// Tags: JDK1.4
// Copyright (C) 2004 Sascha Brawer <brawer@dandelis.ch>
// 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, 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA.
package gnu.testlet.java.awt.image.DataBufferDouble;
import gnu.testlet.TestHarness;
import gnu.testlet.Testlet;
import java.awt.image.DataBuffer;
import java.awt.image.DataBufferDouble;
/**
* @author <a href="mailto:brawer@dandelis.ch">Sascha Brawer</a>
*/
public class getElem
implements Testlet
{
public void test(TestHarness h)
{
DataBuffer buf;
double[] data = new double[] { 1.1, -2.2, 3.3, -4.4 };
buf = new DataBufferDouble(new double[][] { data, data }, 2,
new int[] { 2, 0 });
h.check(buf.getElem(0), 3); // Check #1.
h.check(buf.getElem(1), -4); // Check #2.
h.check(buf.getElem(0, 0), 3); // Check #3.
h.check(buf.getElem(0, 1), -4); // Check #4.
h.check(buf.getElem(1, 0), 1); // Check #5.
h.check(buf.getElem(1, 1), -2); // Check #6.
// new tests added by David Gilbert
testGetElem1(h);
testGetElem2(h);
}
private void testGetElem1(TestHarness harness)
{
harness.checkPoint("getElem(int)");
// test where supplied array is bigger than 'size'
double[] source = new double[] {1, 2, 3};
DataBufferDouble b = new DataBufferDouble(source, 2);
harness.check(b.getElem(0) == 1);
harness.check(b.getElem(1) == 2);
harness.check(b.getElem(2) == 3);
boolean pass = false;
try
{
b.getElem(-1);
}
catch (ArrayIndexOutOfBoundsException e)
{
pass = true;
}
harness.check(pass);
pass = false;
try
{
b.getElem(3);
}
catch (ArrayIndexOutOfBoundsException e)
{
pass = true;
}
harness.check(pass);
// test where offsets are specified
source = new double[] {1, 2, 3, 4};
b = new DataBufferDouble(source, 2, 1);
harness.check(b.getElem(-1) == 1);
harness.check(b.getElem(0) == 2);
harness.check(b.getElem(1) == 3);
harness.check(b.getElem(2) == 4);
pass = false;
try
{
b.getElem(3);
}
catch (ArrayIndexOutOfBoundsException e)
{
pass = true;
}
harness.check(pass);
pass = false;
try
{
b.getElem(-2);
}
catch (ArrayIndexOutOfBoundsException e)
{
pass = true;
}
harness.check(pass);
}
private void testGetElem2(TestHarness harness) {
harness.checkPoint("getElem(int, int)");
double[][] source = new double[][] {{1, 2}, {3, 4}};
DataBufferDouble b = new DataBufferDouble(source, 2);
harness.check(b.getElem(1, 0) == 3);
harness.check(b.getElem(1, 1) == 4);
// test where supplied array is bigger than 'size'
source = new double[][] {{1, 2, 3}, {4, 5, 6}};
b = new DataBufferDouble(source, 2);
harness.check(b.getElem(1, 2) == 6);
// test where offsets are specified
source = new double[][] {{1, 2, 3, 4}, {5, 6, 7, 8}};
b = new DataBufferDouble(source, 2, new int[] {1, 2});
harness.check(b.getElem(1, -2) == 5);
harness.check(b.getElem(1, -1) == 6);
harness.check(b.getElem(1, 0) == 7);
harness.check(b.getElem(1, 1) == 8);
// does a change to the source affect the DataBuffer? Yes
source[1][2] = 99;
harness.check(source[1][2] == 99);
harness.check(b.getElem(1, 0) == 99);
// test when the bank index is out of bounds
boolean pass = true;
try
{
b.getElem(-1, 0);
}
catch (ArrayIndexOutOfBoundsException e)
{
pass = true;
}
harness.check(pass);
pass = false;
try
{
b.getElem(2, 0);
}
catch (ArrayIndexOutOfBoundsException e)
{
pass = true;
}
harness.check(pass);
// test when the item index is out of bounds
pass = true;
try
{
b.getElem(0, -2);
}
catch (ArrayIndexOutOfBoundsException e)
{
pass = true;
}
harness.check(pass);
pass = false;
try
{
b.getElem(1, 5);
}
catch (ArrayIndexOutOfBoundsException e)
{
pass = true;
}
harness.check(pass);
// the array of arrays should reflect the single dimension array
DataBufferDouble b2 = new DataBufferDouble(new double[] {1, 2, 3}, 3);
harness.check(b2.getElem(0, 1) == 2);
}
}