public void Given_an_list_when_swap_then_should_swaped_in_pairs() { var head = InitNodeHead(); var swapNodes = new SwapNodes(); var result = swapNodes.SwapNodesInPairs(head); Assert.Equal(2, result.Val); Assert.Equal(1, result.Next.Val); Assert.Equal(4, result.Next.Next.Val); Assert.Equal(3, result.Next.Next.Next.Val); }
public void swapNodesTest0() { /* * 3 * 2 3 * -1 -1 * -1 -1 * 2 * 1 * 1 */ string[] input = new string[] { "3", "2 3", "-1 -1", "-1 -1", "2", "1", "1" }; int n = Convert.ToInt32(input[0]); int[][] indexes = new int[n][]; for (int indexesRowItr = 0; indexesRowItr < n; indexesRowItr++) { indexes[indexesRowItr] = Array.ConvertAll(input[indexesRowItr + 1].Split(' '), indexesTemp => Convert.ToInt32(indexesTemp)); } int queriesCount = Convert.ToInt32(input[n + 1]); int[] queries = new int[queriesCount]; for (int queriesItr = 0; queriesItr < queriesCount; queriesItr++) { int queriesItem = Convert.ToInt32(input[queriesItr + n + 2]); queries[queriesItr] = queriesItem; } int[][] result = SwapNodes.swapNodes(indexes, queries); /* * 3 1 2 * 2 1 3 */ Assert.AreEqual("3 1 2", string.Join(" ", result[0])); Assert.AreEqual("2 1 3", string.Join(" ", result[1])); }