public void TestEntropyEstimation()
{
BioRandom random = new BioRandom();
random.AddPoint(100, 100);
random.AddPoint(200, 200);
int entropy = random.Entropy;
Assert.That(entropy, Is.GreaterThan(0));
random.AddPoint(200, 200);
Assert.That(random.Entropy, Is.EqualTo(entropy));
random.AddPoint(300, 200);
Assert.That(random.Entropy, Is.GreaterThan(entropy));
entropy = random.Entropy;
random.AddPoint(300, 300);
Assert.That(random.Entropy, Is.GreaterThan(entropy));
entropy = random.Entropy;
random.AddPoint(200, 300);
Assert.That(random.Entropy, Is.GreaterThan(entropy));
entropy = random.Entropy;
random.AddPoint(200, 200);
Assert.That(random.Entropy, Is.GreaterThan(entropy));
byte[] material = random.CreateSeedMaterial();
Assert.That(material.Length, Is.EqualTo(64));
Assert.That(material.Count(b => b != 0), Is.GreaterThan(32));
Assert.That(random.Entropy, Is.EqualTo(0));
}
public void TestDifferentInputs()
{
BioRandom random2 = new BioRandom();
BioRandom random1 = new BioRandom();
random1.AddPoint(100, 100);
random2.AddPoint(100, 100);
random1.AddPoint(200, 200);
random2.AddPoint(300, 300);
byte[] material1 = random1.CreateSeedMaterial();
byte[] material2 = random2.CreateSeedMaterial();
Assert.That(material1.Length, Is.EqualTo(64));
Assert.That(material1.Count(b => b != 0), Is.GreaterThan(32));
Assert.That(material2.Length, Is.EqualTo(64));
Assert.That(material2.Count(b => b != 0), Is.GreaterThan(32));
int matchCount = 0;
for (int i = 0; i < material1.Length; i++)
{
if (material1[i] == material2[i])
{
matchCount++;
}
}
Assert.That(matchCount, Is.LessThan(16));
}