<p>Test for <a href="https://bugs.webkit.org/show_bug.cgi?id=25381">bug 25381</a>:
jQuery animation crashing Safari.</p>
<p>PASS if didn't crash.</p>
<div style="position:fixed; top:0px; width:100px; background:red;">
    <div id="i" style="position:fixed; display:none; top:0px; width:100px; height:100px; overflow:hidden; background:green;"><div>ABC</div></div>
</div>

<script>
if (window.testRunner) {
    testRunner.dumpAsText();
    testRunner.waitUntilDone();
}

function swap( elem, options, callback ) {
    var old = {};
    // Remember the old values, and insert the new ones
    for ( var name in options ) {
        old[ name ] = elem.style[ name ];
        elem.style[ name ] = options[ name ];
    }

    callback.call( elem );

    // Revert the old values
    for ( var name in options ) {
        elem.style[ name ] = old[ name ];
    }
}

function forceLayout()
{
    document.body.offsetTop;
}

setTimeout(function() {
    var elem = document.getElementById('i');
    elem.style['display']='block';

    var val, props = { position: "absolute", visibility: "hidden", display:"block" }; 
    function getWH() {
        val = elem.offsetHeight;
    }
    swap( elem, props, getWH );

    forceLayout();
    elem.style['height']=2;
    forceLayout();
    elem.style['height']=3;
    forceLayout();
    elem.style['display']='none';
    forceLayout();
    if (window.testRunner)
        testRunner.notifyDone();
    return;
}, 0); 

</script>