public void oneArray()
{
int[] inputArray = new int[] { 5 };
MBT mbt = new MBT();
TreeNode node = new TreeNode();
TreeNode expectedNode = new TreeNode(5);
node = mbt.construct(inputArray, 0, 1);
Assert.AreEqual(expectedNode.val, node.val);
}
public void twoArray()
{
int[] inputArray = new int[] { 3, 5 };
MBT mbt = new MBT();
TreeNode node = new TreeNode();
TreeNode expectedNode = new TreeNode(5);
expectedNode.left = new TreeNode(3);
node = mbt.construct(inputArray, 0, 2);
Assert.AreEqual(expectedNode.val, node.val);
Assert.AreEqual(expectedNode.left.val, node.left.val);
}