870N/A

870N/Aimport java.awt.*;

870N/Aimport java.awt.event.*;

870N/Aimport java.lang.reflect.*;

870N/Aimport java.security.AccessController;

870N/Aimport java.security.PrivilegedAction;

870N/A

870N/A

870N/Apublic class ButtonArraysEquality {

870N/A static int [] eventDownMask = new int []{InputEvent.BUTTON1_DOWN_MASK, InputEvent.BUTTON2_DOWN_MASK, InputEvent.BUTTON3_DOWN_MASK};

870N/A

870N/A public static void main(String []s){

870N/A int [] buttonDownMasksAPI = new int [MouseInfo.getNumberOfButtons()];

870N/A for (int i = 0; i < MouseInfo.getNumberOfButtons(); i++){

870N/A buttonDownMasksAPI[i] = InputEvent.getMaskForButton(i+1);

870N/A System.out.println("TEST: "+buttonDownMasksAPI[i]);

870N/A }

870N/A

870N/A // getButtonDownMasks()

870N/A Object obj = AccessController.doPrivileged(

870N/A new PrivilegedAction() {

870N/A public Object run() {

870N/A try {

870N/A Class clazz = Class.forName("java.awt.event.InputEvent");

870N/A Method method = clazz.getDeclaredMethod("getButtonDownMasks",new Class [] {});

870N/A if (method != null) {

870N/A method.setAccessible(true);

870N/A return method.invoke(null, (Object[])null);

870N/A }

870N/A }catch (Exception e){

870N/A throw new RuntimeException("Test failed. Exception occured:", e);

870N/A }

870N/A return null;

870N/A }

870N/A });

870N/A

870N/A int [] buttonDownMasks = new int [Array.getLength(obj)];

870N/A checkNullAndPutValuesToArray(buttonDownMasks, obj);

870N/A

870N/A //check lengths: array shouldn't contain less elements then the number of buttons on a mouse

870N/A if (buttonDownMasks.length < buttonDownMasksAPI.length){

870N/A throw new RuntimeException("Test failed. The lengths array is less then the number of buttons");

870N/A }

870N/A

870N/A // verify values for first three buttons

870N/A for (int i = 0; i < 3; i++) {

870N/A if (eventDownMask[i] != buttonDownMasks[i])

870N/A {

870N/A System.out.println("Test : "+ i + " | " + " | " +eventDownMask[i] + " | "+ buttonDownMasks[i]);

870N/A throw new RuntimeException("Failure: masks are not correct for standard buttons");

870N/A }

870N/A }

870N/A

870N/A // verify values for extra buttons if any

870N/A for (int i = 3; i < MouseInfo.getNumberOfButtons(); i++) {

870N/A if (buttonDownMasksAPI[i] != buttonDownMasks[i]) {

870N/A throw new RuntimeException("Failure: masks are not the same for extra buttons");

870N/A }

870N/A }

870N/A System.out.println("Test passed.");

870N/A }

870N/A

870N/A public static void checkNullAndPutValuesToArray(int [] array, Object obj){

870N/A if (obj == null){

870N/A throw new RuntimeException("Test failed. The array obtained via reflection is "+obj);

870N/A }

870N/A

870N/A for (int i = 0; i < Array.getLength(obj); i++){

870N/A System.out.println("Test (Reflection): "+ Array.getInt(obj, i));

870N/A array[i] = Array.getInt(obj, i);

870N/A }

870N/A }

870N/A}