chromium/src/third_party/blink/web_tests/fast/workers/chromium/worker-gc2.html

<p>This page tests for a GC crash when tearing down a worker. If the tests passes,
you'll see a PASS message below.</p>

<pre id="console"></pre>

<script>
function $(id)
{
    return document.getElementById(id);
}

function log(s)
{
    $("console").appendChild(document.createTextNode(s + "\n"));
}

(function () {
    if (window.testRunner) {
        testRunner.dumpAsText();
        testRunner.waitUntilDone();
    }

    var worker = new Worker("resources/worker-gc2.js");
    worker.onmessage = function () {
        log("PASS: You didn't crash.");

        // Try to wait for the worker to finish closing.
        setTimeout(function () {
            if (window.testRunner)
                testRunner.notifyDone();
        }, 0);
    }
})();
</script>