--- /dev/null	2016-06-16 13:38:05.430861000 +0530
+++ new/test/java/awt/keyboard/Bug8158478/Test8158478.java	2016-06-16 14:39:30.679659011 +0530
@@ -0,0 +1,151 @@
+/*
+ * Copyright (c) 2016, 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 8158478
+* @requires (os.family == "linux")
+* @summary To Verify X11 Keysym unicode for topt
+* @run main/manual Test8158478
+ */
+import java.awt.Button;
+import java.awt.Frame;
+import java.awt.GridBagConstraints;
+import java.awt.GridBagLayout;
+import java.awt.Panel;
+import java.awt.TextArea;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.util.concurrent.CountDownLatch;
+
+public class Test8158478 {
+
+    public static void main(String args[]) throws Exception {
+        final CountDownLatch latch = new CountDownLatch(1);
+
+        X11KeysymTest test = new X11KeysymTest(latch);
+        Thread T1 = new Thread(test);
+        T1.start();
+
+        // wait for latch to complete
+        latch.await();
+
+        if (test.testResult == false) {
+            throw new RuntimeException("User Clicked Fail! "
+                    + "Wrong Unicode Character");
+        }
+    }
+}
+
+class X11KeysymTest implements Runnable {
+
+    private static GridBagLayout layout;
+    private static Panel mainControlPanel;
+    private static Panel resultButtonPanel;
+    private static TextArea instructionTextArea;
+    private static Button passButton;
+    private static Button failButton;
+    private static Frame mainFrame;
+    private static TextArea testArea;
+    private final CountDownLatch latch;
+    public volatile boolean testResult = false;
+
+    public X11KeysymTest(CountDownLatch latch) {
+        this.latch = latch;
+    }
+
+    @Override
+    public void run() {
+        createUI();
+    }
+
+    public final void createUI() {
+
+        mainFrame = new Frame("X11 Keysym Test");
+        layout = new GridBagLayout();
+        mainControlPanel = new Panel(layout);
+        resultButtonPanel = new Panel(layout);
+
+        GridBagConstraints gbc = new GridBagConstraints();
+        String instructions
+                = "INSTRUCTIONS:"
+                + "\n Have a custom X11 keyboard layout with"
+                + " \"topt\" assigned to some key:  "
+                + "\n Map \"topt\" key to \"Caps_Lock\" by executing"
+                + " following command in Terminal:"
+                + "\n xmodmap -e \"keysym Caps_Lock = topt\"."
+                + "\n Go to TextArea below and press \"CAPSLOCK\" key"
+                + "\n If Symbol: " + "\u252c" + " is displayed then test Pass,"
+                + "\n If Symbol: " + "\u242c" + " is displayed then test Fail,"
+                + "\n Execute the below command to reset the above settigs, "
+                + "\n setxkbmap -layout us";
+
+        instructionTextArea = new TextArea();
+        instructionTextArea.setText(instructions);
+        instructionTextArea.setEnabled(true);
+
+        gbc.gridx = 0;
+        gbc.gridy = 0;
+        gbc.fill = GridBagConstraints.HORIZONTAL;
+        mainControlPanel.add(instructionTextArea, gbc);
+
+        testArea = new TextArea("TextArea");
+        gbc.gridx = 0;
+        gbc.gridy = 1;
+        mainControlPanel.add(testArea, gbc);
+        passButton = new Button("Pass");
+        passButton.setActionCommand("Pass");
+        passButton.addActionListener((ActionEvent e) -> {
+            testResult = true;
+            mainFrame.dispose();
+            latch.countDown();
+
+        });
+        failButton = new Button("Fail");
+        failButton.setActionCommand("Fail");
+        failButton.addActionListener(new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                testResult = false;
+                mainFrame.dispose();
+                latch.countDown();
+            }
+        });
+        gbc.gridx = 0;
+        gbc.gridy = 0;
+        resultButtonPanel.add(passButton, gbc);
+        gbc.gridx = 1;
+        gbc.gridy = 0;
+        resultButtonPanel.add(failButton, gbc);
+
+        gbc.gridx = 0;
+        gbc.gridy = 2;
+        mainControlPanel.add(resultButtonPanel, gbc);
+
+        mainFrame.add(mainControlPanel);
+        mainFrame.pack();
+        mainFrame.setVisible(true);
+    }
+
+}
+