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/* constructors.java -- some checks for the constructors 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: JDK1.2
package gnu.testlet.java.awt.image.RescaleOp;
import gnu.testlet.TestHarness;
import gnu.testlet.Testlet;
import java.awt.image.RescaleOp;
import java.util.Arrays;
/**
* Some checks for the constructors in the {@link RescaleOp} 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("(float[], float[], RenderingHints)");
// Simple test
float[] scale = new float[] {0.6f};
float[] offset = new float[] {1.1f};
RescaleOp op = new RescaleOp(scale, offset, null);
harness.check(Arrays.equals(op.getScaleFactors(null), scale));
harness.check(Arrays.equals(op.getOffsets(null), offset));
harness.check(op.getRenderingHints(), null);
scale = new float[] {0.6f, 1.2f, 5.6f, 2.2f};
offset = new float[] {1.1f, 3f, 2.7f, 8.0f};
op = new RescaleOp(scale, offset, null);
harness.check(Arrays.equals(op.getScaleFactors(null), scale));
harness.check(Arrays.equals(op.getOffsets(null), offset));
harness.check(op.getRenderingHints(), null);
// Null arguments
try
{
op = new RescaleOp(null, offset, null);
harness.check(false);
}
catch (NullPointerException e)
{
harness.check(true);
}
try
{
op = new RescaleOp(scale, null, null);
harness.check(false);
}
catch (NullPointerException e)
{
harness.check(true);
}
try
{
op = new RescaleOp(null, null, null);
harness.check(false);
}
catch (NullPointerException e)
{
harness.check(true);
}
// Empty arrays
try
{
op = new RescaleOp(new float[]{}, new float[]{}, null);
harness.check(true);
}
catch (NullPointerException e)
{
harness.check(false);
}
// Mis-matched array lengths are allowed for now
scale = new float[] {1f, 2f, 3f, 4f, 5f, 6f};
offset = new float[] {1f, 2f, 3f};
try
{
op = new RescaleOp(scale, offset, null);
harness.check(true);
}
catch (IllegalArgumentException ex)
{
harness.check(false);
}
// Negative values
scale = new float[] {1f, -2f};
offset = new float[] {2f, -1f,};
try
{
op = new RescaleOp(scale, offset, null);
harness.check(true);
}
catch (IllegalArgumentException ex)
{
harness.check(false);
}
}
public void testConstructor2(TestHarness harness)
{
harness.checkPoint("(float, float, RenderingHints)");
// Simple test
RescaleOp op = new RescaleOp(2f, 6.5f, null);
harness.check(Arrays.equals(op.getScaleFactors(null), new float[]{2f}));
harness.check(Arrays.equals(op.getOffsets(null), new float[]{6.5f}));
harness.check(op.getRenderingHints(), null);
// Negative values
try
{
op = new RescaleOp(-5f, -2f, null);
harness.check(true);
}
catch (IllegalArgumentException ex)
{
harness.check(false);
}
}
}
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