<!DOCTYPE HTML>
<html>
<!--
Bug 1067491 - Test forcing a gc.
-->
<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();

    let beforeGC, afterGC;

    do {
      let objects = [];
      for (let i = 0; i < 1000; i++) {
        const o = {};
        o[Math.random()] = 1;
        objects.push(o);
      }
      objects = null;

      beforeGC = (await memory.measure()).total;

      await memory.forceGarbageCollection();

      afterGC = (await memory.measure()).total;
    } while (beforeGC < afterGC);

    ok(true, "The amount of memory after GC should eventually decrease");

    destroyServerAndFinish(target);
  })();
};
</script>
</pre>
</body>
</html>
