public void TestRandomRestartHillClimberIncrementingRestartPoint()
{
comparer = new MaximizingComparer <TestIntegerEvaluableState>();
generator = new TestExponentialIntegerSuccessorGenerator();
var climberConfiguration = new ClimberConfiguration <TestIntegerEvaluableState, int>()
.ComparesUsing(comparer)
.GeneratesSuccessorsWith((c) => generator.GetSuccessors(c));
randomizer = new TestIntegerRandomizerSimulator();
climber = new RandomRestartHillClimber <TestIntegerEvaluableState, int>(5, randomizer, climberConfiguration);
RunTest(climber, 1, 10000);
}
public void TestRandomRestartHillClimberSameRestartPointEachTime()
{
comparer = new MaximizingComparer <TestIntegerEvaluableState>();
generator = new TestLinearIntegerSuccessorGenerator();
randomizer = new TestIntegerEvaluableStateNonRandomizer();
var climberConfiguration = new ClimberConfiguration <TestIntegerEvaluableState, int>()
.ComparesUsing(comparer)
.GeneratesSuccessorsWith((c) => generator.GetSuccessors(c));
randomizer = new TestIntegerEvaluableStateNonRandomizer();
climber = new RandomRestartHillClimber <TestIntegerEvaluableState, int>(5, randomizer, climberConfiguration);
RunTest(climber, 2, 100);
}
private void RunTest(RandomRestartHillClimber <TestIntegerEvaluableState, int> climber, int initialStateValue, int expectedOptimalValue)
{
TestIntegerEvaluableState initialState = new TestIntegerEvaluableState(initialStateValue);
TestIntegerEvaluableState resultState = new TestIntegerEvaluableState(initialStateValue);
Dictionary <int, Tuple <TestIntegerEvaluableState, TestIntegerEvaluableState> > localWinners = new Dictionary <int, Tuple <TestIntegerEvaluableState, TestIntegerEvaluableState> >();
void OnClimberRestartEvent(object source, ClimberCompleteEvent <TestIntegerEvaluableState, int> e)
{
localWinners[e.CLimberIndex] = new Tuple <TestIntegerEvaluableState, TestIntegerEvaluableState>(e.InitialState, e.OptimizedState);
}
climber.ClimberCompleteEvent += OnClimberRestartEvent;
resultState = climber.Optimize(initialState);
Assert.AreEqual(expectedOptimalValue, resultState.Value);
}
