text: #
  # This file is part of pyasn1 software.
  #
  # Copyright (c) 2005-2017, Ilya Etingof <etingof@gmail.com>
  # License: http://pyasn1.sf.net/license.html
  #
  import sys
  
  try:
      import unittest2 as unittest
  except ImportError:
      import unittest
  
  from tests.base import BaseTestCase
  
  from pyasn1.compat import binary
  
  
  class BinaryTestCase(BaseTestCase):
  
      def test_bin_zero(self):
          assert '0b0' == binary.bin(0)
  
  
      def test_bin_noarg(self):
          try:
              binary.bin()
  
          except TypeError:
              pass
  
          except:
              assert 0, 'bin() tolerates no arguments'
  
  
      def test_bin_allones(self):
          assert '0b1111111111111111111111111111111111111111111111111111111111111111' == binary.bin(0xffffffffffffffff)
  
  
      def test_bin_allzeros(self):
          assert '0b0' == binary.bin(0x0000000)
  
  
  
      def test_bin_pos(self):
          assert '0b1000000010000000100000001' == binary.bin(0x01010101)
  
  
      def test_bin_neg(self):
          assert '-0b1000000010000000100000001' == binary.bin(-0x01010101)
  
  
  suite = unittest.TestLoader().loadTestsFromModule(sys.modules[__name__])
  
  if __name__ == '__main__':
      unittest.TextTestRunner(verbosity=2).run(suite)
  