public void GetRandomAgentsBiasFitness_Test() { //Create agents AgentObject agent1 = new CustomAgent(populationManager, new Genome(), 100); AgentObject agent2 = new CustomAgent(populationManager, new Genome(), 300); //Create two species Species species1 = new Species(0, agent1); species1.Members.Add(agent1); species1.Members.Add(agent2); List <AgentObject> resultAgents = populationManager.GetRandomAgentsBiasFitness(1000, species1); //Count values int amountAgents1 = 0; int amountAgents2 = 0; for (int i = 0; i < resultAgents.Count; i++) { if (resultAgents[i] == agent1) { amountAgents1++; } if (resultAgents[i] == agent2) { amountAgents2++; } } Assert.AreEqual(1000, amountAgents1 + amountAgents2); Assert.GreaterOrEqual(amountAgents2, 600); }