2012-03-01 15:08:38 -08:00
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<?xml version="1.0"?>
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<?xml-stylesheet type="text/css" href="chrome://global/skin"?>
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<?xml-stylesheet type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"?>
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<window title="about:memory"
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xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
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<script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"/>
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<!-- This file tests (in a rough fashion) whether the memory reporters are
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producing sensible results. test_aboutmemory.xul tests the
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presentation of memory reports in about:memory. -->
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<!-- test results are displayed in the html:body -->
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<body xmlns="http://www.w3.org/1999/xhtml"></body>
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<!-- test code goes here -->
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<script type="application/javascript">
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<![CDATA[
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// Nb: this test is all JS and so should be done with an xpcshell test,
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// but bug 671753 is preventing the memory-reporter-manager from being
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// accessed from xpcshell.
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"use strict";
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const Cc = Components.classes;
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const Ci = Components.interfaces;
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const kUnknown = -1;
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const NONHEAP = Ci.nsIMemoryReporter.KIND_NONHEAP;
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const HEAP = Ci.nsIMemoryReporter.KIND_HEAP;
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const OTHER = Ci.nsIMemoryReporter.KIND_OTHER;
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const BYTES = Ci.nsIMemoryReporter.UNITS_BYTES;
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const COUNT = Ci.nsIMemoryReporter.UNITS_COUNT;
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const COUNT_CUMULATIVE = Ci.nsIMemoryReporter.UNITS_COUNT_CUMULATIVE;
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const PERCENTAGE = Ci.nsIMemoryReporter.UNITS_PERCENTAGE;
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let explicitAmounts = [];
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let vsizeAmounts = [];
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let residentAmounts = [];
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let jsGcHeapAmounts = [];
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let heapAllocatedAmounts = [];
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let storageSqliteAmounts = [];
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let areJsCompartmentsPresent = false;
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let isSandboxLocationShown = false;
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2012-02-21 07:10:11 -08:00
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let areInnerWindowsPresent = false;
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2012-03-01 15:08:38 -08:00
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let isPlacesPresent = false;
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let isImagesPresent = false;
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let isXptiWorkingSetPresent = false;
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let isAtomTablePresent = false;
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let mySandbox = Components.utils.Sandbox(document.nodePrincipal,
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{ sandboxName: "this-is-a-sandbox-name" });
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function handleReport(aProcess, aPath, aKind, aUnits, aAmount, aDescription)
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{
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// Record the values of some notable reporters.
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if (aPath === "explicit") {
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explicitAmounts.push(aAmount);
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} else if (aPath === "vsize") {
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vsizeAmounts.push(aAmount);
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} else if (aPath === "resident") {
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residentAmounts.push(aAmount);
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} else if (aPath === "js-gc-heap") {
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jsGcHeapAmounts.push(aAmount);
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} else if (aPath === "heap-allocated") {
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heapAllocatedAmounts.push(aAmount);
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} else if (aPath === "storage-sqlite") {
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storageSqliteAmounts.push(aAmount);
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// Check the presence of some other notable reporters.
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} else if (aPath.search(/^explicit\/js\/compartment\(/) >= 0) {
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areJsCompartmentsPresent = true;
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2012-02-21 07:10:11 -08:00
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} else if (aPath.search(/^explicit\/window-objects\/.*inner-window\(/) >= 0) {
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areInnerWindowsPresent = true;
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2012-03-01 15:08:38 -08:00
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} else if (aPath.search(/^explicit\/storage\/sqlite\/places.sqlite/) >= 0) {
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isPlacesPresent = true;
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} else if (aPath.search(/^explicit\/images/) >= 0) {
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isImagesPresent = true;
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} else if (aPath.search(/^explicit\/xpti-working-set$/) >= 0) {
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isXptiWorkingSetPresent = true;
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} else if (aPath.search(/^explicit\/atom-table$/) >= 0) {
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isAtomTablePresent = true;
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} else if (aPath === "compartments\/system\/[System Principal], this-is-a-sandbox-name") {
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// A system compartment with a location (such as a sandbox) should
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// show that location.
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isSandboxLocationShown = true;
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}
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}
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let mgr = Cc["@mozilla.org/memory-reporter-manager;1"].
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getService(Ci.nsIMemoryReporterManager);
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// Access mgr.explicit and mgr.resident just to make sure they don't crash.
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// We can't check their actual values because they're non-deterministic.
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let dummy = mgr.explicit;
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dummy = mgr.resident;
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let e = mgr.enumerateReporters();
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while (e.hasMoreElements()) {
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let r = e.getNext().QueryInterface(Ci.nsIMemoryReporter);
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handleReport(r.process, r.path, r.kind, r.units, r.amount, r.description);
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}
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e = mgr.enumerateMultiReporters();
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while (e.hasMoreElements()) {
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let r = e.getNext().QueryInterface(Ci.nsIMemoryMultiReporter);
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r.collectReports(handleReport, null);
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// Access |name| and |explicitNonHeap| to make sure they don't crash or
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// assert.
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dummy = r.name;
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dummy = r.explicitNonHeap;
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}
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function checkSpecialReport(aName, aAmounts)
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{
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ok(aAmounts.length == 1, aName + " has exactly 1 report");
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let n = aAmounts[0];
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// Check the size is reasonable -- i.e. not ridiculously large or small.
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ok(n === kUnknown || (100 * 1000 <= n && n <= 10 * 1000 * 1000 * 1000),
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aName + "'s size is reasonable");
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}
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checkSpecialReport("explicit", explicitAmounts);
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checkSpecialReport("vsize", vsizeAmounts);
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checkSpecialReport("resident", residentAmounts);
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checkSpecialReport("js-gc-heap", jsGcHeapAmounts);
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checkSpecialReport("heap-allocated", heapAllocatedAmounts);
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checkSpecialReport("storage-sqlite", storageSqliteAmounts);
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ok(areJsCompartmentsPresent, "js compartments are present");
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ok(isSandboxLocationShown, "sandbox locations are present");
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2012-02-21 07:10:11 -08:00
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ok(areInnerWindowsPresent, "inner-windows are present");
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2012-03-01 15:08:38 -08:00
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ok(isPlacesPresent, "places is present");
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ok(isImagesPresent, "images is present");
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ok(isXptiWorkingSetPresent, "xpti-working-set is present");
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ok(isAtomTablePresent, "atom-table is present");
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]]>
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</script>
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</window>
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