<html>
<head>
<style>
#test0 { -webkit-column-count: 2; }
#test1::after { display: block; content: ''; }
#test2:nth-last-child(2n) { content: ''; }
#test2 { -webkit-column-span: all; }
#test4 { float: right; }
</style>
<script>
if (window.testRunner)
    testRunner.dumpAsText();

onload = function() {
    test0 = document.createElement('div');
    test0.setAttribute('id', 'test0');
    document.body.appendChild(test0);
    test1 = document.createElement('div');
    test1.setAttribute('id', 'test1');
    test0.appendChild(test1);
    test2 = document.createElement('div');
    test2.setAttribute('id', 'test2');
    test1.appendChild(test2);
    test3 = document.createElement('span');
    test1.appendChild(test3);
    test3.appendChild(document.createTextNode('A'));
    test4 = document.createElement('table');
    test4.setAttribute('id', 'test4');
    test1.appendChild(test4);
    test0.style.display = 'run-in'; 
    test4.style.display = 'table-column';
    document.body.offsetTop;
    document.designMode = 'on';
    document.execCommand('selectall');
    document.execCommand('inserttext', '');
    document.body.offsetTop;
    document.body.innerHTML = "PASS";
}
</script>
</head>
<body>
</body>
</html>