public void TestPop()
{
var state = new Turtle.TurtleState(new Vector(2, 2), Math.PI / 4, Colors.Black);
var stack = ImmutableStack<Turtle.TurtleState>.Empty.Push(state);
var turtle = new Turtle(new Vector(0, 0), 0.0, stack, dummy, Colors.Black);
var popped = turtle.Pop();
Assert.AreEqual(popped.Position, state.Position);
Assert.AreEqual(popped.Angle, state.Angle);
Assert.AreEqual(popped.DrawColor, state.DrawColor);
}
public void TestBadPop()
{
var turtle = new Turtle(new Vector(0, 0), 0.0, ImmutableStack<Turtle.TurtleState>.Empty, dummy, Colors.Black);
turtle.Pop();
}