# AxisSpaceTests.java

    /* ===========================================================
     * JFreeChart : a free chart library for the Java(tm) platform
     * ===========================================================
     *
     * (C) Copyright 2000-2007, 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.]
     *
     * -------------------
     * AxisSpaceTests.java
     * -------------------
     * (C) Copyright 2003-2007, by Object Refinery Limited and Contributors.
     *
     * Original Author:  David Gilbert (for Object Refinery Limited);
     * Contributor(s):   -;
     *
     * Changes
     * -------
     * 14-Aug-2003 : Version 1 (DG);
     * 07-Jan-2005 : Added hashCode test (DG);
     *
     */

    package org.jfree.chart.axis.junit;

    import junit.framework.Test;
    import junit.framework.TestCase;
    import junit.framework.TestSuite;

    import org.jfree.chart.axis.AxisSpace;

    /**
     * Tests for the {@link AxisSpace} class.
     */
    public class AxisSpaceTests extends TestCase {

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

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

        /**
         * Check that the equals() method can distinguish all fields.
         */
        public void testEquals() {
            AxisSpace a1 = new AxisSpace();
            AxisSpace a2 = new AxisSpace();
            assertEquals(a1, a2);

            a1.setTop(1.11);
            assertFalse(a1.equals(a2));
            a2.setTop(1.11);
            assertTrue(a1.equals(a2));

            a1.setBottom(2.22);
            assertFalse(a1.equals(a2));
            a2.setBottom(2.22);
            assertTrue(a1.equals(a2));

            a1.setLeft(3.33);
            assertFalse(a1.equals(a2));
            a2.setLeft(3.33);
            assertTrue(a1.equals(a2));

            a1.setRight(4.44);
            assertFalse(a1.equals(a2));
            a2.setRight(4.44);
            assertTrue(a1.equals(a2));
        }

        /**
         * Two objects that are equal are required to return the same hashCode.
         */
        public void testHashCode() {
            AxisSpace s1 = new AxisSpace();
            AxisSpace s2 = new AxisSpace();
            assertTrue(s1.equals(s2));
            int h1 = s1.hashCode();
            int h2 = s2.hashCode();
            assertEquals(h1, h2);
        }

        /**
         * Confirm that cloning works.
         */
        public void testCloning() {
            AxisSpace s1 = new AxisSpace();
            AxisSpace s2 = null;
            try {
                s2 = (AxisSpace) s1.clone();
            }
            catch (CloneNotSupportedException e) {
                System.err.println("Failed to clone.");
            }
            assertTrue(s1 != s2);
            assertTrue(s1.getClass() == s2.getClass());
            assertTrue(s1.equals(s2));
        }

    }