embedder-context-nested-iframe.https.html

<!DOCTYPE html>
<html>
<script src="/resources/testharness.js"></script>
<script src="/shared-storage/resources/util.js"></script>
<script src="/fenced-frame/resources/utils.js"></script>
<body>
<script>

async function init() {
  const [outerKey, innerKey] = parseKeylist();
  let url0 = generateURL("/shared-storage/resources/frame0.html", [innerKey]);
  let url1 = generateURL("/shared-storage/resources/frame1.html", [innerKey]);

  await addModuleOnce("simple-module.js");
  let fencedFrameConfig = await sharedStorage.selectURL(
      "verify-key-value", [{url: url0}, {url: url1}],
      {data: {'expectedKey': innerKey, 'expectedValue': 'undefined'},
       resolveToConfig: true});
  assert_true(validateSelectURLResult(fencedFrameConfig, true));

  attachFencedFrame(fencedFrameConfig, 'opaque-ads');
  const result = await nextValueFromServer(innerKey);
  assert_equals(result, "frame1_loaded");

  await writeValueToServer(outerKey, "embedder_context_nested_iframe_loaded");
}

init();
</script>
</body>
</html>

chromium/third_party/blink/web_tests/external/wpt/shared-storage/resources/embedder-context-nested-iframe.https.html