<!DOCTYPE HTML> <html> <!-- https://bugzilla.mozilla.org/show_bug.cgi?id=1195978 --> <head> <title>Test for Bug 1195978</title> <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> <style> body { color: red; } </style> </head> <body> <script type="application/javascript"> var domUtils = SpecialPowers.Cc["@mozilla.org/inspector/dom-utils;1"] .getService(SpecialPowers.Ci.inIDOMUtils); var sheet = document.styleSheets[1]; is(domUtils.getRelativeRuleLine(sheet.cssRules[0]), 2, "initial relative rule line"); is(domUtils.getRuleLine(sheet.cssRules[0]), 11, "initial rule line"); domUtils.parseStyleSheet(sheet, "\nbody {\n color: blue;\n}\n"); is(domUtils.getRelativeRuleLine(sheet.cssRules[0]), 2, "relative rule line after reparsing"); is(domUtils.getRuleLine(sheet.cssRules[0]), 11, "relative rule line after reparsing"); </script> </body> </html>