circuitpython/tests/basics/builtin_hash_intbig.py
Damien George 1ad0013dec tests: Add some tests for bigint hash, float hash and float parsing.
Following outcome of recent fuzz testing and sanitizing by @jepler.
2018-05-21 13:05:40 +10:00

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Python

# test builtin hash function
print({1 << 66:1}) # hash big int
print({-(1 << 66):2}) # hash negative big int
# __hash__ returning a large number should be truncated
class F:
def __hash__(self):
return 1 << 70 | 1
print(hash(F()) != 0)
# this had a particular error with internal integer arithmetic of hash function
print(hash(6699999999999999999999999999999999999999999999999999999999999999999999) != 0)