[3.14] gh-149221: Add missing test_binomialvariate_log_zero (#154879)

Author: hugovk

Lib/test/test_random.py

@@ -1074,6 +1074,13 @@ def test_avg_std(self):
             self.assertAlmostEqual(s2/(N-1), sigmasqrd, places=2,
                                    msg='%s%r' % (variate.__name__, args))
 
+    def test_binomialvariate_log_zero(self):
+        # gh-149222: Variety random() return 0.0 no input Error
+        with unittest.mock.patch.object(random.Random, 'random', side_effect=[0.0] + [0.5] * 20):
+            result = random.binomialvariate(10, 0.5)
+            self.assertIsInstance(result, int)
+            self.assertIn(result, range(11))
+
     def test_binomialvariate_btrs_random_zero(self):
         for p, expected in ((0.25, 25), (0.75, 75)):
             with self.subTest(p=p):