src/macosx/classes/sun/lwawt/macosx/CPlatformWindow.java

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2014, 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.  Oracle designates this

@@ -783,10 +783,13 @@
         int prevWindowState = peer.getState();
         if (prevWindowState == windowState) return;
 
         final long nsWindowPtr = getNSWindowPtr();
         switch (windowState) {
+            case Frame.ICONIFIED | Frame.MAXIMIZED_BOTH:
+                // Protects against RuntimeException thrown from "default" case, despite of the fact
+                // that "java.awt.Frame.isFrameStateSupported" returns true for this bitwise mask.
             case Frame.ICONIFIED:
                 if (prevWindowState == Frame.MAXIMIZED_BOTH) {
                     // let's return into the normal states first
                     // the zoom call toggles between the normal and the max states
                     unmaximize();