1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/browser-element/mochitest/priority/test_HighPriorityDowngrade2.html Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,77 @@
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 +This is just like test_HighPriorityDowngrade, except instead of waiting for the
1.11 +high-priority process's wake lock to expire, we kill the process by removing
1.12 +its iframe from the DOM.
1.13 +-->
1.14 +<head>
1.15 + <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
1.16 + <script type="application/javascript" src="../browserElementTestHelpers.js"></script>
1.17 + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
1.18 +</head>
1.19 +<body>
1.20 +
1.21 +<script type="application/javascript;version=1.7">
1.22 +"use strict";
1.23 +
1.24 +SimpleTest.waitForExplicitFinish();
1.25 +browserElementTestHelpers.setEnabledPref(true);
1.26 +browserElementTestHelpers.addPermission();
1.27 +browserElementTestHelpers.enableProcessPriorityManager();
1.28 +SpecialPowers.addPermission("embed-apps", true, document);
1.29 +
1.30 +function runTest() {
1.31 + var iframe = document.createElement('iframe');
1.32 + iframe.setAttribute('mozbrowser', true);
1.33 +
1.34 + iframe.src = browserElementTestHelpers.emptyPage1;
1.35 +
1.36 + var highPriorityIframe = null;
1.37 + var childID = null;
1.38 +
1.39 + expectProcessCreated().then(function(chid) {
1.40 + childID = chid;
1.41 + return expectPriorityChange(childID, 'FOREGROUND', 'CPU_NORMAL');
1.42 + }).then(function() {
1.43 + // Create a new, high-priority iframe.
1.44 + highPriorityIframe = document.createElement('iframe');
1.45 + highPriorityIframe.setAttribute('mozbrowser', true);
1.46 + highPriorityIframe.setAttribute('expecting-system-message', true);
1.47 + highPriorityIframe.setAttribute('mozapptype', 'critical');
1.48 + highPriorityIframe.setAttribute('mozapp', 'http://example.org/manifest.webapp');
1.49 + highPriorityIframe.src = browserElementTestHelpers.emptyPage2;
1.50 +
1.51 + var p = Promise.all(
1.52 + [expectPriorityChange(childID, 'FOREGROUND', 'CPU_LOW'),
1.53 + expectMozbrowserEvent(highPriorityIframe, 'loadend')]
1.54 + );
1.55 +
1.56 + document.body.appendChild(highPriorityIframe);
1.57 +
1.58 + return p;
1.59 + }).then(function() {
1.60 + // Killing the high-priority iframe should cause our CPU priority to go back
1.61 + // up to regular.
1.62 + var p = expectPriorityChange(childID, 'FOREGROUND', 'CPU_NORMAL');
1.63 + document.body.removeChild(highPriorityIframe);
1.64 + return p;
1.65 + }).then(SimpleTest.finish);
1.66 +
1.67 + document.body.appendChild(iframe);
1.68 +}
1.69 +
1.70 +addEventListener('testready', function() {
1.71 + // Cause the CPU wake lock taken on behalf of the high-priority process never
1.72 + // to time out during this test.
1.73 + SpecialPowers.pushPrefEnv(
1.74 + {set: [["dom.ipc.systemMessageCPULockTimeoutSec", 1000]]},
1.75 + runTest);
1.76 +});
1.77 +
1.78 +</script>
1.79 +</body>
1.80 +</html>
