gecko-dev/dom/workers/test/test_WorkerDebuggerGlobalScope.enterEventLoop.xul

<?xml version="1.0"?>
<!--
  Any copyright is dedicated to the Public Domain.
  http://creativecommons.org/publicdomain/zero/1.0/
-->
<window title="Test for WorkerDebuggerGlobalScope.enterEventLoop"
        xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
        onload="test();">

  <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"/>
  <script src="chrome://mochikit/content/tests/SimpleTest/EventUtils.js"/>
  <script type="application/javascript" src="dom_worker_helper.js"/>

  <script type="application/javascript">
  <![CDATA[

    const WORKER_URL = "WorkerDebuggerGlobalScope.enterEventLoop_worker.js";
    const CHILD_WORKER_URL = "WorkerDebuggerGlobalScope.enterEventLoop_childWorker.js";
    const DEBUGGER_URL = BASE_URL + "WorkerDebuggerGlobalScope.enterEventLoop_debugger.js";

    function test() {
      (async function() {
        SimpleTest.waitForExplicitFinish();

        info("Create a worker that creates a child worker, wait for their " +
             "debuggers to be registered, and initialize them.");
        let promise = waitForMultiple([
          waitForRegister(WORKER_URL, DEBUGGER_URL),
          waitForRegister(CHILD_WORKER_URL, DEBUGGER_URL)
        ]);
        let worker = new Worker(WORKER_URL);
        let [dbg, childDbg] = await promise;

        info("Send a request to the child worker. This should cause the " +
             "child worker debugger to enter a nested event loop.");
        promise = waitForDebuggerMessage(childDbg, "paused");
        worker.postMessage("child:ping");
        await promise;

        info("Send a request to the child worker debugger. This should cause " +
             "the child worker debugger to enter a second nested event loop.");
        promise = waitForDebuggerMessage(childDbg, "paused");
        childDbg.postMessage("eval");
        await promise;

        info("Send a request to the child worker debugger. This should cause " +
             "the child worker debugger to leave its second nested event " +
             "loop. The child worker debugger should not send a response " +
             "for its previous request until after it has left the nested " +
             "event loop.");
        promise = waitForMultiple([
          waitForDebuggerMessage(childDbg, "resumed"),
          waitForDebuggerMessage(childDbg, "evalled")
        ]);
        childDbg.postMessage("resume");
        await promise;

        info("Send a request to the child worker debugger. This should cause " +
             "the child worker debugger to leave its first nested event loop." +
             "The child worker should not send a response for its earlier " +
             "request until after the child worker debugger has left the " +
             "nested event loop.");
        promise = waitForMultiple([
          waitForDebuggerMessage(childDbg, "resumed"),
          waitForWorkerMessage(worker, "child:pong")
        ]);
        childDbg.postMessage("resume");
        await promise;

        info("Send a request to the worker. This should cause the worker " +
             "debugger to enter a nested event loop.");
        promise = waitForDebuggerMessage(dbg, "paused");
        worker.postMessage("ping");
        await promise;

        info("Terminate the worker. This should not cause the worker " +
             "debugger to terminate as well.");
        worker.terminate();

        worker.onmessage = function () {
          ok(false, "Worker should have been terminated.");
        };

        info("Send a request to the worker debugger. This should cause the " +
             "worker debugger to enter a second nested event loop.");
        promise = waitForDebuggerMessage(dbg, "paused");
        dbg.postMessage("eval");
        await promise;

        info("Send a request to the worker debugger. This should cause the " +
             "worker debugger to leave its second nested event loop. The " +
             "worker debugger should not send a response for the previous " +
             "request until after leaving the nested event loop.");
        promise = waitForMultiple([
          waitForDebuggerMessage(dbg, "resumed"),
          waitForDebuggerMessage(dbg, "evalled")
        ]);
        dbg.postMessage("resume");
        await promise;

        info("Send a request to the worker debugger. This should cause the " +
             "worker debugger to leave its first nested event loop. The " +
             "worker should not send a response for its earlier request, " +
             "since it has been terminated.");
        promise = waitForMultiple([
          waitForDebuggerMessage(dbg, "resumed"),
        ]);
        dbg.postMessage("resume");
        await promise;

        SimpleTest.finish();
      })();
    }

  ]]>
  </script>

  <body xmlns="http://www.w3.org/1999/xhtml">
    <p id="display"></p>
    <div id="content" style="display:none;"></div>
    <pre id="test"></pre>
  </body>
  <label id="test-result"/>
</window>