def test_no_sideeffect(self):
xs = list(range(10))
ys = list(range(10))
k = q0005.numbering(xs)
self.assertEqual(xs, ys)
for i in range(10):
self.assertEqual((i, i), k[i])
def test_justOne(self):
self.assertEqual([(0, 'Zero')], q0005.numbering(['Zero']))
def test_count(self):
k = q0005.numbering(list(range(1000)))
self.assertEqual(1000, len(k))
for i in range(1000):
self.assertEqual((i, i), k[i])
def test_empty(self):
self.assertEqual([], q0005.numbering([]))