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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /dom/browser-element/mochitest/priority/test_Visibility.html
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
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diff --git a/dom/browser-element/mochitest/priority/test_Visibility.html b/dom/browser-element/mochitest/priority/test_Visibility.html
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+<!DOCTYPE HTML>
+<html>
+<!--
+Test that setVisible() changes a process's priority.
+-->
+<head>
+ <script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
+ <script type="application/javascript" src="../browserElementTestHelpers.js"></script>
+ <link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"/>
+</head>
+<body>
+
+<script type="application/javascript;version=1.7">
+"use strict";
+
+SimpleTest.waitForExplicitFinish();
+browserElementTestHelpers.setEnabledPref(true);
+browserElementTestHelpers.enableProcessPriorityManager();
+
+function runTest() {
+ var iframe = document.createElement('iframe');
+ iframe.setAttribute('mozbrowser', true);
+ iframe.src = browserElementTestHelpers.emptyPage1;
+
+ var childID = null;
+ Promise.all([
+ expectOnlyOneProcessCreated('FOREGROUND').then(function(chid) {
+ childID = chid;
+ }),
+ expectMozbrowserEvent(iframe, 'loadend')
+ ]).then(function() {
+ // Mark the frame as not visible. This should cause its priority to drop
+ // to BACKGROUND.
+ var p = expectPriorityChange(childID, 'BACKGROUND');
+ iframe.setVisible(false);
+ return p;
+ }).then(function() {
+ // Mark the frame as visible again. This should cause its priority change
+ // back to FOREGROUND.
+ var p = expectPriorityChange(childID, 'FOREGROUND');
+ iframe.setVisible(true);
+ return p;
+ }).then(SimpleTest.finish);
+
+ document.body.appendChild(iframe);
+}
+
+addEventListener('testready', runTest);
+</script>
+</body>
+</html>