def METHOD_NAME():
    point_list = [[0, 0], [1, 0], [0, 1], [1, 1]]
    rips_complex = RipsComplex(points=point_list, max_edge_length=42)
    simplex_tree = rips_complex.create_simplex_tree(max_dimension=1)
    assert simplex_tree._is_defined() == True
    assert simplex_tree._is_persistence_defined() == False
    assert simplex_tree.num_simplices() == 10
    assert simplex_tree.num_vertices() == 4
    assert list(simplex_tree.get_filtration()) == [
        ([0], 0.0),
        ([1], 0.0),
        ([2], 0.0),
        ([3], 0.0),
        ([0, 1], 1.0),
        ([0, 2], 1.0),
        ([1, 3], 1.0),
        ([2, 3], 1.0),
        ([1, 2], 1.4142135623730951),
        ([0, 3], 1.4142135623730951),
    ]
    assert simplex_tree.get_star([0]) == [
        ([0], 0.0),
        ([0, 1], 1.0),
        ([0, 2], 1.0),
        ([0, 3], 1.4142135623730951),
    ]
    assert simplex_tree.get_cofaces([0], 1) == [
        ([0, 1], 1.0),
        ([0, 2], 1.0),
        ([0, 3], 1.4142135623730951),
    ]