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8fe3655427
Building on my changes in bug 1828084, we: - Leverage the changes to `dom_worker_helper.js`'s waitForMultiple to moot erroneous ordering dependencies. - Modernize the tests to use add_task so thrown exceptions turn into rejections that the test framework can experience. - Avoid a potential GC race involving the creation of a SharedWorker by ensuring that we root both workers. - Avoid a potential SharedWorker creation race where the test wants to create a new SharedWorker but could potentially catch the previous SharedWorker with the same script URL by using a name for the SharedWorker. - Reduce the arbitrary choice of 15 seconds for the worker self-cancellation-on-close behavior to 100ms because there was no meaningful reason to take so long. Both now pass --verify locally for me. Differential Revision: https://phabricator.services.mozilla.com/D191823
100 lines
3.8 KiB
HTML
100 lines
3.8 KiB
HTML
<?xml version="1.0"?>
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<!--
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Any copyright is dedicated to the Public Domain.
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http://creativecommons.org/publicdomain/zero/1.0/
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-->
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<window title="Test for WorkerDebuggerManager"
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xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
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<script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"/>
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<script src="chrome://mochikit/content/tests/SimpleTest/EventUtils.js"/>
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<script type="application/javascript" src="dom_worker_helper.js"/>
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<script type="application/javascript">
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<![CDATA[
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const WORKER_URL = "WorkerDebuggerManager_worker.js";
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const CHILD_WORKER_URL = "WorkerDebuggerManager_childWorker.js";
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add_task(
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async function runTest() {
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info("Check that worker debuggers are not enumerated before they are " +
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"registered.");
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ok(!findDebugger(WORKER_URL),
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"Worker debugger should not be enumerated before it is registered.");
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ok(!findDebugger(CHILD_WORKER_URL),
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"Child worker debugger should not be enumerated before it is " +
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"registered.");
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info("Create a worker that creates a child worker, and wait for " +
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"their debuggers to be registered.");
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let promise = waitForMultiple([
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waitForRegister(WORKER_URL),
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waitForRegister(CHILD_WORKER_URL)
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]);
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let worker = new Worker(WORKER_URL);
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let [dbg, childDbg] = await promise;
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info("Check that worker debuggers are enumerated after they are " +
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"registered.");
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ok(findDebugger(WORKER_URL),
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"Worker debugger should be enumerated after it is registered.");
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ok(findDebugger(CHILD_WORKER_URL),
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"Child worker debugger should be enumerated after it is " +
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"registered.");
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info("Check that worker debuggers are not closed before they are " +
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"unregistered.");
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is(dbg.isClosed, false,
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"Worker debugger should not be closed before it is unregistered.");
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is(childDbg.isClosed, false,
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"Child worker debugger should not be closed before it is " +
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"unregistered");
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info("Terminate the worker and the child worker, and wait for their " +
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"debuggers to be unregistered.");
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promise = waitForMultiple([
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waitForUnregister(CHILD_WORKER_URL),
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waitForUnregister(WORKER_URL),
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]);
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worker.terminate();
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await promise;
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info("Check that worker debuggers are not enumerated after they are " +
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"unregistered.");
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ok(!findDebugger(WORKER_URL),
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"Worker debugger should not be enumerated after it is " +
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"unregistered.");
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ok(!findDebugger(CHILD_WORKER_URL),
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"Child worker debugger should not be enumerated after it is " +
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"unregistered.");
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info("Check that worker debuggers are closed after they are " +
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"unregistered.");
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is(dbg.isClosed, true,
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"Worker debugger should be closed after it is unregistered.");
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is(childDbg.isClosed, true,
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"Child worker debugger should be closed after it is unregistered.");
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info("Check that property accesses on worker debuggers throws " +
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"after they are closed.");
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assertThrows(() => dbg.url,
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"Property accesses on worker debugger should throw " +
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"after it is closed.");
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assertThrows(() => childDbg.url,
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"Property accesses on child worker debugger should " +
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"throw after it is closed.");
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}
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);
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]]>
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</script>
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<body xmlns="http://www.w3.org/1999/xhtml">
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<p id="display"></p>
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<div id="content" style="display:none;"></div>
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<pre id="test"></pre>
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</body>
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<label id="test-result"/>
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</window>
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