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authorBrett Cannon <bcannon@gmail.com>2006-12-13 23:09:53 (GMT)
committerBrett Cannon <bcannon@gmail.com>2006-12-13 23:09:53 (GMT)
commit6d9520c4f0e01ff87ff3d74166f508df0a215261 (patch)
tree4024486982a7efc6717ead6db1e0e44105bb27b6 /Lib/test/test_random.py
parentc745df8519b3dce95bb3ce7587c4c311f8184290 (diff)
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Add test.test_support.guard_warnings_filter . This function returns a context
manager that protects warnings.filter from being modified once the context is exited.
Diffstat (limited to 'Lib/test/test_random.py')
-rw-r--r--Lib/test/test_random.py7
1 files changed, 3 insertions, 4 deletions
diff --git a/Lib/test/test_random.py b/Lib/test/test_random.py
index bba4c7c..e3f05a0 100644
--- a/Lib/test/test_random.py
+++ b/Lib/test/test_random.py
@@ -178,10 +178,9 @@ class WichmannHill_TestBasicOps(TestBasicOps):
def test_bigrand(self):
# Verify warnings are raised when randrange is too large for random()
- oldfilters = warnings.filters[:]
- warnings.filterwarnings("error", "Underlying random")
- self.assertRaises(UserWarning, self.gen.randrange, 2**60)
- warnings.filters[:] = oldfilters
+ with test_support.guard_warnings_filter():
+ warnings.filterwarnings("error", "Underlying random")
+ self.assertRaises(UserWarning, self.gen.randrange, 2**60)
class SystemRandom_TestBasicOps(TestBasicOps):
gen = random.SystemRandom()