LayoutTests/editing/pasteboard/clipboard-customData.html - WebKit - Git at Google

 <!DOCTYPE html>
 <html>
 <head>
 </head>
 <body>
 <p>Simple test that custom clipboard MIME types can be set during copy events
 and retrieved during paste events. The test can be manually run by copying
 any text on this page and then pasting anywhere. On success, the word SUCCESS
 will appear below.
 <div id="log"></div>
 <script>
 function copy(event) {
     event.clipboardData.setData('text', 'sample');
     event.clipboardData.setData('custom-data', 'hello world');
     event.preventDefault();
 }

 function paste(event) {
     var failed = false;
     if (event.clipboardData.types.indexOf('text/plain') < 0
         || event.clipboardData.types.indexOf('custom-data') < 0)
         failed = true;
     if (event.clipboardData.getData('text') != 'sample'
         || event.clipboardData.getData('custom-data') != 'hello world')
         failed = true;
     document.getElementById('log').innerText = failed ? 'FAILURE' : 'SUCCESS';
     event.preventDefault();
 }
 document.body.addEventListener('copy', copy);
 document.body.addEventListener('paste', paste);

 function runTest() {
     if (!window.testRunner)
         return;

     testRunner.dumpAsText();
     document.execCommand('copy');
     document.execCommand('paste');
 }
 runTest();
 </script>
 </body>
 </html>
	<!DOCTYPE html>
	<html>
	<head>
	</head>
	<body>
	<p>Simple test that custom clipboard MIME types can be set during copy events
	and retrieved during paste events. The test can be manually run by copying
	any text on this page and then pasting anywhere. On success, the word SUCCESS
	will appear below.
	<div id="log"></div>
	<script>
	function copy(event) {
	event.clipboardData.setData('text', 'sample');
	event.clipboardData.setData('custom-data', 'hello world');
	event.preventDefault();
	}

	function paste(event) {
	var failed = false;
	if (event.clipboardData.types.indexOf('text/plain') < 0
	\|\| event.clipboardData.types.indexOf('custom-data') < 0)
	failed = true;
	if (event.clipboardData.getData('text') != 'sample'
	\|\| event.clipboardData.getData('custom-data') != 'hello world')
	failed = true;
	document.getElementById('log').innerText = failed ? 'FAILURE' : 'SUCCESS';
	event.preventDefault();
	}
	document.body.addEventListener('copy', copy);
	document.body.addEventListener('paste', paste);

	function runTest() {
	if (!window.testRunner)
	return;

	testRunner.dumpAsText();
	document.execCommand('copy');
	document.execCommand('paste');
	}
	runTest();
	</script>
	</body>
	</html>