shared-storage/shared-storage-in-sandboxed-iframe.tentative.https.html

<!doctype html>
<body>
  <script src=/resources/testharness.js></script>
  <script src=/resources/testharnessreport.js></script>
  <script src=/browsing-topics/resources/header-util.sub.js></script>
  <script>
    function test_shared_storage_in_sandboxed_iframe(test, sandbox_flags, expect_success) {
      let frame = document.createElement('iframe');
      frame.sandbox = sandbox_flags;
      frame.src = '/shared-storage/resources/verify-shared-storage.https.html';

      window.addEventListener('message', test.step_func(function handler(evt) {
        if (evt.source === frame.contentWindow) {
          if (expect_success) {
            assert_equals(evt.data.accessSharedStorageResult, 'success');
          } else {
            assert_equals(evt.data.accessSharedStorageResult, 'failure');
          }

          document.body.removeChild(frame);
          window.removeEventListener('message', handler);
          test.done();
        }
      }));

      document.body.appendChild(frame);
    }

    async_test(t => {
      test_shared_storage_in_sandboxed_iframe(t,
        /*sandbox_flags=*/'allow-scripts allow-same-origin',
        /*expect_success=*/true);
    }, 'test shared storage in sandboxed iframe with "allow-same-origin"');

    async_test(t => {
      test_shared_storage_in_sandboxed_iframe(t,
        /*sandbox_flags=*/'allow-scripts',
        /*expect_success=*/false);
    }, 'test shared storage in sandboxed iframe without "allow-same-origin"');
  </script>
</body>