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.
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5 * This code is free software; you can redistribute it and/or modify it
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7 * published by the Free Software Foundation.
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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 *
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20 * or visit www.oracle.com if you need additional information or have any
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22 */
23
24/*
25  @test %I% %E%
26  @key headful
27  @bug 6315717
28  @summary verifies that InputEvents button masks arrays are the same
29  @author Andrei Dmitriev : area=awt.event
30  @modules java.desktop/java.awt.event:open
31  @run main ButtonArraysEquality
32 */
33
34import java.awt.*;
35import java.awt.event.*;
36import java.lang.reflect.*;
37import java.security.AccessController;
38import java.security.PrivilegedAction;
39
40// get array InputEvent.BUTTON_MASK via reflection
41// get array InputEvent.BUTTON_DOWN_MASK via reflection
42// compare their lengths and values
43
44public class ButtonArraysEquality {
45    static int [] eventDownMask = new int []{InputEvent.BUTTON1_DOWN_MASK, InputEvent.BUTTON2_DOWN_MASK, InputEvent.BUTTON3_DOWN_MASK};
46
47    public static void main(String []s){
48        int [] buttonDownMasksAPI = new int [MouseInfo.getNumberOfButtons()];
49        for (int i = 0; i < MouseInfo.getNumberOfButtons(); i++){
50            buttonDownMasksAPI[i] = InputEvent.getMaskForButton(i+1);
51            System.out.println("TEST: "+buttonDownMasksAPI[i]);
52        }
53
54        // getButtonDownMasks()
55        Object obj = AccessController.doPrivileged(
56                                            new PrivilegedAction() {
57                                                public Object run() {
58                                                    try {
59                                                        Class clazz = Class.forName("java.awt.event.InputEvent");
60                                                        Method method  = clazz.getDeclaredMethod("getButtonDownMasks",new Class [] {});
61                                                        if (method != null) {
62                                                            method.setAccessible(true);
63                                                            return method.invoke(null, (Object[])null);
64                                                        }
65                                                    }catch (Exception e){
66                                                        throw new RuntimeException("Test failed. Exception occured:", e);
67                                                    }
68                                                    return null;
69                                                }
70                                            });
71
72        int [] buttonDownMasks = new int [Array.getLength(obj)];
73        checkNullAndPutValuesToArray(buttonDownMasks, obj);
74
75        //check lengths: array shouldn't contain less elements then the number of buttons on a mouse
76        if (buttonDownMasks.length < buttonDownMasksAPI.length){
77            throw new RuntimeException("Test failed. The lengths array is less than the number of buttons");
78        }
79
80        // verify values for first three buttons
81        for (int i = 0; i < 3; i++) {
82            if (eventDownMask[i] != buttonDownMasks[i])
83            {
84                System.out.println("Test : "+ i + " | " + " | " +eventDownMask[i] + " | "+ buttonDownMasks[i]);
85                throw new RuntimeException("Failure: masks are not correct for standard buttons");
86            }
87        }
88
89        // verify values for extra buttons if any
90        for (int i = 3; i < MouseInfo.getNumberOfButtons(); i++) {
91            if (buttonDownMasksAPI[i] != buttonDownMasks[i]) {
92                throw new RuntimeException("Failure: masks are not the same for extra buttons");
93            }
94        }
95        System.out.println("Test passed.");
96    }
97
98    public static void checkNullAndPutValuesToArray(int [] array, Object obj){
99        if (obj == null){
100            throw new RuntimeException("Test failed. The array obtained via reflection is "+obj);
101        }
102
103        for (int i = 0; i < Array.getLength(obj); i++){
104            System.out.println("Test (Reflection): "+ Array.getInt(obj, i));
105            array[i] = Array.getInt(obj, i);
106        }
107    }
108}
109