20 lines
954 B
Python
20 lines
954 B
Python
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import unittest
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from lbry import utils
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class UtilsTestCase(unittest.TestCase):
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def test_get_colliding_prefix_bits(self):
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self.assertEqual(
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0, utils.get_colliding_prefix_bits(0xffffff.to_bytes(4, "big"), 0x00000000.to_bytes(4, "big"), 32))
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self.assertEqual(
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1, utils.get_colliding_prefix_bits(0xefffff.to_bytes(4, "big"), 0x00000000.to_bytes(4, "big"), 32))
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self.assertEqual(
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8, utils.get_colliding_prefix_bits(0x00ffff.to_bytes(4, "big"), 0x00000000.to_bytes(4, "big"), 16))
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self.assertEqual(
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8, utils.get_colliding_prefix_bits(0x00ffff.to_bytes(4, "big"), 0x00000000.to_bytes(4, "big"), 8))
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self.assertEqual(
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1, utils.get_colliding_prefix_bits(0xefffff.to_bytes(4, "big"), 0x00000000.to_bytes(4, "big"), 16))
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self.assertEqual(
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1, utils.get_colliding_prefix_bits(0xefffff.to_bytes(4, "big"), 0x00000000.to_bytes(4, "big"), 8))
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