LayoutTests/fast/events/before-unload-remove-itself.html - WebKit - Git at Google

 <!DOCTYPE html>
 <html>
 <body>
 <p>This test ensures a beforeunload event handler can safely remove the frame to which the event is fired. You should see PASS below:</p>
 <pre id="log"></pre>
 <script>

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

 var log = document.getElementById('log');
 var done = false;

 function test() {
     if (done) {
         // log's not having any content implies that load event was dispatched for the second time before beforeunload is dispatched.
         if (!log.innerHTML.length)
             log.innerHTML = 'FAIL: beforeunload event was never dispatched.\n';
         else
             log.innerHTML = 'FAIL: beforeunload event handler did not remove the frame.\n';
         if (window.testRunner)
             testRunner.notifyDone();
         return;
     }
     done = true;
     document.getElementsByTagName('iframe')[0].contentWindow.location.href = 'resources/before-unload-in-subframe-child.html';
 }

 function fired() {
     document.body.removeChild(document.body.getElementsByTagName('iframe')[0]);
     log.innerHTML = 'PASS\n';
     if (window.testRunner)
         testRunner.notifyDone();
 }

 </script>
 <iframe onload="test()" src="resources/before-unload-in-subframe-child.html"></iframe>
 </body>
 </html>
	<!DOCTYPE html>
	<html>
	<body>
	<p>This test ensures a beforeunload event handler can safely remove the frame to which the event is fired. You should see PASS below:</p>
	<pre id="log"></pre>
	<script>

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

	var log = document.getElementById('log');
	var done = false;

	function test() {
	if (done) {
	// log's not having any content implies that load event was dispatched for the second time before beforeunload is dispatched.
	if (!log.innerHTML.length)
	log.innerHTML = 'FAIL: beforeunload event was never dispatched.\n';
	else
	log.innerHTML = 'FAIL: beforeunload event handler did not remove the frame.\n';
	if (window.testRunner)
	testRunner.notifyDone();
	return;
	}
	done = true;
	document.getElementsByTagName('iframe')[0].contentWindow.location.href = 'resources/before-unload-in-subframe-child.html';
	}

	function fired() {
	document.body.removeChild(document.body.getElementsByTagName('iframe')[0]);
	log.innerHTML = 'PASS\n';
	if (window.testRunner)
	testRunner.notifyDone();
	}

	</script>
	<iframe onload="test()" src="resources/before-unload-in-subframe-child.html"></iframe>
	</body>
	</html>