var slaveLoadsPending = 1; var slaveOrigin = ""; var slave = null; var failureRegExp = new RegExp("^FAILURE"); const slavePath = "/tests/dom/tests/mochitest/localstorage/"; window.addEventListener("message", onMessageReceived); function onMessageReceived(event) { switch (event.data) { // Indication of the frame onload event case "frame loaded": if (--slaveLoadsPending) { break; } // Indication of successfully finished step of a test // fall through case "perf": if (event.data == "perf") { doStep(); } slave.postMessage("step", slaveOrigin); break; // Indication of all test parts finish (from any of the frames) case "done": localStorage.clear(); slaveLoadsPending = 1; doNextTest(); break; // Any other message indicates error or succes message of a test default: SimpleTest.ok(!event.data.match(failureRegExp), event.data); break; } }