file-writer-sync-write-overlapped.html

<!DOCTYPE HTML>
<html>
 <head>
    <title>File Writer Sync Truncate-To-Extend</title>
    <script src="../../../resources/js-test.js"></script>
 </head>
 <body>
    <div id="description"></div>
    <div id="console"></div>
    <script>
        worker = startWorker("../resources/file-writer-sync-write-overlapped.js");
    </script>
 </body>
</html>

chromium/third_party/blink/web_tests/fast/filesystem/workers/file-writer-sync-write-overlapped.html