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 * 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
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 *
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import java.awt.color.ColorSpace;
import java.awt.image.BufferedImage;
import java.awt.image.ColorConvertOp;

/**
 * @test
 * @bug 8312191
 * @summary Standard color spaces should be reused for CompatibleDestImage
 */
public final class CompatibleColorSpace {

    private static final int[] spaces = {
            ColorSpace.CS_CIEXYZ, ColorSpace.CS_GRAY, ColorSpace.CS_LINEAR_RGB,
            ColorSpace.CS_PYCC, ColorSpace.CS_sRGB
    };

    public static void main(String[] args) {
        for (int from : spaces) {
            for (int to : spaces) {
                test(from, to);
            }
        }
    }

    private static void test(int from, int to) {
        ColorSpace srcCS = ColorSpace.getInstance(from);
        ColorSpace dstCS = ColorSpace.getInstance(to);
        ColorConvertOp op = new ColorConvertOp(srcCS, dstCS, null);
        BufferedImage src = new BufferedImage(10, 10,
                                              BufferedImage.TYPE_INT_ARGB);
        BufferedImage dst = op.filter(src, null);
        // dst image is not set and will be created automatically, the dstCS
        // should be reused
        if (dst.getColorModel().getColorSpace() != dstCS) {
            throw new RuntimeException("Wrong color space");
        }
    }
}