public int FindMergeNode_ForTwoLists_ReturnsDataFromFirstSharedNode(
int[] firstIndices,
int[] secondIndices,
int[] sharedIndices
)
{
TestSinglyLinkedList onlyFirst = SinglyLinkedListHelper.CreateLinkedList(firstIndices);
TestSinglyLinkedList onlySecond = SinglyLinkedListHelper.CreateLinkedList(secondIndices);
TestSinglyLinkedList onlyShared = SinglyLinkedListHelper.CreateLinkedList(sharedIndices);
SinglyLinkedListNode firstHead = ConcatLists(onlyFirst, onlyShared);
SinglyLinkedListNode secondHead = ConcatLists(onlySecond, onlyShared);
return(MergePoint.FindMergeNode(firstHead, secondHead));
}
private static SinglyLinkedListNode ConcatLists(TestSinglyLinkedList first, TestSinglyLinkedList second)
{
SinglyLinkedListHelper.JoinNodes(new[] { first.Last, second.Head });
return(first.Head);
}