1 files changed, 41 insertions, 0 deletions
diff --git a/js/xpconnect/tests/mochitest/test_bug803730.html b/js/xpconnect/tests/mochitest/test_bug803730.html
new file mode 100644
index 0000000000..88df8d5477
--- /dev/null
+++ b/js/xpconnect/tests/mochitest/test_bug803730.html
@@ -0,0 +1,41 @@
+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=803730
+-->
+<head>
+  <meta charset="utf-8">
+  <title>Test for Bug 803730</title>
+  <script src="/tests/SimpleTest/SimpleTest.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
+</head>
+<body>
+<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=803730">Mozilla Bug 803730</a>
+<p id="display"></p>
+<div id="content" style="display: none">
+</div>
+<pre id="test">
+<script type="application/javascript">
+
+/** Test for Bug 803730 **/
+var foo = {
+  isNode: function(obj) {
+    return !!(obj instanceof Node);
+  }
+};
+
+var elem = document.createElement("span");
+var trueCount = 0,
+    falseCount = 0;
+for (var x = 0; x < 100000; x++) {
+  if (foo.isNode(elem))
+    trueCount++;
+  else
+    falseCount++;
+}
+is(falseCount, 0, "elem instanceof Node working correctly.");
+
+</script>
+</pre>
+</body>
+</html>