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+<!DOCTYPE HTML>
+<html>
+<head>
+ <title>Media test: defaultMuted</title>
+ <script src="/tests/SimpleTest/SimpleTest.js"></script>
+ <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+ <script type="text/javascript" src="manifest.js"></script>
+ <script type="text/javascript" src="../../../dom/html/test/reflect.js"></script>
+</head>
+<body>
+ <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=706731">Mozilla Bug 706731</a>
+ <p id="display"></p>
+ <div id="content" style="display: none"></div>
+ <video id='v1'></video><audio id='a1'></audio>
+ <video id='v2' muted></video><audio id='a2' muted></audio>
+<pre id="test">
+<script class="testbody" type="text/javascript">
+ reflectBoolean({
+ element: document.createElement("video"),
+ attribute: { content: "muted", idl: "defaultMuted" },
+ });
+
+ reflectBoolean({
+ element: document.createElement("audio"),
+ attribute: { content: "muted", idl: "defaultMuted" },
+ });
+
+ var v1 = document.getElementById('v1');
+ var a1 = document.getElementById('a1');
+ var v2 = document.getElementById('v2');
+ var a2 = document.getElementById('a2');
+
+ // Check that muted state correspond to the default value.
+ is(v1.muted, false, "v1.muted should be false by default");
+ is(a1.muted, false, "a1.muted should be false by default");
+ is(v2.muted, true, "v2.muted should be true by default");
+ is(a2.muted, true, "a2.muted should be true by default");
+
+ // Changing defaultMuted value should not change current muted state.
+ v1.defaultMuted = true;
+ a1.defaultMuted = true;
+ v2.defaultMuted = false;
+ a2.defaultMuted = false;
+
+ is(v1.muted, false, "v1.muted should not have changed");
+ is(a1.muted, false, "a1.muted should not have changed");
+ is(v2.muted, true, "v2.muted should not have changed");
+ is(a2.muted, true, "a2.muted should not have changed");
+
+ mediaTestCleanup();
+</script>
+</pre>
+</body>
+</html>