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Change the IP address in the connect_timeout_unroutable test. #57506

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Change the IP address in the connect_timeout_unroutable test. #57506

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10 changes: 7 additions & 3 deletions src/libstd/net/tcp.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1675,9 +1675,13 @@ mod tests {

#[test]
fn connect_timeout_unroutable() {
// this IP is unroutable, so connections should always time out,
// provided the network is reachable to begin with.
let addr = "10.255.255.1:80".parse().unwrap();
// We want an IP address that is always unreachable and will trigger a
// timeout, regardless of whether a network connection is available or
// not. IPv4 doesn't have any address that is guaranteed to be
// unreachable, but 192.0.2.0 is part of the TEST-NET-1 address block,
// which is reserved for documentation and examples, and so is very
// likely to be unreachable.
let addr = "192.0.2.0:80".parse().unwrap();
let e = TcpStream::connect_timeout(&addr, Duration::from_millis(250)).unwrap_err();
assert!(e.kind() == io::ErrorKind::TimedOut ||
e.kind() == io::ErrorKind::Other,
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