file_broadcast_currenturi_onload.html

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<!doctype html>

<body>

<script>

const url = new URL(location.href);

// Create a popup to broadcast the load's completion to the test document.

//

// NOTE: We're using a popup to ensure that the new document has the same origin

// (http://mochi.test:8888/) as the original test document, so that we can use a

// BroadcastChannel to communicate with the test page. We can't use an iframe as

// the mixed content blocker will prevent embedding this URL in https://

// documents.

function sendPayload(payload) {

  let broadcastURL = new URL(url.pathname, "http://mochi.test:8888/");

  broadcastURL.search = "?payload=" + encodeURIComponent(JSON.stringify(payload));

  window.open(broadcastURL.href);

async function getURIs() {

  // Run the test and fetch the relevant information.

  const browsingContext = SpecialPowers.wrap(window).browsingContext;

  let [docURI, curURI] = await SpecialPowers.spawnChrome(

    [browsingContext.id], async id => {

      let bc = BrowsingContext.get(id);

      return [

        bc.currentWindowGlobal.documentURI.spec,

        bc.currentURI.spec,

];

);

  return { location: location.href, docURI, curURI };

addEventListener("load", async () => {

  // If a payload parameter was included, just send the message.

  const payloadStr = url.searchParams.get("payload");

  if (payloadStr) {

    const chan = new BroadcastChannel("test_broadcast_onload");

    chan.postMessage(JSON.parse(payloadStr));

    window.close();

    return;

  // collect the initial set of URIs

  const result1 = await getURIs();

  const pushstateURL = new URL("after_pushstate", url.href);

  history.pushState({}, "After PushState!", pushstateURL.href);

  await new Promise(resolve => setTimeout(resolve, 0));

  // Collect the set of URIs after pushstate

  const result2 = await getURIs();

  window.location.hash = "#after_hashchange";

  await new Promise(resolve => setTimeout(resolve, 0));

  // Collect the set of URIs after a hash change

  const result3 = await getURIs();

  sendPayload([result1, result2, result3]);

  window.close();

});

</script>

</body>