browser_test_favicon.js

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// Tests third party cookie blocking using a favicon loaded from a different

// domain. The cookie should be considered third party.

"use strict";

add_task(async function () {

  const iconUrl =

    "http://example.org/browser/netwerk/test/browser/damonbowling.jpg";

  const pageUrl =

    "http://example.com/browser/netwerk/test/browser/file_favicon.html";

  await SpecialPowers.pushPrefEnv({

    set: [["network.cookie.cookieBehavior", 1]],

});

  let promise = TestUtils.topicObserved("cookie-rejected", subject => {

    let uri = subject.QueryInterface(Ci.nsIURI);

    return uri.spec == iconUrl;

});

  // Kick off a page load that will load the favicon.

  let tab = await BrowserTestUtils.openNewForegroundTab(gBrowser, pageUrl);

  registerCleanupFunction(async function () {

    BrowserTestUtils.removeTab(tab);

});

  await promise;

  ok(true, "foreign favicon cookie was blocked");

});