LayoutTests/editing/inserting/editable-html-element.html - WebKit - Git at Google

 <html contenteditable="true">
 <script>
 if (window.testRunner)
      testRunner.dumpEditingCallbacks();
 </script>

 <script>
 function runTest() {
     var s = window.getSelection();
     var e = document.getElementById("test");

     s.setPosition(e, 0);
     document.execCommand("InsertText", false, "This tests to make sure that when the enclosing block is the body element, and when the html element is editable,  inserting a paragraph separator doesn't split the body (inserting a paragraph separator usually splits/clones the enclosing block flow element).");
     s.setPosition(e, 0);
     s.modify("move", "forward", "line");
     s.modify("move", "forward", "line");
     s.modify("move", "forward", "line");
     document.execCommand("InsertParagraph");
 }
 </script>
 <body id="test" onLoad="runTest();"></body>
 </html>
	<html contenteditable="true">
	<script>
	if (window.testRunner)
	testRunner.dumpEditingCallbacks();
	</script>

	<script>
	function runTest() {
	var s = window.getSelection();
	var e = document.getElementById("test");

	s.setPosition(e, 0);
	document.execCommand("InsertText", false, "This tests to make sure that when the enclosing block is the body element, and when the html element is editable, inserting a paragraph separator doesn't split the body (inserting a paragraph separator usually splits/clones the enclosing block flow element).");
	s.setPosition(e, 0);
	s.modify("move", "forward", "line");
	s.modify("move", "forward", "line");
	s.modify("move", "forward", "line");
	document.execCommand("InsertParagraph");
	}
	</script>
	<body id="test" onLoad="runTest();"></body>
	</html>