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# This file is part of Hypothesis, which may be found at
# https://github.com/HypothesisWorks/hypothesis/
#
# Copyright the Hypothesis Authors.
# Individual contributors are listed in AUTHORS.rst and the git log.
#
# This Source Code Form is subject to the terms of the Mozilla Public License,
# v. 2.0. If a copy of the MPL was not distributed with this file, You can
# obtain one at https://mozilla.org/MPL/2.0/.
import string
from hypothesis import given, strategies as st
IDENTIFIER_CHARS = string.ascii_letters + string.digits + "_"
@given(st.characters(blacklist_characters=IDENTIFIER_CHARS))
def test_large_blacklist(c):
assert c not in IDENTIFIER_CHARS
@given(st.data())
def test_arbitrary_blacklist(data):
blacklist = data.draw(st.text(st.characters(max_codepoint=1000), min_size=1))
ords = list(map(ord, blacklist))
c = data.draw(
st.characters(
blacklist_characters=blacklist,
min_codepoint=max(0, min(ords) - 1),
max_codepoint=max(0, max(ords) + 1),
)
)
assert c not in blacklist
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