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+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=1186774
+-->
+<head>
+ <meta charset="utf-8">
+ <title>Test for Bug 1186774</title>
+ <script src="/tests/SimpleTest/SimpleTest.js"></script>
+ <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
+ <script type="application/javascript">
+
+ /** Test for Bug 1186774 */
+
+var child;
+
+function runTest() {
+ child = window.open("file_bug1186774.html", "", "width=100,height=100");
+ child.onload = function() {
+ setTimeout(function() {
+ child.scrollTo(0, 0);
+ child.history.pushState({}, "initial");
+ child.scrollTo(0, 3000);
+ child.history.pushState({}, "scrolled");
+ child.scrollTo(0, 6000);
+ child.history.back();
+ });
+ };
+
+ child.onpopstate = function() {
+ is(Math.round(child.scrollY), 6000, "Shouldn't have scrolled before popstate");
+ child.close();
+ SimpleTest.finish();
+ };
+}
+
+SimpleTest.waitForExplicitFinish();
+addLoadEvent(runTest);
+
+ </script>
+</head>
+<body>
+<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1186774">Mozilla Bug 1186774</a>
+<p id="display"></p>
+<div id="content" style="display: none">
+
+</div>
+<pre id="test">
+</pre>
+</body>
+</html>