    @Test
    public void testMin() throws Exception {

        SimpleDegree s1 = new SimpleDegree(0.6);
        SimpleDegree s2 = new SimpleDegree(0.3);

        Degree s4 = s1.min(s2);

        assertEquals(new SimpleDegree(0.6),s1);
        assertEquals(new SimpleDegree(0.3),s2);

        assertEquals(s2,s4);
    }