public void TestMethod1(int[] head, int k, int[] expected)
{
// Arrange
RotateList question = new RotateList();
ListNode headList = null;
if (head != null && head.Length > 0)
{
headList = new ListNode(head[0]);
ListNode node = headList;
for (int i = 1; i < head.Length; i++)
{
node.next = new ListNode(head[i]);
node = node.next;
}
}
// Act
ListNode actual = question.RotateRight(headList, k);
List <int> actualList = null;
if (actual != null)
{
actualList = new List <int>();
while (actual != null)
{
actualList.Add(actual.val);
actual = actual.next;
}
}
// Assert
CollectionAssert.AreEqual(expected, actualList?.ToArray());
}
public void Given_123_When_rotate_0_Then_123()
{
var list = new ListNode(1)
{
next = new ListNode(2)
{
next = new ListNode(3)
}
};
var result = RotateList.RotateRight(list, 0);
Assert.AreEqual(1, result.val);
Assert.AreEqual(2, result.next.val);
Assert.AreEqual(3, result.next.next.val);
}