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/* getffsets.java -- some checks for the getOffsets() method in 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: JDK1.4
package gnu.testlet.java.awt.image.RescaleOp;
import gnu.testlet.TestHarness;
import gnu.testlet.Testlet;
import java.awt.image.RescaleOp;
import java.util.Arrays;
public class getOffsets implements Testlet
{
public void test(TestHarness harness)
{
RescaleOp op = new RescaleOp(1, 1, null);
harness.check(Arrays.equals(op.getOffsets(null), new float[]{1}));
op = new RescaleOp(new float[]{1}, new float[]{1}, null);
harness.check(Arrays.equals(op.getOffsets(null), new float[]{1}));
float[] flt = new float[]{1, 2, 3, 4, 5};
op = new RescaleOp(flt, flt, null);
harness.check(op.getOffsets(null) != flt);
harness.check(Arrays.equals(op.getOffsets(null),
new float[]{1, 2, 3, 4, 5}));
// Mismatched array sizes...
op = new RescaleOp(new float[]{1, 2}, flt, null);
harness.check(op.getOffsets(null).length == 2);
harness.check(op.getOffsets(null)[0] == 1);
harness.check(op.getOffsets(null)[1] == 2);
// Try passing in an array to be populated
op = new RescaleOp(flt, flt, null);
float[] arr = new float[5];
harness.check(Arrays.equals(op.getOffsets(arr), arr));
harness.check(Arrays.equals(arr, flt));
// What if the array is too big?
arr = new float[10];
Arrays.fill(arr, 25);
op.getOffsets(arr);
for (int i = 0; i < 5; i++)
harness.check(arr[i] == flt[i]);
for (int i = 5; i < arr.length; i++)
harness.check(arr[i] == 25);
// What if array is too small?
arr = new float[2];
try
{
harness.check(op.getOffsets(arr).length == 2);
harness.check(op.getOffsets(arr)[0] == 1);
harness.check(op.getOffsets(arr)[1] == 2);
}
catch (ArrayIndexOutOfBoundsException ex)
{
harness.check(false);
}
}
}
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