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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
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package test.com.sun.javafx.tk.quantum;

import com.sun.javafx.tk.quantum.WindowStageShim;
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 = WindowStageShim.findBestImage(images, 16, 16);
        Assert.assertEquals(16, image.getWidth());
        image = WindowStageShim.findBestImage(images, 48, 48);
        Assert.assertEquals(48, image.getWidth());
        
        //RT-39045
        image = WindowStageShim.findBestImage(images, 32, 32);
        Assert.assertEquals(32, image.getWidth());

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