assertFalse( IP::isIPAddress( false ), 'Boolean false is not an IP' ); $this->assertFalse( IP::isIPAddress( true ), 'Boolean true is not an IP' ); $this->assertFalse( IP::isIPAddress( "" ), 'Empty string is not an IP' ); $this->assertFalse( IP::isIPAddress( 'abc' ), 'Garbage IP string' ); $this->assertFalse( IP::isIPAddress( ':' ), 'Single ":" is not an IP' ); $this->assertFalse( IP::isIPAddress( '2001:0DB8::A:1::1'), 'IPv6 with a double :: occurrence' ); $this->assertFalse( IP::isIPAddress( '2001:0DB8::A:1::'), 'IPv6 with a double :: occurrence, last at end' ); $this->assertFalse( IP::isIPAddress( '::2001:0DB8::5:1'), 'IPv6 with a double :: occurrence, firt at beginning' ); $this->assertFalse( IP::isIPAddress( '124.24.52' ), 'IPv4 not enough quads' ); $this->assertFalse( IP::isIPAddress( '24.324.52.13' ), 'IPv4 out of range' ); $this->assertFalse( IP::isIPAddress( '.24.52.13' ), 'IPv4 starts with period' ); $this->assertFalse( IP::isIPAddress( 'fc:100:300' ), 'IPv6 with only 3 words' ); $this->assertTrue( IP::isIPAddress( '::' ), 'RFC 4291 IPv6 Unspecified Address' ); $this->assertTrue( IP::isIPAddress( '::1' ), 'RFC 4291 IPv6 Loopback Address' ); $this->assertTrue( IP::isIPAddress( '74.24.52.13/20', 'IPv4 range' ) ); $this->assertTrue( IP::isIPAddress( 'fc:100:a:d:1:e:ac:0/24' ), 'IPv6 range' ); $this->assertTrue( IP::isIPAddress( 'fc::100:a:d:1:e:ac/96' ), 'IPv6 range with "::"' ); $validIPs = array( 'fc:100::', 'fc:100:a:d:1:e:ac::', 'fc::100', '::fc:100:a:d:1:e:ac', '::fc', 'fc::100:a:d:1:e:ac', 'fc:100:a:d:1:e:ac:0', '124.24.52.13', '1.24.52.13' ); foreach ( $validIPs as $ip ) { $this->assertTrue( IP::isIPAddress( $ip ), "$ip is a valid IP address" ); } } /** * @covers IP::isIPv6 */ public function testisIPv6() { $this->assertFalse( IP::isIPv6( ':fc:100::' ), 'IPv6 starting with lone ":"' ); $this->assertFalse( IP::isIPv6( 'fc:100:::' ), 'IPv6 ending with a ":::"' ); $this->assertFalse( IP::isIPv6( 'fc:300' ), 'IPv6 with only 2 words' ); $this->assertFalse( IP::isIPv6( 'fc:100:300' ), 'IPv6 with only 3 words' ); $this->assertTrue( IP::isIPv6( 'fc:100::' ) ); $this->assertTrue( IP::isIPv6( 'fc:100:a::' ) ); $this->assertTrue( IP::isIPv6( 'fc:100:a:d::' ) ); $this->assertTrue( IP::isIPv6( 'fc:100:a:d:1::' ) ); $this->assertTrue( IP::isIPv6( 'fc:100:a:d:1:e::' ) ); $this->assertTrue( IP::isIPv6( 'fc:100:a:d:1:e:ac::' ) ); $this->assertFalse( IP::isIPv6( 'fc:100:a:d:1:e:ac:0::' ), 'IPv6 with 8 words ending with "::"' ); $this->assertFalse( IP::isIPv6( 'fc:100:a:d:1:e:ac:0:1::' ), 'IPv6 with 9 words ending with "::"' ); $this->assertFalse( IP::isIPv6( ':::' ) ); $this->assertFalse( IP::isIPv6( '::0:' ), 'IPv6 ending in a lone ":"' ); $this->assertTrue( IP::isIPv6( '::' ), 'IPv6 zero address' ); $this->assertTrue( IP::isIPv6( '::0' ) ); $this->assertTrue( IP::isIPv6( '::fc' ) ); $this->assertTrue( IP::isIPv6( '::fc:100' ) ); $this->assertTrue( IP::isIPv6( '::fc:100:a' ) ); $this->assertTrue( IP::isIPv6( '::fc:100:a:d' ) ); $this->assertTrue( IP::isIPv6( '::fc:100:a:d:1' ) ); $this->assertTrue( IP::isIPv6( '::fc:100:a:d:1:e' ) ); $this->assertTrue( IP::isIPv6( '::fc:100:a:d:1:e:ac' ) ); $this->assertFalse( IP::isIPv6( '::fc:100:a:d:1:e:ac:0' ), 'IPv6 with "::" and 8 words' ); $this->assertFalse( IP::isIPv6( '::fc:100:a:d:1:e:ac:0:1' ), 'IPv6 with 9 words' ); $this->assertFalse( IP::isIPv6( ':fc::100' ), 'IPv6 starting with lone ":"' ); $this->assertFalse( IP::isIPv6( 'fc::100:' ), 'IPv6 ending with lone ":"' ); $this->assertFalse( IP::isIPv6( 'fc:::100' ), 'IPv6 with ":::" in the middle' ); $this->assertTrue( IP::isIPv6( 'fc::100' ), 'IPv6 with "::" and 2 words' ); $this->assertTrue( IP::isIPv6( 'fc::100:a' ), 'IPv6 with "::" and 3 words' ); $this->assertTrue( IP::isIPv6( 'fc::100:a:d', 'IPv6 with "::" and 4 words' ) ); $this->assertTrue( IP::isIPv6( 'fc::100:a:d:1' ), 'IPv6 with "::" and 5 words' ); $this->assertTrue( IP::isIPv6( 'fc::100:a:d:1:e' ), 'IPv6 with "::" and 6 words' ); $this->assertTrue( IP::isIPv6( 'fc::100:a:d:1:e:ac' ), 'IPv6 with "::" and 7 words' ); $this->assertTrue( IP::isIPv6( '2001::df'), 'IPv6 with "::" and 2 words' ); $this->assertTrue( IP::isIPv6( '2001:5c0:1400:a::df'), 'IPv6 with "::" and 5 words' ); $this->assertTrue( IP::isIPv6( '2001:5c0:1400:a::df:2'), 'IPv6 with "::" and 6 words' ); $this->assertFalse( IP::isIPv6( 'fc::100:a:d:1:e:ac:0' ), 'IPv6 with "::" and 8 words' ); $this->assertFalse( IP::isIPv6( 'fc::100:a:d:1:e:ac:0:1' ), 'IPv6 with 9 words' ); $this->assertTrue( IP::isIPv6( 'fc:100:a:d:1:e:ac:0' ) ); } /** * @covers IP::isIPv4 */ public function testisIPv4() { $this->assertFalse( IP::isIPv4( false ), 'Boolean false is not an IP' ); $this->assertFalse( IP::isIPv4( true ), 'Boolean true is not an IP' ); $this->assertFalse( IP::isIPv4( "" ), 'Empty string is not an IP' ); $this->assertFalse( IP::isIPv4( 'abc' ) ); $this->assertFalse( IP::isIPv4( ':' ) ); $this->assertFalse( IP::isIPv4( '124.24.52' ), 'IPv4 not enough quads' ); $this->assertFalse( IP::isIPv4( '24.324.52.13' ), 'IPv4 out of range' ); $this->assertFalse( IP::isIPv4( '.24.52.13' ), 'IPv4 starts with period' ); $this->assertTrue( IP::isIPv4( '124.24.52.13' ) ); $this->assertTrue( IP::isIPv4( '1.24.52.13' ) ); $this->assertTrue( IP::isIPv4( '74.24.52.13/20', 'IPv4 range' ) ); } /** * @covers IP::isValid */ public function testValidIPs() { foreach ( range( 0, 255 ) as $i ) { $a = sprintf( "%03d", $i ); $b = sprintf( "%02d", $i ); $c = sprintf( "%01d", $i ); foreach ( array_unique( array( $a, $b, $c ) ) as $f ) { $ip = "$f.$f.$f.$f"; $this->assertTrue( IP::isValid( $ip ) , "$ip is a valid IPv4 address" ); } } foreach ( range( 0x0, 0xFFFF, 0xF ) as $i ) { $a = sprintf( "%04x", $i ); $b = sprintf( "%03x", $i ); $c = sprintf( "%02x", $i ); foreach ( array_unique( array( $a, $b, $c ) ) as $f ) { $ip = "$f:$f:$f:$f:$f:$f:$f:$f"; $this->assertTrue( IP::isValid( $ip ) , "$ip is a valid IPv6 address" ); } } // test with some abbreviations $this->assertFalse( IP::isValid( ':fc:100::' ), 'IPv6 starting with lone ":"' ); $this->assertFalse( IP::isValid( 'fc:100:::' ), 'IPv6 ending with a ":::"' ); $this->assertFalse( IP::isValid( 'fc:300' ), 'IPv6 with only 2 words' ); $this->assertFalse( IP::isValid( 'fc:100:300' ), 'IPv6 with only 3 words' ); $this->assertTrue( IP::isValid( 'fc:100::' ) ); $this->assertTrue( IP::isValid( 'fc:100:a:d:1:e::' ) ); $this->assertTrue( IP::isValid( 'fc:100:a:d:1:e:ac::' ) ); $this->assertTrue( IP::isValid( 'fc::100' ), 'IPv6 with "::" and 2 words' ); $this->assertTrue( IP::isValid( 'fc::100:a' ), 'IPv6 with "::" and 3 words' ); $this->assertTrue( IP::isValid( '2001::df'), 'IPv6 with "::" and 2 words' ); $this->assertTrue( IP::isValid( '2001:5c0:1400:a::df'), 'IPv6 with "::" and 5 words' ); $this->assertTrue( IP::isValid( '2001:5c0:1400:a::df:2'), 'IPv6 with "::" and 6 words' ); $this->assertTrue( IP::isValid( 'fc::100:a:d:1' ), 'IPv6 with "::" and 5 words' ); $this->assertTrue( IP::isValid( 'fc::100:a:d:1:e:ac' ), 'IPv6 with "::" and 7 words' ); $this->assertFalse( IP::isValid( 'fc:100:a:d:1:e:ac:0::' ), 'IPv6 with 8 words ending with "::"' ); $this->assertFalse( IP::isValid( 'fc:100:a:d:1:e:ac:0:1::' ), 'IPv6 with 9 words ending with "::"' ); } /** * @covers IP::isValid */ public function testInvalidIPs() { // Out of range... foreach ( range( 256, 999 ) as $i ) { $a = sprintf( "%03d", $i ); $b = sprintf( "%02d", $i ); $c = sprintf( "%01d", $i ); foreach ( array_unique( array( $a, $b, $c ) ) as $f ) { $ip = "$f.$f.$f.$f"; $this->assertFalse( IP::isValid( $ip ), "$ip is not a valid IPv4 address" ); } } foreach ( range( 'g', 'z' ) as $i ) { $a = sprintf( "%04s", $i ); $b = sprintf( "%03s", $i ); $c = sprintf( "%02s", $i ); foreach ( array_unique( array( $a, $b, $c ) ) as $f ) { $ip = "$f:$f:$f:$f:$f:$f:$f:$f"; $this->assertFalse( IP::isValid( $ip ) , "$ip is not a valid IPv6 address" ); } } // Have CIDR $ipCIDRs = array( '212.35.31.121/32', '212.35.31.121/18', '212.35.31.121/24', '::ff:d:321:5/96', 'ff::d3:321:5/116', 'c:ff:12:1:ea:d:321:5/120', ); foreach ( $ipCIDRs as $i ) { $this->assertFalse( IP::isValid( $i ), "$i is an invalid IP address because it is a block" ); } // Incomplete/garbage $invalid = array( 'www.xn--var-xla.net', '216.17.184.G', '216.17.184.1.', '216.17.184', '216.17.184.', '256.17.184.1' ); foreach ( $invalid as $i ) { $this->assertFalse( IP::isValid( $i ), "$i is an invalid IP address" ); } } /** * @covers IP::isValidBlock */ public function testValidBlocks() { $valid = array( '116.17.184.5/32', '0.17.184.5/30', '16.17.184.1/24', '30.242.52.14/1', '10.232.52.13/8', '30.242.52.14/0', '::e:f:2001/96', '::c:f:2001/128', '::10:f:2001/70', '::fe:f:2001/1', '::6d:f:2001/8', '::fe:f:2001/0', ); foreach ( $valid as $i ) { $this->assertTrue( IP::isValidBlock( $i ), "$i is a valid IP block" ); } } /** * @covers IP::isValidBlock */ public function testInvalidBlocks() { $invalid = array( '116.17.184.5/33', '0.17.184.5/130', '16.17.184.1/-1', '10.232.52.13/*', '7.232.52.13/ab', '11.232.52.13/', '::e:f:2001/129', '::c:f:2001/228', '::10:f:2001/-1', '::6d:f:2001/*', '::86:f:2001/ab', '::23:f:2001/', ); foreach ( $invalid as $i ) { $this->assertFalse( IP::isValidBlock( $i ), "$i is not a valid IP block" ); } } /** * Improve IP::sanitizeIP() code coverage * @todo Most probably incomplete */ public function testSanitizeIP() { $this->assertNull( IP::sanitizeIP('') ); $this->assertNull( IP::sanitizeIP(' ') ); } /** * test wrapper around ip2long which might return -1 or false depending on PHP version * @covers IP::toUnsigned */ public function testip2longWrapper() { // @todo FIXME: Add more tests ? $this->assertEquals( pow(2,32) - 1, IP::toUnsigned( '255.255.255.255' )); $i = 'IN.VA.LI.D'; $this->assertFalse( IP::toUnSigned( $i ) ); } /** * @covers IP::isPublic */ public function testPrivateIPs() { $private = array( 'fc00::3', 'fc00::ff', '::1', '10.0.0.1', '172.16.0.1', '192.168.0.1' ); foreach ( $private as $p ) { $this->assertFalse( IP::isPublic( $p ), "$p is not a public IP address" ); } $public = array( '2001:5c0:1000:a::133', 'fc::3', '00FC::' ); foreach ( $public as $p ) { $this->assertTrue( IP::isPublic( $p ), "$p is a public IP address" ); } } // Private wrapper used to test CIDR Parsing. private function assertFalseCIDR( $CIDR, $msg='' ) { $ff = array( false, false ); $this->assertEquals( $ff, IP::parseCIDR( $CIDR ), $msg ); } // Private wrapper to test network shifting using only dot notation private function assertNet( $expected, $CIDR ) { $parse = IP::parseCIDR( $CIDR ); $this->assertEquals( $expected, long2ip( $parse[0] ), "network shifting $CIDR" ); } /** * @covers IP::hexToQuad */ public function testHexToQuad() { $this->assertEquals( '0.0.0.1' , IP::hexToQuad( '00000001' ) ); $this->assertEquals( '255.0.0.0' , IP::hexToQuad( 'FF000000' ) ); $this->assertEquals( '255.255.255.255', IP::hexToQuad( 'FFFFFFFF' ) ); $this->assertEquals( '10.188.222.255' , IP::hexToQuad( '0ABCDEFF' ) ); // hex not left-padded... $this->assertEquals( '0.0.0.0' , IP::hexToQuad( '0' ) ); $this->assertEquals( '0.0.0.1' , IP::hexToQuad( '1' ) ); $this->assertEquals( '0.0.0.255' , IP::hexToQuad( 'FF' ) ); $this->assertEquals( '0.0.255.0' , IP::hexToQuad( 'FF00' ) ); } /** * @covers IP::hexToOctet */ public function testHexToOctet() { $this->assertEquals( '0:0:0:0:0:0:0:1', IP::hexToOctet( '00000000000000000000000000000001' ) ); $this->assertEquals( '0:0:0:0:0:0:FF:3', IP::hexToOctet( '00000000000000000000000000FF0003' ) ); $this->assertEquals( '0:0:0:0:0:0:FF00:6', IP::hexToOctet( '000000000000000000000000FF000006' ) ); $this->assertEquals( '0:0:0:0:0:0:FCCF:FAFF', IP::hexToOctet( '000000000000000000000000FCCFFAFF' ) ); $this->assertEquals( 'FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF', IP::hexToOctet( 'FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF' ) ); // hex not left-padded... $this->assertEquals( '0:0:0:0:0:0:0:0' , IP::hexToOctet( '0' ) ); $this->assertEquals( '0:0:0:0:0:0:0:1' , IP::hexToOctet( '1' ) ); $this->assertEquals( '0:0:0:0:0:0:0:FF' , IP::hexToOctet( 'FF' ) ); $this->assertEquals( '0:0:0:0:0:0:0:FFD0' , IP::hexToOctet( 'FFD0' ) ); $this->assertEquals( '0:0:0:0:0:0:FA00:0' , IP::hexToOctet( 'FA000000' ) ); $this->assertEquals( '0:0:0:0:0:0:FCCF:FAFF', IP::hexToOctet( 'FCCFFAFF' ) ); } /** * IP::parseCIDR() returns an array containing a signed IP address * representing the network mask and the bit mask. * @covers IP::parseCIDR */ function testCIDRParsing() { $this->assertFalseCIDR( '192.0.2.0' , "missing mask" ); $this->assertFalseCIDR( '192.0.2.0/', "missing bitmask" ); // Verify if statement $this->assertFalseCIDR( '256.0.0.0/32', "invalid net" ); $this->assertFalseCIDR( '192.0.2.0/AA', "mask not numeric" ); $this->assertFalseCIDR( '192.0.2.0/-1', "mask < 0" ); $this->assertFalseCIDR( '192.0.2.0/33', "mask > 32" ); // Check internal logic # 0 mask always result in array(0,0) $this->assertEquals( array( 0, 0 ), IP::parseCIDR('192.0.0.2/0') ); $this->assertEquals( array( 0, 0 ), IP::parseCIDR('0.0.0.0/0') ); $this->assertEquals( array( 0, 0 ), IP::parseCIDR('255.255.255.255/0') ); // @todo FIXME: Add more tests. # This part test network shifting $this->assertNet( '192.0.0.0' , '192.0.0.2/24' ); $this->assertNet( '192.168.5.0', '192.168.5.13/24'); $this->assertNet( '10.0.0.160' , '10.0.0.161/28' ); $this->assertNet( '10.0.0.0' , '10.0.0.3/28' ); $this->assertNet( '10.0.0.0' , '10.0.0.3/30' ); $this->assertNet( '10.0.0.4' , '10.0.0.4/30' ); $this->assertNet( '172.17.32.0', '172.17.35.48/21' ); $this->assertNet( '10.128.0.0' , '10.135.0.0/9' ); $this->assertNet( '134.0.0.0' , '134.0.5.1/8' ); } /** * @covers IP::canonicalize */ public function testIPCanonicalizeOnValidIp() { $this->assertEquals( '192.0.2.152', IP::canonicalize( '192.0.2.152' ), 'Canonicalization of a valid IP returns it unchanged' ); } /** * @covers IP::canonicalize */ public function testIPCanonicalizeMappedAddress() { $this->assertEquals( '192.0.2.152', IP::canonicalize( '::ffff:192.0.2.152' ) ); $this->assertEquals( '192.0.2.152', IP::canonicalize( '::192.0.2.152' ) ); } /** * Issues there are most probably from IP::toHex() or IP::parseRange() * @covers IP::isInRange * @dataProvider provideIPsAndRanges */ public function testIPIsInRange( $expected, $addr, $range, $message = '' ) { $this->assertEquals( $expected, IP::isInRange( $addr, $range ), $message ); } /** Provider for testIPIsInRange() */ function provideIPsAndRanges() { # Format: (expected boolean, address, range, optional message) return array( # IPv4 array( true , '192.0.2.0' , '192.0.2.0/24', 'Network address' ), array( true , '192.0.2.77' , '192.0.2.0/24', 'Simple address' ), array( true , '192.0.2.255' , '192.0.2.0/24', 'Broadcast address' ), array( false, '0.0.0.0' , '192.0.2.0/24' ), array( false, '255.255.255' , '192.0.2.0/24' ), # IPv6 array( false, '::1' , '2001:DB8::/32' ), array( false, '::' , '2001:DB8::/32' ), array( false, 'FE80::1', '2001:DB8::/32' ), array( true , '2001:DB8::' , '2001:DB8::/32' ), array( true , '2001:0DB8::' , '2001:DB8::/32' ), array( true , '2001:DB8::1' , '2001:DB8::/32' ), array( true , '2001:0DB8::1', '2001:DB8::/32' ), array( true , '2001:0DB8:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF', '2001:DB8::/32' ), array( false, '2001:0DB8:F::', '2001:DB8::/96' ), ); } /** * Test for IP::splitHostAndPort(). * @dataProvider provideSplitHostAndPort */ function testSplitHostAndPort( $expected, $input, $description ) { $this->assertEquals( $expected, IP::splitHostAndPort( $input ), $description ); } /** * Provider for IP::splitHostAndPort() */ function provideSplitHostAndPort() { return array( array( false, '[', 'Unclosed square bracket' ), array( false, '[::', 'Unclosed square bracket 2' ), array( array( '::', false ), '::', 'Bare IPv6 0' ), array( array( '::1', false ), '::1', 'Bare IPv6 1' ), array( array( '::', false ), '[::]', 'Bracketed IPv6 0' ), array( array( '::1', false ), '[::1]', 'Bracketed IPv6 1' ), array( array( '::1', 80 ), '[::1]:80', 'Bracketed IPv6 with port' ), array( false, '::x', 'Double colon but no IPv6' ), array( array( 'x', 80 ), 'x:80', 'Hostname and port' ), array( false, 'x:x', 'Hostname and invalid port' ), array( array( 'x', false ), 'x', 'Plain hostname' ) ); } /** * Test for IP::combineHostAndPort() * @dataProvider provideCombineHostAndPort */ function testCombineHostAndPort( $expected, $input, $description ) { list( $host, $port, $defaultPort ) = $input; $this->assertEquals( $expected, IP::combineHostAndPort( $host, $port, $defaultPort ), $description ); } /** * Provider for IP::combineHostAndPort() */ function provideCombineHostAndPort() { return array( array( '[::1]', array( '::1', 2, 2 ), 'IPv6 default port' ), array( '[::1]:2', array( '::1', 2, 3 ), 'IPv6 non-default port' ), array( 'x', array( 'x', 2, 2 ), 'Normal default port' ), array( 'x:2', array( 'x', 2, 3 ), 'Normal non-default port' ), ); } /** * Test for IP::sanitizeRange() * @dataProvider provideIPCIDRs */ function testSanitizeRange( $input, $expected, $description ) { $this->assertEquals( $expected, IP::sanitizeRange( $input ), $description ); } /** * Provider for IP::testSanitizeRange() */ function provideIPCIDRs() { return array( array( '35.56.31.252/16', '35.56.0.0/16', 'IPv4 range' ), array( '135.16.21.252/24', '135.16.21.0/24', 'IPv4 range' ), array( '5.36.71.252/32', '5.36.71.252/32', 'IPv4 silly range' ), array( '5.36.71.252', '5.36.71.252', 'IPv4 non-range' ), array( '0:1:2:3:4:c5:f6:7/96', '0:1:2:3:4:C5:0:0/96', 'IPv6 range' ), array( '0:1:2:3:4:5:6:7/120', '0:1:2:3:4:5:6:0/120', 'IPv6 range' ), array( '0:e1:2:3:4:5:e6:7/128', '0:E1:2:3:4:5:E6:7/128', 'IPv6 silly range' ), array( '0:c1:A2:3:4:5:c6:7', '0:C1:A2:3:4:5:C6:7', 'IPv6 non range' ), ); } /** * Test for IP::prettifyIP() * @dataProvider provideIPsToPrettify */ function testPrettifyIP( $ip, $prettified ) { $this->assertEquals( $prettified, IP::prettifyIP( $ip ), "Prettify of $ip" ); } /** * Provider for IP::testPrettifyIP() */ function provideIPsToPrettify() { return array( array( '0:0:0:0:0:0:0:0', '::' ), array( '0:0:0::0:0:0', '::' ), array( '0:0:0:1:0:0:0:0', '0:0:0:1::' ), array( '0:0::f', '::f' ), array( '0::0:0:0:33:fef:b', '::33:fef:b' ), array( '3f:535:0:0:0:0:e:fbb', '3f:535::e:fbb' ), array( '0:0:fef:0:0:0:e:fbb', '0:0:fef::e:fbb' ), array( 'abbc:2004::0:0:0:0', 'abbc:2004::' ), array( 'cebc:2004:f:0:0:0:0:0', 'cebc:2004:f::' ), array( '0:0:0:0:0:0:0:0/16', '::/16' ), array( '0:0:0::0:0:0/64', '::/64' ), array( '0:0::f/52', '::f/52' ), array( '::0:0:33:fef:b/52', '::33:fef:b/52' ), array( '3f:535:0:0:0:0:e:fbb/48', '3f:535::e:fbb/48' ), array( '0:0:fef:0:0:0:e:fbb/96', '0:0:fef::e:fbb/96' ), array( 'abbc:2004:0:0::0:0/40', 'abbc:2004::/40' ), array( 'aebc:2004:f:0:0:0:0:0/80', 'aebc:2004:f::/80' ), ); } }