<!DOCTYPE html>
<!--
[%provenance%]
-->
<html lang="en">
  <meta charset="utf-8">
  <title>HTTP headers on request for dedicated worker via the "importScripts" API</title>
  <script src="/resources/testharness.js"></script>
  <script src="/resources/testharnessreport.js"></script>
  <script src="/fetch/metadata/resources/helper.sub.js"></script>
  <script type="module">
  'use strict';
  function induceRequest(url, options) {
    const src = `
      importScripts('${url}');
      postMessage('done');
    `;
    const workerUrl = URL.createObjectURL(
      new Blob([src], { type: 'application/javascript' })
    );
    return new Promise((resolve, reject) => {
      const worker = new Worker(workerUrl, options);
      worker.onmessage = resolve;
      worker.onerror = reject;
    });
  }

  {%- for subtest in subtests %}

  promise_test(() => {
    const key = '{{uuid()}}';
    const url = makeRequestURL(
      key, [% subtest.origins %], { mime: 'application/javascript' }
    );

    return induceRequest(url
      {%- if subtest.options -%}
        , [% subtest.options | tojson %]
      {%- endif -%}
      )
      .then(() => retrieve(key))
      .then((headers) => {
        {%- if subtest.expected == none %}
          assert_not_own_property(headers, '[%subtest.headerName%]');
        {%- else %}
          assert_own_property(headers, '[%subtest.headerName%]');
          assert_array_equals(headers['[%subtest.headerName%]'], ['[%subtest.expected%]']);
        {%- endif %}
        });
  }, '[%subtest.headerName%][%subtest.description | pad("start", " - ")%]');

  {%- endfor %}
  </script>
</html>
