// Tags: JDK1.2
// Copyright (C) 2004 David Gilbert <david.gilbert@object-refinery.com>
// 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, 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA. */
package gnu.testlet.java.awt.image.SinglePixelPackedSampleModel;
import gnu.testlet.TestHarness;
import gnu.testlet.Testlet;
import java.awt.image.DataBuffer;
import java.awt.image.DataBufferByte;
import java.awt.image.DataBufferInt;
import java.awt.image.DataBufferUShort;
import java.awt.image.SinglePixelPackedSampleModel;
/**
* Some checks for the <code>getDataElements()</code> method in the
* {@link SinglePixelPackedSampleModel} class.
*/
public class getDataElements implements Testlet
{
/**
* Runs the test using the specified harness.
*
* @param harness the test harness (<code>null</code> not permitted).
*/
public void test(TestHarness harness)
{
testByte(harness);
testUShort(harness);
testInt(harness);
}
private void testByte(TestHarness harness)
{
harness.checkPoint("(int, int, Object, DataBuffer(Byte))");
SinglePixelPackedSampleModel m1 = new SinglePixelPackedSampleModel(
DataBuffer.TYPE_BYTE, 2, 2, new int[] { 224, 28, 3 }
);
byte[] b = new byte[] { (byte) 11, (byte) 22, (byte) 33, (byte) 44 };
DataBuffer db = new DataBufferByte(b, 4);
byte[] de = (byte[]) m1.getDataElements(1, 1, null, db);
harness.check(de.length, 1); // check 1
harness.check(de[0], (byte) 44); // check 2
// check for coordinates out of bounds
try // check 3
{
m1.getDataElements(2, 2, null, db);
harness.check(false);
}
catch (ArrayIndexOutOfBoundsException e)
{
harness.check(true);
}
// check for return object of wrong dimension
try // check 4
{
m1.getDataElements(1, 1, new byte[0], db);
harness.check(false);
}
catch (ArrayIndexOutOfBoundsException e)
{
harness.check(true);
}
// check for return object of wrong type
try // check 5
{
m1.getDataElements(1, 1, new int[1], db);
harness.check(false);
}
catch (ClassCastException e)
{
harness.check(true);
}
// check for null data buffer
try // check 6
{
m1.getDataElements(0, 0, null, null);
harness.check(false);
}
catch (NullPointerException e)
{
harness.check(true);
}
}
private void testUShort(TestHarness harness)
{
harness.checkPoint("(int, int, Object, DataBuffer(UShort))");
SinglePixelPackedSampleModel m1 = new SinglePixelPackedSampleModel(
DataBuffer.TYPE_USHORT, 2, 2, new int[] { 224, 28, 3 }
);
short[] s = new short[] { (short) 11, (short) 22, (short) 33, (short) 44 };
DataBuffer db = new DataBufferUShort(s, 4);
short[] de = (short[]) m1.getDataElements(1, 1, null, db);
harness.check(de.length, 1);
harness.check(de[0], (byte) 44);
// check for coordinates out of bounds
try
{
m1.getDataElements(2, 2, null, db);
harness.check(false);
}
catch (ArrayIndexOutOfBoundsException e)
{
harness.check(true);
}
// check for return object of wrong dimension
try
{
m1.getDataElements(1, 1, new short[0], db);
harness.check(false);
}
catch (ArrayIndexOutOfBoundsException e)
{
harness.check(true);
}
// check for return object of wrong type
try
{
m1.getDataElements(1, 1, new int[1], db);
harness.check(false);
}
catch (ClassCastException e)
{
harness.check(true);
}
// check for null data buffer
try
{
m1.getDataElements(0, 0, null, null);
harness.check(false);
}
catch (NullPointerException e)
{
harness.check(true);
}
}
private void testInt(TestHarness harness)
{
harness.checkPoint("(int, int, Object, DataBuffer(Int))");
SinglePixelPackedSampleModel m1 = new SinglePixelPackedSampleModel(
DataBuffer.TYPE_INT, 2, 2, new int[] { 224, 28, 3 }
);
int[] i = new int[] { 11, 22, 33, 44 };
DataBuffer db = new DataBufferInt(i, 4);
int[] de = (int[]) m1.getDataElements(1, 1, null, db);
harness.check(de.length, 1);
harness.check(de[0], 44);
// check for coordinates out of bounds
try
{
m1.getDataElements(2, 2, null, db);
harness.check(false);
}
catch (ArrayIndexOutOfBoundsException e)
{
harness.check(true);
}
// check for return object of wrong dimension
try
{
m1.getDataElements(1, 1, new int[0], db);
harness.check(false);
}
catch (ArrayIndexOutOfBoundsException e)
{
harness.check(true);
}
// check for return object of wrong type
try
{
m1.getDataElements(1, 1, new byte[1], db);
harness.check(false);
}
catch (ClassCastException e)
{
harness.check(true);
}
// check for null data buffer
try
{
m1.getDataElements(0, 0, null, null);
harness.check(false);
}
catch (NullPointerException e)
{
harness.check(true);
}
}
}