def test4(self):
# Test inversion
one = _Element(1)
x = one.inverse()
self.assertEqual(int(x), 1)
x = _Element(82323923)
y = x.inverse()
self.assertEqual(int(x * y), 1)
def test4(self):
# Test inversion
one = _Element(1)
x = one.inverse()
self.assertEqual(int(x), 1)
x = _Element(82323923)
y = x.inverse()
self.assertEqual(int(x * y), 1)
def test1(self):
# Test encondings
e = _Element(256)
self.assertEqual(int(e), 256)
self.assertEqual(e.encode(), bchr(0)*14 + b("\x01\x00"))
e = _Element(bchr(0)*14 + b("\x01\x10"))
self.assertEqual(int(e), 0x110)
self.assertEqual(e.encode(), bchr(0)*14 + b("\x01\x10"))
# Only 16 byte string are a valid encoding
self.assertRaises(ValueError, _Element, bchr(0))
def test1(self):
# Test encondings
e = _Element(256)
self.assertEqual(int(e), 256)
self.assertEqual(e.encode(), bchr(0) * 14 + b("\x01\x00"))
e = _Element(bchr(0) * 14 + b("\x01\x10"))
self.assertEqual(int(e), 0x110)
self.assertEqual(e.encode(), bchr(0) * 14 + b("\x01\x10"))
# Only 16 byte string are a valid encoding
self.assertRaises(ValueError, _Element, bchr(0))
def test3(self):
# Test multiplication
zero = _Element(0)
one = _Element(1)
two = _Element(2)
x = _Element(6) * zero
self.assertEqual(int(x), 0)
x = _Element(6) * one
self.assertEqual(int(x), 6)
x = _Element(2L**127) * two
self.assertEqual(int(x), 1 + 2 + 4 + 128)
def test3(self):
# Test multiplication
zero = _Element(0)
one = _Element(1)
two = _Element(2)
x = _Element(6) * zero
self.assertEqual(int(x), 0)
x = _Element(6) * one
self.assertEqual(int(x), 6)
x = _Element(2**127) * two
self.assertEqual(int(x), 1 + 2 + 4 + 128)
def test2(self):
# Test addition
e = _Element(0x10)
f = _Element(0x0A)
self.assertEqual(int(e+f), 0x1A)
def test2(self):
# Test addition
e = _Element(0x10)
f = _Element(0x0A)
self.assertEqual(int(e + f), 0x1A)
