LayoutTests/fast/custom-elements/custom-element-reaction-within-disallowed-scope.html - WebKit - Git at Google

 <!DOCTYPE html>
 <html>
 <body>
 <script>

 if (window.testRunner) {
     testRunner.waitUntilDone();
     testRunner.dumpAsText();
 }

 function startTest() {
     iframe = document.createElement('iframe');
     document.body.appendChild(iframe);
     iframe.onload = continueTest;
     iframe.src = 'custom-element-reaction-within-disallowed-scope.html';
 }

 function continueTest() {
     iframe.src = 'custom-element-reaction-within-disallowed-scope.html#target';
     document.getElementById('result').textContent = didChange
         ? 'PASS - WebKit did not hit an assertion'
         : 'FAIL - The code to trigger a custom element reaction never ran';
     if (window.testRunner)
         testRunner.notifyDone();
 }

 if (top == self) {
     document.write('<p>This tests enqueuing a custom element reaction inside an API with CEReaction=NotNeeded. WebKit should not hit a debug assertion.</p>');
     window.onload = startTest;
 } else {
     document.write('<p><a id="target" href="#">child target</a></p>');

     class SomeElement extends HTMLElement { };
     customElements.define('some-element', SomeElement);

     document.getElementById('target').addEventListener('focus', () => {
         document.body.appendChild(new SomeElement);
         top.didChange = true;
     });
 }

 </script>
 <pre id="result"></pre>
 </body>
 </html>
	<!DOCTYPE html>
	<html>
	<body>
	<script>

	if (window.testRunner) {
	testRunner.waitUntilDone();
	testRunner.dumpAsText();
	}

	function startTest() {
	iframe = document.createElement('iframe');
	document.body.appendChild(iframe);
	iframe.onload = continueTest;
	iframe.src = 'custom-element-reaction-within-disallowed-scope.html';
	}

	function continueTest() {
	iframe.src = 'custom-element-reaction-within-disallowed-scope.html#target';
	document.getElementById('result').textContent = didChange
	? 'PASS - WebKit did not hit an assertion'
	: 'FAIL - The code to trigger a custom element reaction never ran';
	if (window.testRunner)
	testRunner.notifyDone();
	}

	if (top == self) {
	document.write('<p>This tests enqueuing a custom element reaction inside an API with CEReaction=NotNeeded. WebKit should not hit a debug assertion.</p>');
	window.onload = startTest;
	} else {
	document.write('<p><a id="target" href="#">child target</a></p>');

	class SomeElement extends HTMLElement { };
	customElements.define('some-element', SomeElement);

	document.getElementById('target').addEventListener('focus', () => {
	document.body.appendChild(new SomeElement);
	top.didChange = true;
	});
	}

	</script>
	<pre id="result"></pre>
	</body>
	</html>