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ExecutorEvaluatorTest.java
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ExecutorEvaluatorTest.java
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/*
* Java Genetic Algorithm Library (@__identifier__@).
* Copyright (c) @__year__@ Franz Wilhelmstötter
*
* 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.
*
* Author:
* Franz Wilhelmstötter (franz.wilhelmstoetter@gmail.com)
*/
package io.jenetics.internal.concurrent;
import org.testng.Assert;
import org.testng.annotations.Test;
import io.jenetics.DoubleChromosome;
import io.jenetics.DoubleGene;
import io.jenetics.Genotype;
import io.jenetics.Phenotype;
import io.jenetics.engine.Evaluator;
import io.jenetics.util.ISeq;
/**
* @author <a href="mailto:franz.wilhelmstoetter@gmail.com">Franz Wilhelmstötter</a>
*/
public class ExecutorEvaluatorTest {
@Test
public void evaluateSerial() {
final ISeq<Phenotype<DoubleGene, Double>> phenotypes =
Genotype.of(DoubleChromosome.of(0, 1)).instances()
.limit(100)
.map(gt -> Phenotype.<DoubleGene, Double>of(gt, 1))
.collect(ISeq.toISeq());
phenotypes.forEach(pt -> Assert.assertTrue(pt.nonEvaluated()));
final Evaluator<DoubleGene, Double> evaluator =
new ExecutorEvaluator<>(gt -> gt.gene().doubleValue(), Runnable::run);
final ISeq<Phenotype<DoubleGene, Double>> evaluated = evaluator.eval(phenotypes);
evaluated.forEach(pt -> Assert.assertEquals(pt.genotype().gene().allele(), pt.fitness()));
}
}