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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

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Roy Tam 2018-01-19 03:59:58 +08:00
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dom/tests/mochitest/webcomponents/test_fallback_dest_insertion_points.html Normal file
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<!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 content element.
var shadowRoot = host.createShadowRoot();
shadowRoot.innerHTML = '<div id="innerhost"><content id="innercontent"></content></div>';
var fallback = document.createElement("span");
var innerContent = shadowRoot.getElementById("innercontent");
innerContent.appendChild(fallback);
is(fallback.getDestinationInsertionPoints().length, 1, "Active fallback content should be distributed to insertion point.");
is(fallback.getDestinationInsertionPoints()[0], innerContent, "Insertion point should be in list of destination insertion points.");
// Test destination insertion points of reprojected fallback content.
var innerHost = shadowRoot.getElementById("innerhost");
var innerShadowRoot = innerHost.createShadowRoot();
innerShadowRoot.innerHTML = '<content id="innerinnercontent"></content>';
var innerInnerContent = innerShadowRoot.getElementById("innerinnercontent");
is(fallback.getDestinationInsertionPoints().length, 2, "Fallback content should have been distributed into parent and reprojected into another insertion point.");
is(fallback.getDestinationInsertionPoints()[1], innerInnerContent, "Destination insertion points should contain content element to which the node was reprojected.");
// Test destination insertion points of fallback content that was dropped due to content element matching a node in the host.
var span = document.createElement("span");
host.appendChild(span);
is(fallback.getDestinationInsertionPoints().length, 0, "After dropping insertion points, fallback content should not have any nodes in destination insertion points list.");
// Test destination insertion points of fallback content after reactivating by dropping matched content on host.
host.removeChild(span);
is(fallback.getDestinationInsertionPoints().length, 2, "Fallback content should have 2 destination insertion points after being reactivated.");
is(fallback.getDestinationInsertionPoints()[0], innerContent, "First destination insertion point should be the parent content");
is(fallback.getDestinationInsertionPoints()[1], innerInnerContent, "Second destination insertion point should be the content to which the node is reprojected.");
// Test destination insertion points of fallback content after removed from the tree.
innerContent.removeChild(fallback);
is(fallback.getDestinationInsertionPoints().length, 0, "Fallback content is no longer fallback content, destination insertion points should be empty.");
// Test destination insertion points of child of non-insertion point content element.
var notInsertionPointContent = document.createElement("content");
var notFallback = document.createElement("span");
notInsertionPointContent.appendChild(notFallback);
is(notFallback.getDestinationInsertionPoints().length, 0, "Child of non-insertion point content should not be distributed to any nodes.");
</script>
</body>
</html>