post-message-worker.html

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This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /resource-timing/tentative/initiator-url/post-message-worker.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<head>

  <script src="/resources/testharness.js"></script>

  <script src="/resources/testharnessreport.js"></script>

</head>

<body>

  <h1>Description</h1>

  <p> This test verifies that, for the resources fetched in a message

      handler in a worker thread, the initiator_url reported is the worker

      script that sets up the message handler.

  </p>

</body>

<script>

const worker = new Worker("../../resources/message-handler-in-worker.js");

const {promise: workerPromise, resolve: resolveWorker} = Promise.withResolvers();

let result, expected;

worker.onmessage = function(event) {

  result = event.data.result;

  expected = event.data.expected;

  worker.terminate();

  resolveWorker();

promise_test(async () => {

  await workerPromise;

  assert_equals(result, expected, `initiatorUrl for resources fetched

    in message handler in worker thread`);

}, "check initiatorUrl for resources fetched in message handler in worker thread");

worker.postMessage('please_test');

</script>