/*
 * 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;

import static java.lang.String.format;
import static io.jenetics.stat.StatisticsAssert.assertUniformDistribution;
import static io.jenetics.util.RandomRegistry.using;

import java.util.Random;

import org.testng.Assert;
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;

import io.jenetics.stat.Histogram;
import io.jenetics.stat.MinMax;
import io.jenetics.util.DoubleRange;
import io.jenetics.util.IntRange;

/**
 * @author <a href="mailto:franz.wilhelmstoetter@gmail.com">Franz Wilhelmstötter</a>
 */
public class DoubleChromosomeTest
	extends NumericChromosomeTester<Double, DoubleGene>
{

	private final DoubleChromosome _factory = DoubleChromosome.of(
		0.0, Double.MAX_VALUE, 500
	);

	@Override
	protected DoubleChromosome factory() {
		return _factory;
	}

	@Test(invocationCount = 20, successPercentage = 95)
	public void newInstanceDistribution() {
		using(new Random(12345), r -> {
			final double min = 0;
			final double max = 100;


			final MinMax<Double> mm = MinMax.of();
			final Histogram<Double> histogram = Histogram.ofDouble(min, max, 10);

			for (int i = 0; i < 1000; ++i) {
				final DoubleChromosome chromosome = DoubleChromosome.of(min, max, 500);
				for (DoubleGene gene : chromosome) {
					mm.accept(gene.getAllele());
					histogram.accept(gene.getAllele());
				}
			}

			Assert.assertTrue(mm.getMin().compareTo(0.0) >= 0);
			Assert.assertTrue(mm.getMax().compareTo(100.0) <= 100);
			assertUniformDistribution(histogram);
		});
	}

	@Test(dataProvider = "chromosomes")
	public void chromosomeLength(
		final DoubleChromosome dc,
		final IntRange length
	) {
		Assert.assertTrue(
			dc.length() >= length.getMin() && dc.length() < length.getMax(),
			format("Chromosome length %s not in range %s.", dc.length(), length)
		);
	}

	@DataProvider(name = "chromosomes")
	public Object[][] chromosomes() {
		return new Object[][] {
			{DoubleChromosome.of(0, 1), IntRange.of(1)},
			{DoubleChromosome.of(DoubleRange.of(0, 1)), IntRange.of(1)},
			{DoubleChromosome.of(0, 1, 1), IntRange.of(1)},
			{DoubleChromosome.of(0, 1, 2), IntRange.of(2)},
			{DoubleChromosome.of(0, 1, 20), IntRange.of(20)},
			{DoubleChromosome.of(0, 1, IntRange.of(2, 10)), IntRange.of(2, 10)},
			{DoubleChromosome.of(DoubleRange.of(0, 1), IntRange.of(2, 10)), IntRange.of(2, 10)}
		};
	}

}

@@ -3086,10 +3086,412 @@
 %09%7D;%0A%09%7D%0A%0A
+%09@Test%0A%09public void doubleStream() %7B%0A%09%09final DoubleChromosome chromosome = DoubleChromosome.of(0, 1, 1000);%0A%09%09final double%5B%5D values = chromosome.doubleStream().toArray();%0A%0A%09%09Assert.assertEquals(values.length, 1000);%0A%09%09for (int i = 0; i %3C values.length; ++i) %7B%0A%09%09%09Assert.assertEquals(chromosome.getGene(i).doubleValue(), values%5Bi%5D);%0A%09%09%09Assert.assertEquals(chromosome.doubleValue(i), values%5Bi%5D);%0A%09%09%7D%0A%09%7D%0A%0A
 %7D%0A

Add test for 'DoubleChromosome.doubleStreaam()' method.