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<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=1742421
-->
<head>
  <title>Test for Bug 1742421</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <script src="file_fullscreen-utils.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=1742421">Mozilla Bug 1742421</a>
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<pre id="test">
<script type="application/javascript">

/** Test for Bug 1742421 **/

function begin()
{
  addFullscreenChangeContinuation("enter", () => {
    opener.info("[resize] Entered fullscreen");
    // Do not use addFullscreenChangeContinuation for fullscreen exit given that
    // it expects the window will be restored to the original size.
    document.addEventListener("fullscreenchange", () => {
      opener.ok(!document.fullscreenElement, "[resize] Should have left full-screen due to resize");
      opener.nextTest();
    }, { once: true });
    window.resizeBy(100,100);
  });
  document.body.requestFullscreen();
}

</script>
</pre>
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