public void Calculate_EmptyTree_ReturnsZero()
{
var expectedValue = 0;
var actualValue = BSTCost.Calculate(null);
Assert.AreEqual(expectedValue, actualValue);
}
public void Calculate_Test3()
{
var root = TestValues1[3];
var value2 = TestValues1[2];
var value3 = TestValues1[0];
var value4 = TestValues1[1];
var bst = new BST(root);
bst.Add(value2);
bst.Add(value3);
bst.Add(value4);
var expectedValue = 63;
var calculatedValue = BSTCost.Calculate(bst);
Assert.AreEqual(expectedValue, calculatedValue);
}