shared-storage-permissions-policy-self.tentative.https.sub.html

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This test has a WPT meta file that expects 3 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /shared-storage/shared-storage-permissions-policy-self.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 same_origin_src = '/shared-storage/resources/shared-storage-permissions-policy-helper.html';

    const cross_origin_src = 'https://{{domains[www]}}:{{ports[https][0]}}' +

      same_origin_src;

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

    promise_test(async t => {

      const allowed = await AreSharedStorageMethodsAllowedByPermissionsPolicy();

      assert_true(allowed);

    }, header + ' allows sharedStorage in the current page.');

    async_test(t => {

      test_feature_availability('shared-storage', t, same_origin_src,

          expect_feature_available_default);

    }, header + ' allows sharedStorage in same-origin iframes.');

    async_test(t => {

      test_feature_availability('shared-storage', t, cross_origin_src,

          expect_feature_unavailable_default);

    }, header + ' disallows sharedStorage in cross-origin iframes.');

  </script>

</body>