/// Author: Max Hamulyak
/// Date: 24-06-2015
/// <summary>
/// Given a token, this method builds a <see cref="ConcreteInstruction"/>
/// </summary>
/// <returns>The logic instruction from token.</returns>
/// <param name="token">Token.</param>
private ICondition ParseLogicInstructionFromToken(Token token)
{
ICondition condition;
if (token.Value.StartsWith ("at('")) {
int quoteIndex = token.Value.IndexOf ("'");
String desiredObject = token.Value.Substring (quoteIndex + 1);
desiredObject = desiredObject.TrimEnd ("')".ToCharArray ());
condition = new ConcreteInstruction (ECanInstructions.At, desiredObject);
} else {
switch (token.Value) {
case "left":
condition = new ConcreteInstruction (ECanInstructions.Left);
break;
case "right":
condition = new ConcreteInstruction (ECanInstructions.Right);
break;
case "forward":
condition = new ConcreteInstruction (ECanInstructions.Forward);
break;
case "backward":
condition = new ConcreteInstruction (ECanInstructions.Backward);
break;
default:
condition = null;
break;
}
}
return condition;
}
public void whileLoop3()
{
EOrientation orientation = EOrientation.East;
Robot robot = Robot.Create (orientation, new Map(EDifficulty.Easy));
Solver concreteInstruction1 = new ConcreteInstruction (ECanInstructions.Forward); //A
Solver concreteInstruction2 = new ConcreteInstruction (ECanInstructions.Forward); //A
Solver notInstruction = new ConditionCombo (concreteInstruction1, ELogicOperators.Not); //!A
Solver combo = new ConditionCombo (notInstruction, concreteInstruction2, ELogicOperators.And); // !A && A
ICodeBlock command = new TurnRight ();
WhileLoop whileLoop = new WhileLoop (combo);
whileLoop.addChild (command);
whileLoop.execute (null);
EOrientation actual = robot.orientationEnum;
EOrientation expected = EOrientation.East;
Assert.AreEqual (expected, actual);
}
public void whileLoop4()
{
EOrientation orientation = EOrientation.South;
Robot robot = Robot.Create (orientation, new Map(EDifficulty.Easy));
robot.xPosition = 1;
Solver canForward = new ConcreteInstruction (ECanInstructions.Forward);
ICodeBlock command = new Forward();
WhileLoop whileLoop = new WhileLoop (canForward);
whileLoop.addChild (command);
MainCode mainCode = new MainCode ();
mainCode.addChild (whileLoop);
mainCode.execute ();
int actual = robot.yPosition;
int expected = 2;
Assert.AreEqual (expected, actual);
}
public void whileLoop2()
{
EOrientation orientation = EOrientation.East;
Robot robot = Robot.Create (orientation, new Map(EDifficulty.Easy));
Solver conditions = new ConcreteInstruction (ECanInstructions.Backward);
WhileLoop whileLoop = new WhileLoop (conditions);
bool actual = whileLoop.execute (null);
bool expected = true;
Assert.AreEqual (expected, actual);
}
public void whileLoop1()
{
EOrientation orientation = EOrientation.East;
Robot robot = Robot.Create (orientation, new Map(EDifficulty.Easy));
robot.xPosition = 1;
robot.yPosition = 1;
Solver condition1 = new ConcreteInstruction (ECanInstructions.Right);
Solver condition2 = new ConcreteInstruction (ECanInstructions.Forward);
Solver combo = new ConditionCombo (condition1, condition2, ELogicOperators.Or);
WhileLoop whileLoop = new WhileLoop (combo);
bool actual = whileLoop.execute (null);
bool expected = false;
Assert.AreEqual (expected, actual);
}
public void SolverOr2()
{
Solver leftSolver = new ConcreteInstruction (ECanInstructions.Backward);
Solver rightSolver = new ConcreteInstruction (ECanInstructions.Backward);
Solver combo = new ConditionCombo (leftSolver, rightSolver, ELogicOperators.Or);
EOrientation orientation = EOrientation.East;
Robot robot = Robot.Create (orientation, new Map(EDifficulty.Easy));
bool actual = combo.solve (null);
bool expected = false;
Assert.AreEqual (expected, actual);
}
public void SolverBasic()
{
EOrientation orientation = EOrientation.East;
Robot robot = Robot.Create (orientation, new Map(EDifficulty.Easy));
Solver concreteInstruction = new ConcreteInstruction (ECanInstructions.Forward);
bool actual = concreteInstruction.solve (null);
bool expected = true;
Assert.AreEqual (expected, actual);
}
public void ifStatement2()
{
EOrientation orientation = EOrientation.East;
Robot robot = Robot.Create (orientation, new Map(EDifficulty.Easy));
robot.xPosition = 0;
robot.yPosition = 0;
Solver conditions = new ConcreteInstruction (ECanInstructions.Backward);
ICodeBlock command = new TurnRight ();
IfStatement ifStatement = new IfStatement (conditions);
ifStatement.ElseChildren.Add (command);
ifStatement.execute (null);
EOrientation actual = robot.orientationEnum;
EOrientation expected = EOrientation.South;
Assert.AreEqual (expected, actual);
}