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<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>CSSOM - StyleSheetList interface</title>
<link rel="help" href="https://drafts.csswg.org/cssom/#the-stylesheetlist-interface">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>
body { width: 50%; }
</style>
<style>
#foo { width: 10%; }
#bar { height: 100px; }
</style>
<script>
test(function () {
var styleSheets = document.styleSheets;
assert_equals(styleSheets.length, 2, "StyleSheetList length attribute");
assert_equals(styleSheets[0].cssRules.length, 1, "StyleSheetList indexed getter length attribute");
assert_equals(styleSheets[1].cssRules.length, 2, "StyleSheetList indexed getter length attribute");
assert_equals(styleSheets[2], undefined, "StyleSheetList indexed getter length attribute");
assert_equals(styleSheets.item(0).cssRules.length, 1, "StyleSheetList item function length attribute");
assert_equals(styleSheets.item(1).cssRules.length, 2, "StyleSheetList item function length attribute");
assert_equals(styleSheets.item(2), null, "StyleSheetList item function length attribute");
styleSheets[0].randomProperty = 1;
var style = document.createElement("style");
document.head.appendChild(style);
assert_equals(styleSheets[0].randomProperty, 1, "[SameObject] StyleSheetList");
});
</script>
</head>
</html>
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