chromium/third_party/blink/web_tests/editing/selection/selectNodeContents.html

<script>
if (window.testRunner) {
    testRunner.dumpEditingCallbacks();
    testRunner.dumpAsLayoutWithPixelResults();
}
</script>
<script>
function log(str) {
    var li = document.createElement("li");
    li.appendChild(document.createTextNode(str));
    var console = document.getElementById("console");
    console.appendChild(li);
}
</script>
<body>
<p>This tests Range.selectNodeContents() of a text node and a br.</p>
<div>one</div>
<div id=targetParent>two<br>three</div>
<div>four</div>
<ul id="console"></ul>
<script>
    try {
		textNode = targetParent.firstChild;
		range = document.createRange();
		range.selectNodeContents(textNode);
		if (range.startContainer != textNode)
			throw("range.startContainer != textNode");
		if (range.endContainer != textNode)
			throw("range.endContainer != textNode");
		if (range.startOffset != 0)
			throw("Incorrect startOffset in textNode.");
		if (range.endOffset != 3)
			throw("Incorrect endOffset in textNode.");
		if (range.toString() != "two")
			throw("Couldn't get the contents of a text node.");
		
		brNode = textNode.nextSibling;
		range.selectNodeContents(brNode);
		if (range.startContainer != brNode)
			throw("range.startContainer != brNode");
		if (range.endContainer != brNode)
			throw("range.endContainer != brNode");
		if (range.startOffset != 0)
			throw("Incorrect startOffset in br node.");
		if (range.endOffset != 0)
			throw("Incorrect endOffset in br node.");
		if (range.toString() != "")
			throw("Found br node with non-empty content.");
		
		log("Success.");
    } catch(e) {
        log("Test Failed.  Error was: " + e);
    }
</script>
</body>