lifetime.html | Explore in Territory

<body onload="test()">
<p>Test Media object lifetime.</p>
<div id=result>Testing...</div>
<iframe src="about:blank"></iframe>
<script src="../../resources/gc.js"></script>
<script>
if (window.testRunner) {
    testRunner.dumpAsText();
    testRunner.waitUntilDone();
}

function test()
{
    if (!window.styleMedia) {
        document.getElementById("result").innerHTML = "FAIL - window.styleMedia is not supported.";
        return;
    }

    styleMedia.foo = "bar";
    gc();
    if (styleMedia.foo != "bar") {
        document.getElementById("result").innerHTML = "FAIL - window.styelMedia doesn't return the same object each time.";
        return;
    }

    var m = frames[0].styleMedia;
    document.body.removeChild(document.getElementsByTagName("iframe")[0]);
    try { m.matchMedium("foobar") } catch (ex) { }
    setTimeout(function() {
        gc();
        try { m.matchMedium("foobar") } catch (ex) { }
        document.getElementById("result").innerHTML = "PASS";
        if (window.testRunner)
            testRunner.notifyDone();
    }, 0);
}
</script>
chromium/third_party/blink/web_tests/fast/media/lifetime.html
