<!DOCTYPE html>
<html>
<head>
<title>This tests </title>
<script>
function swapElements(element1, element2) {
    var parent1 = element1.parentElement;
    var previousSibling1 = element1.previousSibling;
    element2.parentElement.insertBefore(element1, element2);
    parent1.insertBefore(element2, previousSibling1);
}

function runTest() {
    var tr = document.createElement("tr");
    div2.parentElement.insertBefore(tr, div2);
    document.body.offsetHeight;
    div1.style.display = "inline";
    document.body.offsetHeight;
    swapElements(div2, span1);
    swapElements(tr, span2);
    document.body.offsetHeight;
}

if (window.testRunner)
    testRunner.dumpAsText();
</script>
</head>
<body onload="runTest()">
PASS if no crash or assert.
<span id=span1></span><span id=span2></span><span><body style="display: inline-table"><div id=div1></div><div id=div2></div>
<body>
</html>