public void Can_Get_Nodes_Count_Of_Many()
{
int[] array = { 9, 5, 1, 14, 6 };
var tree = new BinaryTree();
tree.Init(array);
Assert.AreEqual(3, tree.Nodes());
}
public void Can_Get_Nodes_Count_Of_1()
{
var tree = new BinaryTree();
tree.Add(7);
Assert.AreEqual(0, tree.Nodes());
}
public void Can_Get_Nodes_Count_Of_2()
{
int[] array = { 5, 9 };
var tree = new BinaryTree();
tree.Init(array);
Assert.AreEqual(1, tree.Nodes());
}
public void Can_Get_Nodes_Count_Of_0()
{
var tree = new BinaryTree();
Assert.Throws<ArgumentNullException>(() => tree.Nodes());
}
