<!DOCTYPE html>
<!--
[%provenance%]
-->
<html lang="en">
  <meta charset="utf-8">
  <title>HTTP headers on request for dedicated worker via the "Worker" constructor</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) {
    return new Promise((resolve, reject) => {
      const worker = new Worker(url, 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', body: 'postMessage("")' }
    );

    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("end", ", ")%][%subtest.options|collection("options")%]');

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