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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

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Roy Tam 2018-01-19 03:59:58 +08:00
commit dcd9973243
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108
toolkit/components/aboutmemory/tests/test_memoryReporters2.xul Normal file
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<?xml version="1.0"?>
<?xml-stylesheet href="chrome://global/skin" type="text/css"?>
<?xml-stylesheet href="chrome://mochikit/content/tests/SimpleTest/test.css"
type="text/css"?>
<window title="Memory reporters with child processes"
xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
<script type="application/javascript"
src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"/>
<!-- This file tests (in a rough fashion) whether the memory reporters are
producing sensible results in the presence of child processes. -->
<!-- test results are displayed in the html:body -->
<body xmlns="http://www.w3.org/1999/xhtml">
</body>
<!-- test code goes here -->
<script type="application/javascript"><![CDATA[
const Cc = Components.classes;
const Ci = Components.interfaces;
SimpleTest.waitForExplicitFinish();
let numRemotes = 3;
let numReady = 0;
// Create some remote processes, and set up message-passing so that
// we know when each child is fully initialized.
let remotes = [];
SpecialPowers.pushPrefEnv({"set": [["dom.ipc.processCount", 3]]}, function() {
for (let i = 0; i < numRemotes; i++) {
let w = remotes[i] = window.open("remote.xul", "", "chrome");
w.addEventListener("load", function loadHandler() {
w.removeEventListener("load", loadHandler);
let remoteBrowser = w.document.getElementById("remote");
let mm = remoteBrowser.messageManager;
mm.addMessageListener("test:ready", function readyHandler() {
mm.removeMessageListener("test:ready", readyHandler);
numReady++;
if (numReady == numRemotes) {
// All the remote processes are ready. Do memory reporting.
doReports();
}
});
mm.loadFrameScript("data:," + encodeURI("sendAsyncMessage('test:ready');"), true);
});
}
});
let mgr = Cc["@mozilla.org/memory-reporter-manager;1"].
getService(Ci.nsIMemoryReporterManager);
function doReports()
{
let residents = {};
let handleReport = function(aProcess, aPath, aKind, aUnits, aAmount, aDesc) {
if (aPath === "resident") {
ok(100 * 1000 <= aAmount && aAmount <= 10 * 1000 * 1000 * 1000,
"resident is reasonable");
residents[aProcess] = aAmount;
}
}
let processReports = function() {
// First, test a failure case: calling getReports() before the previous
// getReports() has finished should silently abort. (And the arguments
// won't be used.)
mgr.getReports(
() => ok(false, "handleReport called for nested getReports() call"),
null, null, null, /* anonymize = */ false
);
// Close the remote processes.
for (let i = 0; i < numRemotes; i++) {
remotes[i].close();
}
// Check the results.
let processes = Object.keys(residents);
ok(processes.length == numRemotes + 1, "correct resident count");
let numEmptyProcesses = 0, numNonEmptyProcesses = 0;
for (let i = 0; i < processes.length; i++) {
if (processes[i] == "") {
numEmptyProcesses++;
} else {
ok(processes[i].startsWith("Browser (") || processes[i].startsWith("Web Content ("),
"correct non-empty process name prefix: " + processes[i]);
numNonEmptyProcesses++;
}
}
ok(numEmptyProcesses == 1, "correct empty process name count");
ok(numNonEmptyProcesses == numRemotes,
"correct non-empty process name count");
SimpleTest.finish();
}
mgr.getReports(handleReport, null, processReports, null,
/* anonymize = */ false);
}
]]></script>
</window>