third_party/WebKit/LayoutTests/fast/workers/resources/shared-worker-lifecycle.js

   1 description("This test checks whether shared workers exit when the parent document closes");
   2
   3 if (window.testRunner) {
   4     testRunner.dumpAsText();
   5     testRunner.waitUntilDone();
   6     waitUntilWorkerThreadsExit(runTests);
   7 } else {
   8     debug("NOTE: This test relies on functionality in DumpRenderTree to detect when workers have exited - test results will be incorrect when run in a browser.");
   9     runTests();
  10 }
  11
  12 function runTests()
  13 {
  14     createWorkerFrame("frame1", "worker1");
  15     createWorkerFrame("frame2", "worker1,worker2");
  16     createWorkerFrame("frame3", "worker3");
  17     createWorkerFrame("frame4", "worker1");
  18
  19     waitUntilThreadCountMatches(closeFrame1, 3);
  20 }
  21
  22 function createWorkerFrame(id, workerNames)
  23 {
  24     var iframe = document.createElement("iframe");
  25     iframe.setAttribute("id", id);
  26     iframe.setAttribute("src", "resources/create-shared-worker-frame.html?" + workerNames);
  27     document.body.appendChild(iframe);
  28 }
  29
  30 function closeFrame(id)
  31 {
  32     var frame = document.getElementById(id);
  33     frame.parentNode.removeChild(frame);
  34 }
  35
  36 function closeFrame1()
  37 {
  38     closeFrame("frame1");
  39     ensureThreadCountMatches(closeFrame2, 3);
  40 }
  41
  42 function closeFrame2()
  43 {
  44     testPassed("Frame1 closed, shared workers kept running");
  45     closeFrame("frame2");
  46     ensureThreadCountMatches(closeFrame3, 2);
  47 }
  48
  49 function closeFrame3()
  50 {
  51     testPassed("Frame2 closed, shared worker2 exited");
  52     closeFrame("frame3");
  53     ensureThreadCountMatches(closeFrame4, 1);
  54 }
  55
  56 function closeFrame4()
  57 {
  58     testPassed("Frame3 closed, shared worker3 exited");
  59     closeFrame("frame4");
  60     waitUntilWorkerThreadsExit(complete);
  61 }
  62
  63 function complete()
  64 {
  65     testPassed("Frame4 closed, all workers closed");
  66     done();
  67 }