src/third_party/WebKit/LayoutTests/http/tests/w3c/webperf/submission/Intel/resource-timing/test_resource_timing_store_and_clear_during_callback.html

   1 <!DOCTYPE HTML>
   2 <html>
   3     <head>
   4         <meta charset="utf-8" />
   5         <title>read and clear resource timing entry in onresourcetimingbufferfull callback</title>
   6         <script src="/w3c/webperf/resources/webperftestharnessextension.js"></script>
   7         <script>
   8             var context = new PerformanceContext(performance);
   9             var resource_timing_buffer_size = 1;
  10             var global_buffer = [];
  11             function store_and_clear()
  12             {
  13                 var entry_list = context.getEntriesByType('resource');
  14                 for (var i = 0; i < entry_list.length; ++i)
  15                     global_buffer.push(entry_list[i]);
  16                 context.clearResourceTimings();
  17             }
  18             context.registerResourceTimingBufferFullCallback(store_and_clear);
  19             context.setResourceTimingBufferSize(resource_timing_buffer_size);
  20         </script>
  21         <link rel="author" title="Intel" href="http://www.intel.com/" />
  22         <link rel="help" href="http://www.w3.org/TR/resource-timing/#performanceresourcetiming"/>
  23         <script src="/w3c/resources/testharness.js"></script>
  24         <script src="/w3c/resources/testharnessreport.js"></script>
  25         <script src="/w3c/webperf/resources/webperftestharness.js"></script>
  26         <script>
  27             setup({ explicit_done: true });
  28             function onload_test()
  29             {
  30                 test_equals(context.getEntriesByType('resource').length, 0, "No entry should be stored in resource timing buffer since it's cleared once an item arrived!");
  31                 test_equals(global_buffer.length, 4, "4 resource timing entries should be moved to global buffer!");
  32                 done();
  33             }
  34         </script>
  35     </head>
  36     <body onload=onload_test()>
  37         <h1>Description</h1>
  38         <p>This test validates the behavior of read and clear operation in onresourcetimingbufferfull callback of resource timing.</p>
  39     </body>
  40 </html>