LazyTest.java

/*
 * 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@gmx.at)
 */
package org.jenetics.internal.util;

import java.io.Serializable;
import java.util.Random;
import java.util.function.Supplier;

import org.testng.annotations.Test;

import org.jenetics.util.Factory;
import org.jenetics.util.ObjectTester;
import org.jenetics.util.RandomRegistry;

/**
 * @author <a href="mailto:franz.wilhelmstoetter@gmx.at">Franz Wilhelmstötter</a>
 */
@Test
public class LazyTest extends ObjectTester<Lazy<Double>> {

	@Override
	protected Factory<Lazy<Double>> factory() {
		return () -> {
			final Random random = RandomRegistry.getRandom();
			final Double value = random.nextDouble();

			return Lazy.of((Supplier<Double> & Serializable)() -> value);
		};
	}

}