68 lines
2.2 KiB
Python
68 lines
2.2 KiB
Python
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# -*- coding: utf-8 -*-
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#
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# SelfTest/Util/test_Counter: Self-test for the Cryptodome.Util.Counter module
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#
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# Written in 2009 by Dwayne C. Litzenberger <dlitz@dlitz.net>
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#
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# ===================================================================
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# The contents of this file are dedicated to the public domain. To
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# the extent that dedication to the public domain is not available,
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# everyone is granted a worldwide, perpetual, royalty-free,
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# non-exclusive license to exercise all rights associated with the
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# contents of this file for any purpose whatsoever.
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# No rights are reserved.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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# ===================================================================
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"""Self-tests for Cryptodome.Util.Counter"""
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from Cryptodome.Util.py3compat import *
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import unittest
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class CounterTests(unittest.TestCase):
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def setUp(self):
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global Counter
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from Cryptodome.Util import Counter
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def test_BE(self):
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"""Big endian"""
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c = Counter.new(128)
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c = Counter.new(128, little_endian=False)
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def test_LE(self):
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"""Little endian"""
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c = Counter.new(128, little_endian=True)
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def test_nbits(self):
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c = Counter.new(nbits=128)
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self.assertRaises(ValueError, Counter.new, 129)
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def test_prefix(self):
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c = Counter.new(128, prefix=b("xx"))
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def test_suffix(self):
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c = Counter.new(128, suffix=b("xx"))
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def test_iv(self):
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c = Counter.new(128, initial_value=2)
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self.assertRaises(ValueError, Counter.new, 16, initial_value=0x1FFFF)
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def get_tests(config={}):
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from Cryptodome.SelfTest.st_common import list_test_cases
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return list_test_cases(CounterTests)
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if __name__ == '__main__':
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suite = lambda: unittest.TestSuite(get_tests())
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unittest.main(defaultTest='suite')
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# vim:set ts=4 sw=4 sts=4 expandtab:
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