LayoutTests/fast/text/scroll-text-overflow-ellipsis.html - WebKit - Git at Google

 <!DOCTYPE html>
 <html>
 <head>
 <script src="../../resources/ui-helper.js"></script>
 <style>
 body {
     margin: 0;
     padding: 0;
 }

 .hidden {
     display: none;
 }

 #ellipsizedText {
     font-size: 300%;
     text-overflow: ellipsis;
     display: inline-block;
     overflow: hidden;
     white-space: nowrap;
     width: 55px;
     height: 55px;
     background-color: green;
     color: red;
 }
 </style>
 </head>
 <body>
 <div id="manual-instructions" class="hidden">
     <p>Tests that a text-overflow box is scrollable. To run by hand, perform the following:</p>
     <ol>
         <li>Click anywhere in the green box (below) to focus it.</li>
         <li>Press the down arrow on the keyboard.</li>
     </ol>
     <p>This test PASSED if you see a solid green square. Otherwise, it FAILED.</p>
 </div>
 <div id="ellipsizedText" contenteditable="true">abcde</div>
 <script>
 function done()
 {
     document.getElementById("ellipsizedText").blur(); // To avoid painting the caret.
     if (window.testRunner)
         testRunner.notifyDone();
 }

 function runTest()
 {
     function scrollToEndOfLine() {
         return UIHelper.keyDown("downArrow");
     }
     UIHelper.activateAndWaitForInputSessionAt(0, 0).then(scrollToEndOfLine);
 }

 document.getElementById("ellipsizedText").addEventListener("scroll", done, {once: true});

 if (!window.testRunner)
     document.getElementById("manual-instructions").classList.remove("hidden"); // Show manual instructions
 else {
     testRunner.waitUntilDone();

     runTest();
 }
 </script>
 </body>
 </html>
	<!DOCTYPE html>
	<html>
	<head>
	<script src="../../resources/ui-helper.js"></script>
	<style>
	body {
	margin: 0;
	padding: 0;
	}

	.hidden {
	display: none;
	}

	#ellipsizedText {
	font-size: 300%;
	text-overflow: ellipsis;
	display: inline-block;
	overflow: hidden;
	white-space: nowrap;
	width: 55px;
	height: 55px;
	background-color: green;
	color: red;
	}
	</style>
	</head>
	<body>
	<div id="manual-instructions" class="hidden">
	<p>Tests that a text-overflow box is scrollable. To run by hand, perform the following:</p>
	<ol>
	<li>Click anywhere in the green box (below) to focus it.</li>
	<li>Press the down arrow on the keyboard.</li>
	</ol>
	<p>This test PASSED if you see a solid green square. Otherwise, it FAILED.</p>
	</div>
	<div id="ellipsizedText" contenteditable="true">abcde</div>
	<script>
	function done()
	{
	document.getElementById("ellipsizedText").blur(); // To avoid painting the caret.
	if (window.testRunner)
	testRunner.notifyDone();
	}

	function runTest()
	{
	function scrollToEndOfLine() {
	return UIHelper.keyDown("downArrow");
	}
	UIHelper.activateAndWaitForInputSessionAt(0, 0).then(scrollToEndOfLine);
	}

	document.getElementById("ellipsizedText").addEventListener("scroll", done, {once: true});

	if (!window.testRunner)
	document.getElementById("manual-instructions").classList.remove("hidden"); // Show manual instructions
	else {
	testRunner.waitUntilDone();

	runTest();
	}
	</script>
	</body>
	</html>