<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>window.performance.navigation attributes</title> <link rel="author" title="Mozilla" href="https://www.mozilla.org/" /> <link rel="help" href="https://www.w3.org/TR/navigation-timing-2/#processing-model"/> <script src="/resources/testharness.js"></script> <script src="/resources/testharnessreport.js"></script> <script src="/common/performance-timeline-utils.js"></script> <script src="resources/webperftestharness.js"></script> </head> <body> <h1>Description</h1> <p>This test checks that the transferSize, encodedBodySize and decodedBodySize attributes have correct values when checked in the onload handler</p> <div id="log"></div> <script> async_test(function (t) { document.addEventListener("DOMContentLoaded", t.step_func_done(() => { let entry = window.performance.getEntriesByType("navigation")[0]; assert_greater_than(entry.transferSize, 1000, "descr"); assert_greater_than(entry.encodedBodySize, 1000, "descr"); assert_greater_than(entry.decodedBodySize, 1000, "descr"); })); }, "Test that the attributes have a proper value during DOMContentLoaded"); async_test(function (t) { window.addEventListener("load", t.step_func_done(() => { let entry = window.performance.getEntriesByType("navigation")[0]; assert_greater_than(entry.transferSize, 1000, "descr"); assert_greater_than(entry.encodedBodySize, 1000, "descr"); assert_greater_than(entry.decodedBodySize, 1000, "descr"); async_test(function (t) { setTimeout(t.step_func_done(() => { let entry = window.performance.getEntriesByType("navigation")[0]; assert_greater_than(entry.transferSize, 1000, "descr"); assert_greater_than(entry.encodedBodySize, 1000, "descr"); assert_greater_than(entry.decodedBodySize, 1000, "descr"); }), 0); }, "Test that the attributes have a proper value during a task after onload"); })); }, "Test that the attributes have a proper value during onload"); </script> </body> </html>