third_party/WebKit/LayoutTests/fast/workers/worker-terminate.html

   1 <body>
   2 <p>Test Worker.terminate().</p>
   3 <div id=result></div>
   4 <script>
   5 function log(message)
   6 {
   7     document.getElementById("result").innerHTML += message + "<br>";
   8 }
   9
  10 function gc()
  11 {
  12     if (window.GCController)
  13         return GCController.collect();
  14
  15     for (var i = 0; i < 10000; i++) { // > force garbage collection (FF requires about 9K allocations before a collect)
  16         var s = new String("abc");
  17     }
  18 }
  19
  20 if (window.testRunner) {
  21     testRunner.dumpAsText();
  22     testRunner.waitUntilDone();
  23 }
  24
  25 var worker = new Worker('resources/worker-common.js');
  26 worker.terminate();
  27
  28 var worker2 = new Worker('resources/worker-common.js');
  29 worker2.terminate();
  30 worker2 = 0;
  31 gc();
  32
  33 var worker3 = new Worker('resources/worker-common.js');
  34 worker3.onmessage = function(evt) {
  35     log("FAIL");
  36 }
  37 worker3.postMessage("eval true");
  38 worker3.terminate();
  39
  40 var worker4 = new Worker('resources/worker-common.js');
  41 worker4.onmessage = function(evt) {
  42     worker4.onmessage = function() { log("FAIL"); }
  43     worker4.postMessage("eval true");
  44     worker4.terminate();
  45     log("Received message from worker4.");
  46     setTimeout("log('DONE'); if (window.testRunner) testRunner.notifyDone()", 1000);
  47 }
  48 worker4.postMessage("eval true");
  49
  50 </script>
  51 </body>
  52 </html>