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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.simple.internal;
18  
19  import org.junit.Assert;
20  import org.junit.Test;
21  
22  /**
23   * Tests for the {@link ByteArray2LongArray} converter.
24   */
25  public class ByteArray2LongArrayTest {
26      @Test
27      public void testSeedSizeIsMultipleOfLongSize() {
28          final byte[] seed = new byte[128];
29          final long[] out = new ByteArray2LongArray().convert(seed);
30          Assert.assertEquals(16, out.length);
31      }
32  
33      @Test
34      public void testSeedSizeIsNotMultipleOfLongSize() {
35          final int len = 16;
36          final ByteArray2LongArray conv = new ByteArray2LongArray();
37          for (int i = 1; i < 8; i++) {
38              final byte[] seed = new byte[len + i];
39              final long[] out = conv.convert(seed);
40              Assert.assertEquals(3, out.length);
41          }
42      }
43  }