<script>
if (window.testRunner)
    testRunner.dumpAsText();
</script>
<style>
#region1 { -webkit-flow-from: flow1; width: 250px; height: 70px; left: 20px; top: 250px;}
</style>
<div>This test passes if it doesn't crash or assert.</div>
<div><div id="article"><div <script>
<br>
</div></div></div>
<div id="region1"></div>
<script>
var article = document.getElementById("article");
article.style.webkitFlowInto = "flow1";
range1 = region1.webkitGetRegionFlowRanges();
</script>