| <!DOCTYPE html> |
| <title>PerformanceNavigationTiming.activationStart in prerendered page</title> |
| <meta name="timeout" content="long"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="resources/utils.js"></script> |
| <body> |
| <script> |
| |
| setup(() => assertSpeculationRulesIsSupported()); |
| |
| promise_test(async t => { |
| const testChannel = new BroadcastChannel('test-channel'); |
| t.add_cleanup(() => { |
| testChannel.close(); |
| }); |
| const gotMessage = new Promise(resolve => { |
| testChannel.addEventListener('message', e => resolve(e.data), {once: true}); |
| }); |
| window.open('resources/activation-start.html', '_blank', 'noopener'); |
| assert_equals(await gotMessage, 'Done'); |
| }, 'PerformanceNavigationTiming.activationStart in prerendered page'); |
| |
| </script> |
| </body> |
