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jfreechart example source code file (BorderArrangementTests.java)

This example jfreechart source code file (BorderArrangementTests.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - jfreechart tags/keywords

awt, block, blockcontainer, blockcontainer, borderarrangement, borderarrangement, borderarrangementtests, bufferedimage, bufferedimage, bytearrayoutputstream, epsilon, epsilon, graphics2d, image, io, rectangleconstraint, size2d

The jfreechart BorderArrangementTests.java source code

/* ===========================================================
 * JFreeChart : a free chart library for the Java(tm) platform
 * ===========================================================
 *
 * (C) Copyright 2000-2008, 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.
 *
 * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
 * in the United States and other countries.]
 *
 * ---------------------------
 * BorderArrangementTests.java
 * ---------------------------
 * (C) Copyright 2004-2008, by Object Refinery Limited and Contributors.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   -;
 *
 * Changes
 * -------
 * 22-Oct-2004 : Version 1 (DG);
 *
 */

package org.jfree.chart.block.junit;

import java.awt.Graphics2D;
import java.awt.image.BufferedImage;
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.block.Block;
import org.jfree.chart.block.BlockContainer;
import org.jfree.chart.block.BorderArrangement;
import org.jfree.chart.block.EmptyBlock;
import org.jfree.chart.block.LengthConstraintType;
import org.jfree.chart.block.RectangleConstraint;
import org.jfree.data.Range;
import org.jfree.ui.RectangleEdge;
import org.jfree.ui.Size2D;

/**
 * Tests for the {@link BorderArrangement} class.
 */
public class BorderArrangementTests extends TestCase {

    private static final double EPSILON = 0.0000000001;

    /**
     * Returns the tests as a test suite.
     *
     * @return The test suite.
     */
    public static Test suite() {
        return new TestSuite(BorderArrangementTests.class);
    }

    /**
     * Constructs a new set of tests.
     *
     * @param name  the name of the tests.
     */
    public BorderArrangementTests(String name) {
        super(name);
    }

    /**
     * Confirm that the equals() method can distinguish all the required fields.
     */
    public void testEquals() {
        BorderArrangement b1 = new BorderArrangement();
        BorderArrangement b2 = new BorderArrangement();
        assertTrue(b1.equals(b2));
        assertTrue(b2.equals(b1));

        b1.add(new EmptyBlock(99.0, 99.0), null);
        assertFalse(b1.equals(b2));
        b2.add(new EmptyBlock(99.0, 99.0), null);
        assertTrue(b1.equals(b2));

        b1.add(new EmptyBlock(1.0, 1.0), RectangleEdge.LEFT);
        assertFalse(b1.equals(b2));
        b2.add(new EmptyBlock(1.0, 1.0), RectangleEdge.LEFT);
        assertTrue(b1.equals(b2));

        b1.add(new EmptyBlock(2.0, 2.0), RectangleEdge.RIGHT);
        assertFalse(b1.equals(b2));
        b2.add(new EmptyBlock(2.0, 2.0), RectangleEdge.RIGHT);
        assertTrue(b1.equals(b2));

        b1.add(new EmptyBlock(3.0, 3.0), RectangleEdge.TOP);
        assertFalse(b1.equals(b2));
        b2.add(new EmptyBlock(3.0, 3.0), RectangleEdge.TOP);
        assertTrue(b1.equals(b2));

        b1.add(new EmptyBlock(4.0, 4.0), RectangleEdge.BOTTOM);
        assertFalse(b1.equals(b2));
        b2.add(new EmptyBlock(4.0, 4.0), RectangleEdge.BOTTOM);
        assertTrue(b1.equals(b2));
    }

    /**
     * Immutable - cloning is not necessary.
     */
    public void testCloning() {
        BorderArrangement b1 = new BorderArrangement();
        assertFalse(b1 instanceof Cloneable);
    }

    /**
     * Serialize an instance, restore it, and check for equality.
     */
    public void testSerialization() {
        BorderArrangement b1 = new BorderArrangement();
        BorderArrangement b2 = null;
        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(b1);
            out.close();

            ObjectInput in = new ObjectInputStream(
                    new ByteArrayInputStream(buffer.toByteArray()));
            b2 = (BorderArrangement) in.readObject();
            in.close();
        }
        catch (Exception e) {
            fail(e.toString());
        }
        assertEquals(b1, b2);
    }

    /**
     * Run some checks on sizing.
     */
    public void testSizing() {
        BlockContainer container = new BlockContainer(new BorderArrangement());
        BufferedImage image = new BufferedImage(200, 100,
                BufferedImage.TYPE_INT_RGB);
        Graphics2D g2 = image.createGraphics();

        // TBLRC
        // 00000 - no items
        Size2D size = container.arrange(g2);
        assertEquals(0.0, size.width, EPSILON);
        assertEquals(0.0, size.height, EPSILON);

        // TBLRC
        // 00001 - center item only
        container.add(new EmptyBlock(123.4, 567.8));
        size = container.arrange(g2);
        assertEquals(123.4, size.width, EPSILON);
        assertEquals(567.8, size.height, EPSILON);

        // TBLRC
        // 00010 - right item only
        container.clear();
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.RIGHT);
        size = container.arrange(g2);
        assertEquals(12.3, size.width, EPSILON);
        assertEquals(45.6, size.height, EPSILON);

        // TBLRC
        // 00011 - right and center items
        container.clear();
        container.add(new EmptyBlock(10.0, 20.0));
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.RIGHT);
        size = container.arrange(g2);
        assertEquals(22.3, size.width, EPSILON);
        assertEquals(45.6, size.height, EPSILON);

        // try case where right item is shorter than center item
        container.clear();
        Block rb = new EmptyBlock(12.3, 15.6);
        container.add(new EmptyBlock(10.0, 20.0));
        container.add(rb, RectangleEdge.RIGHT);
        size = container.arrange(g2);
        assertEquals(22.3, size.width, EPSILON);
        assertEquals(20.0, size.height, EPSILON);
        assertEquals(20.0, rb.getBounds().getHeight(), EPSILON);

        // TBLRC
        // 00100 - left item only
        container.clear();
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.LEFT);
        size = container.arrange(g2);
        assertEquals(12.3, size.width, EPSILON);
        assertEquals(45.6, size.height, EPSILON);

        // TBLRC
        // 00101 - left and center items
        container.clear();
        container.add(new EmptyBlock(10.0, 20.0));
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.LEFT);
        size = container.arrange(g2);
        assertEquals(22.3, size.width, EPSILON);
        assertEquals(45.6, size.height, EPSILON);

        // try case where left item is shorter than center item
        container.clear();
        Block lb = new EmptyBlock(12.3, 15.6);
        container.add(new EmptyBlock(10.0, 20.0));
        container.add(lb, RectangleEdge.LEFT);
        size = container.arrange(g2);
        assertEquals(22.3, size.width, EPSILON);
        assertEquals(20.0, size.height, EPSILON);
        assertEquals(20.0, lb.getBounds().getHeight(), EPSILON);

        // TBLRC
        // 00110 - left and right items
        container.clear();
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.RIGHT);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.LEFT);
        size = container.arrange(g2);
        assertEquals(22.3, size.width, EPSILON);
        assertEquals(45.6, size.height, EPSILON);

        // TBLRC
        // 00111 - left, right and center items
        container.clear();
        container.add(new EmptyBlock(10.0, 20.0));
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.LEFT);
        container.add(new EmptyBlock(5.4, 3.2), RectangleEdge.RIGHT);
        size = container.arrange(g2);
        assertEquals(27.7, size.width, EPSILON);
        assertEquals(45.6, size.height, EPSILON);

        // TBLRC
        // 01000 - bottom item only
        container.clear();
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
        size = container.arrange(g2);
        assertEquals(12.3, size.width, EPSILON);
        assertEquals(45.6, size.height, EPSILON);

        // TBLRC
        // 01001 - bottom and center only
        container.clear();
        container.add(new EmptyBlock(10.0, 20.0));
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
        size = container.arrange(g2);
        assertEquals(12.3, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);

        // TBLRC
        // 01010 - bottom and right only
        container.clear();
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.RIGHT);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
        size = container.arrange(g2);
        assertEquals(12.3, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);

        // TBLRC
        // 01011 - bottom, right and center
        container.clear();
        container.add(new EmptyBlock(21.0, 12.3));
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.RIGHT);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
        size = container.arrange(g2);
        assertEquals(31.0, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);

        // TBLRC
        // 01100
        container.clear();
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.LEFT);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
        size = container.arrange(g2);
        assertEquals(12.3, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);

        // TBLRC
        // 01101 - bottom, left and center
        container.clear();
        container.add(new EmptyBlock(21.0, 12.3));
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.LEFT);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
        size = container.arrange(g2);
        assertEquals(31.0, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);

        // TBLRC
        // 01110 - bottom. left and right
        container.clear();
        container.add(new EmptyBlock(21.0, 12.3), RectangleEdge.RIGHT);
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.LEFT);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
        size = container.arrange(g2);
        assertEquals(31.0, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);

        // TBLRC
        // 01111
        container.clear();
        container.add(new EmptyBlock(3.0, 4.0), RectangleEdge.BOTTOM);
        container.add(new EmptyBlock(5.0, 6.0), RectangleEdge.LEFT);
        container.add(new EmptyBlock(7.0, 8.0), RectangleEdge.RIGHT);
        container.add(new EmptyBlock(9.0, 10.0));
        size = container.arrange(g2);
        assertEquals(21.0, size.width, EPSILON);
        assertEquals(14.0, size.height, EPSILON);

        // TBLRC
        // 10000 - top item only
        container.clear();
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.TOP);
        size = container.arrange(g2);
        assertEquals(12.3, size.width, EPSILON);
        assertEquals(45.6, size.height, EPSILON);

        // TBLRC
        // 10001 - top and center only
        container.clear();
        container.add(new EmptyBlock(10.0, 20.0));
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.TOP);
        size = container.arrange(g2);
        assertEquals(12.3, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);

        // TBLRC
        // 10010 - right and top only
        container.clear();
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.RIGHT);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.TOP);
        size = container.arrange(g2);
        assertEquals(12.3, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);

        // TBLRC
        // 10011 - top, right and center
        container.clear();
        container.add(new EmptyBlock(21.0, 12.3));
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.TOP);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.RIGHT);
        size = container.arrange(g2);
        assertEquals(33.3, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);

        // TBLRC
        // 10100 - top and left only
        container.clear();
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.LEFT);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.TOP);
        size = container.arrange(g2);
        assertEquals(12.3, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);

        // TBLRC
        // 10101 - top, left and center
        container.clear();
        container.add(new EmptyBlock(21.0, 12.3));
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.TOP);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.LEFT);
        size = container.arrange(g2);
        assertEquals(33.3, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);

        // TBLRC
        // 10110 - top, left and right
        container.clear();
        container.add(new EmptyBlock(21.0, 12.3), RectangleEdge.RIGHT);
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.TOP);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.LEFT);
        size = container.arrange(g2);
        assertEquals(33.3, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);

        // TBLRC
        // 10111
        container.clear();
        container.add(new EmptyBlock(1.0, 2.0), RectangleEdge.TOP);
        container.add(new EmptyBlock(5.0, 6.0), RectangleEdge.LEFT);
        container.add(new EmptyBlock(7.0, 8.0), RectangleEdge.RIGHT);
        container.add(new EmptyBlock(9.0, 10.0));
        size = container.arrange(g2);
        assertEquals(21.0, size.width, EPSILON);
        assertEquals(12.0, size.height, EPSILON);

        // TBLRC
        // 11000 - top and bottom only
        container.clear();
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.TOP);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
        size = container.arrange(g2);
        assertEquals(12.3, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);

        // TBLRC
        // 11001
        container.clear();
        container.add(new EmptyBlock(21.0, 12.3));
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.TOP);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
        size = container.arrange(g2);
        assertEquals(21.0, size.width, EPSILON);
        assertEquals(77.9, size.height, EPSILON);

        // TBLRC
        // 11010 - top, bottom and right
        container.clear();
        container.add(new EmptyBlock(21.0, 12.3), RectangleEdge.RIGHT);
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.TOP);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
        size = container.arrange(g2);
        assertEquals(21.0, size.width, EPSILON);
        assertEquals(77.9, size.height, EPSILON);

        // TBLRC
        // 11011
        container.clear();
        container.add(new EmptyBlock(1.0, 2.0), RectangleEdge.TOP);
        container.add(new EmptyBlock(3.0, 4.0), RectangleEdge.BOTTOM);
        container.add(new EmptyBlock(7.0, 8.0), RectangleEdge.RIGHT);
        container.add(new EmptyBlock(9.0, 10.0));
        size = container.arrange(g2);
        assertEquals(16.0, size.width, EPSILON);
        assertEquals(16.0, size.height, EPSILON);

        // TBLRC
        // 11100
        container.clear();
        container.add(new EmptyBlock(21.0, 12.3), RectangleEdge.LEFT);
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.TOP);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
        size = container.arrange(g2);
        assertEquals(21.0, size.width, EPSILON);
        assertEquals(77.9, size.height, EPSILON);

        // TBLRC
        // 11101
        container.clear();
        container.add(new EmptyBlock(1.0, 2.0), RectangleEdge.TOP);
        container.add(new EmptyBlock(3.0, 4.0), RectangleEdge.BOTTOM);
        container.add(new EmptyBlock(5.0, 6.0), RectangleEdge.LEFT);
        container.add(new EmptyBlock(9.0, 10.0));
        size = container.arrange(g2);
        assertEquals(14.0, size.width, EPSILON);
        assertEquals(16.0, size.height, EPSILON);

        // TBLRC
        // 11110
        container.clear();
        container.add(new EmptyBlock(1.0, 2.0), RectangleEdge.TOP);
        container.add(new EmptyBlock(3.0, 4.0), RectangleEdge.BOTTOM);
        container.add(new EmptyBlock(5.0, 6.0), RectangleEdge.LEFT);
        container.add(new EmptyBlock(7.0, 8.0), RectangleEdge.RIGHT);
        size = container.arrange(g2);
        assertEquals(12.0, size.width, EPSILON);
        assertEquals(14.0, size.height, EPSILON);

        // TBLRC
        // 11111 - all
        container.clear();
        container.add(new EmptyBlock(1.0, 2.0), RectangleEdge.TOP);
        container.add(new EmptyBlock(3.0, 4.0), RectangleEdge.BOTTOM);
        container.add(new EmptyBlock(5.0, 6.0), RectangleEdge.LEFT);
        container.add(new EmptyBlock(7.0, 8.0), RectangleEdge.RIGHT);
        container.add(new EmptyBlock(9.0, 10.0));
        size = container.arrange(g2);
        assertEquals(21.0, size.width, EPSILON);
        assertEquals(16.0, size.height, EPSILON);

    }

    /**
     * Run some checks on sizing when there is a fixed width constraint.
     */
    public void testSizingWithWidthConstraint() {
        RectangleConstraint constraint = new RectangleConstraint(
                10.0, new Range(10.0, 10.0), LengthConstraintType.FIXED,
                0.0, new Range(0.0, 0.0), LengthConstraintType.NONE);

        BlockContainer container = new BlockContainer(new BorderArrangement());
        BufferedImage image = new BufferedImage(200, 100,
                BufferedImage.TYPE_INT_RGB);
        Graphics2D g2 = image.createGraphics();

        // TBLRC
        // 00001 - center item only
        container.add(new EmptyBlock(5.0, 6.0));
        Size2D size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(6.0, size.height, EPSILON);

        container.clear();
        container.add(new EmptyBlock(15.0, 16.0));
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(16.0, size.height, EPSILON);

        // TBLRC
        // 00010 - right item only
        container.clear();
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.RIGHT);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(45.6, size.height, EPSILON);

        // TBLRC
        // 00011 - right and center items
        container.clear();
        container.add(new EmptyBlock(7.0, 20.0));
        container.add(new EmptyBlock(8.0, 45.6), RectangleEdge.RIGHT);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(45.6, size.height, EPSILON);

        // TBLRC
        // 00100 - left item only
        container.clear();
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.LEFT);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(45.6, size.height, EPSILON);

        // TBLRC
        // 00101 - left and center items
        container.clear();
        container.add(new EmptyBlock(10.0, 20.0));
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.LEFT);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(45.6, size.height, EPSILON);

        // TBLRC
        // 00110 - left and right items
        container.clear();
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.RIGHT);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.LEFT);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(45.6, size.height, EPSILON);

        // TBLRC
        // 00111 - left, right and center items
        container.clear();
        container.add(new EmptyBlock(10.0, 20.0));
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.LEFT);
        container.add(new EmptyBlock(5.4, 3.2), RectangleEdge.RIGHT);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(45.6, size.height, EPSILON);

        // TBLRC
        // 01000 - bottom item only
        container.clear();
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(45.6, size.height, EPSILON);

        // TBLRC
        // 01001 - bottom and center only
        container.clear();
        container.add(new EmptyBlock(10.0, 20.0));
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);

        // TBLRC
        // 01010 - bottom and right only
        container.clear();
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.RIGHT);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);

        // TBLRC
        // 01011 - bottom, right and center
        container.clear();
        container.add(new EmptyBlock(21.0, 12.3));
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.RIGHT);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);

        // TBLRC
        // 01100
        container.clear();
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.LEFT);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);

        // TBLRC
        // 01101 - bottom, left and center
        container.clear();
        container.add(new EmptyBlock(21.0, 12.3));
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.LEFT);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);

        // TBLRC
        // 01110 - bottom. left and right
        container.clear();
        container.add(new EmptyBlock(21.0, 12.3), RectangleEdge.RIGHT);
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.LEFT);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);

        // TBLRC
        // 01111
        container.clear();
        container.add(new EmptyBlock(3.0, 4.0), RectangleEdge.BOTTOM);
        container.add(new EmptyBlock(5.0, 6.0), RectangleEdge.LEFT);
        container.add(new EmptyBlock(7.0, 8.0), RectangleEdge.RIGHT);
        container.add(new EmptyBlock(9.0, 10.0));
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(14.0, size.height, EPSILON);

        // TBLRC
        // 10000 - top item only
        container.clear();
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.TOP);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(45.6, size.height, EPSILON);

        // TBLRC
        // 10001 - top and center only
        container.clear();
        container.add(new EmptyBlock(10.0, 20.0));
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.TOP);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);

        // TBLRC
        // 10010 - right and top only
        container.clear();
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.RIGHT);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.TOP);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);

        // TBLRC
        // 10011 - top, right and center
        container.clear();
        container.add(new EmptyBlock(21.0, 12.3));
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.TOP);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.RIGHT);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);

        // TBLRC
        // 10100 - top and left only
        container.clear();
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.LEFT);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.TOP);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);

        // TBLRC
        // 10101 - top, left and center
        container.clear();
        container.add(new EmptyBlock(21.0, 12.3));
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.TOP);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.LEFT);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);

        // TBLRC
        // 10110 - top, left and right
        container.clear();
        container.add(new EmptyBlock(21.0, 12.3), RectangleEdge.RIGHT);
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.TOP);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.LEFT);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);

        // TBLRC
        // 10111
        container.clear();
        container.add(new EmptyBlock(1.0, 2.0), RectangleEdge.TOP);
        container.add(new EmptyBlock(5.0, 6.0), RectangleEdge.LEFT);
        container.add(new EmptyBlock(7.0, 8.0), RectangleEdge.RIGHT);
        container.add(new EmptyBlock(9.0, 10.0));
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(12.0, size.height, EPSILON);

        // TBLRC
        // 11000 - top and bottom only
        container.clear();
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.TOP);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(65.6, size.height, EPSILON);

        // TBLRC
        // 11001
        container.clear();
        container.add(new EmptyBlock(21.0, 12.3));
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.TOP);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(77.9, size.height, EPSILON);

        // TBLRC
        // 11010 - top, bottom and right
        container.clear();
        container.add(new EmptyBlock(21.0, 12.3), RectangleEdge.RIGHT);
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.TOP);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(77.9, size.height, EPSILON);

        // TBLRC
        // 11011
        container.clear();
        container.add(new EmptyBlock(1.0, 2.0), RectangleEdge.TOP);
        container.add(new EmptyBlock(3.0, 4.0), RectangleEdge.BOTTOM);
        container.add(new EmptyBlock(7.0, 8.0), RectangleEdge.RIGHT);
        container.add(new EmptyBlock(9.0, 10.0));
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(16.0, size.height, EPSILON);

        // TBLRC
        // 11100
        container.clear();
        container.add(new EmptyBlock(21.0, 12.3), RectangleEdge.LEFT);
        container.add(new EmptyBlock(10.0, 20.0), RectangleEdge.TOP);
        container.add(new EmptyBlock(12.3, 45.6), RectangleEdge.BOTTOM);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(77.9, size.height, EPSILON);

        // TBLRC
        // 11101
        container.clear();
        container.add(new EmptyBlock(1.0, 2.0), RectangleEdge.TOP);
        container.add(new EmptyBlock(3.0, 4.0), RectangleEdge.BOTTOM);
        container.add(new EmptyBlock(5.0, 6.0), RectangleEdge.LEFT);
        container.add(new EmptyBlock(9.0, 10.0));
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(16.0, size.height, EPSILON);

        // TBLRC
        // 11110
        container.clear();
        container.add(new EmptyBlock(1.0, 2.0), RectangleEdge.TOP);
        container.add(new EmptyBlock(3.0, 4.0), RectangleEdge.BOTTOM);
        container.add(new EmptyBlock(5.0, 6.0), RectangleEdge.LEFT);
        container.add(new EmptyBlock(7.0, 8.0), RectangleEdge.RIGHT);
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(14.0, size.height, EPSILON);

        // TBLRC
        // 11111 - all
        container.clear();
        container.add(new EmptyBlock(1.0, 2.0), RectangleEdge.TOP);
        container.add(new EmptyBlock(3.0, 4.0), RectangleEdge.BOTTOM);
        container.add(new EmptyBlock(5.0, 6.0), RectangleEdge.LEFT);
        container.add(new EmptyBlock(7.0, 8.0), RectangleEdge.RIGHT);
        container.add(new EmptyBlock(9.0, 10.0));
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(16.0, size.height, EPSILON);

        // TBLRC
        // 00000 - no items
        container.clear();
        size = container.arrange(g2, constraint);
        assertEquals(10.0, size.width, EPSILON);
        assertEquals(0.0, size.height, EPSILON);

    }

    /**
     * This test is for a particular bug that arose just prior to the release
     * of JFreeChart 1.0.10.  A BorderArrangement with LEFT, CENTRE and RIGHT
     * blocks that is too wide, by default, for the available space, wasn't
     * shrinking the centre block as expected.
     */
    public void testBugX() {
        RectangleConstraint constraint = new RectangleConstraint(
                new Range(0.0, 200.0), new Range(0.0, 100.0));
        BlockContainer container = new BlockContainer(new BorderArrangement());
        BufferedImage image = new BufferedImage(200, 100,
                BufferedImage.TYPE_INT_RGB);
        Graphics2D g2 = image.createGraphics();

        container.add(new EmptyBlock(10.0, 6.0), RectangleEdge.LEFT);
        container.add(new EmptyBlock(20.0, 6.0), RectangleEdge.RIGHT);
        container.add(new EmptyBlock(30.0, 6.0));
        Size2D size = container.arrange(g2, constraint);
        assertEquals(60.0, size.width, EPSILON);
        assertEquals(6.0, size.height, EPSILON);

        container.clear();
        container.add(new EmptyBlock(10.0, 6.0), RectangleEdge.LEFT);
        container.add(new EmptyBlock(20.0, 6.0), RectangleEdge.RIGHT);
        container.add(new EmptyBlock(300.0, 6.0));
        size = container.arrange(g2, constraint);
        assertEquals(200.0, size.width, EPSILON);
        assertEquals(6.0, size.height, EPSILON);


    }
}

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