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// Tags: JDK1.2
// Copyright (C) 2005 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.ConvolveOp ;
import gnu.testlet.TestHarness;
import gnu.testlet.Testlet;
import java.awt.image.ConvolveOp;
import java.awt.image.Kernel;
import java.util.Arrays;
/**
* Some checks for the constructors in the {@link ConvolveOp} class.
*/
public class constructors implements Testlet
{
/**
* Runs the test using the specified harness.
*
* @param harness the test harness (<code>null</code> not permitted).
*/
public void test(TestHarness harness)
{
testConstructor1(harness);
testConstructor2(harness);
}
public void testConstructor1(TestHarness harness)
{
harness.checkPoint("(Kernel)");
Kernel k1 = new Kernel(3, 3, new float[] {1f, 2f, 3f, 4f, 5f, 6f, 7f, 8f, 9f});
ConvolveOp op1 = new ConvolveOp(k1);
harness.check(op1.getKernel() != k1);
harness.check(Arrays.equals(op1.getKernel().getKernelData(null), k1.getKernelData(null)));
harness.check(op1.getEdgeCondition(), ConvolveOp.EDGE_ZERO_FILL);
harness.check(op1.getRenderingHints(), null);
// using a null Kernel doesn't throw an immediate exception...
boolean pass = true;
try
{
/*ConvolveOp op2 =*/ new ConvolveOp(null);
}
catch (NullPointerException e)
{
pass = false;
}
harness.check(pass);
// ...but it does later
pass = false;
try
{
ConvolveOp op2 = new ConvolveOp(null);
/*Kernel k2 =*/ op2.getKernel();
}
catch (NullPointerException e)
{
pass = true;
}
harness.check(pass);
}
public void testConstructor2(TestHarness harness)
{
harness.checkPoint("(Kernel, int, RenderingHints)");
Kernel k1 = new Kernel(3, 3, new float[] {1f, 2f, 3f, 4f, 5f, 6f, 7f, 8f, 9f});
ConvolveOp op1 = new ConvolveOp(k1, ConvolveOp.EDGE_NO_OP, null);
harness.check(op1.getKernel() != k1);
harness.check(Arrays.equals(op1.getKernel().getKernelData(null), k1.getKernelData(null)));
harness.check(op1.getEdgeCondition(), ConvolveOp.EDGE_NO_OP);
harness.check(op1.getRenderingHints(), null);
// a null kernel will fail when you try to access it
boolean pass = false;
ConvolveOp op2 = new ConvolveOp(null, ConvolveOp.EDGE_NO_OP, null);
try
{
/*Kernel k =*/ op2.getKernel();
}
catch (NullPointerException e)
{
pass = true;
}
harness.check(pass);
// try an invalid edge operation code
pass = false;
op1 = new ConvolveOp(k1, -1, null);
harness.check(op1.getEdgeCondition(), -1);
}
}
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