src/third_party/web_platform_tests/dom/events/Event-dispatch-redispatch.html - cobalt - Git at Google

 <!DOCTYPE html>
 <meta charset=urf-8>
 <title>EventTarget#dispatchEvent(): redispatching a native event</title>
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
 <div id=log></div>
 <script>
 async_test(function() {
   var event;
   document.addEventListener("DOMContentLoaded", this.step_func(function(e) {
     assert_true(e.isTrusted, "Should be trusted when first handled");
     event = e;
   }), true);

   window.onload = this.step_func_done(function() {
     var received = 0;
     var target = document.createElement("span");
     target.addEventListener("DOMContentLoaded", this.step_func(function(e) {
       assert_false(e.isTrusted, "Should not be trusted during redispatching");
       ++received;
     }), true);
     assert_true(event.isTrusted, "Should be trusted before redispatching");
     target.dispatchEvent(event);
     assert_false(event.isTrusted, "Should not be trusted after redispatching");
     assert_equals(received, 1);
   });
 });
 </script>
	<!DOCTYPE html>
	<meta charset=urf-8>
	<title>EventTarget#dispatchEvent(): redispatching a native event</title>
	<script src="/resources/testharness.js"></script>
	<script src="/resources/testharnessreport.js"></script>
	<div id=log></div>
	<script>
	async_test(function() {
	var event;
	document.addEventListener("DOMContentLoaded", this.step_func(function(e) {
	assert_true(e.isTrusted, "Should be trusted when first handled");
	event = e;
	}), true);

	window.onload = this.step_func_done(function() {
	var received = 0;
	var target = document.createElement("span");
	target.addEventListener("DOMContentLoaded", this.step_func(function(e) {
	assert_false(e.isTrusted, "Should not be trusted during redispatching");
	++received;
	}), true);
	assert_true(event.isTrusted, "Should be trusted before redispatching");
	target.dispatchEvent(event);
	assert_false(event.isTrusted, "Should not be trusted after redispatching");
	assert_equals(received, 1);
	});
	});
	</script>