<!DOCTYPE html> <html> <head> <title>CSS Test: CSSOM StyleSheet insertRule with import and omitted second argument</title> <link rel="author" title="Sendil Kumar N" href="mailto:sendilkumarn.opensource@gmail.com"> <link rel="help" href="https://drafts.csswg.org/cssom/"> <link rel="help" href="http://www.w3.org/TR/cssom-1/#the-cssrule-interface"> <meta name="flags" content="dom"> <script src="/resources/testharness.js" type="text/javascript"></script> <script src="/resources/testharnessreport.js" type="text/javascript"></script> <style id="styleElement"> @import url("support/a-green.css"); </style> </head> <body> <div id="log"></div> <script type="text/javascript"> var sheet = document.getElementById("styleElement").sheet; test(function() { assert_equals(sheet.cssRules.length, 1); assert_throws_dom("HierarchyRequestError", function() { sheet.insertRule("p { color: green; }"); }); assert_equals(sheet.cssRules.length, 1); }, "insertRule with import and omitted index argument"); test(function() { assert_equals(sheet.cssRules.length, 1); assert_throws_dom("HierarchyRequestError", function() { sheet.insertRule("p { color: yellow; }", undefined); }); assert_equals(sheet.cssRules.length, 1); assert_equals(sheet.cssRules.item(0).cssText, "@import url(\"support/a-green.css\");"); }, "insertRule with import and undefined index argument"); </script> </body> </html>