public void Dequeue_Test()
{
IQueue <char> queue = new QueueViaArray <char>(5);
queue.Enqueue('A');
queue.Enqueue('B');
queue.Enqueue('C');
queue.Enqueue('D');
queue.Enqueue('E');
queue.IsEmpty.Should().BeFalse();
queue.IsFull.Should().BeTrue();
queue.Count.Should().Be(5);
queue.Dequeue().Should().Be('A');
queue.Count.Should().Be(4);
queue.Dequeue().Should().Be('B');
queue.Count.Should().Be(3);
queue.Dequeue().Should().Be('C');
queue.Count.Should().Be(2);
queue.Dequeue().Should().Be('D');
queue.Count.Should().Be(1);
queue.Dequeue().Should().Be('E');
queue.Count.Should().Be(0);
Action act = () => queue.Dequeue();
act.Should().Throw <IndexOutOfRangeException>()
.WithMessage("Queue is empty.");
}
public void Enqueue_Test()
{
IQueue <char> queue = new QueueViaArray <char>(5);
queue.Enqueue('A');
queue.Enqueue('B');
queue.Enqueue('C');
queue.Enqueue('D');
queue.Enqueue('E');
queue.IsEmpty.Should().BeFalse();
queue.IsFull.Should().BeTrue();
queue.Count.Should().Be(5);
}