third_party/blink/web_tests/accessibility/selection-change-notification-contenteditable.html - chromium/src - Git at Google

 <!DOCTYPE HTML>
 <html>
 <head>
 <script src="../resources/testharness.js"></script>
 <script src="../resources/testharnessreport.js"></script>
 <script src="../resources/run-after-layout-and-paint.js"></script>
 </head>
 <body id="static_eventTarget">

 <div id="contentEditable" contentEditable="true">
   <p>Before</p>
   <p id="p">One paragraph in a contentEditable</p>
   <p>After</p>
 </div>

 <script>
 async_test_after_layout_and_paint((t) => {
     var element = document.getElementById('contentEditable');
     var axElement = accessibilityController.accessibleElementById('contentEditable');
     element.focus();

     axElement.addNotificationListener(t.step_func((notification) => {
         if (notification == 'SelectedTextChanged') {
             axElement.removeNotificationListener();
             t.done();
             return;
         }
         assert_unreached('Unexpected notification: ' + notification);
     }));

     var p = document.getElementById('p');
     var range = document.createRange();
     range.setStart(p.firstChild, 0);
     range.setEnd(p.firstChild, 1);
     window.getSelection().removeAllRanges();
     window.getSelection().addRange(range);
 }, "Tests that a 'selected text changed' notification fires on a contentEditable element when the user moves the cursor within it.");

 </script>

 </body>
 </html>
	<!DOCTYPE HTML>
	<html>
	<head>
	<script src="../resources/testharness.js"></script>
	<script src="../resources/testharnessreport.js"></script>
	<script src="../resources/run-after-layout-and-paint.js"></script>
	</head>
	<body id="static_eventTarget">

	<div id="contentEditable" contentEditable="true">
	<p>Before</p>
	<p id="p">One paragraph in a contentEditable</p>
	<p>After</p>
	</div>

	<script>
	async_test_after_layout_and_paint((t) => {
	var element = document.getElementById('contentEditable');
	var axElement = accessibilityController.accessibleElementById('contentEditable');
	element.focus();

	axElement.addNotificationListener(t.step_func((notification) => {
	if (notification == 'SelectedTextChanged') {
	axElement.removeNotificationListener();
	t.done();
	return;
	}
	assert_unreached('Unexpected notification: ' + notification);
	}));

	var p = document.getElementById('p');
	var range = document.createRange();
	range.setStart(p.firstChild, 0);
	range.setEnd(p.firstChild, 1);
	window.getSelection().removeAllRanges();
	window.getSelection().addRange(range);
	}, "Tests that a 'selected text changed' notification fires on a contentEditable element when the user moves the cursor within it.");

	</script>

	</body>
	</html>