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+<!DOCTYPE html>
+<html>
+<head>
+<title>Shadow DOM Test: A_05_00_01</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/#events">
+<meta name="assert" content="Events:The mutation event types must never be dispatched in a shadow DOM subtree.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="../../../html/resources/common.js"></script>
+</head>
+<body>
+<div id="log"></div>
+<script>
+var A_05_00_01_T1 = async_test('A_05_00_01_T1');
+
+A_05_00_01_T1.step(function () {
+    var iframe = document.createElement('iframe');
+    iframe.src = '../resources/blank.html';
+    document.body.appendChild(iframe);
+
+    iframe.onload = A_05_00_01_T1.step_func(function () {
+
+    try {
+        var d = iframe.contentDocument;
+
+        var div = d.createElement('div');
+        d.body.appendChild(div);
+
+        var s = div.attachShadow({mode: 'open'});
+
+        var div2 = d.createElement('div');
+        s.appendChild(div2);
+
+        var inp = d.createElement('input');
+        inp.setAttribute('type', 'text');
+        inp.setAttribute('id', 'inpid');
+        div2.appendChild(inp);
+
+        div2.addEventListener('DOMAttrModified', A_05_00_01_T1.step_func(function (event) {
+            assert_true(false, 'The mutation event types must never be dispatched in a shadow DOM subtree');
+        }), false);
+        /*
+        var attr = inp.getAttributeNode ("value");
+        var event = d.createEvent('MutationEvent');
+        event.initMutationEvent ("DOMAttrModified", true, true, attr, null, 'new value', "value", MutationEvent.MODIFICATION);
+        inp.dispatchEvent(event);
+            */
+        inp.value = 'new value';
+        inp.setAttribute ("newAttr" , "firstValue");
+        inp.setAttribute ("newAttr" , "secondValue");
+        inp.removeAttribute ("newAttr");
+    } finally {
+        iframe.parentNode.removeChild(iframe);
+    }
+    A_05_00_01_T1.done();
+    });
+});
+</script>
+</body>
+</html>