1 /*
   2  * Copyright (c) 2008, 2016, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /*
  25   @test %I% %E%
  26   @key headful
  27   @bug 6315717
  28   @summary verifies that InputEvent.getMaskForButton() returns the same values as in InputEvent.BUTTON_DOWN_MASK
  29   @author Andrei Dmitriev : area=awt.event
  30   @run main CheckGetMaskForButton
  31 */
  32 
  33 import java.awt.*;
  34 import java.awt.event.InputEvent;
  35 import java.lang.reflect.*;
  36 import java.security.AccessController;
  37 import java.security.PrivilegedAction;
  38 
  39 public class CheckGetMaskForButton{
  40     static Robot robot;
  41 
  42     public static void main(String []s){
  43         System.out.println("Number Of Buttons = "+ MouseInfo.getNumberOfButtons());
  44         CheckGetMaskForButton f = new CheckGetMaskForButton();
  45         int [] buttonMasksViaAPI = new int[MouseInfo.getNumberOfButtons()];
  46         for (int i = 0; i < MouseInfo.getNumberOfButtons(); i++){
  47             buttonMasksViaAPI[i] = InputEvent.getMaskForButton(i+1);
  48             System.out.println("Test (API): "+ buttonMasksViaAPI[i]);
  49         }
  50 
  51         //get same array via reflection
  52         Object obj = AccessController.doPrivileged(
  53                 new PrivilegedAction() {
  54             public Object run() {
  55                 try {
  56                     Class clazz = Class.forName("java.awt.event.InputEvent");
  57                     Method method  = clazz.getDeclaredMethod("getButtonDownMasks",new Class [] {});
  58                     if (method != null) {
  59                         method.setAccessible(true);
  60                         return method.invoke(null, (Object[])null);
  61                     }
  62                 }catch (Exception e){
  63                     throw new RuntimeException("Test failed. Exception occured:", e);
  64                 }
  65                 return null;
  66             }
  67         });
  68 
  69         if (obj == null){
  70             throw new RuntimeException("Test failed. The value obtained via reflection is "+obj);
  71         }
  72 
  73         int [] buttonDownMasksViaReflection = new int [Array.getLength(obj)];
  74         //check that length of API array greater or equals then Reflect array.
  75         if (Array.getLength(obj) < buttonMasksViaAPI.length){
  76             throw new RuntimeException("Test failed. The length of API array greater or equals then the length of  Reflect array.");
  77         }
  78 
  79         //Check that the values obtained via reflection from InputEvent.BUTTON_DOWN_MASK are the
  80         // same as for standard API.
  81         for (int i = 0; i < MouseInfo.getNumberOfButtons(); i++){
  82             System.out.println("Test (Reflection): "+ Array.getInt(obj, i));
  83             if (buttonMasksViaAPI[i] != Array.getInt(obj, i)){
  84                 throw new RuntimeException("Test failed. Values of InputEvent array are different for API and Reflection invocations");
  85             }
  86         }
  87         System.out.println("Test passed.");
  88     }
  89 }