Add some Websocket tests.

tests/standalone/io/web_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 168 matching lines @@
         webSocket.close();
       });
 
       createClient(server.port).then((webSocket) {
           webSocket.listen((_) { }, onDone: webSocket.close);
         });
     });
   }
 
 
+  void testImmediateCloseServer() {
+    createServer().then((server) {
+      server.listen((request) {
+        WebSocketTransformer.upgrade(request)
+            .then((webSocket) {
+              webSocket.close();
+              webSocket.listen((_) { }, onDone: server.close);

[Søren Gjesse, 2013/03/05 11:21:37]

Expect no messages.

[Anders Johnsen, 2013/03/05 11:30:58]

Done.

+            });
+      });
+
+      createClient(server.port).then((webSocket) {
+          webSocket.listen((_) { }, onDone: webSocket.close);

[Søren Gjesse, 2013/03/05 11:21:37]

Ditto.

[Anders Johnsen, 2013/03/05 11:30:58]

Done.

+        });
+    });
+  }
+
+
+  void testImmediateCloseClient() {
+    createServer().then((server) {
+      server.listen((request) {
+        WebSocketTransformer.upgrade(request)
+            .then((webSocket) {
+              webSocket.listen((_) { }, onDone: () {

[Søren Gjesse, 2013/03/05 11:21:37]

Ditto.

[Anders Johnsen, 2013/03/05 11:30:58]

Done.

+                server.close();
+                webSocket.close();
+              });
+            });
+      });
+
+      createClient(server.port).then((webSocket) {
+          webSocket.close();
+          webSocket.listen((_) { }, onDone: webSocket.close);

[Søren Gjesse, 2013/03/05 11:21:37]

Ditto.

[Anders Johnsen, 2013/03/05 11:30:58]

Done.

+        });
+    });
+  }
+
+
   void testNoUpgrade() {
     createServer().then((server) {
       // Create a server which always responds with NOT_FOUND.
       server.listen((request) {
         request.response.statusCode = HttpStatus.NOT_FOUND;
         request.response.close();
       });
 
       createClient(server.port).catchError((error) {
         server.close();
@@ skipping 143 matching lines @@
     testRequestResponseServerCloses(2, null, null);
     testRequestResponseServerCloses(2, 3001, null);
     testRequestResponseServerCloses(2, 3002, "Got tired");
     testMessageLength(125);
     testMessageLength(126);
     testMessageLength(127);
     testMessageLength(65535);
     testMessageLength(65536);
     testDoubleCloseClient();
     testDoubleCloseServer();
+    testImmediateCloseServer();
+    testImmediateCloseClient();
     testNoUpgrade();
     testUsePOST();
     testConnections(10, 3002, "Got tired");
     testIndivitualUpgrade(5);
   }
 }
 
 
 void initializeSSL() {
   var testPkcertDatabase =
       new Path(new Options().script).directoryPath.append("pkcert/");
   SecureSocket.initialize(database: testPkcertDatabase.toNativePath(),
                           password: "dartdart");
 }
 
 
 main() {
   new SecurityConfiguration(secure: false).runTests();
   initializeSSL();
   new SecurityConfiguration(secure: true).runTests();
 }