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

   1 <!DOCTYPE HTML>
   2 <html>
   3     <head>
   4         <meta charset="utf-8" />
   5         <title>shrink resource timing buffer size</title>
   6         <link rel="author" title="Intel" href="http://www.intel.com/" />
   7         <link rel="help" href="http://www.w3.org/TR/resource-timing/#performanceresourcetiming"/>
   8         <script src="/w3c/resources/testharness.js"></script>
   9         <script src="/w3c/resources/testharnessreport.js"></script>
  10         <script src="/w3c/webperf/resources/webperftestharness.js"></script>
  11         <script src="/w3c/webperf/resources/webperftestharnessextension.js"></script>
  12         <script>
  13             setup({ explicit_done: true });
  14             var context = new PerformanceContext(performance);
  15             function onload_test()
  16             {
  17                 var entry_list_before_shrink = context.getEntriesByType('resource');
  18                 context.setResourceTimingBufferSize(0);
  19                 var entry_list_after_shrink = context.getEntriesByType('resource');
  20
  21                 test_greater_than(entry_list_before_shrink.length, 0, "There should be entries in resource timing buffer!");
  22                 test_equals(JSON.stringify(entry_list_before_shrink), JSON.stringify(entry_list_after_shrink), "Resource timing buffer should never been changed even buffer size is shrunk!");
  23
  24                 context.clearResourceTimings();
  25                 test_equals(context.getEntriesByType('resource').length, 0, "There should be no entries in resource timing buffer after clearResourceTimings");
  26                 done();
  27             }
  28         </script>
  29     </head>
  30     <body onload=onload_test()>
  31         <h1>Description</h1>
  32         <p>This test validates the behavior of shrink resource timing buffer size.</p>
  33     </body>
  34 </html>