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diff --git a/dom/tests/mochitest/bugs/test_bug739038.html b/dom/tests/mochitest/bugs/test_bug739038.html
new file mode 100644
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+++ b/dom/tests/mochitest/bugs/test_bug739038.html
@@ -0,0 +1,44 @@
+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=739038
+-->
+<head>
+  <title>Test for Bug 739038</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=739038">Mozilla Bug 739038</a>
+<p id="display"></p>
+<div id="content" style="display: none">
+
+</div>
+<pre id="test">
+<script class="testbody" type="text/javascript">
+
+/** Test for Bug 739038 **/
+
+SimpleTest.waitForExplicitFinish();
+
+SpecialPowers.pushPrefEnv({"set": [["dom.enable_window_print", false]]}, function() {
+  var ifr = document.createElement("iframe");
+  ifr.onload = function() {
+    var win = ifr.contentWindow;
+    var caughtException = false;
+    try {
+      win.print();
+    } catch (e) {
+      caughtException = true;
+    }
+    ok(caughtException, "window.print() should throw an exception");
+    is(win.print, undefined, "window.print shouldn't even exist");
+    SimpleTest.finish();
+  }
+  document.body.appendChild(ifr);
+});
+
+</script>
+</pre>
+</body>
+</html>