LayoutTests/fast/shadow-dom/selection-at-shadow-root-crash.html - WebKit - Git at Google

 <!DOCTYPE html>
 <body>
 <p>This tests copying an image which is a direct child of a shadow root.
 To manually test, copy the image by pressing command / control + c. WebKit should not crash or hit an assertion.
 </p>
 <pre id="result"></pre>
 <script>
 if (window.testRunner) {
     testRunner.dumpAsText();
     testRunner.waitUntilDone();
 }

 var host = document.createElement('div');
 var root = host.attachShadow({mode: 'closed'});
 root.innerHTML = '<img src="../../editing/resources/abe.png" onload="runTest()">';

 document.body.appendChild(host);

 function runTest() {
     window.getSelection().selectAllChildren(root);
     document.execCommand('copy', null, false);
     document.getElementById('result').textContent = 'PASS - WebKit did not crash';

     if (testRunner)
         testRunner.notifyDone();
 }

 </script>
 </body>
 </html>
	<!DOCTYPE html>
	<body>
	<p>This tests copying an image which is a direct child of a shadow root.
	To manually test, copy the image by pressing command / control + c. WebKit should not crash or hit an assertion.
	</p>
	<pre id="result"></pre>
	<script>
	if (window.testRunner) {
	testRunner.dumpAsText();
	testRunner.waitUntilDone();
	}

	var host = document.createElement('div');
	var root = host.attachShadow({mode: 'closed'});
	root.innerHTML = '<img src="../../editing/resources/abe.png" onload="runTest()">';

	document.body.appendChild(host);

	function runTest() {
	window.getSelection().selectAllChildren(root);
	document.execCommand('copy', null, false);
	document.getElementById('result').textContent = 'PASS - WebKit did not crash';

	if (testRunner)
	testRunner.notifyDone();
	}

	</script>
	</body>
	</html>