def test_clone_not_deep():
a1 = W_NormalObject()
b1 = W_NormalObject()
a1.setvalue('b', b1)
a2 = a1.clone()
b2 = a2.getvalue('b')
assert b1 is b2
def test_clone():
w1 = W_NormalObject()
w1.setvalue('abc', W_Integer(6))
w2 = w1.clone()
assert w2.getvalue('abc').value == 6
w2.setvalue('abc', W_Integer(99))
assert w2.getvalue('abc').value == 99
assert w1.getvalue('abc').value == 6 # still the old value