/** Test of getVariance method, of class GeneralDiscrete. */
@Test
public void testpdf() {
System.out.println("test pdf");
Map<Integer, Double> pdf = new HashMap<Integer, Double>(2);
pdf.put(1, 0.5);
pdf.put(3, 0.5);
GeneralDiscrete dist = new GeneralDiscrete(pdf);
assertEquals(0.5, dist.pmf(1), 0.000001);
assertEquals(0.5, dist.pmf(3), 0.000001);
assertEquals(0, dist.pmf(2), 0.000001);
assertEquals(0, dist.pmf(5), 0.000001);
assertEquals(0, dist.pmf(4), 0.000001);
assertEquals(0, dist.pmf(0), 0.000001);
}
