test_bug573255.html (857B)
1 <!DOCTYPE HTML> 2 <html> 3 <!-- 4 https://bugzilla.mozilla.org/show_bug.cgi?id=573255 5 --> 6 <head> 7 <title>Test for Bug 573255</title> 8 <script src="/tests/SimpleTest/SimpleTest.js"></script> 9 <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> 10 <style type="text/css"> 11 12 #display:not(.hasSummary) { visibility: hidden } 13 14 </style> 15 </head> 16 <body> 17 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=573255">Mozilla Bug 573255</a> 18 <p id="display"></p> 19 <pre id="test"> 20 <script type="application/javascript"> 21 22 var p = document.getElementById("display"); 23 var cs = getComputedStyle(p, ""); 24 25 is(cs.visibility, "hidden", "should be visibility:none since it has no class"); 26 p.className = "hasSummary"; 27 is(cs.visibility, "visible", "changing class attribute should remove visibility:hidden"); 28 29 </script> 30 </pre> 31 </body> 32 </html>