Make Socket::connect try all addresses given.

tests/standalone/io/socket_test.dart

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 //
 // VMOptions=
 // VMOptions=--short_socket_read
 // VMOptions=--short_socket_write
 // VMOptions=--short_socket_read --short_socket_write
 
 import "dart:async";
@@ skipping 181 matching lines @@
               subscription.cancel();
               socket.close();
               server.close();
               asyncEnd();
             },
             onDone: () { Expect.fail("Unexpected pipe completion"); });
     });
   });
 }
 
+
+void testConnectMultipleInternetAddress() {
+  // Ip addresses are invalid, if they start with '0'. We use this fact, to
+  // avoid waiting for timeout.
+  asyncStart();
+  ServerSocket.bind(InternetAddress.LOOPBACK_IP_V4, 0).then((server) {
+    server.listen(
+        (client) {
+          client.destroy();
+          server.close();
+          asyncEnd();
+        });
+    var addresses = [new InternetAddress("0.42.42.42"),
+                     new InternetAddress("127.0.0.1")];
+    Socket.connect(addresses, server.port).then((socket) {
+      socket.destroy();
+    });
+  });
+
+  var addresses = [new InternetAddress("0.42.42.42"),
+                   new InternetAddress("0.42.42.43")];
+  asyncStart();
+  Socket.connect(addresses, 3213)
+      .catchError((error) {
+        Expect.equals("0.42.42.43", error.address.host);
+        asyncEnd();
+      });
+}
+
 main() {
   testArguments();
   testSimpleBind();
   testInvalidBind();
   testConnectImmediateDestroy();
   testConnectConsumerClose();
   testConnectConsumerWriteClose();
   testConnectStreamClose();
   testConnectStreamDataClose(true);
   testConnectStreamDataClose(false);
   testConnectStreamDataCloseCancel(true);
   testConnectStreamDataCloseCancel(false);
+  testConnectMultipleInternetAddress();
 }