def test_store(self):
sn = SignedNumber(2)
sn.name = 'x'
o = Object()
o.x = 123
buf = sn.store(o)
self.assertEqual(b'\x00\x7b', buf)
def test_type2(self):
sn = SignedNumber(4)
sn.name = 'x'
self.assertEqual(2147483647, sn.max_val)
self.assertEqual(-2147483648, sn.min_val)
with self.assertRaises(ValueError):
sn.type_check(2147483648)
def test_load(self):
sn = SignedNumber(8)
sn.name = 'x'
o = Object()
buf = b'\xff\xff\xff\xff\xff\xff\xff\x85'
self.assertEqual(8, sn.load(o, buf))
self.assertEqual(-123, o.x)
def test_store(self):
sn = SignedNumber(2)
sn.name = 'x'
o = Object()
o.x = 123
buf = sn.store(o)
self.assertEqual(b'\x00\x7b', buf)
def test_load(self):
sn = SignedNumber(8)
sn.name = 'x'
o = Object()
buf = b'\xff\xff\xff\xff\xff\xff\xff\x85'
self.assertEqual(8, sn.load(o, buf))
self.assertEqual(-123, o.x)
def test_type2(self):
sn = SignedNumber(4)
sn.name = 'x'
self.assertEqual(2147483647, sn.max_val)
self.assertEqual(-2147483648, sn.min_val)
with self.assertRaises(ValueError):
sn.type_check(2147483648)
def test_type(self):
sn = SignedNumber(1)
sn.name = 'x'
self.assertEqual(127, sn.max_val)
self.assertEqual(-128, sn.min_val)
with self.assertRaises(TypeError):
sn.type_check('123')
with self.assertRaises(ValueError):
sn.type_check(200)
def test_type(self):
sn = SignedNumber(1)
sn.name = 'x'
self.assertEqual(127, sn.max_val)
self.assertEqual(-128, sn.min_val)
with self.assertRaises(TypeError):
sn.type_check('123')
with self.assertRaises(ValueError):
sn.type_check(200)
