dom/workers/test/test_WorkerDebuggerGlobalScope.enterEventLoop.xhtml

   1 <?xml version="1.0"?>
   2 <!--
   3   Any copyright is dedicated to the Public Domain.
   4   http://creativecommons.org/publicdomain/zero/1.0/
   5 -->
   6 <window title="Test for WorkerDebuggerGlobalScope.enterEventLoop"
   7         xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
   8         onload="test();">
   9
  10   <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"/>
  11   <script src="chrome://mochikit/content/tests/SimpleTest/EventUtils.js"/>
  12   <script type="application/javascript" src="dom_worker_helper.js"/>
  13
  14   <script type="application/javascript">
  15   <![CDATA[
  16
  17     const WORKER_URL = "WorkerDebuggerGlobalScope.enterEventLoop_worker.js";
  18     const CHILD_WORKER_URL = "WorkerDebuggerGlobalScope.enterEventLoop_childWorker.js";
  19     const DEBUGGER_URL = BASE_URL + "WorkerDebuggerGlobalScope.enterEventLoop_debugger.js";
  20
  21     function test() {
  22       (async function() {
  23         SimpleTest.waitForExplicitFinish();
  24
  25         info("Create a worker that creates a child worker, wait for their " +
  26              "debuggers to be registered, and initialize them.");
  27         let promise = waitForMultiple([
  28           waitForRegister(WORKER_URL, DEBUGGER_URL),
  29           waitForRegister(CHILD_WORKER_URL, DEBUGGER_URL)
  30         ]);
  31         let worker = new Worker(WORKER_URL);
  32         let [dbg, childDbg] = await promise;
  33
  34         info("Send a request to the child worker. This should cause the " +
  35              "child worker debugger to enter a nested event loop.");
  36         promise = waitForDebuggerMessage(childDbg, "paused");
  37         worker.postMessage("child:ping");
  38         await promise;
  39
  40         info("Send a request to the child worker debugger. This should cause " +
  41              "the child worker debugger to enter a second nested event loop.");
  42         promise = waitForDebuggerMessage(childDbg, "paused");
  43         childDbg.postMessage("eval");
  44         await promise;
  45
  46         info("Send a request to the child worker debugger. This should cause " +
  47              "the child worker debugger to leave its second nested event " +
  48              "loop. The child worker debugger should not send a response " +
  49              "for its previous request until after it has left the nested " +
  50              "event loop.");
  51         promise = waitForMultiple([
  52           waitForDebuggerMessage(childDbg, "resumed"),
  53           waitForDebuggerMessage(childDbg, "evalled")
  54         ]);
  55         childDbg.postMessage("resume");
  56         await promise;
  57
  58         info("Send a request to the child worker debugger. This should cause " +
  59              "the child worker debugger to leave its first nested event loop." +
  60              "The child worker should not send a response for its earlier " +
  61              "request until after the child worker debugger has left the " +
  62              "nested event loop.");
  63         promise = waitForMultiple([
  64           waitForDebuggerMessage(childDbg, "resumed"),
  65           waitForWorkerMessage(worker, "child:pong")
  66         ]);
  67         childDbg.postMessage("resume");
  68         await promise;
  69
  70         info("Send a request to the worker. This should cause the worker " +
  71              "debugger to enter a nested event loop.");
  72         promise = waitForDebuggerMessage(dbg, "paused");
  73         worker.postMessage("ping");
  74         await promise;
  75
  76         info("Terminate the worker. This should not cause the worker " +
  77              "debugger to terminate as well.");
  78         worker.terminate();
  79
  80         worker.onmessage = function () {
  81           ok(false, "Worker should have been terminated.");
  82         };
  83
  84         info("Send a request to the worker debugger. This should cause the " +
  85              "worker debugger to enter a second nested event loop.");
  86         promise = waitForDebuggerMessage(dbg, "paused");
  87         dbg.postMessage("eval");
  88         await promise;
  89
  90         info("Send a request to the worker debugger. This should cause the " +
  91              "worker debugger to leave its second nested event loop. The " +
  92              "worker debugger should not send a response for the previous " +
  93              "request until after leaving the nested event loop.");
  94         promise = waitForMultiple([
  95           waitForDebuggerMessage(dbg, "resumed"),
  96           waitForDebuggerMessage(dbg, "evalled")
  97         ]);
  98         dbg.postMessage("resume");
  99         await promise;
 100
 101         info("Send a request to the worker debugger. This should cause the " +
 102              "worker debugger to leave its first nested event loop. The " +
 103              "worker should not send a response for its earlier request, " +
 104              "since it has been terminated.");
 105         promise = waitForMultiple([
 106           waitForDebuggerMessage(dbg, "resumed"),
 107         ]);
 108         dbg.postMessage("resume");
 109         await promise;
 110
 111         SimpleTest.finish();
 112       })();
 113     }
 114
 115   ]]>
 116   </script>
 117
 118   <body xmlns="http://www.w3.org/1999/xhtml">
 119     <p id="display"></p>
 120     <div id="content" style="display:none;"></div>
 121     <pre id="test"></pre>
 122   </body>
 123   <label id="test-result"/>
 124 </window>