nav2-test-response-end-and-duration-before-during-and-after-load-event.html (1499B)
1 <!DOCTYPE HTML> 2 <html> 3 <meta name="timeout" content="long"> 4 <script src="/resources/testharness.js"></script> 5 <script src="/resources/testharnessreport.js"></script> 6 <iframe src="resources/respond-slowly.py"></iframe> 7 <body> 8 <script> 9 async_test(function(t) { 10 window.addEventListener('message', t.step_func_done(function(event) { 11 let originalResponseEnd = event.data[0]; 12 let originalDuration = event.data[1]; 13 let responseEndDuringLoadEvent = event.data[2]; 14 let durationDuringLoadEvent = event.data[3]; 15 let responseEndAfterLoadEvent = event.data[4]; 16 let durationAfterLoadEvent = event.data[5]; 17 assert_equals(originalResponseEnd, 0, "PerformanceNavigationTiming.responseEnd == 0 before load event"); 18 assert_equals(originalDuration, 0, "PerformanceNavigationTiming.duration is 0 before load event"); 19 assert_greater_than(responseEndDuringLoadEvent, 500, "PerformanceNavigationTiming.responseEnd is reasonable during load event"); 20 assert_equals(durationDuringLoadEvent, 0, "PerformanceNavigationTiming.duration is 0 during load event"); 21 assert_greater_than(responseEndAfterLoadEvent, 500, "PerformanceNavigationTiming.responseEnd is reasonable after load event"); 22 assert_greater_than(durationAfterLoadEvent, 500, "PerformanceNavigationTiming.duration is reasonable after load event"); 23 })); 24 }, "Check that performance.getEntriesByType('navigation')[0].responseEnd has reasonable values before and after the load has finished"); 25 </script> 26 </body> 27 </html>