test_returnUnion.html

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https://bugzilla.mozilla.org/show_bug.cgi?id=1048659

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  <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>

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<pre id="test">

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