test_bug1145910.html

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<!DOCTYPE HTML>

<html>

<!--

https://bugzilla.mozilla.org/show_bug.cgi?id=1145910

-->

<head>

  <title>Test for Bug 1145910</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>

<script type="application/javascript">

/** Test for Bug 1145910 **/

function runTests() {

  var iframe = document.createElement('iframe');

  document.body.appendChild(iframe);

  iframe.contentDocument.body.innerHTML =

    '<style> div:active { color: rgb(0, 255, 0); } </style> <div id="host">Foo</div>';

  var host = iframe.contentDocument.getElementById("host");

  var shadow = host.attachShadow({mode: 'open'});

  shadow.innerHTML = '<style>div:active { color: rgb(0, 255, 0); }</style><div id="inner">Bar</div>';

  var inner = shadow.getElementById("inner");

  var iframeWin = iframe.contentWindow;

  is(iframeWin.getComputedStyle(host).color, "rgb(0, 0, 0)", "The host should not be active");

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

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

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

  is(iframeWin.getComputedStyle(host).color, "rgb(0, 255, 0)", "Host should be active when the inner div is made active.");

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

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

  is(iframeWin.getComputedStyle(host).color, "rgb(0, 0, 0)", "Host should no longer be active.");

  SimpleTest.finish();

};

SimpleTest.waitForExplicitFinish();

window.onload = () => {

  SimpleTest.waitForFocus(runTests);

};

</script>

</body>

</html>