<!DOCTYPE HTML> <html> <!-- https://bugzilla.mozilla.org/show_bug.cgi?id=716226 --> <head> <meta charset="utf-8"> <title>Test for Bug 716226</title> <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> <style id="s"> @keyframes foo { } </style> </head> <body> <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=716226">Mozilla Bug 716226</a> <p id="display"></p> <div id="content" style="display: none"> </div> <pre id="test"> <script type="application/javascript"> /** Test for Bug 716226 **/ var sheet = $("s").sheet; var rules = sheet.cssRules; is(rules.length, 1, "Should have one keyframes rule"); var keyframesRule = rules[0]; var keyframeRules = keyframesRule.cssRules; is(keyframeRules.length, 0, "Should have no keyframe rules yet"); keyframesRule.appendRule('0% { }'); is(keyframeRules.length, 1, "Should have a keyframe rule now"); var keyframeRule = keyframeRules[0]; is(keyframeRule.parentRule, keyframesRule, "Parent of keyframe should be keyframes"); is(keyframeRule.parentStyleSheet, sheet, "Parent stylesheet of keyframe should be our sheet"); is(keyframeRule.style.cssText, "", "Should have no declarations yet"); // Note: purposefully non-canonical cssText string so we can make sure we // really invoked the CSS parser and serializer. keyframeRule.style.cssText = "color:green"; is(keyframeRule.style.cssText, "color: green;", "Should have the declarations we set now"); </script> </pre> </body> </html>