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https://bugzilla.mozilla.org/show_bug.cgi?id=742156
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  <title>Test for Bug 742156</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=742156">Mozilla Bug 742156</a>
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<pre id="test">
<script type="application/javascript">

/** Test for Bug 742156 **/

var nativeToString = ("" + String).replace("String", "EventTarget");
try {
    var eventTargetToString = "" + EventTarget;
    is(eventTargetToString, nativeToString,
       "Stringifying a DOM interface object should return the same string" +
       "as stringifying a native function.");
} catch (e) {
    ok(false, "Stringifying a DOM interface object shouldn't throw.");
}

try {
    eventTargetToString = Function.prototype.toString.call(EventTarget);
    is(eventTargetToString, nativeToString,
       "Stringifying a DOM interface object via Function.prototype.toString " +
       "should return the same string as stringifying a native function.");
} catch (e) {
    ok(false, "Stringifying a DOM interface object shouldn't throw.");
}

</script>
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