Issue #19588: Merge with 3.3

Lib/test/test_random.py

@@ -240,10 +240,10 @@ class SystemRandom_TestBasicOps(TestBasicOps, unittest.TestCase):
 
     def test_bigrand_ranges(self):
         for i in [40,80, 160, 200, 211, 250, 375, 512, 550]:
-            start = self.gen.randrange(2 ** i)
-            stop = self.gen.randrange(2 ** (i-2))
+            start = self.gen.randrange(2 ** (i-2))
+            stop = self.gen.randrange(2 ** i)
             if stop <= start:
-                return
+                continue
             self.assertTrue(start <= self.gen.randrange(start, stop) < stop)
 
     def test_rangelimits(self):
@@ -432,10 +432,10 @@ class MersenneTwister_TestBasicOps(TestBasicOps, unittest.TestCase):
 
     def test_bigrand_ranges(self):
         for i in [40,80, 160, 200, 211, 250, 375, 512, 550]:
-            start = self.gen.randrange(2 ** i)
-            stop = self.gen.randrange(2 ** (i-2))
+            start = self.gen.randrange(2 ** (i-2))
+            stop = self.gen.randrange(2 ** i)
             if stop <= start:
-                return
+                continue
             self.assertTrue(start <= self.gen.randrange(start, stop) < stop)
 
     def test_rangelimits(self):

Misc/ACKS

@@ -449,6 +449,7 @@ Dinu Gherman
 Jonathan Giddy
 Johannes Gijsbers
 Michael Gilfix
+Julian Gindi
 Yannick Gingras
 Matt Giuca
 Wim Glenn

Misc/NEWS

@@ -21,6 +21,12 @@ Library
 - Issue #19545: Avoid chained exceptions while passing stray % to
   time.strptime().  Initial patch by Claudiu Popa.
 
+Tests
+-----
+
+- Issue #19588: Fixed tests in test_random that were silently skipped most
+  of the time.  Patch by Julian Gindi.
+
 
 What's New in Python 3.4.0 Beta 1?
 ==================================