test_memory_gc_events.html

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<!--

Bug 1137527 - Test receiving GC events from the memory actor.

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<head>

  <meta charset="utf-8">

  <title>Memory monitoring actor test</title>

  <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>

  <link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css">

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<pre id="test">

<script src="memory-helpers.js" type="application/javascript"></script>

<script>

"use strict";

window.onload = function() {

  SimpleTest.waitForExplicitFinish();

  const EventEmitter = require("devtools/shared/event-emitter");

  (async function() {

    const { memory, target } = await startServerAndGetSelectedTabMemory();

    await memory.attach();

    const gotGcEvent = new Promise(resolve => {

      EventEmitter.on(memory, "garbage-collection", gcData => {

        ok(gcData, "Got GC data");

        resolve();

});

});

    memory.forceGarbageCollection();

    await gotGcEvent;

    await memory.detach();

    destroyServerAndFinish(target);

  })();

};

</script>

</pre>

</body>

</html>