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| author | Serhiy Storchaka <storchaka@gmail.com> | 2016-03-01 10:25:45 +0200 |
|---|---|---|
| committer | Serhiy Storchaka <storchaka@gmail.com> | 2016-03-01 10:25:45 +0200 |
| commit | bb0dbd583bdac8f1bfb9f0a45e7014b2663d5729 (patch) | |
| tree | 9b5216a037577f95eac9a26ab2298d236cef7709 /Lib/test/test_ipaddress.py | |
| parent | 5f582bdec8dee935b7d14d71fce869e0dd692061 (diff) | |
| download | cpython-git-bb0dbd583bdac8f1bfb9f0a45e7014b2663d5729.tar.gz | |
Issue #26457: Fixed the subnets() methods in IP network classes for the case
when resulting prefix length is equal to maximal prefix length.
Based on patch by Xiang Zhang.
Diffstat (limited to 'Lib/test/test_ipaddress.py')
| -rw-r--r-- | Lib/test/test_ipaddress.py | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/Lib/test/test_ipaddress.py b/Lib/test/test_ipaddress.py index 56f0be3ae8..643d742e4c 100644 --- a/Lib/test/test_ipaddress.py +++ b/Lib/test/test_ipaddress.py @@ -1066,6 +1066,26 @@ class IpaddrUnitTest(unittest.TestCase): '2001:658:22a:cafe:8000::/66', '2001:658:22a:cafe:c000::/66']) + def testGetSubnets3(self): + subnets = [str(x) for x in self.ipv4_network.subnets(8)] + self.assertEqual(subnets[:3], + ['1.2.3.0/32', '1.2.3.1/32', '1.2.3.2/32']) + self.assertEqual(subnets[-3:], + ['1.2.3.253/32', '1.2.3.254/32', '1.2.3.255/32']) + self.assertEqual(len(subnets), 256) + + ipv6_network = ipaddress.IPv6Network('2001:658:22a:cafe::/120') + subnets = [str(x) for x in ipv6_network.subnets(8)] + self.assertEqual(subnets[:3], + ['2001:658:22a:cafe::/128', + '2001:658:22a:cafe::1/128', + '2001:658:22a:cafe::2/128']) + self.assertEqual(subnets[-3:], + ['2001:658:22a:cafe::fd/128', + '2001:658:22a:cafe::fe/128', + '2001:658:22a:cafe::ff/128']) + self.assertEqual(len(subnets), 256) + def testSubnetFailsForLargeCidrDiff(self): self.assertRaises(ValueError, list, self.ipv4_interface.network.subnets(9)) @@ -1670,6 +1690,7 @@ class IpaddrUnitTest(unittest.TestCase): addr3 = ipaddress.ip_network('10.2.1.0/24') addr4 = ipaddress.ip_address('10.1.1.0') addr5 = ipaddress.ip_network('2001:db8::0/32') + addr6 = ipaddress.ip_network('10.1.1.5/32') self.assertEqual(sorted(list(addr1.address_exclude(addr2))), [ipaddress.ip_network('10.1.1.64/26'), ipaddress.ip_network('10.1.1.128/25')]) @@ -1677,6 +1698,15 @@ class IpaddrUnitTest(unittest.TestCase): self.assertRaises(TypeError, list, addr1.address_exclude(addr4)) self.assertRaises(TypeError, list, addr1.address_exclude(addr5)) self.assertEqual(list(addr1.address_exclude(addr1)), []) + self.assertEqual(sorted(list(addr1.address_exclude(addr6))), + [ipaddress.ip_network('10.1.1.0/30'), + ipaddress.ip_network('10.1.1.4/32'), + ipaddress.ip_network('10.1.1.6/31'), + ipaddress.ip_network('10.1.1.8/29'), + ipaddress.ip_network('10.1.1.16/28'), + ipaddress.ip_network('10.1.1.32/27'), + ipaddress.ip_network('10.1.1.64/26'), + ipaddress.ip_network('10.1.1.128/25')]) def testHash(self): self.assertEqual(hash(ipaddress.ip_interface('10.1.1.0/24')), |