File: test_memory_gc_events.html

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<!DOCTYPE HTML>
<html>
<!--
Bug 1137527 - Test receiving GC events from the memory actor.
-->
<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">
</head>
<body>
<pre id="test">
<script src="memory-helpers.js" type="application/javascript"></script>
<script>
"use strict";

window.onload = function() {
  SimpleTest.waitForExplicitFinish();

  (async function() {
    const { memory, target } = await startServerAndGetSelectedTabMemory();
    await memory.attach();

    const onGcEvent = memory.once("garbage-collection");

    memory.forceGarbageCollection();
    const gcData = await onGcEvent;
    ok(gcData, "Got GC data");

    await memory.detach();
    destroyServerAndFinish(target);
  })();
};
</script>
</pre>
</body>
</html>