public void ReportsCorrectly()
{
var toyRobot = new ToyRobot();
toyRobot.Command("PLACE 1,2,N");
var output = toyRobot.Command("REPORT");
Assert.AreEqual(output, "I'm sitting at X: 1, Y: 2, facing North and feeling great. Thanks for asking!");
}
public void CommandBeforePlaceThrowsException()
{
var toyRobot = new ToyRobot();
Assert.Throws <InvalidCommandException>(() => toyRobot.Command("MOVE"));
Assert.Throws <InvalidCommandException>(() => toyRobot.Command("LEFT"));
Assert.Throws <InvalidCommandException>(() => toyRobot.Command("RIGHT"));
Assert.Throws <InvalidCommandException>(() => toyRobot.Command("REPORT"));
}
public void TurnsRightCorrectly()
{
var toyRobot = new ToyRobot();
toyRobot.Command("PLACE 0,0,N");
toyRobot.Command("RIGHT");
Assert.AreEqual(toyRobot.Direction, Direction.East);
toyRobot.Command("RIGHT");
Assert.AreEqual(toyRobot.Direction, Direction.South);
toyRobot.Command("RIGHT");
Assert.AreEqual(toyRobot.Direction, Direction.West);
toyRobot.Command("RIGHT");
Assert.AreEqual(toyRobot.Direction, Direction.North);
}
public void PlacesCorrectly()
{
var toyRobot = new ToyRobot();
toyRobot.Command("PLACE 1,2,N");
Assert.AreEqual(toyRobot.X, 1);
Assert.AreEqual(toyRobot.Y, 2);
Assert.AreEqual(toyRobot.Direction, Direction.North);
toyRobot.Command("PLACE 3,2,S");
Assert.AreEqual(toyRobot.X, 3);
Assert.AreEqual(toyRobot.Y, 2);
Assert.AreEqual(toyRobot.Direction, Direction.South);
toyRobot.Command("PLACE 2,1,E");
Assert.AreEqual(toyRobot.X, 2);
Assert.AreEqual(toyRobot.Y, 1);
Assert.AreEqual(toyRobot.Direction, Direction.East);
toyRobot.Command("PLACE 0,1,W");
Assert.AreEqual(toyRobot.X, 0);
Assert.AreEqual(toyRobot.Y, 1);
Assert.AreEqual(toyRobot.Direction, Direction.West);
}
public void MoveOffTableIsPrevented()
{
var toyRobot = new ToyRobot();
// Check the top of the table
toyRobot.Command("PLACE 0,0,N");
Assert.Throws <InvalidCommandException>(() => toyRobot.Command("MOVE"));
// Check the bottom of the table
toyRobot.Command("PLACE 0,4,S");
Assert.Throws <InvalidCommandException>(() => toyRobot.Command("MOVE"));
// Check the left of the table
toyRobot.Command("PLACE 0,0,W");
Assert.Throws <InvalidCommandException>(() => toyRobot.Command("MOVE"));
// Check the right of the table
toyRobot.Command("PLACE 4,0,E");
Assert.Throws <InvalidCommandException>(() => toyRobot.Command("MOVE"));
}
public void MovesInCorrectDirection()
{
var toyRobot = new ToyRobot();
toyRobot.Command("PLACE 0,1,N");
toyRobot.Command("MOVE");
Assert.AreEqual(toyRobot.X, 0);
Assert.AreEqual(toyRobot.Y, 0);
toyRobot.Command("PLACE 0,0,S");
toyRobot.Command("MOVE");
Assert.AreEqual(toyRobot.X, 0);
Assert.AreEqual(toyRobot.Y, 1);
toyRobot.Command("PLACE 0,0,E");
toyRobot.Command("MOVE");
Assert.AreEqual(toyRobot.X, 1);
Assert.AreEqual(toyRobot.Y, 0);
toyRobot.Command("PLACE 1,0,W");
toyRobot.Command("MOVE");
Assert.AreEqual(toyRobot.X, 0);
Assert.AreEqual(toyRobot.Y, 0);
}
public void PlaceOffTableThrowsException()
{
var toyRobot = new ToyRobot();
Assert.Throws <InvalidCommandException>(() => toyRobot.Command("PLACE 10,10,N"));
}
public void InvalidCommandThrowsException()
{
var toyRobot = new ToyRobot();
Assert.Throws <InvalidCommandException>(() => toyRobot.Command("THIS IS NOT A COMMAND"));
}
