/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2011, 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.]
*
* ----------------------
* CategoryAxisTests.java
* ----------------------
* (C) Copyright 2003-2008, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes
* -------
* 18-Mar-2003 : Version 1 (DG);
* 13-Aug-2003 : Added clone() test (DG);
* 07-Jan-2005 : Added hashCode() test (DG);
*
*/
package org.jfree.chart.axis.junit;
import java.awt.Color;
import java.awt.Font;
import java.awt.GradientPaint;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.ObjectInput;
import java.io.ObjectInputStream;
import java.io.ObjectOutput;
import java.io.ObjectOutputStream;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.jfree.chart.axis.CategoryAxis;
import org.jfree.chart.axis.CategoryLabelPositions;
/**
* Tests for the {@link CategoryAxis} class.
*/
public class CategoryAxisTests extends TestCase {
/**
* Returns the tests as a test suite.
*
* @return The test suite.
*/
public static Test suite() {
return new TestSuite(CategoryAxisTests.class);
}
/**
* Constructs a new set of tests.
*
* @param name the name of the tests.
*/
public CategoryAxisTests(String name) {
super(name);
}
/**
* Confirm that the equals method can distinguish all the required fields.
*/
public void testEquals() {
CategoryAxis a1 = new CategoryAxis("Test");
CategoryAxis a2 = new CategoryAxis("Test");
assertTrue(a1.equals(a2));
// lowerMargin
a1.setLowerMargin(0.15);
assertFalse(a1.equals(a2));
a2.setLowerMargin(0.15);
assertTrue(a1.equals(a2));
// upperMargin
a1.setUpperMargin(0.15);
assertFalse(a1.equals(a2));
a2.setUpperMargin(0.15);
assertTrue(a1.equals(a2));
// categoryMargin
a1.setCategoryMargin(0.15);
assertFalse(a1.equals(a2));
a2.setCategoryMargin(0.15);
assertTrue(a1.equals(a2));
// maxCategoryLabelWidthRatio
a1.setMaximumCategoryLabelWidthRatio(0.98f);
assertFalse(a1.equals(a2));
a2.setMaximumCategoryLabelWidthRatio(0.98f);
assertTrue(a1.equals(a2));
// categoryLabelPositionOffset
a1.setCategoryLabelPositionOffset(11);
assertFalse(a1.equals(a2));
a2.setCategoryLabelPositionOffset(11);
assertTrue(a1.equals(a2));
// categoryLabelPositions
a1.setCategoryLabelPositions(CategoryLabelPositions.DOWN_45);
assertFalse(a1.equals(a2));
a2.setCategoryLabelPositions(CategoryLabelPositions.DOWN_45);
assertTrue(a1.equals(a2));
// categoryLabelToolTips
a1.addCategoryLabelToolTip("Test", "Check");
assertFalse(a1.equals(a2));
a2.addCategoryLabelToolTip("Test", "Check");
assertTrue(a1.equals(a2));
// tickLabelFont
a1.setTickLabelFont("C1", new Font("Dialog", Font.PLAIN, 21));
assertFalse(a1.equals(a2));
a2.setTickLabelFont("C1", new Font("Dialog", Font.PLAIN, 21));
assertTrue(a1.equals(a2));
// tickLabelPaint
a1.setTickLabelPaint("C1", Color.red);
assertFalse(a1.equals(a2));
a2.setTickLabelPaint("C1", Color.red);
assertTrue(a1.equals(a2));
// tickLabelPaint2
a1.setTickLabelPaint("C1", new GradientPaint(1.0f, 2.0f, Color.red,
3.0f, 4.0f, Color.yellow));
assertFalse(a1.equals(a2));
a2.setTickLabelPaint("C1", new GradientPaint(1.0f, 2.0f, Color.red,
3.0f, 4.0f, Color.yellow));
assertTrue(a1.equals(a2));
}
/**
* Two objects that are equal are required to return the same hashCode.
*/
public void testHashCode() {
CategoryAxis a1 = new CategoryAxis("Test");
CategoryAxis a2 = new CategoryAxis("Test");
assertTrue(a1.equals(a2));
int h1 = a1.hashCode();
int h2 = a2.hashCode();
assertEquals(h1, h2);
}
/**
* Confirm that cloning works.
*/
public void testCloning() {
CategoryAxis a1 = new CategoryAxis("Test");
CategoryAxis a2 = null;
try {
a2 = (CategoryAxis) a1.clone();
}
catch (CloneNotSupportedException e) {
System.err.println("Failed to clone.");
}
assertTrue(a1 != a2);
assertTrue(a1.getClass() == a2.getClass());
assertTrue(a1.equals(a2));
}
/**
* Confirm that cloning works. This test customises the font and paint
* per category label.
*/
public void testCloning2() {
CategoryAxis a1 = new CategoryAxis("Test");
a1.setTickLabelFont("C1", new Font("Dialog", Font.PLAIN, 15));
a1.setTickLabelPaint("C1", new GradientPaint(1.0f, 2.0f, Color.red,
3.0f, 4.0f, Color.white));
CategoryAxis a2 = null;
try {
a2 = (CategoryAxis) a1.clone();
}
catch (CloneNotSupportedException e) {
System.err.println("Failed to clone.");
}
assertTrue(a1 != a2);
assertTrue(a1.getClass() == a2.getClass());
assertTrue(a1.equals(a2));
// check that changing a tick label font in a1 doesn't change a2
a1.setTickLabelFont("C1", null);
assertFalse(a1.equals(a2));
a2.setTickLabelFont("C1", null);
assertTrue(a1.equals(a2));
// check that changing a tick label paint in a1 doesn't change a2
a1.setTickLabelPaint("C1", Color.yellow);
assertFalse(a1.equals(a2));
a2.setTickLabelPaint("C1", Color.yellow);
assertTrue(a1.equals(a2));
// check that changing a category label tooltip in a1 doesn't change a2
a1.addCategoryLabelToolTip("C1", "XYZ");
assertFalse(a1.equals(a2));
a2.addCategoryLabelToolTip("C1", "XYZ");
assertTrue(a1.equals(a2));
}
/**
* Serialize an instance, restore it, and check for equality.
*/
public void testSerialization() {
CategoryAxis a1 = new CategoryAxis("Test Axis");
a1.setTickLabelPaint("C1", new GradientPaint(1.0f, 2.0f, Color.red,
3.0f, 4.0f, Color.white));
CategoryAxis a2 = null;
try {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(a1);
out.close();
ObjectInput in = new ObjectInputStream(
new ByteArrayInputStream(buffer.toByteArray())
);
a2 = (CategoryAxis) in.readObject();
in.close();
}
catch (Exception e) {
e.printStackTrace();
}
assertEquals(a1, a2);
}
}