Att socket conversion tests

Author: faern

src/net.rs

@@ -970,7 +970,8 @@ impl WsaExtension {
 #[cfg(test)]
 mod tests {
     use std::io::prelude::*;
-    use std::net::{SocketAddr, TcpListener, TcpStream, UdpSocket};
+    use std::net::{IpAddr, Ipv4Addr, Ipv6Addr, SocketAddr, TcpListener, TcpStream, UdpSocket};
+    use std::slice;
     use std::thread;
 
     use socket2::{Domain, Socket, Type};
@@ -1239,4 +1240,16 @@ mod tests {
             assert_eq!(addrs.remote(), Some(remote));
         })
     }
+
+    #[test]
+    fn sockaddr_convert() {
+        let addr = SocketAddr::new(IpAddr::V4(Ipv4Addr::new(3, 4, 5, 6)), 0xabcd);
+        let (raw_addr, addr_len) = super::socket_addr_to_ptrs(&addr);
+        assert_eq!(addr_len, 16);
+        let addr_bytes = unsafe { slice::from_raw_parts(raw_addr as *const u8, addr_len as usize) };
+        assert_eq!(addr_bytes, &[2, 0, 0xab, 0xcd, 3, 4, 5, 6, 0, 0, 0, 0, 0, 0, 0, 0]);
+
+        let addr2 = unsafe { super::ptrs_to_socket_addr(raw_addr, addr_len).unwrap() };
+        assert_eq!(addr, addr2);
+    }
 }