broadcast-channel.html

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<!DOCTYPE HTML>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<script src="/common/utils.js"></script>

<script src="/common/dispatcher/dispatcher.js"></script>

<script src="../resources/helper.sub.js"></script>

<script>

// Check whether the page is BFCached when there are open BroadcastChannels.

// See https://github.com/whatwg/html/issues/7219 for other related scenarios.

runEventTest(

  {funcBeforeNavigation: () => {

      window.bc = new BroadcastChannel('foo');

}},

  'Eligibility (BroadcastChannel)');

// Same as above, but the BroadcastChannels are closed in the pagehide event.

runEventTest(

  {funcBeforeNavigation: () => {

      window.bc = new BroadcastChannel('foo');

      window.addEventListener('pagehide', () => window.bc.close());

}},

  'Eligibility (BroadcastChannel closed in the pagehide event)');

</script>