def test_choice(self):
blah = chc.Choice('blah', [fld.Field('a', 8), fld.Field('b', 8)])
stream = chsr._ProtocolStream(blah)
self.assertEqual(0, len(stream.data))
# Now we should move to 'a' or 'b'
next = stream.next()
self.assertEqual(2, len(next))
self.assertEqual('a', next[0].entry.name)
# Now both options should finish
self.assertEqual(0, len(next[0].next()))
self.assertEqual(0, len(next[1].next()))
def test_sequence(self):
blah = seq.Sequence('blah', [fld.Field('a', 8), fld.Field('b', 8)])
stream = chsr._ProtocolStream(blah)
self.assertEqual(0, len(stream.data))
# Now we should move to 'a'
next = stream.next()
self.assertEqual(1, len(next))
self.assertEqual('a', next[0].entry.name)
# Now we should move to 'b'
next = next[0].next()
self.assertEqual(1, len(next))
self.assertEqual('b', next[0].entry.name)
# And then we should be done.
self.assertEqual(0, len(next[0].next()))
def test_field(self):
a = fld.Field('a', 8)
stream = chsr._ProtocolStream(a)
self.assertEqual(a, stream.entry)
self.assertEqual([], stream.next())