public void CorrectMeans()
{
const int numScores = 4;
const int numObjectives = 3;
MpiObjectiveScores[] scores = new MpiObjectiveScores[numScores];
double[] expectedMeans = new double[numObjectives];
for (int i = 0; i < numScores; i++)
{
IObjectiveScore[] objectives = new IObjectiveScore[numObjectives];
for (int j = 0; j < numObjectives; j++)
{
double fs = FakeScore(i + j);
expectedMeans[j] += fs;
objectives[j] = new DoubleObjectiveScore(String.Format("{0}-{1}", i, j), fs, true);
}
scores[i] = new MpiObjectiveScores(objectives, config);
}
for (int i = 0; i < numObjectives; i++)
{
expectedMeans[i] /= numScores;
}
var result = ObjectiveScoresHelper.Mean(scores, config);
for (int i = 0; i < numObjectives; i++)
{
Assert.That((double)result.GetObjective(i).ValueComparable, Is.EqualTo(expectedMeans[i]).Within(1e-8));
}
}
public void ArgumentNullExceptions()
{
ArgumentNullException e = Assert.Throws <ArgumentNullException>(() => ObjectiveScoresHelper.Mean(null, config));
Assert.AreEqual(e.ParamName, "scoresArray");
e = Assert.Throws <ArgumentNullException>(() => ObjectiveScoresHelper.Mean(new MpiObjectiveScores[3], null));
Assert.AreEqual(e.ParamName, "sysConfig");
}
public void CorrectObjectiveCount()
{
const int objectivesPerScore = 12;
const int numScores = 305;
var randomScores = CreateRandomScores(numScores, objectivesPerScore);
IObjectiveScores result = ObjectiveScoresHelper.Mean(randomScores, config);
Assert.That(result.ObjectiveCount, Is.EqualTo(objectivesPerScore));
}
public void CorrectObjectiveNames()
{
const int objectivesPerScore = 3;
const int numScores = 3;
var randomScores = CreateRandomScores(numScores, objectivesPerScore);
IObjectiveScores result = ObjectiveScoresHelper.Mean(randomScores, config);
for (int i = 0; i < objectivesPerScore; i++)
{
Assert.That(result.GetObjective(i).Name, Is.EqualTo(randomScores[0].GetObjective(i).Name));
}
}