third_party/WebKit/LayoutTests/fast/workers/worker-structure-message.html

   1 <!DOCTYPE html>
   2 <html>
   3 <body>
   4 <p>Test that pages and workers can send Structure Message to one another.</p>
   5 <p>On success, you will see a series of "PASS" messages, followed by "DONE".</p>
   6 <div id=result></div>
   7 <script>
   8 function log(message)
   9 {
  10     document.getElementById("result").innerHTML += message + "<br>";
  11 }
  12
  13 if (window.testRunner) {
  14     testRunner.dumpAsText();
  15     testRunner.waitUntilDone();
  16 }
  17
  18 var worker = new Worker("resources/worker-structure-message.js");
  19 worker.onmessage = function(evt) {
  20     log(evt.data);
  21     if (evt.data.indexOf("FAIL") == 0) {
  22         done();
  23     }
  24     worker.onmessage = function(evt) {
  25         if (evt.data.operation == 'find-edges' &&
  26             ArrayBuffer.prototype.isPrototypeOf(evt.data.input) &&
  27             evt.data.input.byteLength == 20 &&
  28             evt.data.threshold == 0.6) {
  29                 log("PASS: Receive correct structure message from Worker.");
  30         }
  31         else
  32             log("FAIL: Receive error structure message from Worker.");
  33         done();
  34     }
  35 }
  36
  37 var buf = new ArrayBuffer(20);
  38 worker.postMessage({
  39     operation: 'find-edges',
  40     input: buf,
  41     threshold: 0.6
  42 });
  43
  44 function done()
  45 {
  46     log("DONE");
  47     if (window.testRunner)
  48         testRunner.notifyDone();
  49 }
  50
  51 </script>
  52 </body>
  53 </html>