@Test
public strictfp void testSingle() {
ListStatistics s = new ListStatistics();
s.addValue(42.0D);
Assert.assertEquals(1, s.getN());
Assert.assertEquals(42.0D, s.getSum());
Assert.assertEquals(42.0D, s.getMin());
Assert.assertEquals(42.0D, s.getMax());
Assert.assertEquals(42.0D, s.getMean());
Assert.assertEquals(Double.NaN, s.getMeanErrorAt(0.5));
Assert.assertEquals(Double.NaN, s.getVariance());
Assert.assertEquals(Double.NaN, s.getStandardDeviation());
Assert.assertEquals(Double.NaN, s.getConfidenceIntervalAt(0.50)[0]);
Assert.assertEquals(Double.NaN, s.getConfidenceIntervalAt(0.50)[1]);
Assert.assertEquals(42.0D, s.getPercentile(0));
Assert.assertEquals(42.0D, s.getPercentile(100));
}
@Test
public strictfp void testPercentile_100() {
assertEquals(96.667, instance.getPercentile(100), 0.002);
}
@Test
public strictfp void testPercentile_50() {
assertEquals(56.460, instance.getPercentile(50), 0.002);
}
@Test
public strictfp void testPercentile_90() {
assertEquals(93.044, instance.getPercentile(90), 0.002);
}
@Test
public strictfp void testPercentile_00() {
assertEquals(2.345, instance.getPercentile(0), 0.002);
}
