public void WhenCalledToActThenReturnsAPositionHigherOnGrid()
        {
            var forwardInstruction = new ForwardInstruction();

            var newPosition = forwardInstruction.TransformPosition(this.validPosition);

            Assert.AreEqual(0, newPosition.X);
            Assert.AreEqual(1, newPosition.Y);
        }
        public void HaveTheCorrectCommand()
        {
            var forwardInstruction = new ForwardInstruction();

            Assert.AreEqual('F', forwardInstruction.Command);
        }
        public void WhenCalledToActThenDoesNotAlterOrientation()
        {
            var forwardInstruction = new ForwardInstruction();

            var newPosition = forwardInstruction.TransformPosition(this.validPosition);

            Assert.AreEqual(this.validPosition.Orientation, newPosition.Orientation);
        }