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// Tags: JDK1.2
// Copyright (C) 2006 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, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
// 02110-1301 USA.
package gnu.testlet.java.awt.image.Kernel;
import gnu.testlet.TestHarness;
import gnu.testlet.Testlet;
import java.awt.image.Kernel;
/**
* Some checks for the constructor in the {@link Kernel} class.
*/
public class constructor implements Testlet
{
/**
* Runs the test using the specified harness.
*
* @param harness the test harness (<code>null</code> not permitted).
*/
public void test(TestHarness harness)
{
float[] d1 = new float[] {1f, 2f, 3f, 4f, 5f, 6f, 7f, 8f,
9f, 10f, 11f, 12f, 13f, 14f, 15f};
Kernel k1 = new Kernel(3, 5, d1);
harness.check(k1.getWidth(), 3);
harness.check(k1.getHeight(), 5);
harness.check(k1.getXOrigin(), 1);
harness.check(k1.getYOrigin(), 2);
// changing source data array shouldn't change the kernel
d1[0] = Float.NaN;
float[] d2 = k1.getKernelData(null);
harness.check(!Float.isNaN(d2[0]));
// try negative width - the required behaviour is not specified, the
// reference implementation throws a NegativeArraySizeException, but that
// seems like an implementation detail so this test is going to allow an
// IllegalArgumentException as well (which is what GNU Classpath does).
boolean pass = false;
try
{
k1 = new Kernel(-1, 2, new float[] {1f, 2f});
}
catch (NegativeArraySizeException e)
{
pass = true;
}
catch (IllegalArgumentException e)
{
pass = true;
}
harness.check(pass);
// try negative height - the required behaviour is not specified, the
// reference implementation throws a NegativeArraySizeException, but that
// seems like an implementation detail so this test is going to allow an
// IllegalArgumentException as well (which is what GNU Classpath does).
pass = false;
try
{
k1 = new Kernel(1, -2, new float[] {1f, 2f});
}
catch (NegativeArraySizeException e)
{
pass = true;
}
catch (IllegalArgumentException e)
{
pass = true;
}
harness.check(pass);
// try null array
pass = false;
try
{
k1 = new Kernel(1, 2, null);
}
catch (NullPointerException e)
{
pass = true;
}
harness.check(pass);
}
}
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