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try:
import hashlib
except ImportError:
print("SKIP")
raise SystemExit
for algo_name in ("md5", "sha1", "sha256"):
algo = getattr(hashlib, algo_name, None)
if not algo:
continue
# Running .digest() several times in row is not supported.
h = algo(b"123")
h.digest()
try:
h.digest()
print("fail")
except ValueError:
# Expected path, don't print anything so test output is the
# same even if the algorithm is not implemented on the port.
pass
# Partial digests are not supported.
h = algo(b"123")
h.digest()
try:
h.update(b"456")
print("fail")
except ValueError:
# Expected path, don't print anything so test output is the
# same even if the algorithm is not implemented on the port.
pass
print("done")
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