ipaddress 0.2.8

an library to handle ipv4 and ipv6 numbers
Documentation 
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extern crate ipaddress;
extern crate num;

#[cfg(test)]
mod tests {
    use ipaddress::IPAddress;

    // use std::str::FromStr;

    pub struct IPAddressTest {
        pub valid_ipv4: &'static str,
        pub valid_ipv6: &'static str,
        pub valid_mapped: &'static str,
        pub invalid_ipv4: &'static str,
        pub invalid_ipv6: &'static str,
        pub invalid_mapped: &'static str,
    }

    pub fn setup() -> IPAddressTest {
        return IPAddressTest {
            valid_ipv4: "172.16.10.1/24",
            valid_ipv6: "2001:db8::8:800:200c:417a/64",
            valid_mapped: "::13.1.68.3",

            invalid_ipv4: "10.0.0.256",
            invalid_ipv6: ":1:2:3:4:5:6:7",
            invalid_mapped: "::1:2.3.4",
        };
    }

    #[test]
    pub fn test_method_ipaddress() {
        assert!(IPAddress::parse(setup().valid_ipv4).is_ok());
        assert!(IPAddress::parse(setup().valid_ipv6).is_ok());
        assert!(IPAddress::parse(setup().valid_mapped).is_ok());

        assert!(IPAddress::parse(setup().valid_ipv4).unwrap().is_ipv4());
        assert!(IPAddress::parse(setup().valid_ipv6).unwrap().is_ipv6());
        assert!(IPAddress::parse(setup().valid_mapped).unwrap().is_mapped());

        assert!(IPAddress::parse(setup().invalid_ipv4).is_err());
        assert!(IPAddress::parse(setup().invalid_ipv6).is_err());
        assert!(IPAddress::parse(setup().invalid_mapped).is_err());
    }
    #[test]
    pub fn test_module_method_valid() {
        assert_eq!(true, IPAddress::is_valid("10.0.0.1"));
        assert_eq!(true, IPAddress::is_valid("10.0.0.0"));
        assert_eq!(true, IPAddress::is_valid("2002::1"));
        assert_eq!(true, IPAddress::is_valid("dead:beef:cafe:babe::f0ad"));
        assert_eq!(false, IPAddress::is_valid("10.0.0.256"));
        assert_eq!(false, IPAddress::is_valid("10.0.0.0.0"));
        assert_eq!(true, IPAddress::is_valid("10.0.0"));
        assert_eq!(true, IPAddress::is_valid("10.0"));
        assert_eq!(false, IPAddress::is_valid("2002:516:2:200"));
        assert_eq!(false, IPAddress::is_valid("2002:::1"));
    }
    #[test]
    pub fn test_module_method_valid_ipv4_netmark() {
        assert_eq!(true, IPAddress::is_valid_netmask("255.255.255.0"));
        assert_eq!(false, IPAddress::is_valid_netmask("10.0.0.1"));
    }
    #[test]
    pub fn test_summarize() {
        let mut netstr: Vec<String> = Vec::new();
        for range in vec![
            (1..10),
            (11..127),
            (128..169),
            (170..172),
            (173..192),
            (193..224),
        ] {
            for i in range {
                netstr.push(format!("{}.0.0.0/8", i));
            }
        }
        for i in 0..256 {
            if i != 254 {
                netstr.push(format!("169.{}.0.0/16", i));
            }
        }
        for i in 0..256 {
            if i < 16 || 31 < i {
                netstr.push(format!("172.{}.0.0/16", i));
            }
        }
        for i in 0..256 {
            if i != 168 {
                netstr.push(format!("192.{}.0.0/16", i));
            }
        }
        let mut ip_addresses = Vec::new();
        for net in netstr {
            ip_addresses.push(IPAddress::parse(net).unwrap());
        }

        let empty_vec: Vec<String> = Vec::new();
        assert_eq!(IPAddress::summarize_str(empty_vec).unwrap().len(), 0);
        assert_eq!(
            IPAddress::to_string_vec(&IPAddress::summarize_str(vec!["10.1.0.4/24"]).unwrap()),
            ["10.1.0.0/24"]
        );
        assert_eq!(
            IPAddress::to_string_vec(&IPAddress::summarize_str(vec!["2000:1::4711/32"]).unwrap()),
            ["2000:1::/32"]
        );

        assert_eq!(
            IPAddress::to_string_vec(
                &IPAddress::summarize_str(vec!["10.1.0.4/24", "7.0.0.0/0", "1.2.3.4/4"]).unwrap()
            ),
            ["0.0.0.0/0"]
        );
        assert_eq!(
            IPAddress::to_string_vec(
                &IPAddress::summarize_str(vec![
                    "2000:1::/32",
                    "3000:1::/32",
                    "2000:2::/32",
                    "2000:3::/32",
                    "2000:4::/32",
                    "2000:5::/32",
                    "2000:6::/32",
                    "2000:7::/32",
                    "2000:8::/32"
                ])
                .unwrap()
            ),
            [
                "2000:1::/32",
                "2000:2::/31",
                "2000:4::/30",
                "2000:8::/32",
                "3000:1::/32"
            ]
        );

        assert_eq!(
            IPAddress::to_string_vec(
                &IPAddress::summarize_str(vec![
                    "10.0.1.1/24",
                    "30.0.1.0/16",
                    "10.0.2.0/24",
                    "10.0.3.0/24",
                    "10.0.4.0/24",
                    "10.0.5.0/24",
                    "10.0.6.0/24",
                    "10.0.7.0/24",
                    "10.0.8.0/24"
                ])
                .unwrap()
            ),
            [
                "10.0.1.0/24",
                "10.0.2.0/23",
                "10.0.4.0/22",
                "10.0.8.0/24",
                "30.0.0.0/16"
            ]
        );

        assert_eq!(
            IPAddress::to_string_vec(
                &IPAddress::summarize_str(vec!["10.0.0.0/23", "10.0.2.0/24"]).unwrap()
            ),
            ["10.0.0.0/23", "10.0.2.0/24"]
        );
        assert_eq!(
            IPAddress::to_string_vec(
                &IPAddress::summarize_str(vec!["10.0.0.0/24", "10.0.1.0/24", "10.0.2.0/23"])
                    .unwrap()
            ),
            ["10.0.0.0/22"]
        );

        assert_eq!(
            IPAddress::to_string_vec(
                &IPAddress::summarize_str(vec!["10.0.0.0/16", "10.0.2.0/24"]).unwrap()
            ),
            ["10.0.0.0/16"]
        );

        let mut cnt = 10;
        // geht nicht
        if cfg!(debug_assertions) {
            cnt = 10;
        }
        for _ in 0..cnt {
            assert_eq!(
                IPAddress::to_string_vec(&IPAddress::summarize(&ip_addresses)),
                vec![
                    "1.0.0.0/8",
                    "2.0.0.0/7",
                    "4.0.0.0/6",
                    "8.0.0.0/7",
                    "11.0.0.0/8",
                    "12.0.0.0/6",
                    "16.0.0.0/4",
                    "32.0.0.0/3",
                    "64.0.0.0/3",
                    "96.0.0.0/4",
                    "112.0.0.0/5",
                    "120.0.0.0/6",
                    "124.0.0.0/7",
                    "126.0.0.0/8",
                    "128.0.0.0/3",
                    "160.0.0.0/5",
                    "168.0.0.0/8",
                    "169.0.0.0/9",
                    "169.128.0.0/10",
                    "169.192.0.0/11",
                    "169.224.0.0/12",
                    "169.240.0.0/13",
                    "169.248.0.0/14",
                    "169.252.0.0/15",
                    "169.255.0.0/16",
                    "170.0.0.0/7",
                    "172.0.0.0/12",
                    "172.32.0.0/11",
                    "172.64.0.0/10",
                    "172.128.0.0/9",
                    "173.0.0.0/8",
                    "174.0.0.0/7",
                    "176.0.0.0/4",
                    "192.0.0.0/9",
                    "192.128.0.0/11",
                    "192.160.0.0/13",
                    "192.169.0.0/16",
                    "192.170.0.0/15",
                    "192.172.0.0/14",
                    "192.176.0.0/12",
                    "192.192.0.0/10",
                    "193.0.0.0/8",
                    "194.0.0.0/7",
                    "196.0.0.0/6",
                    "200.0.0.0/5",
                    "208.0.0.0/4"
                ]
            );
        }
        // end
        // printer = RubyProf::GraphPrinter.new(result)
        // printer.print(STDOUT, {})
        // test imutable input parameters
        let a1 = IPAddress::parse("10.0.0.1/24").unwrap();
        let a2 = IPAddress::parse("10.0.1.1/24").unwrap();
        assert_eq!(
            IPAddress::to_string_vec(&IPAddress::summarize(&vec![a1.clone(), a2.clone()])),
            ["10.0.0.0/23"]
        );
        assert_eq!("10.0.0.1/24", a1.to_string());
        assert_eq!("10.0.1.1/24", a2.to_string());
    }
}