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<!DOCTYPE html> <html> <head> <meta charset="utf-8" /> <title>functionality test of window.performance.measure</title> <link rel="author" title="Intel" href="http://www.intel.com/" /> <link rel="help" href="http://www.w3.org/TR/user-timing/#extensions-performance-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 src="resources/webperftestharnessextension.js"></script> <script> setup({ explicit_done: true }); function onload_test() { const context = new PerformanceContext(window.performance); const entrylist_checker = new performance_entrylist_checker('measure'); const measure_names = measures.map(function(x) {return x[0];}); test_equals(context.getEntriesByType('measure').length, 0, 'There should be ' + 0 + ' entries returned.'); mark_names.forEach(function(name) { context.mark(name); }); measures.forEach(context.initialMeasures, context); let measure_entrylist = context.getEntriesByType('measure'); entrylist_checker.entrylist_check(measure_entrylist, measures.length, measure_names, 'Checking all entries.'); for (let i = 0; i < measure_entrylist.length; ++i) { const measure_entrylist_by_name = context.getEntriesByName(measure_entrylist[i].name, 'measure'); entrylist_checker.entrylist_check(measure_entrylist_by_name, 1, measure_names, 'First loop: checking entry of name "' + measure_entrylist[i].name + '".'); } // Following cases test for scenarios that measure names are tied for two times mark_names.forEach(function(name) { context.mark(name); }); measures.forEach(context.initialMeasures, context); measure_entrylist = context.getEntriesByType('measure'); entrylist_checker.entrylist_check(measure_entrylist, measures.length * 2, measure_names, 'Checking all doubly measured entries.'); for (let i = 0; i < measure_entrylist.length; ++i) { const measure_entrylist_by_name = context.getEntriesByName(measure_entrylist[i].name, 'measure'); entrylist_checker.entrylist_check(measure_entrylist_by_name, 2, measure_names, 'Second loop step ' + i + ': checking entry of name "' + measure_entrylist[i].name + '".'); } done(); } </script> </head> <body onload=onload_test()> <h1>Description</h1> <p>This test validates functionality of the interface window.performance.measure.</p> <div id="log"></div> </body> </html>