def testStruct(self):
fmt = '!IBi'
values = (8, 97, -12)
out = Writer()
out.writeStruct(fmt, *values)
pack = out.finish()
ipack = Reader(pack)
nvalues = ipack.readStruct(fmt)
self.assertEquals(values, nvalues)
left = ipack.stream.read()
self.assertFalse(left)
