content: /* ========================================================================
   * JCommon : a free general purpose class library for the Java(tm) platform
   * ========================================================================
   *
   * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
   * 
   * Project Info:  http://www.jfree.org/jcommon/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.]
   * 
   * -------------------------
   * RectangleInsetsTests.java
   * -------------------------
   * (C) Copyright 2004, 2005, by Object Refinery Limited and Contributors.
   *
   * Original Author:  David Gilbert (for Object Refinery Limited);
   * Contributor(s):   -;
   *
   * $Id: RectangleInsetsTests.java,v 1.7 2007/11/02 17:50:37 taqua Exp $
   *
   * Changes
   * -------
   * 14-Jun-2004 : Version 1 (DG);
   * 03-May-2005 : Fixed tests for changes to RectangleInsets constructor (DG);
   *
   */
  
  package org.jfree.ui.junit;
  
  import java.awt.geom.Rectangle2D;
  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.ui.LengthAdjustmentType;
  import org.jfree.ui.RectangleInsets;
  import org.jfree.util.UnitType;
  
  /**
   * Tests for the {@link RectangleInsets} class.
   */
  public class RectangleInsetsTests extends TestCase {
  
      /**
       * Returns the tests as a test suite.
       *
       * @return The test suite.
       */
      public static Test suite() {
          return new TestSuite(RectangleInsetsTests.class);
      }
  
      /**
       * Constructs a new set of tests.
       *
       * @param name  the name of the tests.
       */
      public RectangleInsetsTests(final String name) {
          super(name);
      }
      
      /**
       * Some checks for the createAdjustedRectangle() method.
       */
      public void testCreateAdjustedRectangleAbsolute() {
          
          RectangleInsets i1 = new RectangleInsets(
              UnitType.ABSOLUTE, 1.0, 2.0, 3.0, 4.0
          );
          Rectangle2D base = new Rectangle2D.Double(10.0, 20.0, 30.0, 40.0);
          
          // no adjustment
          Rectangle2D adjusted = i1.createAdjustedRectangle(
              base, LengthAdjustmentType.NO_CHANGE, LengthAdjustmentType.NO_CHANGE
          );
          assertEquals(new Rectangle2D.Double(10.0, 20.0, 30.0, 40.0), adjusted);
          
          // expand height
          adjusted = i1.createAdjustedRectangle(
              base, LengthAdjustmentType.NO_CHANGE, LengthAdjustmentType.EXPAND
          );
          assertEquals(new Rectangle2D.Double(10.0, 19.0, 30.0, 44.0), adjusted);
          
          // contract height
          adjusted = i1.createAdjustedRectangle(
              base, LengthAdjustmentType.NO_CHANGE, LengthAdjustmentType.CONTRACT
          );
          assertEquals(new Rectangle2D.Double(10.0, 21.0, 30.0, 36.0), adjusted);
              
          // expand width
          adjusted = i1.createAdjustedRectangle(
              base, LengthAdjustmentType.EXPAND, LengthAdjustmentType.NO_CHANGE
          );
          assertEquals(new Rectangle2D.Double(8.0, 20.0, 36.0, 40.0), adjusted);
              
          // contract width
          adjusted = i1.createAdjustedRectangle(
              base, LengthAdjustmentType.CONTRACT, LengthAdjustmentType.NO_CHANGE
          );  
          assertEquals(new Rectangle2D.Double(12.0, 20.0, 24.0, 40.0), adjusted);
          
          // expand both
          adjusted = i1.createAdjustedRectangle(
              base, LengthAdjustmentType.EXPAND, LengthAdjustmentType.EXPAND
          );
          assertEquals(new Rectangle2D.Double(8.0, 19.0, 36.0, 44.0), adjusted);
              
          // expand width contract height
          adjusted = i1.createAdjustedRectangle(
              base, LengthAdjustmentType.EXPAND, LengthAdjustmentType.CONTRACT
          );    
          assertEquals(new Rectangle2D.Double(8.0, 21.0, 36.0, 36.0), adjusted);
          
          // contract both
          adjusted = i1.createAdjustedRectangle(
              base, LengthAdjustmentType.CONTRACT, LengthAdjustmentType.CONTRACT
          );
          assertEquals(new Rectangle2D.Double(12.0, 21.0, 24.0, 36.0), adjusted);
          
          // contract width expand height
          adjusted = i1.createAdjustedRectangle(
              base, LengthAdjustmentType.CONTRACT, LengthAdjustmentType.EXPAND
          );
          assertEquals(new Rectangle2D.Double(12.0, 19.0, 24.0, 44.0), adjusted);
          
      }
      
      private static final double EPSILON = 0.0000001;
      
      /**
       * Some checks for the createAdjustedRectangle() method.
       */
      public void testCreateAdjustedRectangleRelative() {
          
          RectangleInsets i1 = new RectangleInsets(
              UnitType.RELATIVE, 0.04, 0.03, 0.02, 0.01
          );
          Rectangle2D base = new Rectangle2D.Double(10.0, 20.0, 30.0, 40.0);
          
          // no adjustment
          Rectangle2D adjusted = i1.createAdjustedRectangle(
              base, LengthAdjustmentType.NO_CHANGE, LengthAdjustmentType.NO_CHANGE
          );
          assertEquals(new Rectangle2D.Double(10.0, 20.0, 30.0, 40.0), adjusted);
          
          // expand height
          adjusted = i1.createAdjustedRectangle(
              base, LengthAdjustmentType.NO_CHANGE, LengthAdjustmentType.EXPAND
          );
          assertEquals(10.0, adjusted.getX(), EPSILON);
          assertEquals(18.2978723404, adjusted.getY(), EPSILON);
          assertEquals(30.0, adjusted.getWidth(), EPSILON);
          assertEquals(42.553191489, adjusted.getHeight(), EPSILON);
          
          // contract height
          adjusted = i1.createAdjustedRectangle(
              base, LengthAdjustmentType.NO_CHANGE, LengthAdjustmentType.CONTRACT
          );
          assertEquals(10.0, adjusted.getX(), EPSILON);
          assertEquals(21.6, adjusted.getY(), EPSILON);
          assertEquals(30.0, adjusted.getWidth(), EPSILON);
          assertEquals(37.6, adjusted.getHeight(), EPSILON);
              
          // expand width
          adjusted = i1.createAdjustedRectangle(
              base, LengthAdjustmentType.EXPAND, LengthAdjustmentType.NO_CHANGE
          );
          assertEquals(9.0625, adjusted.getX(), EPSILON);
          assertEquals(20.0, adjusted.getY(), EPSILON);
          assertEquals(31.25, adjusted.getWidth(), EPSILON);
          assertEquals(40.0, adjusted.getHeight(), EPSILON);
              
          // contract width
          adjusted = i1.createAdjustedRectangle(
              base, LengthAdjustmentType.CONTRACT, LengthAdjustmentType.NO_CHANGE
          );  
          assertEquals(10.9, adjusted.getX(), EPSILON);
          assertEquals(20.0, adjusted.getY(), EPSILON);
          assertEquals(28.8, adjusted.getWidth(), EPSILON);
          assertEquals(40.0, adjusted.getHeight(), EPSILON);
          
          // expand both
          adjusted = i1.createAdjustedRectangle(
              base, LengthAdjustmentType.EXPAND, LengthAdjustmentType.EXPAND
          );
          assertEquals(9.0625, adjusted.getX(), EPSILON);
          assertEquals(18.2978723404, adjusted.getY(), EPSILON);
          assertEquals(31.25, adjusted.getWidth(), EPSILON);
          assertEquals(42.553191489, adjusted.getHeight(), EPSILON);
              
          // expand width contract height
          adjusted = i1.createAdjustedRectangle(
              base, LengthAdjustmentType.EXPAND, LengthAdjustmentType.CONTRACT
          );    
          assertEquals(9.0625, adjusted.getX(), EPSILON);
          assertEquals(21.6, adjusted.getY(), EPSILON);
          assertEquals(31.25, adjusted.getWidth(), EPSILON);
          assertEquals(37.6, adjusted.getHeight(), EPSILON);
          
          // contract both
          adjusted = i1.createAdjustedRectangle(
              base, LengthAdjustmentType.CONTRACT, LengthAdjustmentType.CONTRACT
          );
          assertEquals(10.9, adjusted.getX(), EPSILON);
          assertEquals(21.6, adjusted.getY(), EPSILON);
          assertEquals(28.8, adjusted.getWidth(), EPSILON);
          assertEquals(37.6, adjusted.getHeight(), EPSILON);
          
          // contract width expand height
          adjusted = i1.createAdjustedRectangle(
              base, LengthAdjustmentType.CONTRACT, LengthAdjustmentType.EXPAND
          );
          assertEquals(10.9, adjusted.getX(), EPSILON);
          assertEquals(18.2978723404, adjusted.getY(), EPSILON);
          assertEquals(28.8, adjusted.getWidth(), EPSILON);
          assertEquals(42.553191489, adjusted.getHeight(), EPSILON);
          
      }
  
      /**
       * Test the equals() method.
       */
      public void testEquals() {
          RectangleInsets i1 = new RectangleInsets(
              UnitType.ABSOLUTE, 1.0, 2.0, 3.0, 4.0
          );
          RectangleInsets i2 = new RectangleInsets(
              UnitType.ABSOLUTE, 1.0, 2.0, 3.0, 4.0
          );
          assertTrue(i1.equals(i2));
          assertTrue(i2.equals(i1));
          
          i1 = new RectangleInsets(UnitType.RELATIVE, 1.0, 2.0, 3.0, 4.0);
          assertFalse(i1.equals(i2));
          i2 = new RectangleInsets(UnitType.RELATIVE, 1.0, 2.0, 3.0, 4.0);
          assertTrue(i1.equals(i2));
  
          i1 = new RectangleInsets(UnitType.RELATIVE, 0.0, 2.0, 3.0, 4.0);
          assertFalse(i1.equals(i2));
          i2 = new RectangleInsets(UnitType.RELATIVE, 0.0, 2.0, 3.0, 4.0);
          assertTrue(i1.equals(i2));
          
          i1 = new RectangleInsets(UnitType.RELATIVE, 0.0, 0.0, 3.0, 4.0);
          assertFalse(i1.equals(i2));
          i2 = new RectangleInsets(UnitType.RELATIVE, 0.0, 0.0, 3.0, 4.0);
          assertTrue(i1.equals(i2));
          
          i1 = new RectangleInsets(UnitType.RELATIVE, 0.0, 0.0, 0.0, 4.0);
          assertFalse(i1.equals(i2));
          i2 = new RectangleInsets(UnitType.RELATIVE, 0.0, 0.0, 0.0, 4.0);
          assertTrue(i1.equals(i2));
          
          i1 = new RectangleInsets(UnitType.RELATIVE, 0.0, 0.0, 0.0, 0.0);
          assertFalse(i1.equals(i2));
          i2 = new RectangleInsets(UnitType.RELATIVE, 0.0, 0.0, 0.0, 0.0);
          assertTrue(i1.equals(i2));
          
      }
      
      /**
       * Serialize an instance, restore it, and check for identity.
       */
      public void testSerialization() {
          final RectangleInsets i1 = new RectangleInsets(
              UnitType.ABSOLUTE, 1.0, 2.0, 3.0, 4.0
          );
          RectangleInsets i2 = null;
          try {
              final ByteArrayOutputStream buffer = new ByteArrayOutputStream();
              final ObjectOutput out = new ObjectOutputStream(buffer);
              out.writeObject(i1);
              out.close();
  
              final ObjectInput in = new ObjectInputStream(
                  new ByteArrayInputStream(buffer.toByteArray())
              );
              i2 = (RectangleInsets) in.readObject();
              in.close();
          }
          catch (Exception e) {
              System.out.println(e.toString());
          }
          assertTrue(i1.equals(i2)); 
      }
      
      /**
       * Runs the test suite using the JUnit text-based runner.
       * 
       * @param args  ignored.
       */
      public static void main(String[] args) {
          junit.textui.TestRunner.run(suite());
      }
  
  }
  