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+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=1020244
+-->
+<head>
+ <meta charset="utf-8">
+ <title>Test for Bug 1020244 - Insert content using the AnonymousContent API, several times, and don't remove it</title>
+ <script 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=1020244">Mozilla Bug 1020244</a>
+<div>
+ <div id="id" class="test">text content</div>
+</div>
+ <script type="application/javascript">
+ const INSERTED_NB = 5;
+
+ // Insert the same content several times
+ let chromeDocument = SpecialPowers.wrap(document);
+ let testElement = document.querySelector("div");
+
+ let anonymousContents = [];
+ for (let i = 0; i < INSERTED_NB; i ++) {
+ let content = chromeDocument.insertAnonymousContent(testElement);
+ // Adding an expando pointing to the document to make sure this doesn't
+ // cause leaks.
+ content.dummyExpando = testElement.ownerDocument;
+ anonymousContents.push(content);
+ }
+
+ // Make sure that modifying one of the inserted elements does not modify the
+ // other ones.
+ anonymousContents[0].setAttributeForElement("id", "class", "updated");
+ for (let i = 1; i < INSERTED_NB; i ++) {
+ is(anonymousContents[i].getAttributeForElement("id", "class"),
+ "test",
+ "Element " + i + " didn't change when element 0 was changed");
+ }
+
+ // Do not remove inserted elements on purpose to test for potential leaks too.
+ </script>
+</body>
+</html>