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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=806506
-->
<head>
  <title>Test for dynamic changes to content matching content elements</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>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=806506">Bug 806506</a>
<script>
// Create ShadowRoot.
var elem = document.createElement("div");
var root = elem.createShadowRoot();

var redInsertionPoint = document.createElement("content");
redInsertionPoint.select = "*[data-color=red]";

var blueInsertionPoint = document.createElement("content");
blueInsertionPoint.select = "*[data-color=blue]";

root.appendChild(redInsertionPoint);
root.appendChild(blueInsertionPoint);

is(blueInsertionPoint.getDistributedNodes().length, 0, "Blue insertion point should have no distributed nodes.");
is(redInsertionPoint.getDistributedNodes().length, 0, "Red insertion point should have no distrubted nodes.");

var matchElement = document.createElement("div");
matchElement.setAttribute("data-color", "red");
elem.appendChild(matchElement);

is(blueInsertionPoint.getDistributedNodes().length, 0, "Blue insertion point should have no distributed nodes.");
is(redInsertionPoint.getDistributedNodes().length, 1, "Red insertion point should match recently inserted div.");

matchElement.setAttribute("data-color", "blue");
is(blueInsertionPoint.getDistributedNodes().length, 1, "Blue insertion point should match element after changing attribute value.");
is(redInsertionPoint.getDistributedNodes().length, 0, "Red insertion point should not match element after changing attribute value.");

matchElement.removeAttribute("data-color");

is(blueInsertionPoint.getDistributedNodes().length, 0, "Blue insertion point should have no distributed nodes after removing the matching attribute.");
is(redInsertionPoint.getDistributedNodes().length, 0, "Red insertion point should have no distrubted nodes after removing the matching attribute.");

</script>
</body>
</html>