LayoutTests/fast/dom/htmlcollection-children-mutation.html - WebKit - Git at Google

 <!DOCTYPE html>
 <html>
 <head>
 <meta charset="utf-8">
 <script src="../../resources/js-test-pre.js"></script>
 </head>
 <body>
 <div id="test" style="display:none">
 <div><span></span></div>
 <div><span></span></div>
 <div><span></span></div>
 <div><span></span></div>
 <div><span></span></div>
 </div>
 <script>

 description("Test traversing children using HTMLCollection while mutating DOM");

 try {
 var test = document.getElementById("test");
 for (var i = 0; i < test.children.length; i++)
     test.children[i].firstChild.innerHTML = "child " + i;
 } catch(e) {}

 var child = test.firstElementChild;
 for (var i = 0; i < 5; i++) {
     shouldBeEqualToString("child.firstChild.innerText", "child " + i);
     child = child.nextElementSibling;
 }
 shouldBeNull("child");

 </script>
 <script src="../../resources/js-test-post.js"></script>
 </body>
 </html>
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8">
	<script src="../../resources/js-test-pre.js"></script>
	</head>
	<body>
	<div id="test" style="display:none">
	<div><span></span></div>
	<div><span></span></div>
	<div><span></span></div>
	<div><span></span></div>
	<div><span></span></div>
	</div>
	<script>

	description("Test traversing children using HTMLCollection while mutating DOM");

	try {
	var test = document.getElementById("test");
	for (var i = 0; i < test.children.length; i++)
	test.children[i].firstChild.innerHTML = "child " + i;
	} catch(e) {}

	var child = test.firstElementChild;
	for (var i = 0; i < 5; i++) {
	shouldBeEqualToString("child.firstChild.innerText", "child " + i);
	child = child.nextElementSibling;
	}
	shouldBeNull("child");

	</script>
	<script src="../../resources/js-test-post.js"></script>
	</body>
	</html>