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[3.12] gh-121474: Add threading.Barrier parties arg sanity check. (GH-121480) (GH-122443)

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(cherry picked from commit d27a53fc02)

Co-authored-by: Clinton <pygeek@users.noreply.github.com>
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Miss Islington (bot) 2024-07-30 11:12:11 +02:00 • committed by GitHub
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Lib/test/lock_tests.py
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@ -1013,6 +1013,10 @@ class BarrierTests(BaseTestCase):
self.assertEqual(self.barrier.n_waiting, 0)
self.assertFalse(self.barrier.broken)
def test_constructor(self):
self.assertRaises(ValueError, self.barriertype, parties=0)
self.assertRaises(ValueError, self.barriertype, parties=-1)
def test_barrier(self, passes=1):
"""
Test that a barrier is passed in lockstep