1 # 2 # This file is part of pyasn1 software. 3 # 4 # Copyright (c) 2005-2018, Ilya Etingof <etingof (at] gmail.com> 5 # License: http://snmplabs.com/pyasn1/license.html 6 # 7 import sys 8 9 try: 10 import unittest2 as unittest 11 except ImportError: 12 import unittest 13 14 from tests.base import BaseTestCase 15 16 from pyasn1.compat import integer 17 18 19 class IntegerTestCase(BaseTestCase): 20 21 if sys.version_info[0] > 2: 22 23 def test_from_bytes_zero(self): 24 assert 0 == integer.from_bytes(bytes([0]), signed=False) 25 26 def test_from_bytes_unsigned(self): 27 assert -66051 == integer.from_bytes(bytes([254, 253, 253]), signed=True) 28 29 def test_from_bytes_signed(self): 30 assert 66051 == integer.from_bytes(bytes([0, 1, 2, 3]), signed=False) 31 32 def test_from_bytes_empty(self): 33 assert 0 == integer.from_bytes(bytes([])) 34 35 else: 36 37 def test_from_bytes_zero(self): 38 assert 0 == integer.from_bytes('\x00', signed=False) 39 40 def test_from_bytes_unsigned(self): 41 assert -66051 == integer.from_bytes('\xfe\xfd\xfd', signed=True) 42 43 def test_from_bytes_signed(self): 44 assert 66051 == integer.from_bytes('\x01\x02\x03', signed=False) 45 46 def test_from_bytes_empty(self): 47 assert 0 == integer.from_bytes('') 48 49 50 suite = unittest.TestLoader().loadTestsFromModule(sys.modules[__name__]) 51 52 if __name__ == '__main__': 53 unittest.TextTestRunner(verbosity=2).run(suite) 54
