/* createCompatibleDestRaster.java -- some checks for the
createCompatibleDestRaster() method of the RescaleOp class.
Copyright (C) 2006 Francis Kung <fkung@redhat.com>
This file is part of Mauve.
Mauve is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
Mauve 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 for more details.
You should have received a copy of the GNU General Public License
along with Mauve; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA.
*/
// Tags: JDK1.2
package gnu.testlet.java.awt.image.RescaleOp;
import gnu.testlet.TestHarness;
import gnu.testlet.Testlet;
import java.awt.Point;
import java.awt.image.DataBuffer;
import java.awt.image.MultiPixelPackedSampleModel;
import java.awt.image.Raster;
import java.awt.image.RescaleOp;
/**
* Checks for the createCompatibleDestRaster method in the
* {@link RescaleOp} class.
*/
public class createCompatibleDestRaster implements Testlet
{
/**
* Runs the test using the specified harness.
*
* @param harness the test harness (<code>null</code> not permitted).
*/
public void test(TestHarness harness)
{
RescaleOp op = new RescaleOp(1, 1, null);
Raster raster = Raster.createWritableRaster(
new MultiPixelPackedSampleModel(DataBuffer.TYPE_BYTE, 10, 20, 8), null);
Raster dest = op.createCompatibleDestRaster(raster);
harness.check(dest.getWidth(), 10);
harness.check(dest.getHeight(), 20);
harness.check(dest.getNumBands(), 1);
harness.check(dest.getSampleModel() instanceof MultiPixelPackedSampleModel);
harness.check(dest.getTransferType(), raster.getTransferType());
harness.check(dest.getDataBuffer().getDataType(), raster.getDataBuffer().getDataType());
harness.check(dest.getNumDataElements(), raster.getNumDataElements());
// try null argument
boolean pass = false;
try
{
op.createCompatibleDestRaster(null);
}
catch (NullPointerException e)
{
pass = true;
}
harness.check(pass);
// Try a different type
raster = Raster.createBandedRaster(DataBuffer.TYPE_BYTE, 25, 40, 3, new Point(5, 5));
Raster dst = op.createCompatibleDestRaster(raster);
harness.check(dst.getNumBands(), raster.getNumBands());
harness.check(dst.getTransferType(), raster.getTransferType());
harness.check(dst.getDataBuffer().getDataType(), raster.getDataBuffer().getDataType());
harness.check(dst.getNumDataElements(), raster.getNumDataElements());
// Try a different number of bands
raster = Raster.createBandedRaster(DataBuffer.TYPE_INT, 25, 40, 5, new Point(5, 5));
dst = op.createCompatibleDestRaster(raster);
harness.check(dst.getNumBands(), raster.getNumBands());
harness.check(dst.getTransferType(), raster.getTransferType());
harness.check(dst.getDataBuffer().getDataType(), raster.getDataBuffer().getDataType());
harness.check(dst.getNumDataElements(), raster.getNumDataElements());
}
}