ctor.setAccessible(true);
Histogram histogram = (Histogram)ctor.newInstance(new UniformSample(1024 * 500));
for (int i = 0; i < 100; i++) {
histogram.update(rrt.getValueLength(null));
}
double stddev = histogram.stdDev();
assertTrue(stddev != 0 && stddev != 1.0);
assertTrue(histogram.stdDev() != 0);
Snapshot snapshot = histogram.getSnapshot();
double median = snapshot.getMedian();
assertTrue(median != 0 && median != 1 && median != valueSize);