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 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * 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,
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package com.sun.javafx.tk.quantum;

import com.sun.prism.Image;
import java.util.ArrayList;
import java.util.List;
import org.junit.Assert;
import org.junit.Test;

public class WindowStageTest {

    private void addImage(List<Object> images, int size) {
        byte[] pixels = new byte[size * size * 3];
        Image image = Image.fromByteRgbData(pixels, size, size);
        images.add(image);
    }

    @Test
    public void bestIconSizeTest() {
        List<Object> images = new ArrayList();
        addImage(images, 16);
        addImage(images, 32);
        addImage(images, 48);

        // sanity check
        Image image = WindowStage.findBestImage(images, 16, 16);
        Assert.assertEquals(16, image.getWidth());
        image = WindowStage.findBestImage(images, 48, 48);
        Assert.assertEquals(48, image.getWidth());

        //RT-39045
        image = WindowStage.findBestImage(images, 32, 32);
        Assert.assertEquals(32, image.getWidth());

        // scaling up 32 pixels by 4 is better than 48 by 2+2/3
        image = WindowStage.findBestImage(images, 128, 128);
        Assert.assertEquals(32, image.getWidth());
    }
}
