booleangenetest.java

java实现的遗传算法

/*
 * This file is part of JGAP.
 *
 * JGAP offers a dual license model containing the LGPL as well as the MPL.
 *
 * For licencing information please see the file license.txt included with JGAP
 * or have a look at the top of class org.jgap.Chromosome which representatively
 * includes the JGAP license policy applicable for any file delivered with JGAP.
 */
package org.jgap.impl;

import org.jgap.*;
import junit.framework.*;

/**
 * Tests the BooleanGene class
 *
 * @author Klaus Meffert
 * @since 1.1
 */
public class BooleanGeneTest
    extends JGAPTestCase {
  /** String containing the CVS revision. Read out via reflection!*/
  private final static String CVS_REVISION = "$Revision: 1.16 $";

  public static Test suite() {
    TestSuite suite = new TestSuite(BooleanGeneTest.class);
    return suite;
  }

  public void testConstruct_0() {
    Gene gene = new BooleanGene();
    //following should be possible without exception
    gene.setAllele(new Boolean(true));
    gene.setAllele(new Boolean(false));
  }

  /**
   * @author Klaus Meffert
   * @since 2.4
   */
  public void testConstruct_1() {
    BooleanGene gene = new BooleanGene(true);
    assertEquals(true, gene.booleanValue());
    gene = new BooleanGene(false);
    assertEquals(false, gene.booleanValue());
  }

  /**
   * @author Klaus Meffert
   * @since 2.4
   */
  public void testConstruct_2() {
    BooleanGene gene = new BooleanGene(new Boolean(true));
    assertEquals(true, gene.booleanValue());
    gene = new BooleanGene(new Boolean(false));
    assertEquals(false, gene.booleanValue());
  }

  /**
   * @author Klaus Meffert
   * @since 2.4
   */
  public void testConstruct_3() {
    try {
      BooleanGene gene = new BooleanGene(null);
      fail();
    }catch (IllegalArgumentException iex) {
      ;//this is OK
    }
  }

  public void testToString_0() {
    Gene gene = new BooleanGene();
    gene.setAllele(new Boolean(true));
    assertEquals("BooleanGene=true", gene.toString());
  }

  public void testToString_1() {
    Gene gene = new BooleanGene();
    gene.setAllele(new Boolean(false));
    assertEquals("BooleanGene=false", gene.toString());
  }

  /**
   * @author Klaus Meffert
   * @since 2.4
   */
  public void testToString_2() {
    Gene gene = new BooleanGene(true);
    assertEquals("BooleanGene=true", gene.toString());
  }

  public void testGetAllele_0() {
    Gene gene = new BooleanGene();
    gene.setAllele(new Boolean(true));
    assertEquals(new Boolean(true), gene.getAllele());
  }

  public void testGetAllele_1() {
    Gene gene = new BooleanGene();
    gene.setAllele(new Boolean(false));
    assertEquals(new Boolean(false), gene.getAllele());
  }

  public void testGetAllele_2() {
    Gene gene = new BooleanGene();
    try {
      gene.setAllele(new Integer(100));
      fail();
    }
    catch (ClassCastException classex) {
      ; //this is OK
    }
  }

  public void testEquals_0() {
    Gene gene1 = new BooleanGene();
    Gene gene2 = new BooleanGene();
    assertTrue(gene1.equals(gene2));
  }

  public void testEquals_1() {
    Gene gene1 = new BooleanGene();
    assertFalse(gene1.equals(null));
  }

  public void testEquals_2() {
    Gene gene1 = new BooleanGene();
    gene1.setAllele(new Boolean(true));
    Gene gene2 = new BooleanGene();
    gene2.setAllele(new Boolean(false));
    assertFalse(gene1.equals(gene2));
    assertFalse(gene2.equals(gene1));
  }

  public void testEquals_3() {
    Gene gene1 = new BooleanGene();
    assertFalse(gene1.equals(new IntegerGene()));
  }

  public void testEquals_4() {
    Gene gene1 = new BooleanGene();
    Gene gene2 = new IntegerGene();
    assertFalse(gene1.equals(gene2));
    assertFalse(gene2.equals(gene1));
  }

  public void testEquals_5() {
    Gene gene1 = new BooleanGene();
    Gene gene2 = new FixedBinaryGene(1);
    assertFalse(gene1.equals(gene2));
    assertFalse(gene2.equals(gene1));
  }

  public void testBooleanValue_0() {
    BooleanGene gene1 = new BooleanGene();
    gene1.setAllele(new Boolean(true));
    assertEquals(true, gene1.booleanValue());
  }

  public void testBooleanValue_1() {
    BooleanGene gene1 = new BooleanGene();
    gene1.setAllele(new Boolean(false));
    assertEquals(false, gene1.booleanValue());
  }

  public void testBooleanValue_2() {
    BooleanGene gene1 = new BooleanGene();
    gene1.setAllele(null);
    try {
      assertEquals(true, gene1.booleanValue());
      fail();
    }
    catch (NullPointerException nullex) {
      ; //this is OK
    }
  }

  /**
   * Set Allele to null, no exception should occur
   */
  public void testSetAllele_0() {
    Gene gene1 = new BooleanGene();
    gene1.setAllele(null);
  }

  public void testSetAllele_1() {
    Gene gene1 = new BooleanGene();
    try {
      gene1.setAllele("22");
      fail();
    }
    catch (ClassCastException classex) {
      ; //this is OK
    }
  }

  /**
   * Set Allele to boolean value, no exception should occur
   */
  public void testSetAllele_2() {
    Gene gene1 = new BooleanGene();
    gene1.setAllele(new Boolean(true));
  }

  /**
   * Set Allele to boolean value, no exception should occur
   */
  public void testSetAllele_3() {
    Gene gene1 = new BooleanGene();
    gene1.setAllele(new Boolean(false));
  }

  public void testCompareTo_0() {
    Gene gene1 = new BooleanGene();
    assertEquals(1, gene1.compareTo(null));
  }

  public void testCompareTo_1() {
    Gene gene1 = new BooleanGene();
    Gene gene2 = new BooleanGene();
    assertEquals(0, gene1.compareTo(gene2));
    assertEquals(0, gene2.compareTo(gene1));
  }

  public void testCompareTo_2() {
    Gene gene1 = new BooleanGene();
    gene1.setAllele(new Boolean(true));
    Gene gene2 = new BooleanGene();
    gene2.setAllele(new Boolean(true));
    assertEquals(0, gene1.compareTo(gene2));
    assertEquals(0, gene2.compareTo(gene1));
    gene1.setAllele(new Boolean(false));
    gene2.setAllele(new Boolean(false));
    assertEquals(0, gene1.compareTo(gene2));
    assertEquals(0, gene2.compareTo(gene1));
  }

  public void testCompareTo_3() {
    Gene gene1 = new BooleanGene();
    gene1.setAllele(new Boolean(true));
    Gene gene2 = new BooleanGene();
    gene2.setAllele(new Boolean(false));
    assertEquals(1, gene1.compareTo(gene2));
    assertEquals( -1, gene2.compareTo(gene1));
  }

  /**
   * @author Klaus Meffert
   * @since 2.2
   */
  public void testCompareTo_4() {
    Gene gene1 = new BooleanGene();
    gene1.setAllele(new Boolean(true));
    Gene gene2 = new BooleanGene();
    assertEquals(1, gene1.compareTo(gene2));
    assertEquals( -1, gene2.compareTo(gene1));
  }

  /**
   * @author Klaus Meffert
   * @since 2.2
   */
  public void testCompareTo_5() {
    Gene gene1 = new BooleanGene();
    Gene gene2 = new BooleanGene();
    assertEquals(0, gene1.compareTo(gene2));
    assertEquals(0, gene1.compareTo(gene2));
  }

  /**
   * @author Klaus Meffert
   */
  public void testApplyMutation_0() {
    BooleanGene gene = new BooleanGene();
    gene.setAllele(new Boolean(true));
    gene.applyMutation(0, 0.0d);
    assertEquals(true, gene.booleanValue());
  }

  /**
   * @author Klaus Meffert
   */
  public void testApplyMutation_1() {
    BooleanGene gene = new BooleanGene();
    gene.setAllele(new Boolean(true));
    gene.applyMutation(1, 0.000001d); //index 1 should be ignored
    assertEquals(true, gene.booleanValue());
  }

  /**
   * @author Klaus Meffert
   */
  public void testApplyMutation_2() {
    BooleanGene gene = new BooleanGene();
    gene.setAllele(new Boolean(true));
    gene.applyMutation(333, -0.000001d); //index 333 should be ignored
    assertEquals(false, gene.booleanValue());
  }

  /**
   * @author Klaus Meffert
   */
  public void testApplyMutation_3() {
    BooleanGene gene = new BooleanGene();
    gene.setAllele(new Boolean(true));
    gene.applyMutation(0, -1.0d);
    assertEquals(false, gene.booleanValue());
  }

  /**
   * @author Klaus Meffert
   */
  public void testApplyMutation_4() {
    BooleanGene gene = new BooleanGene();
    gene.setAllele(new Boolean(true));
    gene.applyMutation(0, -2.0d);
    assertEquals(false, gene.booleanValue());
  }

  /**
   * @author Klaus Meffert
   */
  public void testApplyMutation_5() {
    BooleanGene gene = new BooleanGene();
    gene.setAllele(new Boolean(true));
    gene.applyMutation(0, 2.0d);
    assertEquals(true, gene.booleanValue());
  }

  /**
   * @author Klaus Meffert
   */
  public void testApplyMutation_6() {
    BooleanGene gene = new BooleanGene();
    gene.setAllele(new Boolean(false));
    gene.applyMutation(0, 2.0d);
    assertEquals(true, gene.booleanValue());
  }

  /**
   * @author Klaus Meffert
   */
  public void testApplyMutation_7() {
    BooleanGene gene = new BooleanGene();
    gene.setAllele(new Boolean(false));
    gene.applyMutation(0, -1.0d);
    assertEquals(false, gene.booleanValue());
  }

  /**
   * @author Klaus Meffert
   */
  public void testApplyMutation_8() {
    BooleanGene gene = new BooleanGene();
    gene.setAllele(new Boolean(false));
    gene.applyMutation(22, -0.5d); //22 should be ignored
    assertEquals(false, gene.booleanValue());
  }

  /**
   * @author Klaus Meffert
   */
  public void testApplyMutation_9() {
    BooleanGene gene = new BooleanGene();
    gene.setAllele(new Boolean(false));
    gene.applyMutation(22, 0.5d); //22 should be ignored
    assertEquals(true, gene.booleanValue());
  }

  /**
   * @author Klaus Meffert
   * @since 2.2
   */
  public void testApplyMutation_10() {
    BooleanGene gene = new BooleanGene();
    gene.applyMutation(0, 0.0d);
    assertEquals(false, gene.booleanValue());
  }

  /**
   * @author Klaus Meffert
   * @since 2.0
   */
  public void testSetValueFromPersistentRepresentation_0() {
    BooleanGene gene = new BooleanGene();
    try {
      gene.setValueFromPersistentRepresentation(null);
      fail();
    }
    catch (UnsupportedRepresentationException uex) {
      ; //this is OK
    }
  }

  /**
   * @throws Exception
   * @author Klaus Meffert
   * @since 2.0
   */
  public void testSetValueFromPersistentRepresentation_1()
      throws Exception {
    BooleanGene gene = new BooleanGene();
    gene.setValueFromPersistentRepresentation("null");
    assertEquals(null, gene.getAllele());
  }

  /**
   * @throws Exception
   * @author Klaus Meffert
   * @since 2.0
   */
  public void testSetValueFromPersistentRepresentation_2()
      throws Exception {
    BooleanGene gene = new BooleanGene();
    gene.setValueFromPersistentRepresentation("true");
    assertEquals(Boolean.TRUE, gene.getAllele());
  }

  /**
   * @throws Exception
   * @author Klaus Meffert
   * @since 2.0
   */
  public void testSetValueFromPersistentRepresentation_3()
      throws Exception {
    BooleanGene gene = new BooleanGene();
    gene.setValueFromPersistentRepresentation("false");
    assertEquals(Boolean.FALSE, gene.getAllele());
  }

  /**
   * @author Klaus Meffert
   * @since 2.0
   */
  public void testSetValueFromPersistentRepresentation_4() {
    BooleanGene gene = new BooleanGene();
    try {
      gene.setValueFromPersistentRepresentation("True");
      fail();
    }
    catch (UnsupportedRepresentationException uex) {
      ; //this is OK
    }
  }

  /**
   * @author Klaus Meffert
   * @since 2.0
   */
  public void testSetValueFromPersistentRepresentation_5() {
    BooleanGene gene = new BooleanGene();
    try {
      gene.setValueFromPersistentRepresentation("False");
      fail();
    }
    catch (UnsupportedRepresentationException uex) {
      ; //this is OK
    }
  }

  /**
   * @author Klaus Meffert
   * @since 2.0
   */
  public void testSetValueFromPersistentRepresentation_6() {
    BooleanGene gene = new BooleanGene();
    try {
      gene.setValueFromPersistentRepresentation("X");
      fail();
    }
    catch (UnsupportedRepresentationException uex) {
      ; //this is OK
    }
  }

  /**
   * @author Klaus Meffert
   */
  public void testGetPersistentRepresentation_0() {
    BooleanGene gene = new BooleanGene();
    gene.setAllele(new Boolean(true));
    String s = gene.getPersistentRepresentation();
    assertEquals("true", s);
  }

  /**
   * @author Klaus Meffert
   */
  public void testGetPersistentRepresentation_1() {
    BooleanGene gene = new BooleanGene();
    gene.setAllele(new Boolean(false));
    String s = gene.getPersistentRepresentation();
    assertEquals("false", s);
  }

  /**
   * @author Klaus Meffert
   */
  public void testGetPersistentRepresentation_2() {
    BooleanGene gene = new BooleanGene();
    String s = gene.getPersistentRepresentation();
    assertEquals("null", s);
  }

  /**
   * @author Klaus Meffert
   * @since 2.2
   */
  public void testHashCode_0() {
    BooleanGene gene = new BooleanGene();
    assertEquals( -2, gene.hashCode());
  }

  /**
   * @author Klaus Meffert
   * @since 2.4
   */
  public void testSetEnergy_0() {
    BaseGene gene = new BooleanGene();
    assertEquals(0.0, gene.getEnergy(), DELTA);
  }

  /**
   * @author Klaus Meffert
   * @since 2.4
   */
  public void testSetEnergy_1() {
    BaseGene gene = new BooleanGene();
    gene.setEnergy(2.3);
    assertEquals(2.3, gene.getEnergy(), DELTA);
    gene.setEnergy(-55.8);
    assertEquals(-55.8, gene.getEnergy(), DELTA);
    gene.setEnergy(0.5);
    gene.setEnergy(0.8);
    assertEquals(0.8, gene.getEnergy(), DELTA);
  }
}