<!DOCTYPE html>
<html>
<head>
<title>CSS Test: CSSOM StyleSheet Modify Rule List</title>
<link rel="author" title="Bear Travis" href="mailto:[email protected]">
<link rel="reviewer" title="Ms2ger" href="mailto:[email protected]"> <!-- 2012-06-17 -->
<link rel="help" href="http://www.w3.org/TR/cssom-1/#the-cssstylesheet-interface">
<link rel="help" href="http://www.w3.org/TR/cssom-1/#the-cssrule-interface">
<meta name="flags" content="dom">
<meta name="assert" content="StyleSheet and CSSStyleSheet objects have the properties specified in their interfaces">
<script src="/resources/testharness.js" type="text/javascript"></script>
<script src="/resources/testharnessreport.js" type="text/javascript"></script>
<style id="styleElement" type="text/css" media="all" title="internal style sheet" disabled="disabled">
* { margin: 0; padding: 0; }
</style>
</head>
<body>
<noscript>Test not run - javascript required.</noscript>
<div id="log"></div>
<script type="text/javascript">
var sheet = document.getElementById("styleElement").sheet;
// Initial rule list is of size 1
// Can add a rule at first index
test(function() {
assert_equals(sheet.cssRules.length, 1);
sheet.insertRule("p { color: green; }", 0);
assert_equals(sheet.cssRules.length, 2);
assert_equals(sheet.cssRules.item(0).cssText, "p { color: green; }");
}, "add_rule");
// Can delete rules until rule list is empty
test(function() {
sheet.deleteRule(0);
assert_equals(sheet.cssRules.length, 1);
sheet.deleteRule(0);
assert_equals(sheet.cssRules.length, 0);
}, "delete_rule");
</script>
</body>
</html>
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