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author | Sybren A. Stüvel <sybren@stuvel.eu> | 2016-03-29 18:15:25 +0200 |
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committer | Sybren A. Stüvel <sybren@stuvel.eu> | 2016-03-29 18:15:25 +0200 |
commit | 46b72a462dbd7955f7e8f13cef1b1a3cb0af2c51 (patch) | |
tree | 1c581cc012509d3879bedb9cb42cca1e3e92689e /tests | |
parent | c042a0e7fe12d5b4cbbc22d80fd4ae31f2781bea (diff) | |
download | rsa-git-46b72a462dbd7955f7e8f13cef1b1a3cb0af2c51.tar.gz |
Added unittest for rsa.common.inverse
This unittest tests both execution branches of the function, reducing
randomness of code coverage.
Diffstat (limited to 'tests')
-rw-r--r-- | tests/test_common.py | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/tests/test_common.py b/tests/test_common.py index 453dcc8..ef32f61 100644 --- a/tests/test_common.py +++ b/tests/test_common.py @@ -18,7 +18,7 @@ import unittest import struct from rsa._compat import byte, b -from rsa.common import byte_size, bit_size, _bit_size +from rsa.common import byte_size, bit_size, _bit_size, inverse class TestByte(unittest.TestCase): @@ -75,3 +75,13 @@ class TestBitSize(unittest.TestCase): self.assertEqual(_bit_size(1 << 1024), 1025) self.assertEqual(_bit_size((1 << 1024) + 1), 1025) self.assertEqual(_bit_size((1 << 1024) - 1), 1024) + + +class TestInverse(unittest.TestCase): + def test_normal(self): + self.assertEqual(3, inverse(7, 4)) + self.assertEqual(9, inverse(5, 11)) + + def test_not_relprime(self): + self.assertRaises(ValueError, inverse, 4, 8) + self.assertRaises(ValueError, inverse, 25, 5) |