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<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=1048659
-->
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  <meta charset="utf-8">
  <title>Test for Bug 1048659</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
  <script type="application/javascript">
  /* global TestInterfaceJS */
  /** Test for returning unions from JS-implemented WebIDL. **/
  SimpleTest.waitForExplicitFinish();
  SpecialPowers.pushPrefEnv({set: [["dom.expose_test_interfaces", true]]}, go);

  function go() {
    var t = new TestInterfaceJS();
    var t2 = new TestInterfaceJS();

    is(t.pingPongUnion(t2), t2, "ping pong union for left case should be identity");
    is(t.pingPongUnion(12), 12, "ping pong union for right case should be identity");

    is(t.pingPongUnionContainingNull("this is not a string"), "this is not a string",
      "ping pong union containing union for left case should be identity");
    is(t.pingPongUnionContainingNull(null), null,
      "ping pong union containing null for right case null should be identity");
    is(t.pingPongUnionContainingNull(t2), t2,
      "ping pong union containing null for right case should be identity");

    is(t.pingPongNullableUnion(t2), t2, "ping pong nullable union for left case should be identity");
    is(t.pingPongNullableUnion(12), 12, "ping pong nullable union for right case should be identity");
    is(t.pingPongNullableUnion(null), null, "ping pong nullable union for null case should be identity");

    var rejectedBadUnion = false;
    var result = null;
    try {
      result = t.returnBadUnion();
    } catch (e) {
      rejectedBadUnion = true;
    }
    is(result, null, "bad union should not set a value for result");
    ok(rejectedBadUnion, "bad union should throw an exception");

    SimpleTest.finish();
  }

  </script>
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<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1048659">Mozilla Bug 1048659</a>
<p id="display"></p>
<div id="content" style="display: none">

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<pre id="test">
</pre>
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