38 lines
1.9 KiB
Python
38 lines
1.9 KiB
Python
from ssz_test_case import invalid_test_case, valid_test_case
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from eth2spec.utils.ssz.ssz_typing import BasicType, uint8, uint16, uint32, uint64, uint128, uint256
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from random import Random
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from eth2spec.debug.random_value import RandomizationMode, get_random_ssz_object
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def uint_case_fn(rng: Random, mode: RandomizationMode, typ: BasicType):
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return get_random_ssz_object(rng, typ,
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max_bytes_length=typ.byte_len,
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max_list_length=1,
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mode=mode, chaos=False)
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UINT_TYPES = [uint8, uint16, uint32, uint64, uint128, uint256]
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def valid_cases():
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rng = Random(1234)
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for uint_type in UINT_TYPES:
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yield f'uint_{uint_type.byte_len * 8}_last_byte_empty', \
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valid_test_case(lambda: uint_type((2 ** ((uint_type.byte_len - 1) * 8)) - 1))
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for variation in range(5):
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for mode in [RandomizationMode.mode_random, RandomizationMode.mode_zero, RandomizationMode.mode_max]:
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yield f'uint_{uint_type.byte_len * 8}_{mode.to_name()}_{variation}', \
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valid_test_case(lambda: uint_case_fn(rng, mode, uint_type))
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def invalid_cases():
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for uint_type in UINT_TYPES:
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yield f'uint_{uint_type.byte_len * 8}_one_too_high', \
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invalid_test_case(lambda: (2 ** (uint_type.byte_len * 8)).to_bytes(uint_type.byte_len + 1, 'little'))
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for uint_type in [uint8, uint16, uint32, uint64, uint128, uint256]:
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yield f'uint_{uint_type.byte_len * 8}_one_byte_longer', \
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invalid_test_case(lambda: (2 ** (uint_type.byte_len * 8) - 1).to_bytes(uint_type.byte_len + 1, 'little'))
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for uint_type in [uint8, uint16, uint32, uint64, uint128, uint256]:
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yield f'uint_{uint_type.byte_len * 8}_one_byte_shorter', \
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invalid_test_case(lambda: (2 ** ((uint_type.byte_len - 1) * 8) - 1).to_bytes(uint_type.byte_len - 1, 'little'))
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