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
18 package org.apache.commons.rng.core.source32;
19
20 import org.apache.commons.rng.core.RandomAssert;
21 import org.junit.jupiter.api.Test;
22
23 class DotyHumphreySmallFastCounting32Test {
24 @Test
25 void testReferenceCode() {
26 /*
27 * Tested with respect to PractRand::RNGs::Raw::sfc32 of the C++ implementation (v0.94).
28 * See : http://pracrand.sourceforge.net/
29 */
30 final int[] expectedSequence = {
31 0x89b5c414, 0x7ee57639, 0xdbe18f7b, 0x94aa0162,
32 0xa22bff0a, 0x21c91fb8, 0x2c6fd6fe, 0xcda90d13,
33 0x019684ca, 0xe5b400c0, 0x459d8590, 0x3aec0a1e,
34 0x254dac77, 0xbe10ae80, 0x9ac27819, 0xd17d10c6,
35 0x71a69026, 0x4bb2bdda, 0x70853646, 0xda28f272,
36 0x879200d9, 0x8c2f8b5b, 0x8a87cb78, 0x27ffdced,
37 0x988a2b7b, 0xf220ef9b, 0x13b8984f, 0x345d1732,
38 0x8f5bc6fc, 0x092b09ff, 0x046bd2b0, 0xa5a99fc5,
39 0x19400604, 0xb76e7394, 0x037addd5, 0xe916ed79,
40 0x94f10dc6, 0xf2ecb45e, 0x69834355, 0xb814aeb2,
41 };
42 RandomAssert.assertEquals(expectedSequence, new DotyHumphreySmallFastCounting32(new int[] {
43 0xbb3c4104, 0x02294965, 0xda1ce2a9
44 }));
45 }
46 }