public void removeElement_whenFound(IDeque <SimpleLinkedValue> deque)
{
SimpleLinkedValue first = deque.Peek();
Assert.That(deque.Remove(first), Is.True);
Assert.That(deque, HasCount((int)Capacity() - 1));
Assert.That(deque.Contains(first), Is.False);
}
public void dequeue_whenPopulated(IDeque <SimpleLinkedValue> deque)
{
SimpleLinkedValue first = deque.Peek();
Assert.That(deque.Dequeue(), Is.SameAs(first));
Assert.That(deque, HasCount((int)Capacity() - 1));
Assert.That(deque.Contains(first), Is.False);
}
public void add_whenPopulated(IDeque <SimpleLinkedValue> deque)
{
SimpleLinkedValue value = new SimpleLinkedValue((int)Capacity());
deque.Add(value);
Assert.That(deque.Peek(), Is.Not.SameAs(value));
Assert.That(deque, HasCount((int)Capacity() + 1));
}
public void add_whenEmpty(IDeque <SimpleLinkedValue> deque)
{
SimpleLinkedValue value = new SimpleLinkedValue(1);
deque.Add(value);
Assert.That(deque.Peek(), Is.SameAs(value));
Assert.That(deque, HasCount(1));
}
public void peek_whenPopulated(LinkedDeque <SimpleLinkedValue> deque)
{
SimpleLinkedValue first = deque.first;
Assert.That(deque.Peek(), Is.SameAs(first));
Assert.That(deque.first, Is.SameAs(first));
Assert.That(deque.Count, Is.EqualTo((int)Capacity()));
Assert.That(deque.Contains(first), Is.True);
}
public void removeElement_toEmpty(LinkedDeque <SimpleLinkedValue> deque)
{
while (!deque.IsEmpty)
{
SimpleLinkedValue value = deque.Peek();
Assert.That(deque.Remove(value), Is.True);
Assert.That(deque.Contains(value), Is.False);
}
Assert.That(deque, emptyCollection <SimpleLinkedValue>());
}
public void contains_whenNotFound(LinkedDeque <SimpleLinkedValue> deque)
{
SimpleLinkedValue unlinked = new SimpleLinkedValue(1);
Assert.That(deque.Contains(unlinked), Is.False);
}