def test_picking_owned(self):
'''verify pickling of envelopes owned by PDF calculators.
'''
pbl = makePDFEnvelope('parabolaenvelope',
parabola_envelope, a=1, b=2, c=3)
pbl.a = 7
pbl.foobar = 'asdf'
pc = PDFCalculator()
pc.envelopes = (pbl,)
dbpc = DebyePDFCalculator()
dbpc.envelopes = (pbl,)
self.assertIs(pbl, pc.envelopes[0])
self.assertIs(pbl, dbpc.envelopes[0])
pc.addEnvelope(self.fscale)
dbpc.addEnvelope(self.fscale)
self.fscale.scale = 3.5
self.assertEqual(3.5, pc.scale)
self.assertEqual(3.5, dbpc.scale)
pc2 = pickle.loads(pickle.dumps(pc))
dbpc2 = pickle.loads(pickle.dumps(dbpc))
self.assertEqual(3.5, pc2.scale)
self.assertEqual(3.5, dbpc2.scale)
pblcopies = [pc2.getEnvelope("parabolaenvelope"),
dbpc2.getEnvelope("parabolaenvelope")]
for pbl2 in pblcopies:
self.assertEqual(7, pbl2.a)
self.assertEqual('asdf', pbl2.foobar)
self.assertEqual('parabolaenvelope', pbl2.type())
return
