GetScreenLocTest.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * 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.
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import java.awt.AWTException;
import java.awt.BorderLayout;
import java.awt.Canvas;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Frame;
import java.awt.Graphics;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.Robot;
import java.awt.Toolkit;
import java.awt.event.InputEvent;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;

/**
 * @test
 * @key headful
 * @bug 4356202
 * @summary Tests that getLocationOnScreen returns valid value(WindowMaker
 *          only).
 * @author [email protected]:
 */
public class GetScreenLocTest {
    //Declare things used in the test, like buttons and labels here
    static Robot robot = null;
    private static class MyCanvas extends Canvas {
        public Dimension getPreferredSize() {
            return new Dimension(100, 100);
        }
        public void paint(Graphics g) {
            super.paint(g);
            g.setColor(Color.blue);
            Rectangle r = getBounds();
            g.fillRect(0, 0, r.width, r.height);
        }
    }
    static int state = 0; // there are three states - (-1,-1),(0,0),(1,1)

    static void bigPause() {
        Toolkit.getDefaultToolkit().sync();
        robot.waitForIdle();
        robot.delay(1000);
    }

    static void doPress(Point p) {
        robot.mouseMove(p.x, p.y);
        robot.mousePress(InputEvent.BUTTON1_MASK);
        robot.mouseRelease(InputEvent.BUTTON1_MASK);
    }

    public static void main(final String[] args) throws AWTException {
        robot = new Robot();
        Frame bigOne = new Frame();
        bigOne.setSize(200, 200);
        bigOne.setLocationRelativeTo(null);
        bigOne.setVisible(true);
        Frame f = new Frame();
        f.setLayout(new BorderLayout());
        f.setSize(120, 150);
        f.setLocationRelativeTo(null);
        Canvas c = new MyCanvas();
        f.add(c, BorderLayout.CENTER);
        c.addMouseListener(new MouseAdapter() {
            public void mousePressed(MouseEvent e) {
                switch(state) {
                    case 0: // the first event should be (0,0)
                        if (e.getX() != 0 || e.getY() != 0) {
                            System.out.println("state 0: wrong location" + e);
                            break;
                        }
                        state++;
                        break;
                    case 1: // the second event should be (1,1)
                        if (e.getX() != 1 || e.getY() != 1) {
                            System.out.println("state 1: wrong location " + e);
                            break;
                        }
                        state++;
                        break;
                    case 2: // this should never happen
                        System.out.println("state 2: wrong location " + e);
                }
            }
        });
        f.pack();
        f.setVisible(true);
        bigPause();

        Point p = c.getLocationOnScreen();
        doPress(p);
        p.x += 1;
        p.y += 1;
        doPress(p);
        p.x -= 2;
        p.y -= 2;
        doPress(p);
        bigPause();

        f.dispose();
        bigOne.dispose();

        // ...and at the end the state should be 2
        if (state != 2) {
            throw new RuntimeException("wrong state: " + state);
        }
    }
}