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Add refcount test.

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Raymond Hettinger 2003-02-04 05:47:30 +00:00
parent fa05ce3c1d
commit 105b084b59
1 changed files with 12 additions and 3 deletions
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15
Lib/test/test_random.py
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@ -74,7 +74,7 @@ class TestBasicOps(unittest.TestCase):
pop = range(n) pop = range(n)
trials = 10000 # large num prevents false negatives without slowing normal case trials = 10000 # large num prevents false negatives without slowing normal case
def factorial(n): def factorial(n):
return n==0 and 1 or n * factorial(n-1) return reduce(int.__mul__, xrange(1, n), 1)
for k in xrange(n): for k in xrange(n):
expected = factorial(n) / factorial(n-k) expected = factorial(n) / factorial(n-k)
perms = {} perms = {}
@ -271,7 +271,7 @@ class TestModule(unittest.TestCase):
# tests validity but not completeness of the __all__ list # tests validity but not completeness of the __all__ list
self.failUnless(Set(random.__all__) <= Set(dir(random))) self.failUnless(Set(random.__all__) <= Set(dir(random)))
def test_main(): def test_main(verbose=None):
suite = unittest.TestSuite() suite = unittest.TestSuite()
for testclass in (WichmannHill_TestBasicOps, for testclass in (WichmannHill_TestBasicOps,
MersenneTwister_TestBasicOps, MersenneTwister_TestBasicOps,
@ -280,5 +280,14 @@ def test_main():
suite.addTest(unittest.makeSuite(testclass)) suite.addTest(unittest.makeSuite(testclass))
test_support.run_suite(suite) test_support.run_suite(suite)
# verify reference counting
import sys
if verbose and hasattr(sys, "gettotalrefcount"):
counts = []
for i in xrange(5):
test_support.run_suite(suite)
counts.append(sys.gettotalrefcount()-i)
print counts
if __name__ == "__main__": if __name__ == "__main__":
test_main() test_main(verbose=True)