Test for immutable Lists in ListSet API methods.

runtime/bin/socket_impl.dart

 // Copyright (c) 2011, 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.
 
 
 class _SocketBase {
   // Bit flags used when communicating between the eventhandler and
   // dart code. The EVENT flags are used to indicate events of
   // interest when sending a message from dart code to the
   // eventhandler. When receiving a message from the eventhandler the
@@ skipping 278 matching lines @@
       }
       if (offset < 0) {
         throw new IndexOutOfRangeException(offset);
       }
       if (bytes < 0) {
         throw new IndexOutOfRangeException(bytes);
       }
       if ((offset + bytes) > buffer.length) {
         throw new IndexOutOfRangeException(offset + bytes);
       }
-      return _readList(buffer, offset, bytes);
+      int result = _readList(buffer, offset, bytes);
+      if (result < 0) {
+        throw new SocketIOException("Error: readList failed");

[turnidge, 2011/11/16 18:50:18]

Yeah, here would be a good place to have that error information, perhaps.

+      }
+      return result;
     }
     throw new
         SocketIOException("Error: readList failed - invalid socket handle");
   }
 
   int _readList(List<int> buffer, int offset, int bytes)
       native "Socket_ReadList";
 
   int writeList(List<int> buffer, int offset, int bytes) {
     if (_id >= 0) {
@@ skipping 53 matching lines @@
     return _outputStream;
   }
 
   bool _closedRead = false;
   bool _closedWrite = false;
   bool _pipe = false;
   SocketInputStream _inputStream;
   SocketOutputStream _outputStream;
 }