LayoutTests/perf/adding-radio-buttons.html

<!DOCTYPE html>
<html>
<body>
<script src="../resources/magnitude-perf.js"></script>
<script>
var parentForm = null;

function setup(magnitude) {
    if (parentForm)
        document.body.removeChild(parentForm);
    parentForm = document.createElement('form');
    document.body.appendChild(parentForm);
    for (var i = 0; i < magnitude; ++i) {
        var radio = document.createElement('input');
        radio.type = 'radio';
        radio.name = 'group1';
        radio.checked = true;
        parentForm.appendChild(radio);
    }
    parentForm.offsetLeft;
}

function test(magnitude) {
    var radio = document.createElement('input');
    radio.type = 'radio';
    radio.name = 'group1';
    radio.checked = true;
    parentForm.appendChild(radio);
    radio.offsetLeft;
    parentForm.removeChild(radio);
}

Magnitude.description("Tests that adding a radio button to a radio button group is constant in the number of radio buttons.");
Magnitude.run(setup, test, Magnitude.CONSTANT);
</script>
</body>
</html>