def test_big_integer_to_ba(self):
b1 = BigInteger(8972340892734890723)
ba = b1.ToByteArray()
integer = BigInteger.from_bytes(ba, 'little')
self.assertEqual(integer, 8972340892734890723)
b2 = BigInteger(-100)
b2ba = b2.ToByteArray()
integer2 = BigInteger.from_bytes(b2ba, 'little', signed=True)
self.assertEqual(integer2, -100)
b3 = BigInteger(128)
b3ba = b3.ToByteArray()
self.assertEqual(b3ba, b'\x80\x00')
b4 = BigInteger(0)
b4ba = b4.ToByteArray()
self.assertEqual(b4ba, b'\x00')
b5 = BigInteger(-146)
b5ba = b5.ToByteArray()
self.assertEqual(b'\x6e\xff', b5ba)
b6 = BigInteger(-48335248028225339427907476932896373492484053930)
b6ba = b6.ToByteArray()
self.assertEqual(20, len(b6ba))
b7 = BigInteger(-399990000)
b7ba = b7.ToByteArray()
self.assertEqual(b'\x10\xa3\x28\xe8', b7ba)
def test_big_integer_to_ba(self):
b1 = BigInteger(8972340892734890723)
ba = b1.ToByteArray()
integer = BigInteger.from_bytes(ba, 'little')
self.assertEqual(integer, 8972340892734890723)
b2 = BigInteger(-100)
b2ba = b2.ToByteArray()
integer2 = BigInteger.from_bytes(b2ba, 'little')
self.assertEqual(integer2, 65436)
b3 = BigInteger(128)
b3ba = b3.ToByteArray()
self.assertEqual(b3ba, b'\x80\x00')
b4 = BigInteger(0)
b4ba = b4.ToByteArray()
self.assertEqual(b4ba, b'\x00')
def test_big_integer_modulo(self):
b1 = BigInteger(860593)
b2 = BigInteger(-201)
self.assertEqual(112, b1 % b2)
b1 = BigInteger(20195283520469175757)
b2 = BigInteger(1048576)
self.assertEqual(888269, b1 % b2)
b1 = BigInteger(
-18224909727634776050312394179610579601844989529623334093909233530432892596607
)
b2 = BigInteger(14954691977398614017)
self.assertEqual(-3100049211437790421, b1 % b2)
b3 = BigInteger.from_bytes(bytearray(b'+K\x05\xbe\xaai\xfa\xd4'),
'little',
signed=True)
self.assertEqual(b3, b1 % b2)