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author4kir4 <4kir4.1i@gmail.com>2017-03-20 06:44:46 (GMT)
committerSerhiy Storchaka <storchaka@gmail.com>2017-03-20 06:44:46 (GMT)
commite46fb8611867fa3b407a813f53137929b7cb4a10 (patch)
tree9165a0264f38ddfd82cce4080b190f1b5225e95d /Lib/test/test_range.py
parent64508780d72769e4c7afc67a511c057261c578f6 (diff)
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bpo-28876: bool of large range raises OverflowError (#699)
Diffstat (limited to 'Lib/test/test_range.py')
-rw-r--r--Lib/test/test_range.py17
1 files changed, 13 insertions, 4 deletions
diff --git a/Lib/test/test_range.py b/Lib/test/test_range.py
index 3675f25..ce15847 100644
--- a/Lib/test/test_range.py
+++ b/Lib/test/test_range.py
@@ -98,20 +98,24 @@ class RangeTest(unittest.TestCase):
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)
@@ -152,6 +156,7 @@ class RangeTest(unittest.TestCase):
step = x[1] - x[0]
length = 1 + ((x[-1] - x[0]) // step)
return length
+
a = -sys.maxsize
b = sys.maxsize
expected_len = b - a
@@ -159,6 +164,7 @@ class RangeTest(unittest.TestCase):
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
@@ -176,6 +182,7 @@ class RangeTest(unittest.TestCase):
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
@@ -194,6 +201,7 @@ class RangeTest(unittest.TestCase):
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
@@ -212,6 +220,7 @@ class RangeTest(unittest.TestCase):
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