public static void ReverseInPlace_HandlesSingleElement()
{
var head = SinglyLinkedListStringUtil.Create("1");
var expectedHead = SinglyLinkedListStringUtil.Create("1");
var newHead = ReverseSinglyLinkedList.ReverseInPlace(head);
Assert.That(newHead, Is.EqualTo(expectedHead).Using(new SinglyLinkedListEqualityComparer()));
}
public static void ReverseInPlace_BasicExample_ReturnsExpected()
{
var head = SinglyLinkedListStringUtil.Create("1 2 3 4 5");
var expectedHead = SinglyLinkedListStringUtil.Create("5 4 3 2 1");
var newHead = ReverseSinglyLinkedList.ReverseInPlace(head);
Assert.That(newHead, Is.EqualTo(expectedHead).Using(new SinglyLinkedListEqualityComparer()));
}
public static void ReverseInPlace_HandlesNull()
{
Assert.Throws <ArgumentNullException>(() => ReverseSinglyLinkedList.ReverseInPlace(null));
}
