def testReturnsCopy(self):
"""Test that Shuffle returns a copy,
even if passed an empty or single item collection."""
li = []
self.assertNotEqual(id(it.shuffle(li)), id(li))
li.append(1)
self.assertNotEqual(id(it.shuffle(li)), id(li))
def infolist(zself):
result = old_infolist(zself)
names = [z.filename for z in result]
if names in shuffled:
result = itertoolsext.shuffle(result, 500)
shuffled.append(names)
return result
def testShuffles(self):
"""Test that Shuffle actually shuffles."""
li = range(0, 50)
self.assertNotEqual(it.shuffle(li), li)
self.assertNotEqual(it.shuffle(li), li)
self.assertNotEqual(it.shuffle(li), li)
self.assertNotEqual(it.shuffle(li), li)
self.assertNotEqual(it.shuffle(li), li)
self.assertNotEqual(it.shuffle(li), li)
