commit 6fad4090ec9a27f8572bb00661b9890f01fb62f7
author Serhiy Storchaka <storchaka@gmail.com> Mon Mar 20 09:13:47 2017 +0200
committer GitHub <noreply@github.com> Mon Mar 20 09:13:47 2017 +0200
tree 8b47e7904802704a193ced6099b7e36ed7dac4df
parent d1f566f6bddc67e9870eaa75ae477208b9a199be

bpo-28876: bool of large range raises OverflowError (#699) (#734)

(cherry picked from commit e46fb8611867fa3b407a813f53137929b7cb4a10)

Lib/test/test_range.py

diff --git a/Lib/test/test_range.py b/Lib/test/test_range.py
index 9e11e51..679759e 100644
--- a/Lib/test/test_range.py
+++ b/Lib/test/test_range.py
@@ -99,20 +99,24 @@
         x = range(10**20+10, 10**20, 3)
         self.assertEqual(len(x), 0)
         self.assertEqual(len(list(x)), 0)
+        self.assertFalse(x)
 
         x = range(10**20, 10**20+10, -3)
         self.assertEqual(len(x), 0)
         self.assertEqual(len(list(x)), 0)
+        self.assertFalse(x)
 
         x = range(10**20+10, 10**20, -3)
         self.assertEqual(len(x), 4)
         self.assertEqual(len(list(x)), 4)
+        self.assertTrue(x)
 
         # Now test range() with longs
-        self.assertEqual(list(range(-2**100)), [])
-        self.assertEqual(list(range(0, -2**100)), [])
-        self.assertEqual(list(range(0, 2**100, -1)), [])
-        self.assertEqual(list(range(0, 2**100, -1)), [])
+        for x in [range(-2**100),
+                  range(0, -2**100),
+                  range(0, 2**100, -1)]:
+            self.assertEqual(list(x), [])
+            self.assertFalse(x)
 
         a = int(10 * sys.maxsize)
         b = int(100 * sys.maxsize)
@@ -153,6 +157,7 @@
                 step = x[1] - x[0]
                 length = 1 + ((x[-1] - x[0]) // step)
             return length
+
         a = -sys.maxsize
         b = sys.maxsize
         expected_len = b - a
@@ -160,6 +165,7 @@
         self.assertIn(a, x)
         self.assertNotIn(b, x)
         self.assertRaises(OverflowError, len, x)
+        self.assertTrue(x)
         self.assertEqual(_range_len(x), expected_len)
         self.assertEqual(x[0], a)
         idx = sys.maxsize+1
@@ -177,6 +183,7 @@
         self.assertIn(a, x)
         self.assertNotIn(b, x)
         self.assertRaises(OverflowError, len, x)
+        self.assertTrue(x)
         self.assertEqual(_range_len(x), expected_len)
         self.assertEqual(x[0], a)
         idx = sys.maxsize+1
@@ -195,6 +202,7 @@
         self.assertIn(a, x)
         self.assertNotIn(b, x)
         self.assertRaises(OverflowError, len, x)
+        self.assertTrue(x)
         self.assertEqual(_range_len(x), expected_len)
         self.assertEqual(x[0], a)
         idx = sys.maxsize+1
@@ -213,6 +221,7 @@
         self.assertIn(a, x)
         self.assertNotIn(b, x)
         self.assertRaises(OverflowError, len, x)
+        self.assertTrue(x)
         self.assertEqual(_range_len(x), expected_len)
         self.assertEqual(x[0], a)
         idx = sys.maxsize+1