public void MeanTest()
{
TDistribution target;
double actual;
target = new TDistribution(1);
actual = target.Mean;
Assert.IsTrue(Double.IsNaN(actual));
target = new TDistribution(2);
actual = target.Mean;
double expected = 0;
Assert.AreEqual(expected, actual);
target = new TDistribution(3);
actual = target.Mean;
expected = 0;
Assert.AreEqual(expected, actual);
}