public void TC_StripsHeuristic()
{
var sasProblem = new Planner.SAS.Problem(new SASInputData(GetFilePath("TC_Gripper.sas")));
var pddlProblem = new Planner.PDDL.Problem(new PDDLInputData(GetFilePath("TC_Gripper_D.pddl"), GetFilePath("TC_Gripper_P.pddl")));
var heuristic = new StripsHeuristic(sasProblem);
Assert.AreEqual(4, heuristic.GetValue(sasProblem.GetInitialState()));
Assert.AreEqual(4, heuristic.GetValue(new Planner.SAS.State(0, 0, 0, 0, 0, 0, 0)));
Assert.AreEqual(3, heuristic.GetValue(new Planner.SAS.State(1, 0, 0, 0, 0, 0, 0)));
Assert.AreEqual(2, heuristic.GetValue(new Planner.SAS.State(0, 1, 1, 0, 0, 0, 0)));
Assert.AreEqual(0, heuristic.GetValue(new Planner.SAS.State(1, 1, 1, 1, 0, 0, 0)));
Assert.AreEqual(4, heuristic.GetValue(sasProblem.GetGoalConditions()));
Assert.AreEqual(0, heuristic.GetValue(new Planner.SAS.Conditions(new Planner.SAS.Assignment(0, 0))));
Assert.AreEqual(2, heuristic.GetValue(new Planner.SAS.Conditions(new Planner.SAS.Assignment(1, 1), new Planner.SAS.Assignment(2, 1))));
Assert.AreEqual(1, heuristic.GetValue(new Planner.SAS.ConditionsClause(new Planner.SAS.Conditions(new Planner.SAS.Assignment(0, 1), new Planner.SAS.Assignment(1, 1)), new Planner.SAS.Conditions(new Planner.SAS.Assignment(2, 1)))));
Assert.AreEqual(int.MaxValue, heuristic.GetValue(new Planner.SAS.ConditionsContradiction()));
Assert.AreEqual(4, heuristic.GetValue(sasProblem.GetGoalConditions().GetCorrespondingRelativeStates(sasProblem).First()));
Assert.AreEqual("STRIPS Heuristic", heuristic.GetName());
Assert.AreEqual(11, heuristic.GetCallsCount());
var data = new PDDLInputData(GetFilePath("TC_Gripper_D.pddl"), GetFilePath("TC_Gripper_P.pddl"));
Planner.PDDL.IdManager idManager = new Planner.PDDL.IdManager(data);
Planner.PDDL.PrimitivesFactory factory = new Planner.PDDL.PrimitivesFactory(idManager);
Planner.PDDL.GroundingManager groundingManager = new Planner.PDDL.GroundingManager(data, idManager);
Planner.PDDL.EvaluationManager evaluationManager = new Planner.PDDL.EvaluationManager(groundingManager, pddlProblem.RigidRelations);
var atPred = factory.CreatePredicate("at", "ball1", "roomb");
var atPred2 = factory.CreatePredicate("at", "ball2", "roomb");
var heuristic2 = new StripsHeuristic(pddlProblem);
Assert.AreEqual(2, heuristic2.GetValue(pddlProblem.GetInitialState()));
Assert.AreEqual(1, heuristic2.GetValue(new Planner.PDDL.State(new HashSet <Planner.PDDL.IAtom> {
atPred
}, null, null, idManager)));
Assert.AreEqual(0, heuristic2.GetValue(new Planner.PDDL.State(new HashSet <Planner.PDDL.IAtom> {
atPred, atPred2
}, null, null, idManager)));
Assert.AreEqual(2, heuristic2.GetValue(pddlProblem.GetGoalConditions()));
Assert.AreEqual(1, heuristic2.GetValue(new Planner.PDDL.Conditions(new Planner.PDDL.PredicateExpression(atPred, idManager), evaluationManager)));
Assert.AreEqual(1, heuristic2.GetValue(new Planner.PDDL.ConditionsCNF(new HashSet <Planner.PDDL.IConjunctCNF> {
new Planner.PDDL.PredicateLiteralCNF(new Planner.PDDL.PredicateExpression(atPred, idManager), false)
}, evaluationManager, null)));
Assert.AreEqual(2, heuristic2.GetValue(pddlProblem.GetGoalConditions().GetCorrespondingRelativeStates(pddlProblem).First()));
Assert.AreEqual("STRIPS Heuristic", heuristic2.GetName());
Assert.AreEqual(7, heuristic2.GetCallsCount());
}
public void TC_HeuristicStatistics()
{
var sasProblem = new Planner.SAS.Problem(new SASInputData(GetFilePath("TC_Gripper.sas")));
var heuristic = new StripsHeuristic(sasProblem);
Assert.AreEqual(4, heuristic.GetValue(new Planner.SAS.State(0, 0, 0, 0, 0, 0, 0)));
Assert.AreEqual(3, heuristic.GetValue(new Planner.SAS.State(1, 0, 0, 0, 0, 0, 0)));
Assert.AreEqual(2, heuristic.GetValue(new Planner.SAS.State(0, 1, 1, 0, 0, 0, 0)));
Assert.AreEqual(0, heuristic.GetValue(new Planner.SAS.State(1, 1, 1, 1, 0, 0, 0)));
Assert.AreEqual(0, heuristic.Statistics.BestHeuristicValue);
Assert.AreEqual(4, heuristic.Statistics.HeuristicCallsCount);
Assert.AreEqual(9, heuristic.Statistics.SumOfHeuristicValues);
Assert.AreEqual(2.25, heuristic.Statistics.AverageHeuristicValue);
}
