diff --git a/test/worker.js b/test/worker.js
new file mode 100644
index 000000000..c5426326b
--- /dev/null
+++ b/test/worker.js
@@ -0,0 +1,20 @@
+importScripts('/socket.io/socket.io.js');
+
+self.onmessage = function (ev) {
+  var url = ev.data
+    , socket = io.connect(url);
+
+  socket.on('done', function () {
+    self.postMessage('done!');
+  });
+
+  socket.on('connect_failed', function () {
+    self.postMessage('connect failed');
+  });
+
+  socket.on('error', function () {
+    self.postMessage('error');
+  });
+
+  socket.send('woot');
+}