jdk/test/java/awt/Choice/RemoveAllShrinkTest/RemoveAllShrinkTest.java

/*
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 * 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.
 *
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 */

/*
  @test
  @bug 4851798 8041896
  @summary Tests Choice List shrinks after removeAll
  @run main RemoveAllShrinkTest
*/

import java.awt.*;
import java.awt.event.*;


public class RemoveAllShrinkTest {

    public static void main(String[] args) {
        Frame f = new Frame();
        Choice choice = new Choice();

        for (int i = 0; i < 10; ++i) {
            choice.addItem("Item " + i);
        }

        f.add(choice, BorderLayout.NORTH);
        Panel panel = new Panel();
        panel.setBackground(Color.RED);
        f.add(panel);

        f.setSize(200, 200);
        f.setVisible(true);
        f.toFront();

        choice.removeAll();

        try {
            Robot robot = new Robot();
            robot.setAutoWaitForIdle(true);
            robot.setAutoDelay(50);

            robot.waitForIdle();
            Thread.sleep(200);

            Point pt = choice.getLocationOnScreen();
            robot.mouseMove(pt.x + choice.getWidth() - choice.getHeight() / 2,
                    pt.y + choice.getHeight() / 2);
            robot.mousePress(InputEvent.BUTTON1_MASK);
            robot.mouseRelease(InputEvent.BUTTON1_MASK);

            Thread.sleep(400);

            Point pt1 = panel.getLocationOnScreen();

            Color color = robot.getPixelColor(pt1.x + panel.getWidth() / 2,
                    pt1.y + panel.getHeight() / 2);

            if (!color.equals(Color.RED)) {
                throw new RuntimeException("RemoveAllShrinkTest failed. " + color);
            }
        } catch (Exception e) {
            throw new RuntimeException("The test was not completed.\n\n" + e);
        }
    }
}