dom/reporting/tests/test_memoryPressure.html

   1 <!DOCTYPE HTML>
   2 <html>
   3 <head>
   4   <title>Test for ReportingObserver + memory-pressure</title>
   5   <script src="/tests/SimpleTest/SimpleTest.js"></script>
   6   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
   7 </head>
   8 <body>
   9
  10 <script type="application/javascript">
  11
  12 info("Testing TakeRecords() without memory-pressure");
  13 let o = new ReportingObserver(() => {});
  14 o.observe();
  15
  16 new TestingDeprecatedInterface();
  17 let r = o.takeRecords();
  18 is(r.length, 1, "We have 1 report");
  19
  20 r = o.takeRecords();
  21 is(r.length, 0, "We have 0 reports after a takeRecords()");
  22
  23 info("Testing DeprecatedTestingMethod report");
  24
  25 new TestingDeprecatedInterface();
  26 SpecialPowers.Services.obs.notifyObservers(null, "memory-pressure", "heap-minimize");
  27
  28 r = o.takeRecords();
  29 is(r.length, 0, "We have 0 reports after a memory-pressure");
  30
  31 </script>
  32 </body>
  33 </html>