<!DOCTYPE HTML> <html> <!-- https://bugzilla.mozilla.org/show_bug.cgi?id=894874 --> <head> <meta charset="utf-8"> <title>Test for Bug 894874</title> <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> <!-- IMPORTANT: Keep the sheets in this order! --> <link rel="stylesheet" type="text/css" href="data:text/css,"> <link rel="stylesheet" type="text/css" title="one" href="data:text/css,"> <link rel="stylesheet" type="text/css" title="two" href="data:text/css,"> <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> <script type="application/javascript"> /** Test for Bug 894874 **/ SimpleTest.waitForExplicitFinish(); addLoadEvent(function() { is(document.styleSheets[0].disabled, false, "Sheet with no title should be enabled"); is(document.styleSheets[1].disabled, false, "First preferred sheet should be enabled"); is(document.styleSheets[2].disabled, true, "Second preferred sheet should be disabled"); is(document.selectedStyleSheetSet, "one", "Sheet one is enabled"); document.styleSheets[0].disabled = true; document.styleSheets[2].disabled = false; ok(document.selectedStyleSheetSet === null, "Sheet one and sheet two are both enabled"); SimpleTest.finish(); }); </script> </head> <body> <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=894874">Mozilla Bug 894874</a> <p id="display"></p> <div id="content" style="display: none"> </div> <pre id="test"> </pre> </body> </html>