public void Scale_NormalCase_ReturnsScale()
{
mtg tree = new mtg();
tree.scale.Add(1, 1);
tree.scale.Add(2, 1);
tree.scale.Add(3, 2);
tree.scale.Add(4, 2);
// Verify that the mapping is correct.
Assert.AreEqual(tree.Scale(0), 0);
Assert.AreEqual(tree.Scale(1), 1);
Assert.AreEqual(tree.Scale(2), 1);
Assert.AreEqual(tree.Scale(3), 2);
Assert.AreEqual(tree.Scale(4), 2);
}
public void Scale_VertexDoesntExist_ReturnsNull()
{
mtg tree = new mtg();
Assert.IsNull(tree.Scale(1));
}
