def test_construct_from_matrix():
matrix = [[0,1,2],
[1,2,0],
[2,0,1]]
G = group.from_matrix(matrix)
for i,row in enumerate(matrix):
for j,element in enumerate(row):
assert matrix[i][j] == G.operator_dict[i][j]
def test_group_access():
matrix = [[0,1,2],
[1,2,0],
[2,0,1]]
G = group.from_matrix(matrix)
assert G[0].name == 0
assert G[1].name == 1
assert G[2].name == 2
