Add an OutputStream.closed getter.

tests/standalone/io/http_server_socket_test.dart

 // Copyright (c) 2012, 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.
 
 #import("dart:io");
 #import("dart:isolate");
 
 class ExpectedDataOutputStream implements OutputStream {
   ExpectedDataOutputStream(List<int> this._data,
                            int this._cutoff,
@@ skipping 16 matching lines @@
   bool writeFrom(List data, [int offset = 0, int len]) {
     if (len === null) len = data.length - offset;
     _onData(data.getRange(offset, len));
     return true;
   }
 
   void close() {
     _socket.close(true);
   }
 
+  bool get closed() => _socket._closed;

[Søren Gjesse, 2012/08/08 11:49:15]

Not strictly needed here. It is never used and ExpectedDataOutputStream is
already missing other methods from OutputStream.

[nweiz, 2012/08/09 19:39:52]

Removed.

+
   void _onData(List<int> data) {
     // TODO(ajohnsen): To be removed, since the socket should not be written to
     //                 after close.
     if (_socket._closed) return;
     Expect.isFalse(_written > _cutoff);
     Expect.listEquals(data, _data.getRange(0, data.length));
     _data = _data.getRange(data.length, _data.length - data.length);
     _written += data.length;
     if (_written >= _cutoff) {
       // Tell HttpServer that the socket have closed.
@@ skipping 164 matching lines @@
       "GET / HTTP/1.1\r\nKeep-Alive: False\r\n\r\n",
       "HTTP/1.1 200 OK\r\ntransfer-encoding: chunked\r\nconnection: close"
       "\r\n\r\n0\r\n\r\n");
 
   server.close();
 }
 
 void main() {
   testSocketClose();
 }