<!DOCTYPE html> <html> <head> <meta charset="utf-8" /> <title>window.performance.timing attributes after a reloaded navigation</title> <link rel="author" title="Microsoft" href="http://www.microsoft.com/" /> <link rel="help" href="http://www.w3.org/TR/navigation-timing/#sec-navigation-timing-interface"/> <link rel="help" href="http://www.w3.org/TR/navigation-timing/#sec-navigation-info-interface"/> <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> <script> setup({explicit_done: true}); // explicitly test the namespace before we start testing test_namespace('navigation'); var reload_frame; var initial_timing; function onload_test() { reload_frame = document.getElementById("frameContext"); if (reload_frame.contentWindow.performance === undefined) { // avoid script errors done(); return; } reload_frame.onload = do_test; // save frame's initial timings initial_timing = {}; var timing = reload_frame.contentWindow.performance.timing; for (var i = 0; i < timingAttributes.length; ++i) { var property = timingAttributes[i]; initial_timing[property] = timing[property]; } step_timeout(reload_the_frame, 100); } function reload_the_frame() { reload_frame.contentWindow.location.reload(true); } function do_test() { reload_frame.onload = ""; // ensure the frame reloaded test_equals(reload_frame.contentWindow.performance.navigation.type, performanceNamespace.navigation.TYPE_RELOAD, "window.performance.navigation.type == TYPE_RELOAD"); // ensure reload timings changed var timing = reload_frame.contentWindow.performance.timing; for (var i = 0; i < timingAttributes.length; ++i) { var property = timingAttributes[i]; // ignore any timings that were zero initially if (initial_timing[property] !== 0) { test_not_equals(timing[property], initial_timing[property], property + " is different after the reload."); } } done(); } </script> </head> <body onload="onload_test();"> <h1>Description</h1> <p>This test validates that the window.performance.timing attributes change when a page is reloaded.</p> <p>This page should be loaded with a green background frame below. The frame will be automatically reloaded and then verified that the window.performance.timing attributes have been updated to the new reloaded navigation timings.</p> <div id="log"></div> <br /> <iframe id="frameContext" src="resources/blank_page_green.html" style="width: 250px; height: 250px;"></iframe> </body> </html>