1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/browser-element/mochitest/priority/test_Visibility.html Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,52 @@
1.4 +<!DOCTYPE HTML>
1.5 +<html>
1.6 +<!--
1.7 +Test that setVisible() changes a process's priority.
1.8 +-->
1.9 +<head>
1.10 + <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
1.11 + <script type="application/javascript" src="../browserElementTestHelpers.js"></script>
1.12 + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
1.13 +</head>
1.14 +<body>
1.15 +
1.16 +<script type="application/javascript;version=1.7">
1.17 +"use strict";
1.18 +
1.19 +SimpleTest.waitForExplicitFinish();
1.20 +browserElementTestHelpers.setEnabledPref(true);
1.21 +browserElementTestHelpers.addPermission();
1.22 +browserElementTestHelpers.enableProcessPriorityManager();
1.23 +
1.24 +function runTest() {
1.25 + var iframe = document.createElement('iframe');
1.26 + iframe.setAttribute('mozbrowser', true);
1.27 + iframe.src = browserElementTestHelpers.emptyPage1;
1.28 +
1.29 + var childID = null;
1.30 + expectOnlyOneProcessCreated().then(function(chid) {
1.31 + childID = chid;
1.32 + return Promise.all(
1.33 + [expectPriorityChange(childID, 'FOREGROUND'),
1.34 + expectMozbrowserEvent(iframe, 'loadend')]);
1.35 + }).then(function() {
1.36 + // Mark the frame as not visible. This should cause its priority to drop
1.37 + // to BACKGROUND.
1.38 + var p = expectPriorityChange(childID, 'BACKGROUND');
1.39 + iframe.setVisible(false);
1.40 + return p;
1.41 + }).then(function() {
1.42 + // Mark the frame as visible again. This should cause its priority change
1.43 + // back to FOREGROUND.
1.44 + var p = expectPriorityChange(childID, 'FOREGROUND');
1.45 + iframe.setVisible(true);
1.46 + return p;
1.47 + }).then(SimpleTest.finish);
1.48 +
1.49 + document.body.appendChild(iframe);
1.50 +}
1.51 +
1.52 +addEventListener('testready', runTest);
1.53 +</script>
1.54 +</body>
1.55 +</html>
