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+<!DOCTYPE HTML>
+<html xmlns="http://www.w3.org/1999/xhtml">
+<head>
+ <meta charset="utf-8" />
+ <title>Test that alwaysontop windows do not pull focus when opened.</title>
+ <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
+ <link rel="stylesheet" href="chrome://mochikit/content/tests/SimpleTest/test.css"/>
+ <script><![CDATA[
+ add_task(async function testAlwaysOnTop() {
+ let topWin = window.docShell.rootTreeItem.domWindow;
+ await SimpleTest.promiseFocus(topWin);
+ is(Services.focus.activeWindow, topWin, "Top level window is focused");
+
+ let newWin = Services.ww.openWindow(
+ null,
+ "about:blank",
+ null,
+ "chrome,alwaysontop,width=300,height=300",
+ null
+ );
+ await new Promise(resolve => {
+ newWin.addEventListener("load", resolve, { once: true });
+ });
+
+ // Wait one tick of the event loop to give the window a chance to focus.
+ await new Promise(resolve => { SimpleTest.executeSoon(resolve); });
+
+ is(Services.focus.activeWindow, topWin, "Top level window is still focused");
+ newWin.close();
+ });
+ ]]></script>
+</head>
+<body>
+<p id="display"></p>
+<div id="content" style="display: none"></div>
+<pre id="test"></pre>
+</body>
+</html>