2020-07-23 13:54:49 +00:00
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from common import *
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if not utils.BITCOIN_ONLY:
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from apps.cardano.helpers.utils import variable_length_encode
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@unittest.skipUnless(not utils.BITCOIN_ONLY, "altcoin")
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class TestCardanoUtils(unittest.TestCase):
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def test_variable_length_encode(self):
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test_vectors = [
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2020-11-11 13:43:09 +00:00
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(0, bytes([0x00])),
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(42, bytes([0x2A])),
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(127, bytes([0x7F])),
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2020-07-23 13:54:49 +00:00
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(128, bytes([0x81, 0x00])),
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(129, bytes([0x81, 0x01])),
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(255, bytes([0x81, 0x7F])),
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(256, bytes([0x82, 0x00])),
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(16383, bytes([0xFF, 0x7F])),
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(16384, bytes([0x81, 0x80, 0x00])),
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]
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for number, expected in test_vectors:
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actual = variable_length_encode(number)
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self.assertEqual(actual, expected)
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def test_variable_length_encode_negative_number(self):
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with self.assertRaises(ValueError):
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variable_length_encode(-1)
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if __name__ == '__main__':
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unittest.main()
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