/*

 * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.

 * 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 6783910

  @summary java.awt.Color.brighter()/darker() methods make color opaque

  @author Andrei Dmitriev: area=awt-color

  @run main OpacityChange

*/

import java.awt.*;

public class OpacityChange {

    private final static int INITIAL_ALPHA = 125;

    public static void main(String argv[]) {

        Color color = new Color(20, 20, 20, INITIAL_ALPHA);

        System.out.println("Initial alpha: " + color.getAlpha());

        Color colorBrighter = color.brighter();

        System.out.println("New alpha (after brighter): " + colorBrighter.getAlpha());

        Color colorDarker = color.darker();

        System.out.println("New alpha (after darker): " + colorDarker.getAlpha());

        if (INITIAL_ALPHA != colorBrighter.getAlpha()) {

            throw new RuntimeException("Brighter color alpha has changed from : " +INITIAL_ALPHA + " to " + colorBrighter.getAlpha());

        }

        if (INITIAL_ALPHA != colorDarker.getAlpha()) {

            throw new RuntimeException("Darker color alpha has changed from : " +INITIAL_ALPHA + " to " + colorDarker.getAlpha());

        }

    }

}