<html manifest="resources/appcache-iframe.manifest">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
const initPromise = new Promise(resolve => {
  applicationCache.addEventListener('cached', resolve, false);
  applicationCache.addEventListener('noupdate', resolve, false);
});

function with_iframe(url) {
  return new Promise(resolve => {
      let frame = document.createElement('iframe');
      frame.src = url;
      frame.onload = () => { resolve(frame); };
      document.body.appendChild(frame);
      add_result_callback(() => frame.remove());
    });
}

promise_test(async t => {
    await initPromise;
    const frame =
        await with_iframe('resources/appcache-iframe.py?type=cached');
    const msgEvent = await new Promise(r => window.onmessage = r);
    assert_equals(msgEvent.data, 'Done: cached');
  }, 'iframe should be loaded from application caches.');

promise_test(async t => {
    await initPromise;
    const frame =
        await with_iframe('resources/appcache-iframe.py?type=fallingback');
    const msgEvent = await new Promise(r => window.onmessage = r);
    assert_equals(msgEvent.data, 'Done: fallbacked');
  }, 'iframe should be loaded from application caches for fallback.');

</script>
</html>