def test_del_edge(node, result):
    """Test to check the deleted edges aren't there."""
    from simple_graph import Graph
    g = Graph()
    for idx in node:
        g.add_node(idx)
    g.add_edge(2, 3)
    g.add_edge(1, 4)
    assert g.del_edge(1, 4) == result
def test_del_edge(key, value):
    from simple_graph import Graph
    new_graph = Graph()
    new_graph.add_edge(key, value)
    new_graph.del_edge(key, value)
    assert new_graph.node_map[key][value] == 0
def test_del_edge(key, value):
    from simple_graph import Graph
    new_graph = Graph()
    new_graph.add_edge(key, value)
    new_graph.del_edge(key, value)
    assert new_graph.node_map[key][value] == 0