using HeuristicLab.Analysis.FitnessLandscape;
using Microsoft.VisualStudio.TestTools.UnitTesting;

namespace UnitTests {
  [TestClass]
  public class InformationAnalysisTest {
    [TestMethod]
    public void TestFeatures() {
      var qualities = new double[] { 1, 2, 1, 3, 2, 4, 2, 1, 1, 2, 4, 4, 3, 1 };
      var ia = new InformationAnalysis(qualities);

      Assert.AreEqual(0.8224, ia.InformationContent[0], 1e-04);
      Assert.AreEqual(0.4603, ia.DensityBasinInformation[0], 1e-04);
      Assert.AreEqual(0.6154, ia.PartialInformationContent[0], 1e-04);
      Assert.AreEqual(0.9008, ia.TotalEntropy[0], 1e-04);
      Assert.AreEqual(2, ia.InformationStability);
      Assert.AreEqual(4.0 / qualities.Length, ia.Diversity, 1e-07);
      Assert.AreEqual(5.0 / (qualities.Length - 1), ia.Regularity, 1e-07);
      Assert.AreEqual(0.4603, ia.PeakDensityBasinInformation.Value, 1e-04);
      Assert.AreEqual(0.8224, ia.PeakInformationContent.Value, 1e-04);
      Assert.AreEqual(0.9008, ia.PeakTotalEntropy.Value, 1e-04);
      Assert.AreEqual(0.7642, ia.SymmetricInformationContent[0], 1e-04);
      Assert.AreEqual(0.2987, ia.SymmetricDensityBasinInformation[0], 1e-04);
      Assert.AreEqual(0.7068, ia.SymmetricTotalEntropy[0], 1e-04);
    }
  }
}