def test_valid(self):
d = Dist(2)
self.assertFalse(d.valid())
d[0] = 2
self.assertTrue(d.valid())
d[1] = 2
self.assertTrue(d.valid())
d[0] = 0
self.assertTrue(d.valid())
d[1] = 0
self.assertFalse(d.valid())
def test_valid(self):
d = Dist(2)
self.assertFalse(d.valid())
d[0] = 2
self.assertTrue(d.valid())
d[1] = 2
self.assertTrue(d.valid())
d[0] = 0
self.assertTrue(d.valid())
d[1] = 0
self.assertFalse(d.valid())
def test_tick(self):
d = Dist(2)
self.assertEqual(1, d.tick(0))
self.assertEqual(2, d.tick(0))
self.assertEqual(2, d.counts())
self.assertTrue(d.valid())
def test_tick(self):
d = Dist(2)
self.assertEqual(1, d.tick(0))
self.assertEqual(2, d.tick(0))
self.assertEqual(2, d.counts())
self.assertTrue(d.valid())
def test_entropy_invalid_dist(self):
d = Dist(5)
self.assertFalse(d.valid())
self.assertTrue(isnan(entropy(d)))