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<!DOCTYPE HTML>
<html>
<!--
Bug 1192335 - Test getting the byte sizes for allocations.
-->
<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 allocs = [];
function allocator() {
allocs.push(new Object());
}
await memory.startRecordingAllocations();
allocator();
allocator();
allocator();
const response = await memory.getAllocations();
await memory.stopRecordingAllocations();
ok(response.allocationSizes, "The response should have bytesizes.");
is(response.allocationSizes.length, response.allocations.length,
"There should be a bytesize for every allocation.");
ok(response.allocationSizes.length >= 3,
"There are atleast 3 allocations.");
ok(response.allocationSizes.every(isPositiveNumber),
"every bytesize is a positive number");
await memory.detach();
destroyServerAndFinish(target);
})();
};
function isPositiveNumber(n) {
return typeof n === "number" && n > 0;
}
</script>
</pre>
</body>
</html>
|
