gecko/dom/tests/mochitest/webcomponents/test_dest_insertion_points_shadow.html

69 lines
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HTML

<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=999999
-->
<head>
<meta charset="utf-8">
<title>Test for Bug 999999</title>
<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.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=999999">Mozilla Bug 999999</a>
<p id="display"></p>
<div id="content">
<div id="shadowhost"></div>
</div>
<pre id="test">
</pre>
<script type="application/javascript">
/** Test for Bug 999999 **/
var host = document.getElementById("shadowhost");
// Test destination insertion points of node distributed to shadow element.
var olderShadowRoot = host.createShadowRoot();
var youngerShadowRoot = host.createShadowRoot();
var shadowElem = document.createElement("shadow");
youngerShadowRoot.appendChild(shadowElem);
var span = document.createElement("span");
olderShadowRoot.appendChild(span);
is(span.getDestinationInsertionPoints().length, 1, "Child of ShadowRoot should be distributed to shadow insertion point.");
is(span.getDestinationInsertionPoints()[0], shadowElem, "Shadow element should be in destination insertion point list.");
// Test destination insertion points of node removed from tree.
olderShadowRoot.removeChild(span);
is(span.getDestinationInsertionPoints().length, 0, "Node removed from tree should no longer be distributed.");
// Test destination insertion points of fallback content being reprojected into a shadow element.
var content = document.createElement("content");
var fallback = document.createElement("span");
content.appendChild(fallback);
olderShadowRoot.appendChild(content);
is(fallback.getDestinationInsertionPoints().length, 2, "The fallback content should have 2 destination insertion points, the parent content and the shadow element to which it is reprojected.");
is(fallback.getDestinationInsertionPoints()[0], content, "First destination of the fallback content should be the parent content element.");
is(fallback.getDestinationInsertionPoints()[1], shadowElem, "Second destination of the fallback content should be the shadow element to which the element is reprojected.");
// Test destination insertion points of fallback content being removed from tree.
content.removeChild(fallback);
is(fallback.getDestinationInsertionPoints().length, 0, "The content should no longer be distributed to any nodes because it is no longer fallback content.");
// Test destination insertion points of distributed content after removing shadow insertion point.
var div = document.createElement("div");
olderShadowRoot.appendChild(div);
is(div.getDestinationInsertionPoints().length, 1, "Children in older shadow root should be distributed to shadow insertion point.");
is(div.getDestinationInsertionPoints()[0], shadowElem, "Destination insertion point should include shadow element.");
youngerShadowRoot.removeChild(shadowElem);
is(div.getDestinationInsertionPoints().length, 0, "Destination insertion points should be empty after removing shadow element.");
</script>
</body>
</html>