public void TestSample() {
Sample sample = new Sample();
Assert.IsTrue(sample.GetSample() < 0.0);
sample.AddSample(DateTime.UtcNow, (double) 100.0, new Point(), (double) 0.001);
sample.AddSample(DateTime.UtcNow, (double) 100.0, new Point(), (double) 0.002);
sample.AddSample(DateTime.UtcNow, (double) 100.0, new Point(), (double) 0.003);
sample.AddSample(DateTime.UtcNow, (double) 100.0, new Point(), (double) 0.004);
Assert.IsTrue(sample.GetSample() > 0.0);
}