1 files changed, 9 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webmessaging/message-channels/no-start.any.js b/testing/web-platform/tests/webmessaging/message-channels/no-start.any.js
new file mode 100644
index 0000000000..75b1ea1b26
--- /dev/null
+++ b/testing/web-platform/tests/webmessaging/message-channels/no-start.any.js
@@ -0,0 +1,9 @@
+// META: title=without start()
+
+async_test(function(t) {
+  var channel = new MessageChannel();
+  channel.port1.postMessage(1);
+  var i = 0;
+  channel.port2.addEventListener('message', function() { i++; }, false);
+  setTimeout(t.step_func(function() { assert_equals(i, 0); t.done();}), 50);
+});