1 /*

     2  * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    23 

    24 /*

    25  * @test

    26  * @bug 6427331

    27  * @summary Test to check there is no NullPointerException raised if

    28  * null raster is provided as destination in case of RasterOp.filter()

    29  * @run main RasterOpNullDestinationRasterTest

    30  */

    31 

    32 import java.awt.Point;

    33 import java.awt.image.ByteLookupTable;

    34 import java.awt.image.DataBuffer;

    35 import java.awt.image.DataBufferByte;

    36 import java.awt.image.LookupOp;

    37 import java.awt.image.PixelInterleavedSampleModel;

    38 import java.awt.image.Raster;

    39 import java.awt.image.RasterOp;

    40 import java.awt.image.SampleModel;

    41 

    42 public class RasterOpNullDestinationRasterTest {

    43 

    44     public static void main(String[] args) {

    45 

    46         byte[][] data = new byte[1][10];

    47         ByteLookupTable lut = new ByteLookupTable(0, data);

    48         RasterOp op = new LookupOp(lut, null);

    49 

    50         int[] bandOffsets = {0};

    51         Point location = new Point(0, 0);

    52         DataBuffer db = new DataBufferByte(10 * 10);

    53         SampleModel sm = new PixelInterleavedSampleModel(DataBuffer.TYPE_BYTE,

    54                                                          10, 10, 1, 10,

    55                                                          bandOffsets);

    56 

    57         Raster src = Raster.createRaster(sm, db, location);

    58 

    59         op.filter(src, null); // this used to result in NullPointerException

    60     }

    61 }