shared-storage-writable-setters.tentative.https.sub.html

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This test has a WPT meta file that expects 2 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /shared-storage/shared-storage-writable-setters.tentative.https.sub.html - WPT Dashboard Interop Dashboard

<!doctype html>

<body>

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

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

  <script src=/common/utils.js></script>

  <script src=/common/get-host-info.sub.js></script>

  <script src=/fenced-frame/resources/utils.js></script>

  <script src=/shared-storage/resources/util.js></script>

  <script>

    'use strict';

    const rawSetterHeader = 'set;key=hello;value=world;ignore_if_present,'

      + 'append;value=friend;key=hello';

    const setterHeader = encodeURIComponent(rawSetterHeader);

    const sameOriginSetterUrl =

      `/shared-storage/resources/shared-storage-write.py?write=${setterHeader}`;

    const sameOrigin = generateURL(sameOriginSetterUrl, []).origin;

    const crossOrigin = 'https://{{domains[www]}}:{{ports[https][0]}}';

    const crossOriginSetterUrl = crossOrigin + sameOriginSetterUrl;

    promise_test(async t => {

      let response = await fetch(sameOriginSetterUrl,

                                 {sharedStorageWritable: true});

      let sharedStorageWritableHeader = await response.text();

      assert_equals(sharedStorageWritableHeader, "?1");

      // JS does not see the `Shared-Storage-Write` response header.

      assert_false(!!response.headers.get('Shared-Storage-Write'));

      await verifyKeyValueForOrigin('hello', 'worldfriend', sameOrigin);

    }, 'Writing to shared storage via the \'Shared-Storage-Write\' header '

       + 'for a same-origin shared storage fetch request');

    promise_test(async t => {

      let response = await fetch(crossOriginSetterUrl,

                                 {sharedStorageWritable: true});

      let sharedStorageWritableHeader = await response.text();

      assert_equals(sharedStorageWritableHeader, "?1");

      // JS does not see the `Shared-Storage-Write` response header.

      assert_false(!!response.headers.get('Shared-Storage-Write'));

      await verifyKeyValueForOrigin('hello', 'worldfriend', crossOrigin);

    }, 'Writing to shared storage via the \'Shared-Storage-Write\' header '

       + 'for a cross-origin shared storage fetch request');

  </script>

</body>