1 files changed, 54 insertions, 0 deletions
diff --git a/dom/media/test/test_defaultMuted.html b/dom/media/test/test_defaultMuted.html
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index 0000000000..77bfa3d29a
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+++ b/dom/media/test/test_defaultMuted.html
@@ -0,0 +1,54 @@
+<!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>