1 files changed, 47 insertions, 0 deletions
diff --git a/dom/media/test/test_networkState.html b/dom/media/test/test_networkState.html
new file mode 100644
index 000000000..1e645a1d3
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+++ b/dom/media/test/test_networkState.html
@@ -0,0 +1,47 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+  <title>Media test: networkState</title>
+  <script type="text/javascript" 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>
+</head>
+<body onunload="mediaTestCleanup();">
+<video id='v1'></video><audio id='a1'></audio>
+<pre id="test">
+<script class="testbody" type="text/javascript">
+"use strict";
+var v1 = document.getElementById('v1');
+var a1 = document.getElementById('a1');
+var passed = "truthy";
+
+try {
+  v1.networkState = 0;
+} catch (e) {
+  passed = !passed;
+}
+try {
+  a1.networkState = 0;
+} catch (e) {
+  passed = !passed;
+}
+ok(passed === true,
+   "Setting networkState throws in strict mode (readonly attribute)");
+</script>
+
+<script class="testbody" type="text/javascript">
+var v1 = document.getElementById('v1');
+var a1 = document.getElementById('a1');
+var passed = false;
+
+var oldv1ns = v1.networkState, olda1ns = a1.networkState;
+try {
+  v1.networkState = 0;
+  a1.networkState = 0;
+  passed = v1.networkState === oldv1ns && a1.networkState === olda1ns;
+} catch (e) { }
+ok(passed, "Should not be able to modify networkState (readonly attribute)");
+</script>
+</pre>
+</body>
+</html>