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+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=537046
+-->
+<head>
+ <title>Test for Bug 537046</title>
+ <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+ <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
+ <script type="text/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
+</head>
+<body>
+<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=537046">Mozilla Bug 537046</a>
+<p id="display"></p>
+<div id="content">
+ <div id="editor" contenteditable="true">
+ Some editable content
+ </div>
+ <div id="source" contenteditable="true">
+</div>
+<pre id="test">
+<script type="application/javascript">
+
+/** Test for Bug 537046 **/
+
+SimpleTest.expectAssertions(1);
+
+SimpleTest.waitForExplicitFinish();
+addLoadEvent(function() {
+ var ed = document.getElementById("editor");
+ var src = document.getElementById("source");
+ ed.addEventListener("DOMSubtreeModified", function() {
+ src.textContent = ed.innerHTML;
+ }, false);
+ src.addEventListener("DOMSubtreeModified", function() {
+ ed.innerHTML = ed.textContent;
+ }, false);
+
+ // Simulate pressing Enter twice
+ ed.focus();
+ synthesizeKey("VK_RETURN", {});
+ synthesizeKey("VK_RETURN", {});
+
+ ok(true, "Didn't crash!");
+ SimpleTest.finish();
+});
+
+</script>
+</pre>
+</body>
+</html>