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https://bugzilla.mozilla.org/show_bug.cgi?id=1464374-->
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  <meta charset="utf-8">
  <title>Test for Bug 1464374</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=1464374">Mozilla Bug 1464374</a>
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<pre id="test">
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<iframe></iframe>
<script type="application/javascript">
  /* global TestInterfaceJS */
  /** Test for Bug 1464374 **/
  SimpleTest.waitForExplicitFinish();

  function doTest() {
    var frame = frames[0];
    var obj = new frame.TestInterfaceJS();
    var ex;
    try {
      TestInterfaceJS.prototype.testThrowTypeError.call(obj);
    } catch (e) {
      ex = e;
    }
    ok(ex, "Should have an exception");
    SimpleTest.finish();
  }

  SpecialPowers.pushPrefEnv({set: [["dom.expose_test_interfaces", true]]},
                            doTest);
</script>

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</html>
