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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=1667316
-->
<head>
  <title>Test for Bug 1667316</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1667316">Mozilla Bug 1667316</a>
<p id="display"></p>
<div id="content" style="display: none"></div>
<script class="testbody" type="text/javascript">

/** Test for Bug 1667316 **/

function testPreloadEvent(url, crossorigin, expectLoad) {
  return new Promise((resolve) => {
    var link = document.createElement("LINK");
    link.setAttribute("rel", "preload");
    link.setAttribute("href", url);
    link.setAttribute("as", "fetch");
    if (crossorigin) {
      link.setAttribute("crossorigin", "");
    }

    link.addEventListener("load", () => {
      ok(expectLoad, "not expecting load event for " + url);
      link.remove();
      resolve();
    });
    link.addEventListener("error", () => {
      ok(!expectLoad, "not expecting error event for " + url);
      link.remove();
      resolve();
    });
    document.head.appendChild(link);
  });
}

function testChangePrefetchToPreload(url) {
  return new Promise((resolve) => {
    var preloaded = false;
    var link = document.createElement("LINK");
    link.setAttribute("rel", "prefetch");
    link.setAttribute("href", url);
    link.setAttribute("as", "fetch");

    link.addEventListener("load", () => {
      ok(preloaded, "this will happen only on a preload");
      ok(true, "not expecting load event for " + url);
      link.remove();
      resolve();
    });
    link.addEventListener("error", () => {
      ok(false, "not expecting error event for " + url);
      link.remove();
      resolve();
    });
    document.head.appendChild(link);
    preloaded = true;
    link.setAttribute("rel", "preload");
  })
};

const SJS_PATH = window.location.pathname.replace(/[^/]+$/, "file_bug1268962.sjs");
// eslint-disable-next-line @microsoft/sdl/no-insecure-url
const SAME_ORIGIN = "http://mochi.test:8888" + SJS_PATH;
// eslint-disable-next-line @microsoft/sdl/no-insecure-url
const CROSS_ORIGIN = "http://example.com" + SJS_PATH;

SimpleTest.waitForExplicitFinish();

SpecialPowers.pushPrefEnv({"set": [["network.preload", true]]})


.then(async () => {
  await SpecialPowers.spawnChrome([], () => {

let window = this.browsingContext.currentWindowGlobal;
window.ChannelEventSink = {
  _classDescription: "WebRequest channel event sink",
  _classID: Components.ID("115062f8-92f1-11e5-8b7f-08001110f7ec"),
  _contractID: "@mozilla.org/webrequest/channel-event-sink;1",

  QueryInterface: ChromeUtils.generateQI(["nsIChannelEventSink", "nsIFactory"]),

  init() {
    Components.manager
      .QueryInterface(Ci.nsIComponentRegistrar)
      .registerFactory(
        this._classID,
        this._classDescription,
        this._contractID,
        this
      );
  },

  register() {
    Services.catMan.addCategoryEntry(
      "net-channel-event-sinks",
      this._contractID,
      this._contractID,
      false,
      true
    );
  },

  unregister() {
    Components.manager
      .QueryInterface(Ci.nsIComponentRegistrar)
      .unregisterFactory(this._classID, window.ChannelEventSink);
    Services.catMan.deleteCategoryEntry(
      "net-channel-event-sinks",
      this._contractID,
      false
    );
  },

  // nsIChannelEventSink implementation
  asyncOnChannelRedirect(oldChannel, newChannel, flags, redirectCallback) {
    // Abort the redirection.
    redirectCallback.onRedirectVerifyCallback(Cr.NS_ERROR_NO_INTERFACE);
  },

  // nsIFactory implementation
  createInstance(iid) {
    return this.QueryInterface(iid);
  },
};

window.ChannelEventSink.init();
window.ChannelEventSink.register();
})})

// test cross origin by redirection without CORS
.then(() => testPreloadEvent(SAME_ORIGIN + "?redirect=crossorigin&statusCode=200&cacheControl=no-cache", false, false))

.catch((err) => ok(false, "promise rejected: " + err))
.then(async () => {
  await SpecialPowers.spawnChrome([], () => {
    let window = this.browsingContext.currentWindowGlobal;
    window.ChannelEventSink.unregister();
    delete window.ChannelEventSink;
  })
})
.then(() => SimpleTest.finish());

</script>
</body>
</html>