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+<!DOCTYPE HTML>
+<html>
+<!--
+Bug 1132764 - Test controlling the maximum allocations log length over the RDP.
+-->
+<head>
+ <meta charset="utf-8">
+ <title>Memory monitoring actor test</title>
+ <script type="application/javascript" 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;version=1.8"></script>
+<script>
+window.onload = function() {
+ SimpleTest.waitForExplicitFinish();
+
+ Task.spawn(function* () {
+ var { memory, client } = yield startServerAndGetSelectedTabMemory();
+ yield memory.attach();
+
+ var allocs = [];
+ var eventsFired = 0;
+ var intervalId = null;
+ function onAlloc () {
+ eventsFired++;
+ }
+ function startAllocating () {
+ intervalId = setInterval(() => {
+ for (var i = 100000; --i;) {
+ allocs.push(new Object());
+ }
+ }, 1);
+ }
+ function stopAllocating () {
+ clearInterval(intervalId);
+ }
+
+ memory.on("allocations", onAlloc);
+
+ yield memory.startRecordingAllocations({
+ drainAllocationsTimeout: 10
+ });
+
+ yield waitUntil(() => eventsFired > 5);
+ ok(eventsFired > 5, "Some allocation events fired without allocating much via auto drain");
+ yield memory.stopRecordingAllocations();
+
+ // Set a really high auto drain timer so we can test if
+ // it fires on GC
+ eventsFired = 0;
+ var startTime = performance.now();
+ var drainTimer = 1000000;
+ yield memory.startRecordingAllocations({
+ drainAllocationsTimeout: drainTimer
+ });
+
+ startAllocating();
+ yield waitUntil(() => {
+ Cu.forceGC();
+ return eventsFired > 1;
+ });
+ stopAllocating();
+ ok(performance.now() - drainTimer < startTime, "Allocation events fired on GC before timer");
+ yield memory.stopRecordingAllocations();
+
+ memory.off("allocations", onAlloc);
+ yield memory.detach();
+ destroyServerAndFinish(client);
+ });
+};
+</script>
+</pre>
+</body>
+</html>