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-rw-r--r--Lib/test/test_ipaddress.py553
1 files changed, 407 insertions, 146 deletions
diff --git a/Lib/test/test_ipaddress.py b/Lib/test/test_ipaddress.py
index 5cd2ad4d19..61ec0d6e40 100644
--- a/Lib/test/test_ipaddress.py
+++ b/Lib/test/test_ipaddress.py
@@ -5,8 +5,415 @@
import unittest
+import re
+import contextlib
import ipaddress
+class ErrorReporting(unittest.TestCase):
+ # One big change in ipaddress over the original ipaddr module is
+ # error reporting that tries to assume users *don't know the rules*
+ # for what constitutes an RFC compliant IP address
+
+ # Note that if the constructors are refactored so that addresses with
+ # multiple problems get classified differently, that's OK - just
+ # move the affected examples to the newly appropriate test case.
+
+ # The error reporting tests also cover a few corner cases that
+ # specifically *aren't* errors (such as leading zeroes in v6
+ # address parts) that don't have an obvious home in the main test
+ # suite
+
+ @contextlib.contextmanager
+ def assertCleanError(self, exc_type, details, *args):
+ """
+ Ensure exception does not display a context by default
+
+ Wraps unittest.TestCase.assertRaisesRegex
+ """
+ if args:
+ details = details % args
+ cm = self.assertRaisesRegex(exc_type, details)
+ with cm as exc:
+ yield exc
+ # Ensure we produce clean tracebacks on failure
+ if exc.exception.__context__ is not None:
+ self.assertTrue(exc.exception.__suppress_context__)
+
+ def assertAddressError(self, details, *args):
+ """Ensure a clean AddressValueError"""
+ return self.assertCleanError(ipaddress.AddressValueError,
+ details, *args)
+
+ def assertNetmaskError(self, details, *args):
+ """Ensure a clean NetmaskValueError"""
+ return self.assertCleanError(ipaddress.NetmaskValueError,
+ details, *args)
+
+class AddressErrors_v4(ErrorReporting):
+
+ def test_empty_address(self):
+ with self.assertAddressError("Address cannot be empty"):
+ ipaddress.IPv4Address("")
+
+ def test_network_passed_as_address(self):
+ addr = "127.0.0.1/24"
+ with self.assertAddressError("Unexpected '/' in %r", addr):
+ ipaddress.IPv4Address(addr)
+
+ def test_bad_address_split(self):
+ def assertBadSplit(addr):
+ with self.assertAddressError("Expected 4 octets in %r", addr):
+ ipaddress.IPv4Address(addr)
+
+ assertBadSplit("127.0.1")
+ assertBadSplit("42.42.42.42.42")
+ assertBadSplit("42.42.42")
+ assertBadSplit("42.42")
+ assertBadSplit("42")
+ assertBadSplit("42..42.42.42")
+ assertBadSplit("42.42.42.42.")
+ assertBadSplit("42.42.42.42...")
+ assertBadSplit(".42.42.42.42")
+ assertBadSplit("...42.42.42.42")
+ assertBadSplit("016.016.016")
+ assertBadSplit("016.016")
+ assertBadSplit("016")
+ assertBadSplit("000")
+ assertBadSplit("0x0a.0x0a.0x0a")
+ assertBadSplit("0x0a.0x0a")
+ assertBadSplit("0x0a")
+ assertBadSplit(".")
+ assertBadSplit("bogus")
+ assertBadSplit("bogus.com")
+ assertBadSplit("1000")
+ assertBadSplit("1000000000000000")
+ assertBadSplit("192.168.0.1.com")
+
+ def test_empty_octet(self):
+ def assertBadOctet(addr):
+ with self.assertAddressError("Empty octet not permitted in %r",
+ addr):
+ ipaddress.IPv4Address(addr)
+
+ assertBadOctet("42..42.42")
+ assertBadOctet("...")
+
+ def test_invalid_characters(self):
+ def assertBadOctet(addr, octet):
+ msg = "Only decimal digits permitted in %r in %r" % (octet, addr)
+ with self.assertAddressError(re.escape(msg)):
+ ipaddress.IPv4Address(addr)
+
+ assertBadOctet("0x0a.0x0a.0x0a.0x0a", "0x0a")
+ assertBadOctet("42.42.42.-0", "-0")
+ assertBadOctet("42.42.42.+0", "+0")
+ assertBadOctet("42.42.42.-42", "-42")
+ assertBadOctet("+1.+2.+3.4", "+1")
+ assertBadOctet("1.2.3.4e0", "4e0")
+ assertBadOctet("1.2.3.4::", "4::")
+ assertBadOctet("1.a.2.3", "a")
+
+ def test_leading_zeros(self):
+ def assertBadOctet(addr, octet):
+ msg = "Ambiguous leading zero in %r not permitted in %r"
+ with self.assertAddressError(msg, octet, addr):
+ ipaddress.IPv4Address(addr)
+
+ assertBadOctet("016.016.016.016", "016")
+ assertBadOctet("001.000.008.016", "008")
+ self.assertEqual(ipaddress.IPv4Address("192.168.000.001"),
+ ipaddress.IPv4Address("192.168.0.1"))
+
+ def test_octet_limit(self):
+ def assertBadOctet(addr, octet):
+ msg = "Octet %d > 255 not permitted in %r"
+ with self.assertAddressError(msg, octet, addr):
+ ipaddress.IPv4Address(addr)
+
+ assertBadOctet("12345.67899.-54321.-98765", 12345)
+ assertBadOctet("257.0.0.0", 257)
+
+ def test_bad_packed_length(self):
+ def assertBadLength(length):
+ addr = b'\x00' * length
+ msg = "Packed address %r must be exactly 4 bytes" % addr
+ with self.assertAddressError(re.escape(msg)):
+ ipaddress.IPv4Address(addr)
+
+ assertBadLength(3)
+ assertBadLength(5)
+
+
+class AddressErrors_v6(ErrorReporting):
+
+ def test_empty_address(self):
+ with self.assertAddressError("Address cannot be empty"):
+ ipaddress.IPv6Address("")
+
+ def test_network_passed_as_address(self):
+ addr = "::1/24"
+ with self.assertAddressError("Unexpected '/' in %r", addr):
+ ipaddress.IPv6Address(addr)
+
+ def test_bad_address_split_v6_not_enough_parts(self):
+ def assertBadSplit(addr):
+ msg = "At least 3 parts expected in %r"
+ with self.assertAddressError(msg, addr):
+ ipaddress.IPv6Address(addr)
+
+ assertBadSplit(":")
+ assertBadSplit(":1")
+ assertBadSplit("FEDC:9878")
+
+ def test_bad_address_split_v6_too_many_colons(self):
+ def assertBadSplit(addr):
+ msg = "At most 8 colons permitted in %r"
+ with self.assertAddressError(msg, addr):
+ ipaddress.IPv6Address(addr)
+
+ assertBadSplit("9:8:7:6:5:4:3::2:1")
+ assertBadSplit("10:9:8:7:6:5:4:3:2:1")
+ assertBadSplit("::8:7:6:5:4:3:2:1")
+ assertBadSplit("8:7:6:5:4:3:2:1::")
+ # A trailing IPv4 address is two parts
+ assertBadSplit("10:9:8:7:6:5:4:3:42.42.42.42")
+
+ def test_bad_address_split_v6_too_many_parts(self):
+ def assertBadSplit(addr):
+ msg = "Exactly 8 parts expected without '::' in %r"
+ with self.assertAddressError(msg, addr):
+ ipaddress.IPv6Address(addr)
+
+ assertBadSplit("3ffe:0:0:0:0:0:0:0:1")
+ assertBadSplit("9:8:7:6:5:4:3:2:1")
+ assertBadSplit("7:6:5:4:3:2:1")
+ # A trailing IPv4 address is two parts
+ assertBadSplit("9:8:7:6:5:4:3:42.42.42.42")
+ assertBadSplit("7:6:5:4:3:42.42.42.42")
+
+ def test_bad_address_split_v6_too_many_parts_with_double_colon(self):
+ def assertBadSplit(addr):
+ msg = "Expected at most 7 other parts with '::' in %r"
+ with self.assertAddressError(msg, addr):
+ ipaddress.IPv6Address(addr)
+
+ assertBadSplit("1:2:3:4::5:6:7:8")
+
+ def test_bad_address_split_v6_repeated_double_colon(self):
+ def assertBadSplit(addr):
+ msg = "At most one '::' permitted in %r"
+ with self.assertAddressError(msg, addr):
+ ipaddress.IPv6Address(addr)
+
+ assertBadSplit("3ffe::1::1")
+ assertBadSplit("1::2::3::4:5")
+ assertBadSplit("2001::db:::1")
+ assertBadSplit("3ffe::1::")
+ assertBadSplit("::3ffe::1")
+ assertBadSplit(":3ffe::1::1")
+ assertBadSplit("3ffe::1::1:")
+ assertBadSplit(":3ffe::1::1:")
+ assertBadSplit(":::")
+ assertBadSplit('2001:db8:::1')
+
+ def test_bad_address_split_v6_leading_colon(self):
+ def assertBadSplit(addr):
+ msg = "Leading ':' only permitted as part of '::' in %r"
+ with self.assertAddressError(msg, addr):
+ ipaddress.IPv6Address(addr)
+
+ assertBadSplit(":2001:db8::1")
+ assertBadSplit(":1:2:3:4:5:6:7")
+ assertBadSplit(":1:2:3:4:5:6:")
+ assertBadSplit(":6:5:4:3:2:1::")
+
+ def test_bad_address_split_v6_trailing_colon(self):
+ def assertBadSplit(addr):
+ msg = "Trailing ':' only permitted as part of '::' in %r"
+ with self.assertAddressError(msg, addr):
+ ipaddress.IPv6Address(addr)
+
+ assertBadSplit("2001:db8::1:")
+ assertBadSplit("1:2:3:4:5:6:7:")
+ assertBadSplit("::1.2.3.4:")
+ assertBadSplit("::7:6:5:4:3:2:")
+
+ def test_bad_v4_part_in(self):
+ def assertBadAddressPart(addr, v4_error):
+ with self.assertAddressError("%s in %r", v4_error, addr):
+ ipaddress.IPv6Address(addr)
+
+ assertBadAddressPart("3ffe::1.net", "Expected 4 octets in '1.net'")
+ assertBadAddressPart("3ffe::127.0.1",
+ "Expected 4 octets in '127.0.1'")
+ assertBadAddressPart("::1.2.3",
+ "Expected 4 octets in '1.2.3'")
+ assertBadAddressPart("::1.2.3.4.5",
+ "Expected 4 octets in '1.2.3.4.5'")
+ assertBadAddressPart("3ffe::1.1.1.net",
+ "Only decimal digits permitted in 'net' "
+ "in '1.1.1.net'")
+
+ def test_invalid_characters(self):
+ def assertBadPart(addr, part):
+ msg = "Only hex digits permitted in %r in %r" % (part, addr)
+ with self.assertAddressError(re.escape(msg)):
+ ipaddress.IPv6Address(addr)
+
+ assertBadPart("3ffe::goog", "goog")
+ assertBadPart("3ffe::-0", "-0")
+ assertBadPart("3ffe::+0", "+0")
+ assertBadPart("3ffe::-1", "-1")
+ assertBadPart("1.2.3.4::", "1.2.3.4")
+ assertBadPart('1234:axy::b', "axy")
+
+ def test_part_length(self):
+ def assertBadPart(addr, part):
+ msg = "At most 4 characters permitted in %r in %r"
+ with self.assertAddressError(msg, part, addr):
+ ipaddress.IPv6Address(addr)
+
+ assertBadPart("3ffe::10000", "10000")
+ assertBadPart("02001:db8::", "02001")
+ assertBadPart('2001:888888::1', "888888")
+
+ def test_bad_packed_length(self):
+ def assertBadLength(length):
+ addr = b'\x00' * length
+ msg = "Packed address %r must be exactly 16 bytes" % addr
+ with self.assertAddressError(re.escape(msg)):
+ ipaddress.IPv6Address(addr)
+
+ assertBadLength(15)
+ assertBadLength(17)
+
+
+class NetmaskErrorsMixin_v4:
+ """Input validation on interfaces and networks is very similar"""
+
+ @property
+ def factory(self):
+ raise NotImplementedError
+
+ def test_split_netmask(self):
+ addr = "1.2.3.4/32/24"
+ with self.assertAddressError("Only one '/' permitted in %r" % addr):
+ self.factory(addr)
+
+ def test_address_errors(self):
+ def assertBadAddress(addr, details):
+ with self.assertAddressError(details):
+ self.factory(addr)
+
+ assertBadAddress("", "Address cannot be empty")
+ assertBadAddress("bogus", "Expected 4 octets")
+ assertBadAddress("google.com", "Expected 4 octets")
+ assertBadAddress("10/8", "Expected 4 octets")
+ assertBadAddress("::1.2.3.4", "Only decimal digits")
+ assertBadAddress("1.2.3.256", "256 > 255")
+
+ def test_netmask_errors(self):
+ def assertBadNetmask(addr, netmask):
+ msg = "%r is not a valid netmask"
+ with self.assertNetmaskError(msg % netmask):
+ self.factory("%s/%s" % (addr, netmask))
+
+ assertBadNetmask("1.2.3.4", "")
+ assertBadNetmask("1.2.3.4", "33")
+ assertBadNetmask("1.2.3.4", "254.254.255.256")
+ assertBadNetmask("1.1.1.1", "240.255.0.0")
+ assertBadNetmask("1.1.1.1", "1.a.2.3")
+ assertBadNetmask("1.1.1.1", "pudding")
+
+ def test_bad_packed_length(self):
+ def assertBadLength(length):
+ addr = b'\x00' * length
+ msg = "Packed address %r must be exactly 4 bytes" % addr
+ with self.assertAddressError(re.escape(msg)):
+ self.factory(addr)
+
+ assertBadLength(3)
+ assertBadLength(5)
+
+
+class InterfaceErrors_v4(ErrorReporting, NetmaskErrorsMixin_v4):
+ factory = ipaddress.IPv4Interface
+
+class NetworkErrors_v4(ErrorReporting, NetmaskErrorsMixin_v4):
+ factory = ipaddress.IPv4Network
+
+
+class NetmaskErrorsMixin_v6:
+ """Input validation on interfaces and networks is very similar"""
+
+ @property
+ def factory(self):
+ raise NotImplementedError
+
+ def test_split_netmask(self):
+ addr = "cafe:cafe::/128/190"
+ with self.assertAddressError("Only one '/' permitted in %r" % addr):
+ self.factory(addr)
+
+ def test_address_errors(self):
+ def assertBadAddress(addr, details):
+ with self.assertAddressError(details):
+ self.factory(addr)
+
+ assertBadAddress("", "Address cannot be empty")
+ assertBadAddress("google.com", "At least 3 parts")
+ assertBadAddress("1.2.3.4", "At least 3 parts")
+ assertBadAddress("10/8", "At least 3 parts")
+ assertBadAddress("1234:axy::b", "Only hex digits")
+
+ def test_netmask_errors(self):
+ def assertBadNetmask(addr, netmask):
+ msg = "%r is not a valid netmask"
+ with self.assertNetmaskError(msg % netmask):
+ self.factory("%s/%s" % (addr, netmask))
+
+ assertBadNetmask("::1", "")
+ assertBadNetmask("::1", "::1")
+ assertBadNetmask("::1", "1::")
+ assertBadNetmask("::1", "129")
+ assertBadNetmask("::1", "pudding")
+
+ def test_bad_packed_length(self):
+ def assertBadLength(length):
+ addr = b'\x00' * length
+ msg = "Packed address %r must be exactly 16 bytes" % addr
+ with self.assertAddressError(re.escape(msg)):
+ self.factory(addr)
+
+ assertBadLength(15)
+ assertBadLength(17)
+
+
+class InterfaceErrors_v6(ErrorReporting, NetmaskErrorsMixin_v6):
+ factory = ipaddress.IPv6Interface
+
+class NetworkErrors_v6(ErrorReporting, NetmaskErrorsMixin_v6):
+ factory = ipaddress.IPv6Network
+
+
+class FactoryFunctionErrors(ErrorReporting):
+
+ def assertFactoryError(self, factory, kind):
+ """Ensure a clean ValueError with the expected message"""
+ addr = "camelot"
+ msg = '%r does not appear to be an IPv4 or IPv6 %s'
+ with self.assertCleanError(ValueError, msg, addr, kind):
+ factory(addr)
+
+ def test_ip_address(self):
+ self.assertFactoryError(ipaddress.ip_address, "address")
+
+ def test_ip_interface(self):
+ self.assertFactoryError(ipaddress.ip_interface, "interface")
+
+ def test_ip_network(self):
+ self.assertFactoryError(ipaddress.ip_network, "network")
+
class IpaddrUnitTest(unittest.TestCase):
@@ -46,104 +453,6 @@ class IpaddrUnitTest(unittest.TestCase):
self.assertRaises(ValueError, ipaddress.v6_int_to_packed,
2 ** ipaddress.IPV6LENGTH)
- def testInvalidStringsInAddressFactory(self):
- def AssertInvalidIP(ip_str):
- with self.assertRaises(ValueError) as ex:
- ipaddress.ip_address(ip_str)
- self.assertIsNone(ex.exception.__context__)
-
- AssertInvalidIP("")
- AssertInvalidIP("016.016.016.016")
- AssertInvalidIP("016.016.016")
- AssertInvalidIP("016.016")
- AssertInvalidIP("016")
- AssertInvalidIP("000.000.000.000")
- AssertInvalidIP("000")
- AssertInvalidIP("0x0a.0x0a.0x0a.0x0a")
- AssertInvalidIP("0x0a.0x0a.0x0a")
- AssertInvalidIP("0x0a.0x0a")
- AssertInvalidIP("0x0a")
- AssertInvalidIP("42.42.42.42.42")
- AssertInvalidIP("42.42.42")
- AssertInvalidIP("42.42")
- AssertInvalidIP("42")
- AssertInvalidIP("42..42.42")
- AssertInvalidIP("42..42.42.42")
- AssertInvalidIP("42.42.42.42.")
- AssertInvalidIP("42.42.42.42...")
- AssertInvalidIP(".42.42.42.42")
- AssertInvalidIP("...42.42.42.42")
- AssertInvalidIP("42.42.42.-0")
- AssertInvalidIP("42.42.42.+0")
- AssertInvalidIP(".")
- AssertInvalidIP("...")
- AssertInvalidIP("bogus")
- AssertInvalidIP("bogus.com")
- AssertInvalidIP("192.168.0.1.com")
- AssertInvalidIP("12345.67899.-54321.-98765")
- AssertInvalidIP("257.0.0.0")
- AssertInvalidIP("42.42.42.-42")
- AssertInvalidIP("3ffe::1.net")
- AssertInvalidIP("3ffe::1::1")
- AssertInvalidIP("1::2::3::4:5")
- AssertInvalidIP("::7:6:5:4:3:2:")
- AssertInvalidIP(":6:5:4:3:2:1::")
- AssertInvalidIP("2001::db:::1")
- AssertInvalidIP("FEDC:9878")
- AssertInvalidIP("+1.+2.+3.4")
- AssertInvalidIP("1.2.3.4e0")
- AssertInvalidIP("::7:6:5:4:3:2:1:0")
- AssertInvalidIP("7:6:5:4:3:2:1:0::")
- AssertInvalidIP("9:8:7:6:5:4:3::2:1")
- AssertInvalidIP("0:1:2:3::4:5:6:7")
- AssertInvalidIP("3ffe:0:0:0:0:0:0:0:1")
- AssertInvalidIP("3ffe::10000")
- AssertInvalidIP("3ffe::goog")
- AssertInvalidIP("3ffe::-0")
- AssertInvalidIP("3ffe::+0")
- AssertInvalidIP("3ffe::-1")
- AssertInvalidIP(":")
- AssertInvalidIP(":::")
- AssertInvalidIP("::1.2.3")
- AssertInvalidIP("::1.2.3.4.5")
- AssertInvalidIP("::1.2.3.4:")
- AssertInvalidIP("1.2.3.4::")
- AssertInvalidIP("2001:db8::1:")
- AssertInvalidIP(":2001:db8::1")
- AssertInvalidIP(":1:2:3:4:5:6:7")
- AssertInvalidIP("1:2:3:4:5:6:7:")
- AssertInvalidIP(":1:2:3:4:5:6:")
- AssertInvalidIP("1000")
- AssertInvalidIP("1000000000000000")
- AssertInvalidIP("02001:db8::")
- self.assertRaises(ValueError, ipaddress.ip_interface, 'bogus')
-
- def testInvalidStringsInConstructors(self):
- def AssertInvalidIP(ip_class, ip_str):
- with self.assertRaises(ipaddress.AddressValueError) as ex:
- ip_class(ip_str)
- if ex.exception.__context__ is not None:
- # Provide clean tracebacks by default
- self.assertTrue(ex.exception.__suppress_context__)
-
- AssertInvalidIP(ipaddress.IPv4Address, '127.0.0.1/32')
- AssertInvalidIP(ipaddress.IPv4Address(1)._ip_int_from_string,
- '1.a.2.3')
- AssertInvalidIP(ipaddress.IPv4Interface, '')
- AssertInvalidIP(ipaddress.IPv4Interface, 'google.com')
- AssertInvalidIP(ipaddress.IPv6Address, '1234:axy::b')
- AssertInvalidIP(ipaddress.IPv6Address, '2001:db8:::1')
- AssertInvalidIP(ipaddress.IPv6Address, '2001:888888::1')
- AssertInvalidIP(ipaddress.IPv4Interface, '::1.2.3.4')
- AssertInvalidIP(ipaddress.IPv6Interface, '')
- AssertInvalidIP(ipaddress.IPv6Interface, 'google.com')
- AssertInvalidIP(ipaddress.IPv6Interface, '1.2.3.4')
- AssertInvalidIP(ipaddress.IPv6Interface, 'cafe:cafe::/128/190')
- AssertInvalidIP(ipaddress.IPv6Interface, '1234:axy::b')
-
- def testInvalidHostmask(self):
- self.assertFalse(ipaddress.IPv4Interface(1)._is_hostmask('1.a.2.3'))
-
def testInternals(self):
first, last = ipaddress._find_address_range([
ipaddress.IPv4Address('10.10.10.10'),
@@ -278,22 +587,6 @@ class IpaddrUnitTest(unittest.TestCase):
self.assertEqual(address('::'),
address(b'\x00' * 16))
- def testIpFromPackedErrors(self):
- def assertInvalidPackedAddress(f, length):
- self.assertRaises(ValueError, f, b'\x00' * length)
- assertInvalidPackedAddress(ipaddress.ip_address, 3)
- assertInvalidPackedAddress(ipaddress.ip_address, 5)
- assertInvalidPackedAddress(ipaddress.ip_address, 15)
- assertInvalidPackedAddress(ipaddress.ip_address, 17)
- assertInvalidPackedAddress(ipaddress.ip_interface, 3)
- assertInvalidPackedAddress(ipaddress.ip_interface, 5)
- assertInvalidPackedAddress(ipaddress.ip_interface, 15)
- assertInvalidPackedAddress(ipaddress.ip_interface, 17)
- assertInvalidPackedAddress(ipaddress.ip_network, 3)
- assertInvalidPackedAddress(ipaddress.ip_network, 5)
- assertInvalidPackedAddress(ipaddress.ip_network, 15)
- assertInvalidPackedAddress(ipaddress.ip_network, 17)
-
def testGetIp(self):
self.assertEqual(int(self.ipv4_interface.ip), 16909060)
self.assertEqual(str(self.ipv4_interface.ip), '1.2.3.4')
@@ -508,38 +801,6 @@ class IpaddrUnitTest(unittest.TestCase):
self.assertFalse(ipaddress.IPv4Network('1.1.0.0/16').__contains__(
ipaddress.IPv4Network('1.0.0.0/15')))
- def testBadAddress(self):
- self.assertRaises(ipaddress.AddressValueError, ipaddress.IPv4Interface,
- 'poop')
- self.assertRaises(ipaddress.AddressValueError,
- ipaddress.IPv4Interface, '1.2.3.256')
-
- self.assertRaises(ipaddress.AddressValueError, ipaddress.IPv6Interface,
- 'poopv6')
- self.assertRaises(ipaddress.AddressValueError,
- ipaddress.IPv4Interface, '1.2.3.4/32/24')
- self.assertRaises(ipaddress.AddressValueError,
- ipaddress.IPv4Network, '1.2.3.4/32/24')
- self.assertRaises(ipaddress.AddressValueError,
- ipaddress.IPv4Interface, '10/8')
- self.assertRaises(ipaddress.AddressValueError,
- ipaddress.IPv6Interface, '10/8')
-
-
- def testBadNetMask(self):
- self.assertRaises(ipaddress.NetmaskValueError,
- ipaddress.IPv4Interface, '1.2.3.4/')
- self.assertRaises(ipaddress.NetmaskValueError,
- ipaddress.IPv4Interface, '1.2.3.4/33')
- self.assertRaises(ipaddress.NetmaskValueError,
- ipaddress.IPv4Interface, '1.2.3.4/254.254.255.256')
- self.assertRaises(ipaddress.NetmaskValueError,
- ipaddress.IPv4Interface, '1.1.1.1/240.255.0.0')
- self.assertRaises(ipaddress.NetmaskValueError,
- ipaddress.IPv6Interface, '::1/')
- self.assertRaises(ipaddress.NetmaskValueError,
- ipaddress.IPv6Interface, '::1/129')
-
def testNth(self):
self.assertEqual(str(self.ipv4_network[5]), '1.2.3.5')
self.assertRaises(IndexError, self.ipv4_network.__getitem__, 256)
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