//=============================================================================
// Copyright 2006-2010 Daniel W. Dyer
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//=============================================================================
package org.uncommons.watchmaker.examples.biomorphs;
import java.util.Arrays;
import org.testng.annotations.Test;
/**
* Some basic sanity checks for the {@link Biomorph} type used in the
* interactive evolution example program.
* @author Daniel Dyer
*/
public class BiomorphTest
{
@Test(expectedExceptions = IllegalArgumentException.class)
public void testInsufficientGenes()
{
new Biomorph(new int[Biomorph.GENE_COUNT - 1]);
}
@Test(expectedExceptions = IllegalArgumentException.class)
public void testTooManyGenes()
{
new Biomorph(new int[Biomorph.GENE_COUNT + 1]);
}
@Test
public void testEquality()
{
Biomorph biomorph1 = new Biomorph(new int[Biomorph.GENE_COUNT]);
Biomorph biomorph2 = new Biomorph(new int[Biomorph.GENE_COUNT]);
int[] genes = new int[Biomorph.GENE_COUNT];
Arrays.fill(genes, 2);
Biomorph biomorph3 = new Biomorph(genes);
assert biomorph1.equals(biomorph1) : "Equality must be reflexive.";
assert biomorph1.equals(biomorph2) : "Biomorphs with identical genes should be considered equal.";
assert biomorph2.equals(biomorph1) : "Equality must be reflective.";
assert biomorph1.hashCode() == biomorph2.hashCode() : "Equal objects must have identical hash codes.";
assert !biomorph1.equals(biomorph3) : "Biomorphs with different genes should not be considered equal.";
assert !biomorph1.equals(null) : "No object should be considered equal to a null reference.";
assert !biomorph3.equals(genes) : "Biomorphs should not be considered equal to objects of different types.";
}
}