1 files changed, 30 insertions, 0 deletions
diff --git a/dom/workers/test/sharedWorker_ports.js b/dom/workers/test/sharedWorker_ports.js
new file mode 100644
index 0000000000..6bdb5695db
--- /dev/null
+++ b/dom/workers/test/sharedWorker_ports.js
@@ -0,0 +1,30 @@
+var port;
+onconnect = function (evt) {
+  evt.source.postMessage({ type: "connected" });
+
+  if (!port) {
+    port = evt.source;
+    evt.source.onmessage = function (evtFromPort) {
+      port.postMessage({
+        type: "status",
+        test: "Port from the main-thread!" == evtFromPort.data,
+        msg: "The message is coming from the main-thread",
+      });
+      port.postMessage({
+        type: "status",
+        test: evtFromPort.ports.length == 1,
+        msg: "1 port transferred",
+      });
+
+      evtFromPort.ports[0].onmessage = function (evtFromPort2) {
+        port.postMessage({
+          type: "status",
+          test: evtFromPort2.data.type == "connected",
+          msg: "The original message received",
+        });
+        port.postMessage({ type: "finish" });
+        close();
+      };
+    };
+  }
+};