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<html>
<head>
<title>Shadow DOM Test: A_04_01_11</title>
<link rel="author" title="Sergey G. Grekhov" href="mailto:sgrekhov@unipro.ru">
<link rel="help" href="http://www.w3.org/TR/2013/WD-shadow-dom-20130514/#upper-boundary-encapsulation">
<meta name="assert" content="Upper-boundary encapsulation:The style sheets, represented by the shadow nodes are not accessible using shadow host document's CSSOM extensions">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="../../testcommon.js"></script>
<link rel="stylesheet" href="/resources/testharness.css">
</head>
<body>
<div id="log"></div>
<script>
// check that <style> element added to head is not exposed
var A_04_01_11_T1 = async_test('A_04_01_11_T01');

A_04_01_11_T1.step(function () {
    var ctx = newContext();
    var iframe = newIFrame(ctx, '../../resources/blank.html');
    iframe.onload = A_04_01_11_T1.step_func(step_unit(function () {
        var d = iframe.contentDocument;
        var initialStyleSheetsCount = d.styleSheets.length;
        var s = d.head.createShadowRoot();
        var style = d.createElement('style');
        s.appendChild(style);
        assert_equals(d.styleSheets.length, initialStyleSheetsCount, 'style elements in shadow DOM must not be exposed via ' +
            'the document.styleSheets collection ');

    }, ctx, A_04_01_11_T1));
});


// check that <link> element added to head is not exposed
test(unit(function (ctx) {

	var d = newRenderedHTMLDocument(ctx);
	var initialStyleSheetsCount = d.styleSheets.length;

	var link = d.createElement('link');
	link.setAttribute('href', 'testharness.css');
	link.setAttribute('rel', 'stylesheet');
	d.body.appendChild(link);

	//create Shadow root
	var root = d.createElement('div');
	d.body.appendChild(root);
	var s = root.createShadowRoot();

	s.appendChild(link);

	assert_equals(d.styleSheets.length, initialStyleSheetsCount, 'stylesheet link elements in shadow DOM must not be ' +
            'exposed via the document.styleSheets collection');


}), 'A_04_01_11_T2');

// TODO check selectedStyleSheetSet, lastStyleSheetSet, preferredStyleSheetSet, styleSheetSets
</script>
</body>
</html>