1 files changed, 19 insertions, 0 deletions
diff --git a/testing/web-platform/tests/service-workers/service-worker/resources/postmessage-worker.js b/testing/web-platform/tests/service-workers/service-worker/resources/postmessage-worker.js
new file mode 100644
index 000000000..858cf0426
--- /dev/null
+++ b/testing/web-platform/tests/service-workers/service-worker/resources/postmessage-worker.js
@@ -0,0 +1,19 @@
+var port;
+
+// Exercise the 'onmessage' handler:
+self.onmessage = function(e) {
+  var message = e.data;
+  if ('port' in message) {
+    port = message.port;
+  }
+};
+
+// And an event listener:
+self.addEventListener('message', function(e) {
+    var message = e.data;
+    if ('value' in message) {
+      port.postMessage('Acking value: ' + message.value);
+    } else if ('done' in message) {
+      port.postMessage('quit');
+    }
+  });