LayoutTests/fast/forms/ValidityState-gc.html

<!DOCTYPE html>
<html>
<body>
<p>This tests that ValidityState survives garbage collection.</p>
<div id="test-cases">
<button></button>
<fieldset></fieldset>
<input type="text">
<input type="radio">
<input type="checkbox">
<object></object>
<output></output>
<select></select>
<textarea></textarea>
</div>
<pre id="result"></pre>
<script>
function gc()
{
    if (window.GCController)
        return GCController.collect();

    for (var i = 0; i < 1000000; i++) // > force garbage collection (FF requires about 9K allocations before a collect)
        var s = new String('');
}

const testCases = Array.from(document.getElementById('test-cases').children);
for (const child of testCases)
    child.validity.foo = 'PASS';

gc();

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

setTimeout(function () {
    gc();
    setTimeout(function () {
        gc();
        for (const child of testCases)
            result.textContent += `${child.outerHTML}: ${child.validity.foo || 'FAIL'}\n`;
        document.getElementById('test-cases').style.display = 'none';
        if (window.testRunner)
            testRunner.notifyDone();
    }, 0);
}, 0);

</script>
</body>
</html>