test-unique-performance-objects.html (1416B)
1 <!DOCTYPE html> 2 <html> 3 <head> 4 <meta charset="utf-8" /> 5 <title>Each window object has a unique performance object</title> 6 <link rel="author" title="Microsoft" href="http://www.microsoft.com/" /> 7 <link rel="help" href="http://www.w3.org/TR/navigation-timing/#sec-window.performance-attribute" /> 8 <meta name="assert" content="Each browsing context must have a unique window.performance.timing attribute."/> 9 <script src="/resources/testharness.js"></script> 10 <script src="/resources/testharnessreport.js"></script> 11 <script src="/common/performance-timeline-utils.js"></script> 12 <script src="resources/webperftestharness.js"></script> 13 </head> 14 <body> 15 <h1>Description</h1> 16 <p>This test validates that each window has a unique window.performance object.</p> 17 <iframe id="frameContext" src="resources/blank_page_green.html" style="display:none;";></iframe> 18 <div id="log"></div> 19 <script> 20 test_namespace('timing'); 21 22 if (performanceNamespace !== undefined) 23 { 24 test_not_equals(performanceNamespace.timing, 25 document.getElementById("frameContext").contentWindow.performance.timing, 26 "Different window objects have unique performance objects"); 27 } 28 </script> 29 </body> 30 </html>