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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=552255
-->
<head>
<title>Test for bug 552255</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script src="/tests/SimpleTest/EventUtils.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=552255">Mozilla Bug 552255</a>
<p id="display"></p>
<input type="text"><br>
<iframe src="http://example.org/tests/dom/base/test/file_empty.html"></iframe>
<script>
add_task(async function cross_origin_iframe() {
  await SimpleTest.promiseFocus();

  // Setup test in iframe
  let iframe = document.querySelector("iframe");
  await SpecialPowers.spawn(iframe, [], () => {
    content.document.body.addEventListener("keydown", (e) => {
      ok(false, `should not receive any keydown event, ${e.key}`);
    });
    content.addEventListener("focus", (e) => {
      ok(false, `should not receive any focus event`);
    });
  });

  let input = document.querySelector("input");
  input.focus();

  input.addEventListener("keydown", (e) => {
    iframe.focus();
  });

  // Start test.
  synthesizeKey("a");

  await new Promise(SimpleTest.executeSoon);
  ok(document.hasFocus(), "document should still have focus");
  is(document.activeElement, input, "input should still have focus");
});
</script>
</body>
</html>