public void GetStateAfterLeftTurn_ShouldReturnCorrectNewState()
{
var originalState = new LawnMowerState(new Position(5, 10), Direction.East);
var expectedNewState = new LawnMowerState(new Position(5, 10), Direction.North);
var newState = originalState.GetStateAfterLeftTurn();
newState
.Should()
.Be(expectedNewState);
}
private LawnMowerState PerformCommand(
LawnMowerState state,
LawnMowerCommand command)
{
switch (command)
{
case LawnMowerCommand.TurnRight:
return(state.GetStateAfterRightTurn());
case LawnMowerCommand.TurnLeft:
return(state.GetStateAfterLeftTurn());
case LawnMowerCommand.MoveForward:
return(state.GetStateAfterMoveForward());
default:
throw new UnknownLawnMowerCommandException();
}
}