--- a/src/macosx/classes/sun/lwawt/macosx/CPlatformWindow.java	Thu Oct 24 19:23:02 2013 +0400
+++ b/src/macosx/classes/sun/lwawt/macosx/CPlatformWindow.java	Thu Oct 24 19:50:33 2013 +0400
@@ -230,7 +230,14 @@
         contentView.initialize(peer, responder);
 
         final long ownerPtr = owner != null ? owner.getNSWindowPtr() : 0L;
-        Rectangle bounds = _peer.constrainBounds(_target.getBounds());
+        Rectangle bounds;
+        if (!IS(DECORATED, styleBits)) {
+            // For undecorated frames the move/resize event does not come if the frame is centered on the screen
+            // so we need to set a stub location to force an initial move/resize. Real bounds would be set later.
+            bounds = new Rectangle(0, 0, 1, 1);
+        } else {
+            bounds = _peer.constrainBounds(_target.getBounds());
+        }
         final long nativeWindowPtr = nativeCreateNSWindow(contentView.getAWTView(),
                 ownerPtr, styleBits, bounds.x, bounds.y, bounds.width, bounds.height);
         setPtr(nativeWindowPtr);

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/java/awt/Window/8027025/Test8027025.java	Thu Oct 24 19:50:33 2013 +0400
@@ -0,0 +1,69 @@
+/*
+ * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/* @test
+ * @bug 8027025
+ * @summary [macosx] getLocationOnScreen returns 0 if parent invisible
+ * @author Petr Pchelko
+ * @run main Test8027025
+ */
+
+import sun.awt.SunToolkit;
+
+import javax.swing.*;
+import java.awt.*;
+import java.util.concurrent.atomic.AtomicReference;
+
+public class Test8027025 {
+
+    private static Frame frame;
+    private static Window window;
+
+    public static void main(String[] args) throws Exception {
+        try {
+            SwingUtilities.invokeAndWait(() -> {
+                frame = new Frame("Dummy Frame");
+                window = new Window(frame);
+                window.setSize(200, 200);
+                window.setLocationRelativeTo(frame);
+                window.setVisible(true);
+            });
+
+            ((SunToolkit) Toolkit.getDefaultToolkit()).realSync();
+
+            AtomicReference<Point> point = new AtomicReference<>();
+            SwingUtilities.invokeAndWait(() -> point.set(window.getLocationOnScreen()));
+
+            if (point.get().getX() == 0 || point.get().getY() == 0) {
+                throw new RuntimeException("Test failed. The location was not set");
+            }
+        } finally {
+            if (frame != null) {
+                frame.dispose();
+            }
+            if (window != null) {
+                window.dispose();
+            }
+        }
+    }
+}