public void Left_command_should_move_robot_in_north_to_west()
{
var originalPos = new SurfaceCoordinate {
X_Position = 0, Y_Position = 0
};
var robotPosition = new RobotPosition(Direction.NORTH, originalPos);
var param = new LeftCommandParam();
var cmd = new LeftCommand(param);
RobotPosition actualPosition = null;
var actual = cmd.GetCommandResult(robotPosition, out actualPosition);
var expectedCoordinate = new SurfaceCoordinate {
X_Position = 0, Y_Position = 0
};
Assert.AreEqual <Direction>(Direction.WEST, actualPosition.Direction);
Assert.AreEqual <SurfaceCoordinate>(expectedCoordinate, actualPosition.Coordinate);
}
