue(2);
queue.Enqueue(3);
queue.Enqueue(4);
queue.Enqueue(5);
Assert.AreEqual(8, queue.Capacity);
}
static void TestArrayQueue()
{
ArrayQueue queue = new ArrayQueue(5);
queue.Enqueue(10);
queue.Enqueue(20);
queue.Enqueue(30);
//Console.WriteLine(queue.Dequeue());
queue.Dequeue();
queue.Dequeue();
queue.Enqueue(40);
queue.Enqueue(50);
queue.Enqueue(60);
queue.Enqueue(70);
queue.Dequeue();
queue.Enqueue(80);
Console.WriteLine(queue);
}
public void IsEmpty_EmptyQueue_ReturnsTrue()
{
var queue = new ArrayQueue <int>();
Assert.IsTrue(queue.IsEmpty);
}