"use strict"; do_get_profile(); // Let's use XPCShellContentUtils to open/close tabs. const { XPCShellContentUtils } = ChromeUtils.importESModule( "resource://testing-common/XPCShellContentUtils.sys.mjs" ); XPCShellContentUtils.init(this); var createHttpServer = (...args) => { return XPCShellContentUtils.createHttpServer(...args); }; const server = createHttpServer({ hosts: ["3rdparty.org", "4thparty.org", "foobar.com"], }); async function testThings(prefValue, expected) { await new Promise(resolve => Services.clearData.deleteData( Ci.nsIClearDataService.CLEAR_ALL_CACHES, resolve ) ); Services.prefs.setCharPref("privacy.rejectForeign.allowList", prefValue); let cookiePromise = new Promise(resolve => { server.registerPathHandler("/test3rdPartyChannel", (request, response) => { response.setStatusLine(request.httpVersion, 200, "OK"); response.setHeader("Content-Type", "text/html; charset=utf-8", false); response.write(``); }); server.registerPathHandler("/img", (request, response) => { response.setStatusLine(request.httpVersion, 200, "OK"); resolve(request.hasHeader("Cookie") ? request.getHeader("Cookie") : ""); response.setHeader("Content-Type", "image/png", false); response.write("Not an image"); }); }); // Let's load 3rdparty.org as a 3rd-party. let contentPage = await XPCShellContentUtils.loadContentPage( "http://foobar.com/test3rdPartyChannel" ); Assert.equal(await cookiePromise, expected, "Cookies received?"); await contentPage.close(); cookiePromise = new Promise(resolve => { server.registerPathHandler("/test3rdPartyDocument", (request, response) => { response.setStatusLine(request.httpVersion, 200, "OK"); response.setHeader("Content-Type", "text/html; charset=utf-8", false); response.write( `