1 files changed, 14 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webmessaging/message-channels/002.html b/testing/web-platform/tests/webmessaging/message-channels/002.html
new file mode 100644
index 000000000..8b7126718
--- /dev/null
+++ b/testing/web-platform/tests/webmessaging/message-channels/002.html
@@ -0,0 +1,14 @@
+<!doctype html>
+<title>without start()</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<div id="log"></div>
+<script>
+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);
+});
+</script>