19 lines
956 B
Python
19 lines
956 B
Python
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(0xffffffff.to_bytes(4, "big"), 0x0000000000.to_bytes(4, "big")))
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self.assertEqual(
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1, utils.get_colliding_prefix_bits(0x7fffffff.to_bytes(4, "big"), 0x0000000000.to_bytes(4, "big")))
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self.assertEqual(
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8, utils.get_colliding_prefix_bits(0x00ffffff.to_bytes(4, "big"), 0x0000000000.to_bytes(4, "big")))
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self.assertEqual(
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8, utils.get_colliding_prefix_bits(0x00ffffff.to_bytes(4, "big"), 0x0000000000.to_bytes(4, "big")))
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self.assertEqual(
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1, utils.get_colliding_prefix_bits(0x7fffffff.to_bytes(4, "big"), 0x0000000000.to_bytes(4, "big")))
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self.assertEqual(
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1, utils.get_colliding_prefix_bits(0x7fffffff.to_bytes(4, "big"), 0x0000000000.to_bytes(4, "big")))
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