зеркало из https://github.com/mozilla/gecko-dev.git
53 строки
1.5 KiB
HTML
53 строки
1.5 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<!--
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Test that setVisible() changes a process's priority.
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-->
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<head>
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<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<script type="application/javascript" src="../browserElementTestHelpers.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
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</head>
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<body>
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<script type="application/javascript;version=1.7">
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"use strict";
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SimpleTest.waitForExplicitFinish();
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browserElementTestHelpers.setEnabledPref(true);
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browserElementTestHelpers.addPermission();
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browserElementTestHelpers.enableProcessPriorityManager();
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function runTest() {
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var iframe = document.createElement('iframe');
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iframe.setAttribute('mozbrowser', true);
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iframe.src = browserElementTestHelpers.emptyPage1;
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var childID = null;
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Promise.all([
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expectOnlyOneProcessCreated('FOREGROUND').then(function(chid) {
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childID = chid;
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}),
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expectMozbrowserEvent(iframe, 'loadend')
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]).then(function() {
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// Mark the frame as not visible. This should cause its priority to drop
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// to BACKGROUND.
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var p = expectPriorityChange(childID, 'BACKGROUND');
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iframe.setVisible(false);
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return p;
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}).then(function() {
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// Mark the frame as visible again. This should cause its priority change
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// back to FOREGROUND.
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var p = expectPriorityChange(childID, 'FOREGROUND');
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iframe.setVisible(true);
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return p;
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}).then(SimpleTest.finish);
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document.body.appendChild(iframe);
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}
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addEventListener('testready', runTest);
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</script>
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</body>
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</html>
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