1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/browser-element/mochitest/priority/test_HighPriorityDowngrade.html Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,69 @@
1.4 +<!DOCTYPE HTML>
1.5 +<html>
1.6 +<!--
1.7 +Test that high-priority processes downgrade the CPU priority of regular
1.8 +processes.
1.9 +-->
1.10 +<head>
1.11 + <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
1.12 + <script type="application/javascript" src="../browserElementTestHelpers.js"></script>
1.13 + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
1.14 +</head>
1.15 +<body>
1.16 +
1.17 +<script type="application/javascript;version=1.7">
1.18 +"use strict";
1.19 +
1.20 +SimpleTest.waitForExplicitFinish();
1.21 +browserElementTestHelpers.setEnabledPref(true);
1.22 +browserElementTestHelpers.addPermission();
1.23 +browserElementTestHelpers.enableProcessPriorityManager();
1.24 +SpecialPowers.addPermission("embed-apps", true, document);
1.25 +
1.26 +var iframe = null;
1.27 +var childID = null;
1.28 +
1.29 +function runTest() {
1.30 + var iframe = document.createElement('iframe');
1.31 + iframe.setAttribute('mozbrowser', true);
1.32 +
1.33 + iframe.src = browserElementTestHelpers.emptyPage1;
1.34 +
1.35 + var highPriorityIframe = null;
1.36 + var childID = null;
1.37 +
1.38 + expectProcessCreated().then(function(chid) {
1.39 + childID = chid;
1.40 + return expectPriorityChange(childID, 'FOREGROUND', 'CPU_NORMAL');
1.41 + }).then(function() {
1.42 + // Create a new, high-priority iframe.
1.43 + highPriorityIframe = document.createElement('iframe');
1.44 + highPriorityIframe.setAttribute('mozbrowser', true);
1.45 + highPriorityIframe.setAttribute('expecting-system-message', true);
1.46 + highPriorityIframe.setAttribute('mozapptype', 'critical');
1.47 + highPriorityIframe.setAttribute('mozapp', 'http://example.org/manifest.webapp');
1.48 + highPriorityIframe.src = browserElementTestHelpers.emptyPage2;
1.49 +
1.50 + var p = expectPriorityChange(childID, 'FOREGROUND', 'CPU_LOW');
1.51 +
1.52 + document.body.appendChild(highPriorityIframe);
1.53 +
1.54 + return p;
1.55 + }).then(function() {
1.56 + return expectPriorityChange(childID, 'FOREGROUND', 'CPU_NORMAL');
1.57 + }).then(SimpleTest.finish);
1.58 +
1.59 + document.body.appendChild(iframe);
1.60 +}
1.61 +
1.62 +addEventListener('testready', function() {
1.63 + // Cause the CPU wake lock taken on behalf of the high-priority process to
1.64 + // time out after 1s.
1.65 + SpecialPowers.pushPrefEnv(
1.66 + {set: [["dom.ipc.systemMessageCPULockTimeoutSec", 1]]},
1.67 + runTest);
1.68 +});
1.69 +
1.70 +</script>
1.71 +</body>
1.72 +</html>
