def test_refcounting(self):
obj = foo.SomeObject("")
z = foo.Zbr("hello")
obj.set_zbr_transfer(z)
self.assertEqual(z.get_datum(), "hello")
z2 = obj.get_zbr()
self.assertEqual(z2.get_datum(), "hello")
z3 = obj.get_zbr()
self.assertEqual(z3.get_datum(), "hello")
zz = foo.Zbr("world")
self.assertEqual(zz.get_datum(), "world")
obj.set_zbr_shared(zz)
## previous z's should not have been changed
self.assertEqual(z.get_datum(), "hello")
self.assertEqual(z2.get_datum(), "hello")
self.assertEqual(z3.get_datum(), "hello")
self.assertEqual(zz.get_datum(), "world")
zz2 = obj.get_zbr()
self.assertEqual(zz2.get_datum(), "world")
zz3 = obj.peek_zbr()
self.assertEqual(zz3.get_datum(), "world")
def test_out_intptr(self):
zbr = foo.Zbr()
v1, v2 = zbr.get_value()
self.assertEqual(v1, -1)
self.assertEqual(v2, 123)
