#![warn(clippy::redundant_pattern_matching)]
#![allow(
    clippy::match_like_matches_macro,
    clippy::needless_bool,
    clippy::needless_if,
    clippy::uninlined_format_args
)]

use std::net::IpAddr::{self, V4, V6};
use std::net::{Ipv4Addr, Ipv6Addr};

fn main() {
    let ipaddr: IpAddr = V4(Ipv4Addr::LOCALHOST);
    if ipaddr.is_ipv4() {}
    //~^ redundant_pattern_matching

    if V4(Ipv4Addr::LOCALHOST).is_ipv4() {}
    //~^ redundant_pattern_matching

    if V6(Ipv6Addr::LOCALHOST).is_ipv6() {}
    //~^ redundant_pattern_matching

    // Issue 6459
    if V4(Ipv4Addr::LOCALHOST).is_ipv4() {}
    //~^ redundant_pattern_matching

    // Issue 6459
    if V6(Ipv6Addr::LOCALHOST).is_ipv6() {}
    //~^ redundant_pattern_matching

    while V4(Ipv4Addr::LOCALHOST).is_ipv4() {}
    //~^ redundant_pattern_matching

    while V6(Ipv6Addr::LOCALHOST).is_ipv6() {}
    //~^ redundant_pattern_matching

    if V4(Ipv4Addr::LOCALHOST).is_ipv4() {}

    if V6(Ipv6Addr::LOCALHOST).is_ipv6() {}

    if let V4(ipaddr) = V4(Ipv4Addr::LOCALHOST) {
        println!("{}", ipaddr);
    }

    V4(Ipv4Addr::LOCALHOST).is_ipv4();

    V4(Ipv4Addr::LOCALHOST).is_ipv6();

    V6(Ipv6Addr::LOCALHOST).is_ipv6();

    V6(Ipv6Addr::LOCALHOST).is_ipv4();

    let _ = if V4(Ipv4Addr::LOCALHOST).is_ipv4() {
        //~^ redundant_pattern_matching
        true
    } else {
        false
    };

    ipaddr_const();

    let _ = if gen_ipaddr().is_ipv4() {
        //~^ redundant_pattern_matching
        1
    } else if gen_ipaddr().is_ipv6() {
        //~^ redundant_pattern_matching
        2
    } else {
        3
    };
}

fn gen_ipaddr() -> IpAddr {
    V4(Ipv4Addr::LOCALHOST)
}

const fn ipaddr_const() {
    if V4(Ipv4Addr::LOCALHOST).is_ipv4() {}
    //~^ redundant_pattern_matching

    if V6(Ipv6Addr::LOCALHOST).is_ipv6() {}
    //~^ redundant_pattern_matching

    while V4(Ipv4Addr::LOCALHOST).is_ipv4() {}
    //~^ redundant_pattern_matching

    while V6(Ipv6Addr::LOCALHOST).is_ipv6() {}
    //~^ redundant_pattern_matching

    V4(Ipv4Addr::LOCALHOST).is_ipv4();

    V6(Ipv6Addr::LOCALHOST).is_ipv6();
}