Add a hash code to client and server web socket connections

tests/standalone/io/web_socket_test.dart

Index: tests/standalone/io/web_socket_test.dart
diff --git a/tests/standalone/io/web_socket_test.dart b/tests/standalone/io/web_socket_test.dart
index 7f2017c8f5023559dec8caf888338d1f5d020ffc..2eab3bace7b6c33f41d4c9a4e4ecd17174e675ad 100644
--- a/tests/standalone/io/web_socket_test.dart
+++ b/tests/standalone/io/web_socket_test.dart
@@ -150,6 +150,31 @@ void testUsePOST() {
 }
 
 
+void testHashCode() {

[Mads Ager (google), 2012/05/14 09:19:39]

How about extending this with a case where you put them in a hash map and find
them again?

[Søren Gjesse, 2012/05/14 15:52:41]

Done.

+  HttpServer server = new HttpServer();
+  HttpClient client = new HttpClient();
+
+  server.listen("127.0.0.1", 0, 5);
+
+  // Create a web socket handler and set is as the HTTP server default
+  // handler.
+  WebSocketHandler wsHandler = new WebSocketHandler();
+  wsHandler.onOpen = (WebSocketConnection conn) {
+    Expect.isNotNull(conn.hashCode());
+    conn.close();
+  };
+  server.defaultRequestHandler = wsHandler.onRequest;
+
+  HttpClientConnection conn = client.get("127.0.0.1", server.port, "/");
+  WebSocketClientConnection wsconn = new WebSocketClientConnection(conn);
+  Expect.isNotNull(wsconn.hashCode());
+  wsconn.onClosed = (status, reason) {
+    client.shutdown();
+    server.close();
+  };
+}
+
+
 void testW3CInterface(
     int totalConnections, int closeStatus, String closeReason) {
   HttpServer server = new HttpServer();
@@ -232,6 +257,7 @@ main() {
   testRequestResponseServerCloses(2, 3002, "Got tired");
   testNoUpgrade();
   testUsePOST();
+  testHashCode();
 
   testW3CInterface(2, 3002, "Got tired");
 }