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<!DOCTYPE HTML>
<html>
<!--
Test that the preallocated process starts up.
-->
<head>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script type="application/javascript" src="../browserElementTestHelpers.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<script type="application/javascript">
"use strict";
/* eslint-env mozilla/frame-script */
SimpleTest.waitForExplicitFinish();
function expectProcessCreated() {
return new Promise(resolve => {
function parentExpectProcessCreated() {
const {Services} = ChromeUtils.import("resource://gre/modules/Services.jsm");
let topic = "ipc:content-initializing";
let obs = { observe() {
Services.obs.removeObserver(obs, topic);
sendAsyncMessage("process-created");
}};
Services.obs.addObserver(obs, topic);
}
let helper = SpecialPowers.loadChromeScript(parentExpectProcessCreated);
SimpleTest.registerCleanupFunction(function() { helper.destroy(); });
helper.addMessageListener("process-created", resolve);
});
}
expectProcessCreated().then(() => {
ok(true, "Process creation detected.");
SimpleTest.finish();
});
// Kill existing preallocated process.
SpecialPowers.pushPrefEnv({"set": [["dom.ipc.processPrelaunch.enabled", false]]}).then(() => {
// Make sure we have the capacity to launch preallocated process.
SpecialPowers.pushPrefEnv({"set": [["dom.ipc.processCount", 100]]}).then(() => {
// Enable preallocated process and run the test.
SpecialPowers.pushPrefEnv({"set": [["dom.ipc.processPrelaunch.enabled", true]]});
});
});
</script>
</body>
</html>
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