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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=806506
-->
<head>
<title>Test for ShadowRoot styles with multiple ShadowRoot on host.</title>
<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<div class="tall" id="bodydiv"></div>
<div id="container"></div>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=806506">Bug 806506</a>
<script>
// Create ShadowRoot.
var container = document.getElementById("container");
var elem = document.createElement("div");
container.appendChild(elem); // Put ShadowRoot host in document.
var firstRoot = elem.createShadowRoot();
var secondRoot = elem.createShadowRoot();
var thirdRoot = elem.createShadowRoot();
// A style element that will be appended into the ShadowRoot.
var firstStyle = document.createElement("style");
firstRoot.appendChild(firstStyle);
is(firstRoot.styleSheets.length, 1, "firstStyle should be the only style in firstRoot.");
is(firstRoot.styleSheets[0].ownerNode, firstStyle, "firstStyle should in the ShadowRoot styleSheets.");
var secondStyle = document.createElement("style");
secondRoot.appendChild(secondStyle);
is(secondRoot.styleSheets.length, 1, "secondStyle should be the only style in secondRoot.");
is(secondRoot.styleSheets[0].ownerNode, secondStyle, "secondStyle should in the ShadowRoot styleSheets.");
var thirdStyle = document.createElement("style");
thirdRoot.appendChild(thirdStyle);
is(thirdRoot.styleSheets.length, 1, "thirdStyle should be the only style in thirdRoot.");
is(thirdRoot.styleSheets[0].ownerNode, thirdStyle, "thirdStyle should in the ShadowRoot styleSheets.");
// Check the stylesheet counts again to make sure that none of the style sheets leaked into the older ShadowRoots.
is(firstRoot.styleSheets.length, 1, "Adding a stylesheet to a younger ShadowRoot should not affect stylesheets in the older ShadowRoot.");
is(secondRoot.styleSheets.length, 1, "Adding a stylesheet to a younger ShadowRoot should not affect stylesheets in the older ShadowRoot.");
// Remove styles and make sure they are removed from the correct ShadowRoot.
firstRoot.removeChild(firstStyle);
is(firstRoot.styleSheets.length, 0, "firstRoot should no longer have any styles.");
thirdRoot.removeChild(thirdStyle);
is(thirdRoot.styleSheets.length, 0, "thirdRoot should no longer have any styles.");
secondRoot.removeChild(secondStyle);
is(secondRoot.styleSheets.length, 0, "secondRoot should no longer have any styles.");
</script>
</body>
</html>
|
