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import hashlib
import pytest
def test_python_names():
for algo in hashlib.algorithms_available:
hashlib.new(algo)
# these used to crash
hashlib.new("md5_sha1")
hashlib.new("sha512_224")
hashlib.new("sha512_256")
def test_large_hmac():
# issue 3962: problem with large msg code path
import hmac
m = hmac.HMAC(b'', msg=b'0'*2049, digestmod='sha256')
assert len(m.digest()) == 32
def test_crash():
# issue 5127
with pytest.raises((AttributeError, TypeError)):
hashlib.shake_128()._keccak_init(())
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