shared-storage-writable-permissions-policy-none.tentative.https.sub.html

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This WPT test may be referenced by the following Test IDs:
- /shared-storage/shared-storage-writable-permissions-policy-none.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=/permissions-policy/resources/permissions-policy.js></script>

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

  <script>

    'use strict';

    const header = 'permissions policy header shared-storage=()';

    const sameOriginUrl =

          '/shared-storage/resources/shared-storage-write.py';

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

    const crossOriginUrl = crossOrigin + sameOriginUrl;

    promise_test(async t => {

      let response = await fetch(sameOriginUrl,

                                 {sharedStorageWritable: true});

      let sharedStorageWritableHeader = await response.text();

      assert_equals(sharedStorageWritableHeader,

                    "NO_SHARED_STORAGE_WRITABLE_HEADER");

    }, header + ' disallows the \'Sec-Shared-Storage-Writable\' header to be '

              + 'sent for the same-origin shared storage fetch request.');

    promise_test(async t => {

      let response = await fetch(crossOriginUrl,

                                 {sharedStorageWritable: true});

      let sharedStorageWritableHeader = await response.text();

      assert_equals(sharedStorageWritableHeader,

                    "NO_SHARED_STORAGE_WRITABLE_HEADER");

    }, header + ' disallows the \'Sec-Shared-Storage-Writable\' header to be '

              + 'sent for the cross-origin shared storage fetch request.');

  </script>

</body>