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| author | Xiang Zhang <angwerzx@126.com> | 2018-03-21 00:25:13 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2018-03-21 00:25:13 (GMT) |
| commit | 10b134a07c898c2fbc5fd3582503680a54ed80a2 (patch) | |
| tree | 32ce163bf6c42d52dcbf62a6479de258c014ea04 /Lib/test/test_ipaddress.py | |
| parent | 5609b78392d59c7362ef8aa5c4a4529325f01f27 (diff) | |
| download | cpython-10b134a07c898c2fbc5fd3582503680a54ed80a2.zip cpython-10b134a07c898c2fbc5fd3582503680a54ed80a2.tar.gz cpython-10b134a07c898c2fbc5fd3582503680a54ed80a2.tar.bz2 | |
bpo-27683: Fix a regression for host() of ipaddress network objects (GH-6016)
The result of host() was not empty when the network is constructed by a tuple containing an
integer mask and only 1 bit left for addresses.
Diffstat (limited to 'Lib/test/test_ipaddress.py')
| -rw-r--r-- | Lib/test/test_ipaddress.py | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/Lib/test/test_ipaddress.py b/Lib/test/test_ipaddress.py index a5aeb79..0e0753f 100644 --- a/Lib/test/test_ipaddress.py +++ b/Lib/test/test_ipaddress.py @@ -1127,10 +1127,30 @@ class IpaddrUnitTest(unittest.TestCase): self.assertEqual(ipaddress.IPv4Address('1.2.3.1'), hosts[0]) self.assertEqual(ipaddress.IPv4Address('1.2.3.254'), hosts[-1]) + ipv6_network = ipaddress.IPv6Network('2001:658:22a:cafe::/120') + hosts = list(ipv6_network.hosts()) + self.assertEqual(255, len(hosts)) + self.assertEqual(ipaddress.IPv6Address('2001:658:22a:cafe::1'), hosts[0]) + self.assertEqual(ipaddress.IPv6Address('2001:658:22a:cafe::ff'), hosts[-1]) + # special case where only 1 bit is left for address - self.assertEqual([ipaddress.IPv4Address('2.0.0.0'), - ipaddress.IPv4Address('2.0.0.1')], - list(ipaddress.ip_network('2.0.0.0/31').hosts())) + addrs = [ipaddress.IPv4Address('2.0.0.0'), + ipaddress.IPv4Address('2.0.0.1')] + str_args = '2.0.0.0/31' + tpl_args = ('2.0.0.0', 31) + self.assertEqual(addrs, list(ipaddress.ip_network(str_args).hosts())) + self.assertEqual(addrs, list(ipaddress.ip_network(tpl_args).hosts())) + self.assertEqual(list(ipaddress.ip_network(str_args).hosts()), + list(ipaddress.ip_network(tpl_args).hosts())) + + addrs = [ipaddress.IPv6Address('2001:658:22a:cafe::'), + ipaddress.IPv6Address('2001:658:22a:cafe::1')] + str_args = '2001:658:22a:cafe::/127' + tpl_args = ('2001:658:22a:cafe::', 127) + self.assertEqual(addrs, list(ipaddress.ip_network(str_args).hosts())) + self.assertEqual(addrs, list(ipaddress.ip_network(tpl_args).hosts())) + self.assertEqual(list(ipaddress.ip_network(str_args).hosts()), + list(ipaddress.ip_network(tpl_args).hosts())) def testFancySubnetting(self): self.assertEqual(sorted(self.ipv4_network.subnets(prefixlen_diff=3)), |