1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27
|
# 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/.
from hypothesis import given, settings, strategies as st
def test_biases_towards_boundary_values():
trillion = 10**12
boundary_vals = {-trillion, -trillion + 1, trillion - 1, trillion}
@given(st.integers(-trillion, trillion))
@settings(max_examples=1000)
def f(n):
boundary_vals.discard(n)
f()
assert (
not boundary_vals
), f"Expected to see all boundary vals, but still have {boundary_vals}"
|