1 files changed, 17 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webmessaging/message-channels/worker.any.js b/testing/web-platform/tests/webmessaging/message-channels/worker.any.js
new file mode 100644
index 0000000000..633d89a371
--- /dev/null
+++ b/testing/web-platform/tests/webmessaging/message-channels/worker.any.js
@@ -0,0 +1,17 @@
+async_test(t => {
+  function workerCode() {
+    close();
+    var mc = new MessageChannel();
+    mc.port1.postMessage(42);
+    mc.port2.postMessage(42);
+    postMessage(true);
+  }
+
+  var workerBlob = new Blob([workerCode.toString() + ";workerCode();"], {type:"application/javascript"});
+
+  var w = new Worker(URL.createObjectURL(workerBlob));
+  w.onmessage = function(e) {
+    assert_true(e.data, "MessageChannel created on worker shutdown.");
+    t.done();
+  }
+}, 'MessageChannel/MessagePort created and used after a worker self.close()');