[
    {
        "description": "validation of IPv6 addresses",
        "schema": {"format": "ipv6"},
        "tests": [
            {
                "description": "a valid IPv6 address",
                "data": "::1",
                "valid": true
            },
            {
                "description": "an IPv6 address with out-of-range values",
                "data": "12345::",
                "valid": false
            },
            {
                "description": "an IPv6 address with too many components",
                "data": "1:1:1:1:1:1:1:1:1:1:1:1:1:1:1:1",
                "valid": false
            },
            {
                "description": "an IPv6 address containing illegal characters",
                "data": "::laptop",
                "valid": false
            },
            {
                "description": "no digits is valid",
                "data": "::",
                "valid": true
            },
            {
                "description": "leading colons is valid",
                "data": "::42:ff:1",
                "valid": true
            },
            {
                "description": "trailing colons is valid",
                "data": "d6::",
                "valid": true
            },
            {
                "description": "missing leading octet is invalid",
                "data": ":2:3:4:5:6:7:8",
                "valid": false
            },
            {
                "description": "missing trailing octet is invalid",
                "data": "1:2:3:4:5:6:7:",
                "valid": false
            },
            {
                "description": "missing leading octet with omitted octets later",
                "data": ":2:3:4::8",
                "valid": false
            },
            {
                "description": "two sets of double colons is invalid",
                "data": "1::d6::42",
                "valid": false
            },
            {
                "description": "mixed format with the ipv4 section as decimal octets",
                "data": "1::d6:192.168.0.1",
                "valid": true
            },
            {
                "description": "mixed format with double colons between the sections",
                "data": "1:2::192.168.0.1",
                "valid": true
            },
            {
                "description": "mixed format with ipv4 section with octet out of range",
                "data": "1::2:192.168.256.1",
                "valid": false
            },
            {
                "description": "mixed format with ipv4 section with a hex octet",
                "data": "1::2:192.168.ff.1",
                "valid": false
            },
            {
                "description": "mixed format with leading double colons (ipv4-mapped ipv6 address)",
                "data": "::ffff:192.168.0.1",
                "valid": true
            },
            {
                "description": "triple colons is invalid",
                "data": "1:2:3:4:5:::8",
                "valid": false
            },
            {
                "description": "8 octets",
                "data": "1:2:3:4:5:6:7:8",
                "valid": true
            },
            {
                "description": "insufficient octets without double colons",
                "data": "1:2:3:4:5:6:7",
                "valid": false
            },
            {
                "description": "no colons is invalid",
                "data": "1",
                "valid": false
            },
            {
                "description": "ipv4 is not ipv6",
                "data": "127.0.0.1",
                "valid": false
            },
            {
                "description": "ipv4 segment must have 4 octets",
                "data": "1:2:3:4:1.2.3",
                "valid": false
            },
            {
                "description": "leading whitespace is invalid",
                "data": "  ::1",
                "valid": false
            },
            {
                "description": "trailing whitespace is invalid",
                "data": "::1  ",
                "valid": false
            },
            {
                "description": "netmask is not a part of ipv6 address",
                "data": "fe80::/64",
                "valid": false
            },
            {
                "description": "zone id is not a part of ipv6 address",
                "data": "fe80::a%eth1",
                "valid": false
            },
            {
                "description": "a long valid ipv6",
                "data": "1000:1000:1000:1000:1000:1000:255.255.255.255",
                "valid": true
            },
            {
                "description": "a long invalid ipv6, below length limit, first",
                "data": "100:100:100:100:100:100:255.255.255.255.255",
                "valid": false
            },
            {
                "description": "a long invalid ipv6, below length limit, second",
                "data": "100:100:100:100:100:100:100:255.255.255.255",
                "valid": false
            }
        ]
    }
]
