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// Tags: JDK1.2
// Copyright (C) 2005 David Gilbert <david.gilbert@object-refinery.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, 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA. */
package gnu.testlet.java.awt.AlphaComposite;
import gnu.testlet.TestHarness;
import gnu.testlet.Testlet;
import java.awt.AlphaComposite;
/**
* Some checks for the getInstance() method in the {@link AlphaComposite} class.
*/
public class getInstance implements Testlet
{
/**
* Runs the test using the specified harness.
*
* @param harness the test harness (<code>null</code> not permitted).
*/
public void test(TestHarness harness)
{
test1(harness);
test2(harness);
}
/**
* Runs the test using the specified harness.
*
* @param harness the test harness (<code>null</code> not permitted).
*/
public void test1(TestHarness harness)
{
harness.checkPoint("(int)");
// CLEAR
AlphaComposite a = AlphaComposite.getInstance(AlphaComposite.CLEAR);
harness.check(a.getRule(), AlphaComposite.CLEAR);
harness.check(a.getAlpha(), 1.0f);
// SRC
a = AlphaComposite.getInstance(AlphaComposite.SRC);
harness.check(a.getRule(), AlphaComposite.SRC);
harness.check(a.getAlpha(), 1.0f);
// DST
a = AlphaComposite.getInstance(AlphaComposite.DST);
harness.check(a.getRule(), AlphaComposite.DST);
harness.check(a.getAlpha(), 1.0f);
// SRC_OVER
a = AlphaComposite.getInstance(AlphaComposite.SRC_OVER);
harness.check(a.getRule(), AlphaComposite.SRC_OVER);
harness.check(a.getAlpha(), 1.0f);
// DST_OVER
a = AlphaComposite.getInstance(AlphaComposite.DST_OVER);
harness.check(a.getRule(), AlphaComposite.DST_OVER);
harness.check(a.getAlpha(), 1.0f);
// SRC_IN
a = AlphaComposite.getInstance(AlphaComposite.SRC_IN);
harness.check(a.getRule(), AlphaComposite.SRC_IN);
harness.check(a.getAlpha(), 1.0f);
// DST_IN
a = AlphaComposite.getInstance(AlphaComposite.DST_IN);
harness.check(a.getRule(), AlphaComposite.DST_IN);
harness.check(a.getAlpha(), 1.0f);
// SRC_OUT
a = AlphaComposite.getInstance(AlphaComposite.SRC_OUT);
harness.check(a.getRule(), AlphaComposite.SRC_OUT);
harness.check(a.getAlpha(), 1.0f);
// DST_OUT
a = AlphaComposite.getInstance(AlphaComposite.DST_OUT);
harness.check(a.getRule(), AlphaComposite.DST_OUT);
harness.check(a.getAlpha(), 1.0f);
// try a bad constant
boolean pass = false;
try
{
a = AlphaComposite.getInstance(99);
}
catch (IllegalArgumentException e)
{
pass = true;
}
harness.check(pass);
// try another bad constant
pass = false;
try
{
a = AlphaComposite.getInstance(-1);
}
catch (IllegalArgumentException e)
{
pass = true;
}
harness.check(pass);
}
/**
* Runs the test using the specified harness.
*
* @param harness the test harness (<code>null</code> not permitted).
*/
public void test2(TestHarness harness)
{
harness.checkPoint("(int, float)");
AlphaComposite a = AlphaComposite.getInstance(AlphaComposite.SRC, 0.123f);
harness.check(a.getRule(), AlphaComposite.SRC);
harness.check(a.getAlpha(), 0.123f);
// try negative alpha
boolean pass = false;
try
{
/* a = */ AlphaComposite.getInstance(AlphaComposite.SRC, -0.01f);
}
catch (IllegalArgumentException e)
{
pass = true;
}
harness.check(pass);
// try alpha > 1.0
pass = false;
try
{
/* a = */ AlphaComposite.getInstance(AlphaComposite.SRC, 1.01f);
}
catch (IllegalArgumentException e)
{
pass = true;
}
harness.check(pass);
}
}
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