public void InorderSuccessor_1()
{
var root = TestHelper.GenerateTree(new int?[] { 2, 1, 3 });
var solution = new _0285_InorderSuccessorInBST();
var result = solution.InorderSuccessor(root, root.left);
Assert.AreEqual(2, result.val);
}
public void InorderSuccessor_2()
{
var root = TestHelper.GenerateTree(new int?[] { 5, 3, 6, 2, 4, null, null, 1 });
var solution = new _0285_InorderSuccessorInBST();
var result = solution.InorderSuccessor(root, root.right);
Assert.IsNull(result);
}
