public static void Stepper_Testing <TQueue>()
where TQueue : IQueue <int>, new()
{
{ // enqueue only
int[] values = { 0, 1, 2, 3, 4, 5, };
IQueue <int> queue = new TQueue();
values.Stepper(i => queue.Enqueue(i));
Assert.IsTrue(queue.Count == values.Length);
ISet <int> set = SetHashLinked.New <int>();
values.Stepper(i => set.Add(i));
queue.Stepper(i =>
{
Assert.IsTrue(set.Contains(i));
set.Remove(i);
});
Assert.IsTrue(set.Count == 0);
}
{ // enqueue + dequeue
int[] values = { 0, 1, 2, 3, 4, 5, };
int[] expectedValues = { 2, 3, 4, 5, };
IQueue <int> queue = new TQueue();
values.Stepper(i => queue.Enqueue(i));
queue.Dequeue();
queue.Dequeue();
Assert.IsTrue(queue.Count == expectedValues.Length);
ISet <int> set = SetHashLinked.New <int>();
expectedValues.Stepper(i => set.Add(i));
queue.Stepper(i =>
{
Assert.IsTrue(set.Contains(i));
set.Remove(i);
});
Assert.IsTrue(set.Count == 0);
}
{ // enqueue + dequeue
int[] values = { 0, 1, 2, 3, 4, 5, };
IQueue <int> queue = new TQueue();
values.Stepper(i => queue.Enqueue(i));
values.Stepper(i =>
{
queue.Dequeue();
queue.Enqueue(i);
});
Assert.IsTrue(queue.Count == values.Length);
ISet <int> set = SetHashLinked.New <int>();
values.Stepper(i => set.Add(i));
queue.Stepper(i =>
{
Assert.IsTrue(set.Contains(i));
set.Remove(i);
});
Assert.IsTrue(set.Count == 0);
}
}