public void EmptyQueue_IsEmpty_RetursTrue()
{
dllQueue <int> queue = new dllQueue <int>();
bool isEmptyResult = queue.IsEmpty();
Assert.IsTrue(isEmptyResult);
}
public void EnqueueOneElement_Dequeue_BothElementsAreEqual()
{
dllQueue <int> queue = new dllQueue <int>();
int element = -1;
queue.Enqueue(element);
int dequeueResult = queue.Dequeue();
Assert.AreEqual(element, dequeueResult);
}
public void EnqueueOneElement_IsEmpty_RetursFalse()
{
dllQueue <int> queue = new dllQueue <int>();
int valueToEnqueue = -1;
queue.Enqueue(valueToEnqueue);
bool isEmptyResult = queue.IsEmpty();
Assert.IsFalse(isEmptyResult);
}
public void EnqueueOneElement_DequeueOnce_IsEmpty_ReturnsTrue()
{
dllQueue <int> queue = new dllQueue <int>();
int element = -1;
queue.Enqueue(element);
queue.Dequeue();
bool isEmptyResult = queue.IsEmpty();
Assert.IsTrue(isEmptyResult);
}
public void EnqueueTwoElement_Dequeue_ReturnsFirstElement()
{
dllQueue <int> queue = new dllQueue <int>();
int firstElement = 1;
int secElement = 2;
queue.Enqueue(firstElement);
queue.Enqueue(secElement);
int dequeueElement = queue.Dequeue();
Assert.AreEqual(firstElement, dequeueElement);
}
public void EnqueueTwoElements_DequeueOnce_IsEmpty_ReturnsFalse()
{
dllQueue <int> queue = new dllQueue <int>();
int firstElement = 1;
int secElement = 2;
queue.Enqueue(firstElement);
queue.Enqueue(secElement);
queue.Dequeue();
bool isEmptyRes = queue.IsEmpty();
Assert.IsFalse(isEmptyRes);
}
public void Enqueue100Elements_DequeueOnec_ReturnFirstElement()
{
int size = 100;
int[] elements = new int[size];
dllQueue <int> queue = new dllQueue <int>();
for (int i = 0; i < size; i++)
{
elements[i] = i;
queue.Enqueue(elements[i]);
}
int dequeueElement = queue.Dequeue();
Assert.AreEqual(elements[0], dequeueElement);
}
public void Enqueue100Elements_DequeueAllElements_AllElementsAreEqual()
{
int size = 100;
int[] elements = new int[size];
dllQueue <int> queue = new dllQueue <int>();
for (int i = 0; i < size; i++)
{
elements[i] = i;
queue.Enqueue(elements[i]);
}
int[] dequeueArray = new int[size];
for (int i = 0; i < size; i++)
{
dequeueArray[i] = queue.Dequeue();
}
CollectionAssert.AreEqual(elements, dequeueArray);
}
public void EmptyQueue_Dequeue_ThrowsException()
{
dllQueue <int> queue = new dllQueue <int>();
queue.Dequeue();
}
