// 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.ByteLookupTable;
import gnu.testlet.TestHarness;
import gnu.testlet.Testlet;
import java.awt.image.ByteLookupTable;
/**
* Some checks for the lookupPixel() methods in the {@link ByteLookupTable} class.
*/
public class lookupPixel implements Testlet
{
/**
* Runs the test using the specified harness.
*
* @param harness the test harness (<code>null</code> not permitted).
*/
public void test(TestHarness harness)
{
testInt(harness);
testByte(harness);
testFailure(harness);
}
private void testInt(TestHarness harness)
{
harness.checkPoint("(int[], int[])");
byte[] data = {105, 104, 103, 102, 101, 100};
ByteLookupTable t = new ByteLookupTable(100, data);
// check 1-band source with 1-band lookup table
int[] src = new int[] {100};
int[] dst = t.lookupPixel(src, null);
harness.check(dst[0], 105);
src = new int[] {101};
dst = new int[] {0};
dst = t.lookupPixel(src, dst);
harness.check(dst[0], 104);
// check 3-band source with 1-band lookup table
src = new int[] {100, 101, 102};
try {
dst = t.lookupPixel(src, null);
harness.check(dst[0], 105);
harness.check(dst[1], 104);
harness.check(dst[2], 103);
}
catch (Exception e) { // don't allow a failure to
harness.check(false); // disrupt remaining checks
harness.debug(e);
}
src = new int[] {102, 103, 104};
dst = new int[] {0, 0, 0};
try {
dst = t.lookupPixel(src, dst);
harness.check(dst[0], 103);
harness.check(dst[1], 102);
harness.check(dst[2], 101);
}
catch (Exception e) { // don't allow a failure to
harness.check(false); // disrupt remaining checks
harness.debug(e);
}
// check 3-band source with 3-band lookup table
byte[][] data2 = {
{105, 104, 103, 102, 101, 100},
{115, 114, 113, 112, 111, 110},
{125, 124, 123, 122, 121, 120}
};
ByteLookupTable t2 = new ByteLookupTable(100, data2);
int[] src2 = {100, 101, 102};
dst = t2.lookupPixel(src2, null);
harness.check(dst[0], 105);
harness.check(dst[1], 114);
harness.check(dst[2], 123);
src2 = new int[] {103, 104, 105};
dst = new int[] {0, 0, 0};
dst = t2.lookupPixel(src2, dst);
harness.check(dst[0], 102);
harness.check(dst[1], 111);
harness.check(dst[2], 120);
// check 1-band source with 2-band lookup table
byte[][] data3 = {
{105, 104, 103, 102, 101, 100},
{115, 114, 113, 112, 111, 110},
};
ByteLookupTable t3 = new ByteLookupTable(100, data3);
src = new int[] {100};
dst = t3.lookupPixel(src, null);
harness.check(dst[0], 105);
src = new int[] {101};
dst = new int[] {0};
dst = t3.lookupPixel(src, dst);
harness.check(dst[0], 104);
// check 3-band source with 2-band lookup table
try {
dst = t3.lookupPixel(src2, null);
harness.check(false);
}
catch (ArrayIndexOutOfBoundsException e) {
harness.check(true);
}
dst = new int[3];
try {
dst = t3.lookupPixel(src2, dst);
harness.check(false);
}
catch (ArrayIndexOutOfBoundsException e) {
harness.check(true);
}
}
private void testByte(TestHarness harness)
{
harness.checkPoint("(byte[], byte[])");
byte[] data = {105, 104, 103, 102, 101, 100};
ByteLookupTable t = new ByteLookupTable(100, data);
// check 1-band source with 1-band lookup table
byte[] src = new byte[] {100};
byte[] dst = t.lookupPixel(src, null);
harness.check(dst[0], 105);
src = new byte[] {101};
dst = new byte[] {0};
dst = t.lookupPixel(src, dst);
harness.check(dst[0], 104);
// check 3-band source with 1-band lookup table
src = new byte[] {100, 101, 102};
try {
dst = t.lookupPixel(src, null);
harness.check(dst[0], 105);
harness.check(dst[1], 104);
harness.check(dst[2], 103);
}
catch (Exception e) { // don't allow a failure to
harness.check(false); // disrupt remaining checks
harness.debug(e);
}
src = new byte[] {102, 103, 104};
dst = new byte[] {0, 0, 0};
try {
dst = t.lookupPixel(src, dst);
harness.check(dst[0], 103);
harness.check(dst[1], 102);
harness.check(dst[2], 101);
}
catch (Exception e) { // don't allow a failure to
harness.check(false); // disrupt remaining checks
harness.debug(e);
}
// check 3-band source with 3-band lookup table
byte[][] data2 = {
{105, 104, 103, 102, 101, 100},
{115, 114, 113, 112, 111, 110},
{125, 124, 123, 122, 121, 120}
};
ByteLookupTable t2 = new ByteLookupTable(100, data2);
byte[] src2 = {100, 101, 102};
dst = t2.lookupPixel(src2, null);
harness.check(dst[0], 105);
harness.check(dst[1], 114);
harness.check(dst[2], 123);
src2 = new byte[] {103, 104, 105};
dst = new byte[] {0, 0, 0};
dst = t2.lookupPixel(src2, dst);
harness.check(dst[0], 102);
harness.check(dst[1], 111);
harness.check(dst[2], 120);
// check 1-band source with 2-band lookup table
byte[][] data3 = {
{105, 104, 103, 102, 101, 100},
{115, 114, 113, 112, 111, 110},
};
ByteLookupTable t3 = new ByteLookupTable(100, data3);
src = new byte[] {100};
dst = t3.lookupPixel(src, null);
harness.check(dst[0], 105);
src = new byte[] {101};
dst = new byte[1];
dst = t3.lookupPixel(src, dst);
harness.check(dst[0], 104);
// check 3 band source, 2 band lookup table
try {
dst = t3.lookupPixel(src2, null);
harness.check(false);
}
catch (ArrayIndexOutOfBoundsException e) {
harness.check(true);
}
dst = new byte[3];
try {
dst = t3.lookupPixel(src2, dst);
harness.check(false);
}
catch (ArrayIndexOutOfBoundsException e) {
harness.check(true);
}
}
// Test failures, ie, if the requested pixel is not in the table.
// It should throw array index out of bounds exceptions.
private void testFailure(TestHarness harness)
{
harness.checkPoint("not in table");
byte[] data = {105, 104, 103, 102, 101, 100};
ByteLookupTable t = new ByteLookupTable(100, data);
try
{
int[] src = new int[] {100, 102, 101, 120};
t.lookupPixel(src, null);
harness.check(false);
}
catch (ArrayIndexOutOfBoundsException ex)
{
harness.check(true);
}
try
{
byte[] src = new byte[] {120};
t.lookupPixel(src, null);
harness.check(false);
}
catch (ArrayIndexOutOfBoundsException ex)
{
harness.check(true);
}
}
}