Codebase Browser
chromium
Go to App

chromium/third_party/blink/web_tests/external/wpt/workers/interfaces/WorkerGlobalScope/close/incoming-message.html 

<!doctype html>
<title>close() and incoming message</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id="log"></div>
<script>
setup({ single_test: true });

var worker = new Worker('incoming-message.js');
worker.onmessage = function(e) {
  assert_unreached("Got message");
};
worker.onerror = function(e) {
  assert_unreached("Got error");
};
worker.postMessage(1);
setTimeout(done, 2000);
</script>