public void ReturnValuesInFIFOOrderingAfterModifications()
{
QueueViaStacks <int> queue = CreateQueueViaStacksFromArray(new [] { 9, 6, 1, 2 });
Assert.Equal(9, queue.Peek());
Assert.Equal(9, queue.Remove());
Assert.Equal(6, queue.Remove());
queue.Add(3);
queue.Add(4);
CollectionsEqual(new [] { 1, 2, 3, 4 }, queue);
}
private static void CollectionsEqual(int[] expected, QueueViaStacks <int> actual)
{
Assert.Equal(expected.Length, actual.Count());
foreach (var item in expected)
{
Assert.Equal(item, actual.Remove());
}
}