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Fix Ipv6Addr to_str for ::1:x.x.x.x addresses #8352

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Fix Ipv6Addr to_str for ::1:x.x.x.x addresses #8352

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9 changes: 8 additions & 1 deletion src/libstd/rt/io/net/ip.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -43,7 +43,7 @@ impl ToStr for IpAddr {
}

// Ipv4-Mapped address
Ipv6Addr(0, 0, 0, 0, 0, 1, g, h) => {
Ipv6Addr(0, 0, 0, 0, 0, 0xFFFF, g, h) => {
let a = fmt!("%04x", g as uint);
let b = FromStrRadix::from_str_radix(a.slice(2, 4), 16).unwrap();
let a = FromStrRadix::from_str_radix(a.slice(0, 2), 16).unwrap();
Expand Down Expand Up @@ -437,4 +437,11 @@ mod test {
// port out of range
assert_eq!(None, FromStr::from_str::<SocketAddr>("127.0.0.1:123456"));
}

#[test]
fn ipv6_addr_to_str() {
let a1 = Ipv6Addr(0, 0, 0, 0, 0, 0xffff, 0xc000, 0x280);
assert!(a1.to_str() == ~"::ffff:192.0.2.128" || a1.to_str() == ~"::FFFF:192.0.2.128");
}

}