def test_is_leaf_false(): t = Tree(0) t.add_child(Tree(1)) nt.ok_(not is_leaf(t))
def test_is_leaf_false(): t = Tree(0) t.add_child(Tree(1)) nt.ok_(not is_leaf(t))
def test_is_leaf(): nt.ok_(is_leaf(Tree(0)))
def test_is_leaf(): nt.ok_(is_leaf(Tree(0)))