public void TestEnqueue_OneItem()
{
CustomQueue <int> queue = new CustomQueue <int>();
queue.Enqueue(1);
Assert.AreEqual(1, queue.Count);
Assert.AreEqual("1", queue.ToString());
}
public void TestToString_NonEmptyQueue()
{
CustomQueue <int> queue = new CustomQueue <int>();
int queueCount = 5;
for (int i = 0; i < queueCount; i++)
{
queue.Enqueue(i);
}
Assert.AreEqual("01234", queue.ToString());
}
public void TestEnqueue_TenItems()
{
CustomQueue <int> queue = new CustomQueue <int>();
int queueCount = 10;
for (int i = 0; i < queueCount; i++)
{
queue.Enqueue(i);
}
Assert.AreEqual(queueCount, queue.Count);
Assert.AreEqual("0123456789", queue.ToString());
}
public void TestDequeue_OneItem()
{
CustomQueue <int> queue = new CustomQueue <int>();
int queueCount = 5;
for (int i = 0; i < queueCount; i++)
{
queue.Enqueue(i);
}
int dequeuedItem = queue.Dequeue();
Assert.AreEqual(0, dequeuedItem);
Assert.AreEqual(4, queue.Count);
Assert.AreEqual("1234", queue.ToString());
}
public void TestToArray_NonEmptyQueue()
{
CustomQueue <int> queue = new CustomQueue <int>();
int queueCount = 10;
for (int i = 0; i < queueCount; i++)
{
queue.Enqueue(i);
}
int[] arr = queue.ToArray();
Assert.AreEqual(10, arr.Length);
Assert.AreEqual(queue.Peek(), arr[0]);
Assert.AreEqual(queue.ToString(), string.Join(string.Empty, arr));
}
public void TestClone_NonEmptyQueue()
{
CustomQueue <int> queue = new CustomQueue <int>();
int queueCount = 5;
for (int i = 0; i < queueCount; i++)
{
queue.Enqueue(i);
}
CustomQueue <int> clone = (CustomQueue <int>)queue.Clone();
queue.Dequeue();
Assert.AreEqual(5, clone.Count);
Assert.AreEqual("01234", clone.ToString());
Assert.AreEqual(4, queue.Count);
}
public void TestDequeue_MultipleItems()
{
CustomQueue <int> queue = new CustomQueue <int>();
int queueCount = 10;
for (int i = 0; i < queueCount; i++)
{
queue.Enqueue(i);
}
for (int i = 0; i < 5; i++)
{
int dequeuedItem = queue.Dequeue();
Assert.AreEqual(i, dequeuedItem);
}
Assert.AreEqual(5, queue.Count);
Assert.AreEqual("56789", queue.ToString());
}
public void TestToString_EmptyQueue()
{
CustomQueue <int> queue = new CustomQueue <int>();
Assert.AreEqual(string.Empty, queue.ToString());
}