def test_conjugacy_classes():
S = SymmetricGroup(3)
expected = [
set([Permutation(size=3)]),
set([Permutation(0, 1, size=3), Permutation(0, 2), Permutation(1, 2)]),
set([Permutation(0, 1, 2), Permutation(0, 2, 1)]),
]
computed = S.conjugacy_classes()
assert len(expected) == len(computed)
assert all(e in computed for e in expected)
