--- /dev/null	2012-06-04 20:32:32.718000000 +0400
+++ new/test/java/awt/Frame/HideMaximized/HideMaximized.java	2012-07-06 15:19:52.000000000 +0400
@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2012, 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 7177173
+  @summary The maximized state shouldn't be reset upon hiding a frame
+  @author anthony.petrov@oracle.com: area=awt.toplevel
+  @run main HideMaximized
+*/
+
+import java.awt.*;
+
+public class HideMaximized {
+    public static void main(String[] args) {
+        if (!Toolkit.getDefaultToolkit().isFrameStateSupported(Frame.MAXIMIZED_BOTH)) {
+            // Nothing to test
+            return;
+        }
+
+        // First test a decorated frame
+        Frame frame = new Frame("test");
+        test(frame);
+
+        // Now test an undecorated frames
+        frame = new Frame("undecorated test");
+        frame.setUndecorated(true);
+        test(frame);
+    }
+
+    private static void test(Frame frame) {
+        frame.setExtendedState(Frame.MAXIMIZED_BOTH);
+        frame.setVisible(true);
+
+        try { Thread.sleep(1000); } catch (Exception ex) {}
+
+        if (frame.getExtendedState() != Frame.MAXIMIZED_BOTH) {
+            throw new RuntimeException("The maximized state has not been applied");
+        }
+
+        // This will hide the frame, and also clean things up for safe exiting
+        frame.dispose();
+
+        try { Thread.sleep(1000); } catch (Exception ex) {}
+
+        if (frame.getExtendedState() != Frame.MAXIMIZED_BOTH) {
+            throw new RuntimeException("The maximized state has been reset");
+        }
+    }
+}