public void AddCreature_GetBestCreatures(int size, int seed)
{
//arrange
NewBestCretureFoundEventDelegate <FakeCreature> newBestFound = (_, __) => { };
RatedCreature <FakeCreature> foreFather = new RatedCreature <FakeCreature>(new FakeCreature(-1), -1);
DisposedCreaturesStore <FakeCreature> disposedCreatures = new DisposedCreaturesStore <FakeCreature>();
DefaultSelector <FakeCreature> selector
= new DefaultSelector <FakeCreature>(newBestFound, foreFather, size, disposedCreatures);
RandomEnum rndE = new RandomEnum(seed);
List <RatedCreature <FakeCreature> > insertedCreatures = new List <RatedCreature <FakeCreature> >();
int limit = size * 10;
insertedCreatures.Add(foreFather);
foreach (var num in rndE)
{
if (--limit < 0)
{
break;
}
insertedCreatures.Add(new RatedCreature <FakeCreature>(new FakeCreature(num), num));
}
//act
foreach (var creature in insertedCreatures)
{
selector.AddCreature(creature);
}
//Assert
insertedCreatures.Sort((x, y) => y.CompareTo(x));
var expected = insertedCreatures.Take(size).ToList();
var actual =
(from cr in selector.GetSurvivingCreatures()
orderby cr.FitnessValue descending
select cr).ToList();
Assert.AreEqual(expected.Count, actual.Count);
for (int i = 0; i < actual.Count; i++)
{
Assert.AreEqual(expected[i].FitnessValue, actual[i].FitnessValue);
}
}