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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.apache.commons.rng.core.source32;
18  
19  import java.util.Random;
20  
21  import org.junit.Assert;
22  import org.junit.Test;
23  
24  public class JDKRandomTest {
25      @Test
26      public void testReferenceCode() {
27          final long refSeed = -1357111213L;
28          final JDKRandom rng = new JDKRandom(refSeed);
29          final Random jdk = new Random(refSeed);
30  
31          // This is a trivial test since "JDKRandom" delegates to "Random".
32  
33          final int numRepeats = 1000;
34          for (int r = 0; r < numRepeats; r++) {
35              Assert.assertEquals(r + " nextInt", jdk.nextInt(), rng.nextInt());
36          }
37      }
38  }