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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=1150308
-->
<head>
  <title>Test for Bug 1150308</title>
  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <script type="application/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<script type="application/javascript">

/** Test for Bug 1150308 **/

function runTests() {
  var iframe = document.createElement('iframe');
  document.body.appendChild(iframe);
  iframe.contentDocument.body.innerHTML =
    '<div id="host"><span id="distributeme">Foo</span></div>';

  var host = iframe.contentDocument.getElementById("host");
  var shadow = host.attachShadow({mode: 'open'});
  shadow.innerHTML = '<style>.bar:active { color: rgb(0, 255, 0); }</style><div class="bar" id="inner"><slot></slot></div>';
  var inner = shadow.getElementById("inner");
  var distributed = iframe.contentDocument.getElementById("distributeme");
  var iframeWin = iframe.contentWindow;

  is(iframeWin.getComputedStyle(inner).color, "rgb(0, 0, 0)", "The div inside the shadow root should not be active.");

  synthesizeMouseAtCenter(distributed, { type: "mousedown" }, iframeWin);

  is(iframeWin.getComputedStyle(inner).color, "rgb(0, 255, 0)", "Div inside shadow root should be active.");

  synthesizeMouseAtCenter(distributed, { type: "mouseup" }, iframeWin);

  is(iframeWin.getComputedStyle(inner).color, "rgb(0, 0, 0)", "Div inside shadow root should no longer be active.");

  SimpleTest.finish();
};

SimpleTest.waitForExplicitFinish();
SimpleTest.waitForFocus(() => {
  SpecialPowers.pushPrefEnv({
    set: [
      ["dom.webcomponents.shadowdom.enabled", true]
    ]
  }, runTests);
});
</script>
</body>
</html>