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<html>
<head>
<title>Tracker</title>
<script type="text/javascript" src="https://example.com/browser/toolkit/components/antitracking/test/browser/storageAccessAPIHelpers.js"></script>
</head>
<body>
<h1>Tracker</h1>
<script>
function info(msg) {
parent.postMessage({ type: "info", msg }, "*");
}
function ok(what, msg) {
parent.postMessage({ type: "ok", what: !!what, msg }, "*");
}
function is(a, b, msg) {
ok(a === b, msg);
}
function workerCode() {
onmessage = () => {
try {
indexedDB.open("test", "1");
postMessage(true);
} catch (e) {
postMessage(false);
}
};
}
var worker;
function createWorker() {
let blob = new Blob([workerCode.toString() + "; workerCode();"]);
let blobURL = URL.createObjectURL(blob);
info("Blob created");
worker = new Worker(blobURL);
info("Worker created");
}
onmessage = function(e) {
let runnableStr = `(() => {return (${e.data.callback});})();`;
let runnable = eval(runnableStr); // eslint-disable-line no-eval
runnable.call(this, e.data.arg || /* Phase */ 3).then(_ => {
parent.postMessage({ type: "finish" }, "*");
});
};
createWorker();
</script>
</body>
</html>