@Test
    public void oneChanceShouldBeEqualToAnother(){

        Chance coinToss = new Chance(0.5);
        Chance dieThrow = new Chance( ((double) 1.0)/6);

        assertFalse(dieThrow.equals(coinToss));
        assertEquals(coinToss, new Chance(0.5));

        assertEquals(new Chance(0.5), coinToss.not());
        assertEquals(new Chance(5.0/6), dieThrow.not());

        //assertEquals(new Chance(0.2), new Chance(0.8).not());
    }