diff options
Diffstat (limited to 'Lib/test/test_socket.py')
| -rw-r--r-- | Lib/test/test_socket.py | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/Lib/test/test_socket.py b/Lib/test/test_socket.py index 490f776..e995c99 100644 --- a/Lib/test/test_socket.py +++ b/Lib/test/test_socket.py @@ -757,6 +757,20 @@ class GeneralModuleTests(unittest.TestCase): if not fqhn in all_host_names: self.fail("Error testing host resolution mechanisms. (fqdn: %s, all: %s)" % (fqhn, repr(all_host_names))) + def test_host_resolution(self): + for addr in ['0.1.1.~1', '1+.1.1.1', '::1q', '::1::2', + '1:1:1:1:1:1:1:1:1']: + self.assertRaises(OSError, socket.gethostbyname, addr) + self.assertRaises(OSError, socket.gethostbyaddr, addr) + + for addr in [support.HOST, '10.0.0.1', '255.255.255.255']: + self.assertEqual(socket.gethostbyname(addr), addr) + + # we don't test support.HOSTv6 because there's a chance it doesn't have + # a matching name entry (e.g. 'ip6-localhost') + for host in [support.HOST]: + self.assertIn(host, socket.gethostbyaddr(host)[2]) + @unittest.skipUnless(hasattr(socket, 'sethostname'), "test needs socket.sethostname()") @unittest.skipUnless(hasattr(socket, 'gethostname'), "test needs socket.gethostname()") def test_sethostname(self): |