Add a test case.
diff --git a/Lib/test/test_random.py b/Lib/test/test_random.py
index b5fe1e5..d917281 100644
--- a/Lib/test/test_random.py
+++ b/Lib/test/test_random.py
@@ -182,6 +182,24 @@
seed = (1L << (10000 * 8)) - 1 # about 10K bytes
self.gen.seed(seed)
+class TestDistributions(unittest.TestCase):
+ def test_zeroinputs(self):
+ # Verify that distributions can handle a series of zero inputs'
+ g = random.Random()
+ x = [g.random() for i in xrange(50)] + [0.0]*5
+ g.random = x[:].pop; g.uniform(1,10)
+ g.random = x[:].pop; g.paretovariate(1.0)
+ g.random = x[:].pop; g.expovariate(1.0)
+ g.random = x[:].pop; g.weibullvariate(1.0, 1.0)
+ g.random = x[:].pop; g.normalvariate(0.0, 1.0)
+ g.random = x[:].pop; g.gauss(0.0, 1.0)
+ g.random = x[:].pop; g.lognormvariate(0.0, 1.0)
+ g.random = x[:].pop; g.vonmisesvariate(0.0, 1.0)
+ g.random = x[:].pop; g.gammavariate(0.01, 1.0)
+ g.random = x[:].pop; g.gammavariate(1.0, 1.0)
+ g.random = x[:].pop; g.gammavariate(200.0, 1.0)
+ g.random = x[:].pop; g.betavariate(3.0, 3.0)
+
class TestModule(unittest.TestCase):
def testMagicConstants(self):
self.assertAlmostEqual(random.NV_MAGICCONST, 1.71552776992141)
@@ -199,6 +217,7 @@
suite = unittest.TestSuite()
for testclass in (WichmannHill_TestBasicOps,
MersenneTwister_TestBasicOps,
+ TestDistributions,
TestModule):
suite.addTest(unittest.makeSuite(testclass))
test_support.run_suite(suite)