<script>

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

function log(msg) {
    document.getElementById("logger").innerHTML += msg + "<br>";
}

window.onload = function()
{
    log("Adding state objects in iframe");
    try {
        for( var i = 0; i < 75; ++i ) {
            history.replaceState(0, 0, i.toString());
            log("Successfully added item: " + i);
        }
    } catch (e) {
        log("Expected exception: " + e);
        if (window.testRunner)
            testRunner.notifyDone();    
    }
}

</script>
<body>
<div id="logger"></div>
</body>