PerformanceTests/Parser/pending-text-buffer-parser.html

<!DOCTYPE html>
<body>
<script src="../resources/runner.js"></script>
<script>

var segmentSize = 64;
var fillerSize = segmentSize - 2;
var totalSize = 16 * 1024 * 1024;

var filler = "";
for (var i = 0; i < fillerSize; i++)
    filler += "A";
var segment = filler + "<1";

var text = segment;
while (text.length < totalSize)
    text = text + text;
text = text.substring(0, totalSize);

var source = "<!DOCTYPE html><html><body>" + text + "</body></html>";
text = null;

var blob = new Blob([source], {type: "text/html"});
source = null;
var blobURL = URL.createObjectURL(blob);

var iframe = document.createElement("iframe");
iframe.style.display = "none";
iframe.sandbox = "";
document.body.appendChild(iframe);

PerfTestRunner.prepareToMeasureValuesAsync({done: onCompletedRun, unit: "ms"});

iframe.onload = function() {
    var now = PerfTestRunner.now();
    if (PerfTestRunner.measureValueAsync(now - then))
        startNextRun();
};

function startNextRun() {
    iframe.onload = function() {
        iframe.onload = function() {
            var now = PerfTestRunner.now();
            if (PerfTestRunner.measureValueAsync(now - then))
                startNextRun();
        };
        then = PerfTestRunner.now();
        iframe.src = blobURL;
    };
    iframe.src = "about:blank";
}

var then = PerfTestRunner.now();
iframe.src = blobURL;

function onCompletedRun() {
    iframe.onload = null;
    document.body.removeChild(iframe);
    URL.revokeObjectURL(blobURL);
}

</script>
</body>