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<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=1530292
-->
<head>
  <meta charset="utf-8">
  <title>Test for Bug 1530292</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
  <script type="application/javascript">

  /** Test for Bug 1530292 **/
  SimpleTest.waitForExplicitFinish();
  addLoadEvent(() => {
    // This is really a crashtest, but we need some cross-origin (and hence
    // cross-compartment) windows to test it, so can't use the crashtest
    // harness.
    try {
      ({} instanceof frames[0]);
      ok(false, "Should have thrown for same-process window");
    } catch (e) {
      is(e.message, "frames[0] is not a function", "frames[0] is not a function");
    }
    try {
      ({} instanceof frames[1]);
      ok(false, "Should have thrown for maybe other-process window");
    } catch (e) {
      is(e.message, "frames[1] is not a function", "frames[1] is not a function");
    }
    SimpleTest.finish();
  });
  </script>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1530292">Mozilla Bug 1530292</a>
<p id="display"></p>
<div id="content" style="display: none">
  <!-- Cross-origin but same-site; must be same-process -->
  <iframe src="//test1.mochi.test:8888/tests/dom/tests/mochitest/bugs/file_empty.html"></iframe>
  <!-- Completely cross-origin; might be cross-process -->
  <iframe src="//example.org/tests/dom/tests/mochitest/bugs/file_empty.html"></iframe>
</div>
<pre id="test">
</pre>
</body>
</html>
