1 files changed, 26 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webmessaging/Channel_postMessage_DataCloneErr.htm b/testing/web-platform/tests/webmessaging/Channel_postMessage_DataCloneErr.htm
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index 000000000..9f4cd6b9b
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+++ b/testing/web-platform/tests/webmessaging/Channel_postMessage_DataCloneErr.htm
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+<!DOCTYPE html>
+<html>
+<head>
+<title> postMessage() with a host object raises DataCloneError </title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+</head>
+<body>
+<div id=log></div>
+<script>
+
+    var description = "Throw a DataCloneError when a host object (e.g. a DOM node) is used with postMessage.";
+
+    test(function()
+    {
+        var channel = new MessageChannel();
+        channel.port1.start();
+
+        assert_throws("DATA_CLONE_ERR", function()
+        {
+            channel.port1.postMessage(navigator);
+        });
+    }, description);
+</script>
+</body>
+</html>