public void Dequeue_ValidInput_ValidCapacityAndSizeAndEnumerationOrderAfterResizing()
{
var elements = Enumerable.Range(1, 11).ToArray();
var q = new CustomQueue.Queue <int>();
foreach (int element in elements)
{
q.Enqueue(element);
}
q.Dequeue();
q.Dequeue();
q.Dequeue();
var zip = elements.Skip(3).Zip(q, (fromElements, fromQueue) => new { fromElements, fromQueue });
foreach (var value in zip)
{
if (value.fromElements != value.fromQueue)
{
Assert.Fail("Not valid elements");
}
}
if (q.Size != 8)
{
Assert.Fail($"Not valid size. Actual = {q.Size}");
}
if (q.Capacity != 16)
{
Assert.Fail($"Not valid capacity. Actual = {q.Capacity}");
}
}
public void Enumeration_DequeueInForeach_ThrowsInvalidOperationExc()
{
var q = new CustomQueue.Queue <int>(Enumerable.Range(1, 11));
Assert.Throws <InvalidOperationException>(
() =>
{
foreach (int _ in q)
{
q.Dequeue();
}
});
}
public void EnqueueDequeue_SavesOrder()
{
var elements = Enumerable.Range(1, 20).ToArray();
var q = new CustomQueue.Queue <int>();
foreach (int element in elements)
{
q.Enqueue(element);
}
foreach (int element in elements)
{
if (element != q.Dequeue())
{
Assert.Fail();
}
}
Assert.That(q.IsEmpty());
}