/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2012, by Object Refinery Limited and Contributors.
*
* Project Info: http://www.jfree.org/jfreechart/index.html
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library 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 Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
* [Oracle and Java are registered trademarks of Oracle and/or its affiliates.
* Other names may be trademarks of their respective owners.]
*
* ------------------
* PaintMapTests.java
* ------------------
* (C) Copyright 2006, 2007, by Object Refinery Limited.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes:
* --------
* 27-Sep-2006 : Version 1 (DG);
* 17-Jan-2007 : Added testKeysOfDifferentClasses() (DG);
*
*/
package org.jfree.chart;
import org.junit.Test;
import java.awt.Color;
import java.awt.GradientPaint;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectInputStream;
import java.io.ObjectOutput;
import java.io.ObjectOutputStream;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.fail;
/**
* Some tests for the {@link PaintMap} class.
*/
public class PaintMapTest {
/**
* Some checks for the getPaint() method.
*/
@Test
public void testGetPaint() {
PaintMap m1 = new PaintMap();
assertEquals(null, m1.getPaint("A"));
m1.put("A", Color.RED);
assertEquals(Color.RED, m1.getPaint("A"));
m1.put("A", null);
assertEquals(null, m1.getPaint("A"));
// a null key should throw an IllegalArgumentException
try {
m1.getPaint(null);
fail("IllegalArgumentException should have been thrown on passing null value");
}
catch (IllegalArgumentException e) {
assertEquals("Null 'key' argument.", e.getMessage());
}
}
/**
* Some checks for the put() method.
*/
@Test
public void testPut() {
PaintMap m1 = new PaintMap();
m1.put("A", Color.RED);
assertEquals(Color.RED, m1.getPaint("A"));
// a null key should throw an IllegalArgumentException
try {
m1.put(null, Color.BLUE);
fail("IllegalArgumentException should have been thrown on null key");
}
catch (IllegalArgumentException e) {
assertEquals("Null 'key' argument.", e.getMessage());
}
}
/**
* Some checks for the equals() method.
*/
@Test
public void testEquals() {
PaintMap m1 = new PaintMap();
PaintMap m2 = new PaintMap();
assertEquals(m1, m1);
assertEquals(m1, m2);
assertFalse(m1.equals(null));
assertFalse(m1.equals("ABC"));
m1.put("K1", Color.RED);
assertFalse(m1.equals(m2));
m2.put("K1", Color.RED);
assertEquals(m1, m2);
m1.put("K2", new GradientPaint(1.0f, 2.0f, Color.green, 3.0f, 4.0f,
Color.yellow));
assertFalse(m1.equals(m2));
m2.put("K2", new GradientPaint(1.0f, 2.0f, Color.green, 3.0f, 4.0f,
Color.yellow));
assertEquals(m1, m2);
m1.put("K2", null);
assertFalse(m1.equals(m2));
m2.put("K2", null);
assertEquals(m1, m2);
}
/**
* Some checks for cloning.
*/
@Test
public void testCloning() throws CloneNotSupportedException {
PaintMap m1 = new PaintMap();
PaintMap m2 = (PaintMap) m1.clone();
assertEquals(m1, m2);
m1.put("K1", Color.RED);
m1.put("K2", new GradientPaint(1.0f, 2.0f, Color.green, 3.0f, 4.0f,
Color.yellow));
m2 = (PaintMap) m1.clone();
assertEquals(m1, m2);
}
/**
* A check for serialization.
*/
@Test
public void testSerialization1() throws IOException, ClassNotFoundException {
PaintMap m1 = new PaintMap();
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(m1);
out.close();
ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(
buffer.toByteArray()));
PaintMap m2 = (PaintMap) in.readObject();
in.close();
assertEquals(m1, m2);
}
/**
* A check for serialization.
*/
@Test
public void testSerialization2() throws IOException, ClassNotFoundException {
PaintMap m1 = new PaintMap();
m1.put("K1", Color.RED);
m1.put("K2", new GradientPaint(1.0f, 2.0f, Color.green, 3.0f, 4.0f,
Color.yellow));
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(m1);
out.close();
ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(
buffer.toByteArray()));
PaintMap m2 = (PaintMap) in.readObject();
in.close();
assertEquals(m1, m2);
}
/**
* This test covers a bug reported in the forum:
*
* http://www.jfree.org/phpBB2/viewtopic.php?t=19980
*/
@Test
public void testKeysOfDifferentClasses() {
PaintMap m = new PaintMap();
m.put("ABC", Color.RED);
m.put(99, Color.BLUE);
assertEquals(Color.BLUE, m.getPaint(99));
}
}