dom/performance/tests/test_performance_user_timing.html

   1 <!DOCTYPE HTML>
   2 <html>
   3     <!--
   4               https://bugzilla.mozilla.org/show_bug.cgi?id=782751
   5               -->
   6     <head>
   7         <title>Test for Bug 782751</title>
   8         <meta http-equiv="content-type" content="text/html; charset=UTF-8">
   9         <script src="/tests/SimpleTest/SimpleTest.js"></script>
  10         <script type="text/javascript" src="test_performance_user_timing.js"></script>
  11     </head>
  12     <body>
  13         <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=782751">Mozilla Bug 782751 - User Timing API</a>
  14         <div id="content">
  15         </div>
  16         <pre id="test">
  17             <script class="testbody" type="text/javascript">
  18              var index = 0;
  19
  20              function next() {
  21                  ok(true, "Begin!");
  22                  var arr;
  23                  for (var i = 0; i < steps.length; ++i) {
  24                      try {
  25                          performance.clearMarks();
  26                          performance.clearMeasures();
  27                          performance.clearResourceTimings();
  28                          is(performance.getEntriesByType("resource").length, 0, "clearing performance resource entries");
  29                          is(performance.getEntriesByType("mark").length, 0, "clearing performance mark entries");
  30                          is(performance.getEntriesByType("measure").length, 0, "clearing performance measure entries");
  31                          steps[i]();
  32                      } catch(ex) {
  33                          ok(false, "Caught exception", ex);
  34                      }
  35                  }
  36
  37                 SpecialPowers.setBoolPref("privacy.reduceTimerPrecision", reduceTimePrecisionPrevPrefValue);
  38                 SimpleTest.finish();
  39              }
  40
  41              var reduceTimePrecisionPrevPrefValue = SpecialPowers.getBoolPref("privacy.reduceTimerPrecision");
  42              SpecialPowers.setBoolPref("privacy.reduceTimerPrecision", false);
  43
  44              SimpleTest.waitForExplicitFinish();
  45              addLoadEvent(next);
  46             </script>
  47         </pre>
  48     </body>
  49 </html>