LayoutTests/http/tests/webAPIStatistics/canvas-read-and-write-data-collection.html

   1 <!DOCTYPE html><!-- webkit-test-runner [ internal:WebAPIStatisticsEnabled=true ] -->
   2 <head>
   3     <meta charset="UTF-8">
   4     <title>Test for canvas read and write data collection in resource load statistics</title>
   5 </head>
   6 <script>
   7     internals.setResourceLoadStatisticsEnabled(false);
   8 </script>
   9 <body>
  10 <p> Tests for canvas read and write data collection in ResourceLoadStatistics plist by rendering and reading text on the canvas and dumping the entire resource load statistics map. </p>
  11 <script>
  12     const hostUnderTest = "127.0.0.1:8000";
  13     const statisticsUrl = "http://" + hostUnderTest + "/temp";
  14
  15     function completeTest() {
  16         testRunner.statisticsResetToConsistentState(function() {
  17             testRunner.notifyDone();
  18         });
  19     }
  20
  21     function runTestRunnerTest() {
  22         testRunner.setStatisticsNotifyPagesWhenDataRecordsWereScanned(true);
  23
  24         testRunner.installStatisticsDidScanDataRecordsCallback(completeTest);
  25
  26         var canvas = document.createElement('canvas');
  27         var context = canvas.getContext('2d');
  28         context.fillText('suspicious invisible text', 2, 15);
  29         canvas.toDataURL();
  30         testRunner.statisticsNotifyObserver();
  31     }
  32
  33     if (document.location.host === hostUnderTest && window.testRunner && window.internals) {
  34         testRunner.dumpAsText();
  35         testRunner.dumpResourceLoadStatistics();
  36         testRunner.waitUntilDone();
  37         internals.setResourceLoadStatisticsEnabled(true);
  38         testRunner.setWebAPIStatisticsEnabled(true);
  39         runTestRunnerTest();
  40     }
  41 </script>
  42 </body>
  43 </html>