def test_change_base_redundancy(self):
cf = lambda x: Permutation.read_cycle_form(x,6)
a = cf([[1,2,3,4],[5,6]])
b = cf([[1,2]])
G = PermGroup([a,b])
G.change_base([5,6,1,2,3,4])
self.assertEqual(G.base[:4],[5,6,1,2])
def test_change_base(self):
cf = Permutation.read_cycle_form
a = cf([[2,3],[4,6],[5,8],[9,11]], 13)
b = cf([[1,2,4,7,9,3,5,6,8,10,11,12,13]], 13)
G = PermGroup([a,b])
G.change_base([1,3])
self.assertEqual(G.base[:2], [1,3])
