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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 org.apache.commons.rng.core.RandomAssert;
20  import org.junit.jupiter.api.Assertions;
21  import org.junit.jupiter.api.Test;
22  
23  class MersenneTwisterTest {
24      @Test
25      void testMakotoNishimura() {
26          final MersenneTwister rng = new MersenneTwister(new int[] {0x123, 0x234, 0x345, 0x456});
27  
28          /*
29           * Data from
30           *   http://www.math.sci.hiroshima-u.ac.jp/~m-mat/MT/MT2002/CODES/mt19937ar.out
31           * converted to hexadecimal.
32           */
33          final int[] expectedSequence = {
34              0x3fa23623, 0x38fa935f, 0x1c72dc38, 0xf4cf2f5f, 0xfc110f5c, 0xc75677aa, 0xc802152f, 0x0d9155da,
35              0x304aacd1, 0x9a73f337, 0x989a7a43, 0xc1483a50, 0x268c922d, 0x582fa6ba, 0xfd0cc411, 0x44267b5e,
36              0xe64aeede, 0xbffce512, 0x69b7263d, 0x43df2416, 0x54c06fe4, 0x4bb1636f, 0xaa772159, 0x692b9302,
37              0xe6f6290f, 0xec59faf1, 0x0453050b, 0x8e18c8c2, 0x9afc3045, 0xc0f8369c, 0xa6784b64, 0x2b3baca5,
38              0x241c69b2, 0x102b153e, 0x2aa0204a, 0xc4937ab0, 0x4edada28, 0xfc1a4165, 0x5327669e, 0xdeaa3938,
39              0x7d45d251, 0xde57ac80, 0xafdc0e1a, 0x630eea2f, 0xac9709be, 0x8d4b2277, 0x3bd93aca, 0x85eff969,
40              0x7dd7008b, 0xc0f5f7ef, 0xf354dbb7, 0x0d19a749, 0x9245ad51, 0xdd1bbe7b, 0x31ce56ca, 0x8fc36f3b,
41              0xa307eaa6, 0x2d16123c, 0x81a710e8, 0x6fb0ece0, 0xa4a8ed5d, 0xf81025ee, 0xc7bdb7cc, 0x0acbd297,
42              0xc2e69738, 0x2e414667, 0x8436773b, 0xb2eb0184, 0x6f458090, 0x7f2c9350, 0x0213f68e, 0x470b7a6d,
43              0xb8e983ba, 0xadd68783, 0x3c580a4a, 0x8239e155, 0xfdc2c299, 0xacd2d0b2, 0xe39381d6, 0xb4a5ad7e,
44              0x4c6c3bdd, 0x1908bf3a, 0x8aaa5fe5, 0xa3674b65, 0x4c2d0c3f, 0xdf2ba5a5, 0x1032fcf8, 0x9c8a9da2,
45              0x989f1b17, 0xb62684e4, 0xfc56810e, 0x4937dc5d, 0xd6502fba, 0x403fad7e, 0x8ecf04fa, 0x6e622af6,
46              0xb3a12932, 0x7735265b, 0xb3397c02, 0x3e92651e, 0x58bca8af, 0xd02046e6, 0x06394b11, 0x91ed9821,
47              0xb75225a3, 0xe6cf1b38, 0x35297ffe, 0xeaa2f3af, 0x8740f423, 0x9cf755ec, 0x3e71ab47, 0x9b3f3b19,
48              0xa17cb981, 0x745c768b, 0x0c5fa06c, 0xa9ddfe32, 0x27fb2a2d, 0x83c11cc4, 0x1be0b4bd, 0x0fadc6d9,
49              0xd4c4cf4b, 0x3e2019a7, 0xe6489797, 0x5746fcb5, 0xa468a4c8, 0xe1f303c8, 0x892aba04, 0xb92617d6,
50              0x0079af91, 0xa6719544, 0x2123c124, 0x250f6867, 0x4ed30865, 0x32e1592c, 0x28f2364b, 0x56bb6094,
51              0x39162749, 0x6b68d894, 0x3ce35fee, 0xcfc8dc4f, 0x71602f12, 0xdc9ae288, 0xf8ef2ed7, 0x6b06d07a,
52              0x216e06f0, 0xdec994b2, 0xbb3a7736, 0x5c9957e9, 0xc8bca92a, 0x2a6955f6, 0x93876aff, 0x0fac9a03,
53              0x0efc4f05, 0xb1a05dc2, 0x6bae0207, 0x39c9d223, 0xd25d4245, 0xa3194800, 0xb20d013e, 0x6249fe2f,
54              0x837f9243, 0xb5af74d1, 0xda4d5e81, 0xbb17131c, 0x9e8e92bc, 0x631fa28c, 0x6c4862df, 0x188d56e3,
55              0xe7b5f3c2, 0x8be50cef, 0x3c846d8b, 0x47bd5cf0, 0x816608b6, 0x99263fac, 0x3082b3dd, 0x41e2e09e,
56              0x554d804b, 0x0d25a3b7, 0xfcf0b24b, 0xf91f82af, 0x9b6ad24b, 0xb83703f9, 0x10d431ab, 0x675e6dc2,
57              0x52f58561, 0x3badef9a, 0x31592d6b, 0x70748fc3, 0xea8cd203, 0x9cdde8aa, 0xe8c41002, 0x0696ec53,
58              0x91e8d6be, 0xdd90041f, 0xc4fb23f3, 0xdee5fd0f, 0xb65694ac, 0x38dba6c3, 0x9a6226c2, 0x4380bf2d,
59              0xe23c29cf, 0xa62df7dd, 0x3a8a7f47, 0xcef7d974, 0x3341ae98, 0x9fcced1f, 0x89117a75, 0x2697345b,
60              0x0dec75a6, 0x243febfb, 0xdbe6ab5d, 0x6e41602c, 0x5fded1ce, 0xec854a95, 0xa0839470, 0xa9fc1f3c,
61              0x0eb51cb9, 0xd58d7944, 0xc6767655, 0xf096123e, 0x3c60b5b2, 0x38abc388, 0xec0546a8, 0x974f331d,
62              0x0b68e0fe, 0x9e7008a7, 0xc3496c73, 0xae81ba8c, 0x499065db, 0x727d51f3, 0xd2c437c1, 0x5b879655,
63              0x822f5cf7, 0xc3525dae, 0x198a3598, 0x8dc3afd0, 0xf1fb2ace, 0xe9470165, 0xa2d922ee, 0x03d634c3,
64              0xdfdafa3a, 0x323cb60d, 0xa8142cc2, 0x8fedaffd, 0x3c344d7e, 0x6da7d412, 0x8faa6de0, 0x091b26b9,
65              0xcfb90648, 0xf4811a08, 0xaa091e50, 0x3472e158, 0x6a650e2e, 0xa3cf7e2f, 0x50c01ec0, 0xc2c67020,
66              0x87402425, 0xb2e34cb9, 0xbd87d91b, 0x3563a6d3, 0x339cf74e, 0xffcc2cf9, 0x05537400, 0x57ae171b,
67              0xf5396a89, 0xbed9b927, 0xaaea3a07, 0x92add60c, 0xd6cec30b, 0x85729ab0, 0xc5326ca8, 0x7b83f953,
68              0xa43ff0cf, 0xe0eea920, 0x65de4954, 0xff454bcb, 0xa3af3b3a, 0xa8d5900a, 0x19d5c121, 0xbd4a89ac,
69              0x019084ae, 0x98130311, 0x0aeba10a, 0xe80fa57c, 0x72ed83fd, 0x4fb367f3, 0xcc63dc6a, 0xc3372454,
70              0x6a37e254, 0xfe2da32c, 0x6fda8ee3, 0xffaf02b4, 0xc027d10e, 0x6709f3e9, 0xf27c7cfe, 0xaaefc51f,
71              0x446a04a8, 0x120d944c, 0x6723ed43, 0x72ab3b17, 0x465e7e94, 0x5d910b0f, 0x0bd96427, 0x216d0655,
72              0x7d9b8ad4, 0xa14a22ac, 0xcd90160a, 0xdb3f890b, 0x2d37dcc3, 0x34b8c67f, 0x1cfd3624, 0x69ca4cc3,
73              0xe756cff2, 0x9d122b27, 0x46667c33, 0x59ee9c5c, 0xbd7b82d1, 0x5f0576e1, 0x499ef4c9, 0x1370277c,
74              0x8954bac1, 0x37da5236, 0xa02eb689, 0xbe47fedc, 0x776ea717, 0x6cb476ac, 0xa47b4a6a, 0x00999efe,
75              0x5b639436, 0xf650de88, 0x04e8fd98, 0x191216d2, 0xceaed09b, 0x204794eb, 0xd2c25028, 0x87bd221d,
76              0xc68852c5, 0xbfaafd1e, 0xf534182b, 0xfaa3297f, 0x80e14a8d, 0xc204c912, 0x84449c0d, 0xb184ee7d,
77              0x0f3f7b53, 0xaa6e3294, 0xb89cbf37, 0x992ad523, 0x6efb1e90, 0xad46858f, 0xa217c69e, 0x3b8123f6,
78              0x9651ad17, 0x8f4c0a9a, 0x0f76fc20, 0x7c62f8c3, 0x6da9dc30, 0x70dd3d5d, 0x96ae2e55, 0x58c655e4,
79              0xaa853035, 0x048e81ea, 0x87002693, 0x2c667e97, 0x9a2f4d5b, 0x52933a95, 0x03f72a82, 0x6c6d501a,
80              0x713505ec, 0x7d0f9784, 0x6aebb0b6, 0x107a7e37, 0x15773151, 0xf90a74da, 0x2377363c, 0x0a8de6de,
81              0xa6e5d5a2, 0x5dca95f2, 0x5c53d917, 0x168ec0cf, 0x570dfc18, 0x4288fe6b, 0xb9833a27, 0xdd1e7904,
82              0x315a4474, 0xd5631e5f, 0x7213cfd6, 0x249938a9, 0xff052817, 0x718eb33c, 0x02b4dec3, 0xc4964842,
83              0x469f5baa, 0xd941297a, 0xe9dded03, 0x60fac145, 0xdb37f217, 0x39cd8ee4, 0x452c33d1, 0x5abe9be8,
84              0x1af69e0d, 0x5b0bd6d7, 0x319ecd5f, 0x3bcd235c, 0x3fdbfa77, 0xac550eb4, 0x3a0a346c, 0xf39919d4,
85              0x6e1f71ee, 0xe832ed0e, 0x84c9d733, 0x60a2537d, 0xabbdd4b3, 0xd598dffd, 0xd13c8592, 0x32a03cc7,
86              0x336e5faf, 0x2f8e590a, 0xaaeec5d4, 0xa8295b34, 0xc30ce8ca, 0xee4c5501, 0x0c77d054, 0x6b982f24,
87              0x00678195, 0xa849138f, 0x2f3dd18e, 0xfe23a88a, 0x2e47871d, 0xe263d69f, 0xaa1419fe, 0xa2b0fa92,
88              0x3fe37d3d, 0x4f37161e, 0x4cd9b682, 0xc65860f6, 0x77e4edc3, 0x04c71a18, 0x36fb25b8, 0x451411f4,
89              0x635fecf1, 0x92b03a64, 0x9b7fd167, 0x171906d3, 0xc76604e6, 0x59257d37, 0xf444dead, 0xbc26a68d,
90              0xd225e427, 0xf675b085, 0x1aa04db0, 0x7f683b77, 0xd79d3278, 0x308425a0, 0x4504d28a, 0xde9ae465,
91              0x64275e5a, 0xbd910789, 0xd13421f7, 0x84ce54b4, 0x3c166b93, 0x1d040e83, 0x337c6ae7, 0xbe1630aa,
92              0x3e9a6e14, 0xe125a856, 0xffce8ca5, 0x324f5b19, 0x5050a29f, 0xa878afad, 0x2c6ee4b4, 0x7a891b36,
93              0xfdeda343, 0x8e420be9, 0xb1a90f55, 0x1aa82dfc, 0x7bd87288, 0x497d36dd, 0xefca266c, 0x536338b5,
94              0xbb314af9, 0x99c64a66, 0xe230edff, 0x35b07a32, 0xac172bc3, 0x66890dcd, 0xc8b7e513, 0x9f14818d,
95              0x38f45e55, 0xe39d2420, 0x41e7b802, 0xe7d097d7, 0x87bde5db, 0xa3b40719, 0x6903a4f1, 0x8fe17270,
96              0xa00bc9ad, 0xfcbd3397, 0x458ad6f3, 0xfb3f1663, 0xb7b4fe23, 0xec0fda7a, 0x6324016b, 0x7c6c5059,
97              0xf81c1522, 0x957286ba, 0x5e27c862, 0x2dbb10a2, 0x39db5731, 0x1d567daa, 0x55ee48f2, 0x4e5e0742,
98              0xc27142ca, 0xcbacae9e, 0x5d1a105a, 0xb37e6bbc, 0x4457de32, 0xc2731190, 0x51f2e26b, 0x616f5ec8,
99              0x4c524088, 0x84eb772e, 0x18fe5f9c, 0xc27be658, 0x025f0b8e, 0x61d91e60, 0x65599112, 0x839a9784,
100             0x9942f04b, 0x907c8596, 0x2e824b62, 0xa1d696d8, 0xca1de87f, 0x09b97e72, 0x89a8b34e, 0x6edda0f8,
101             0x21202673, 0x10b55868, 0x5fa7c76b, 0xa1b56faf, 0x670e4131, 0xd8f5502e, 0x25233991, 0xe43445a3,
102             0xfed6a20a, 0xd19733f7, 0x8bb5db5b, 0x90e132fc, 0x25e17e90, 0xe697ac65, 0x302fda43, 0xb7064f65,
103             0xff3caaf3, 0x7cc369c7, 0x789d0230, 0x5d7fe246, 0xcbfd430c, 0xf66fcdee, 0xb3d37457, 0xc24547aa,
104             0xac23da09, 0xbddb1df4, 0xfdd7d1fb, 0x4b8987b3, 0x3cf260e1, 0x30a24d85, 0x375fb86c, 0xb287e74a,
105             0xc8f1b360, 0xd70e2779, 0x784fa37b, 0x07477485, 0xa787685e, 0x541fbaf2, 0x49d05a21, 0x46bcecac,
106             0xbc1c4443, 0x85b0917e, 0x693c3ac2, 0x10a30d08, 0xff192733, 0x61d88012, 0xe2474eaf, 0x00cbb899,
107             0x062b8b3a, 0x5ff1fcdb, 0x20dde01f, 0x94a3ef59, 0x4e75b597, 0xea677d68, 0xf9b9c06b, 0x1b9ee46c,
108             0xaf1a479a, 0x6e9a7611, 0x9c9284f6, 0x0348a296, 0xe3e3b5ab, 0x2ce8b80a, 0xf11a7efc, 0x4bf1a59c,
109             0x4301a8f0, 0x057c6a80, 0x7ebd7550, 0x1963d609, 0x17064918, 0x9a5e486f, 0x767ada6e, 0xf379835d,
110             0x817d0eed, 0xc8a9fc9f, 0xd6c0e87d, 0x8dc9a94f, 0xacf56951, 0xdd8bd5ee, 0xdd248898, 0x9e286bc3,
111             0xced01226, 0xb88ffe3c, 0xea662cad, 0x9ab07c59, 0x13032ac1, 0xbb873d74, 0x32e0776e, 0x089b5f90,
112             0xe09d5b09, 0x2ea60da1, 0x80cfe80b, 0x21fa1ce2, 0x706dc2f1, 0x00d96e10, 0x84f75f04, 0x5fa97783,
113             0xea2b6877, 0xe9c417ed, 0x807f00ac, 0x0802442e, 0x19a90570, 0x72ae16ca, 0x107e4fa1, 0x0bb6135e,
114             0xd775a370, 0x5ff6f941, 0x6a707d8a, 0x32be82f8, 0xe02e92e3, 0xadf9e5ba, 0xc88902f1, 0xb38bd032,
115             0xdeae3543, 0x9d8b53e4, 0xe138fc67, 0x4565a728, 0x0c45115d, 0xab6dfd67, 0xd0d19d8a, 0xb77c9c49,
116             0xcef31821, 0x683e0485, 0xa35e3a23, 0x12d6a276, 0x62f81a9c, 0x0a10fe92, 0x38fb7c97, 0xed7c6de5,
117             0x21c46edb, 0x3babb813, 0x488587af, 0xaff84a55, 0xe48cce39, 0xe5098cad, 0x9310cf58, 0xece52930,
118             0xc21bcc91, 0x540108c4, 0x4f44bcdb, 0x898a9365, 0xba470a57, 0xd7f15ff8, 0xe473ab14, 0xe76833ff,
119             0x89997b1b, 0x9e7f7c54, 0x5673fcd9, 0xd289f943, 0xbdeb72e2, 0x490d3961, 0x4302a415, 0x0a7aa0c1,
120             0xb35bde2f, 0xa6b2690f, 0xd9acf25b, 0x09950b7e, 0x71621b83, 0x653f519c, 0x43a66e3d, 0x1da1d26a,
121             0xc4db0a37, 0xf1d8513e, 0xd6c9840b, 0xf39e866b, 0x197fe72c, 0x11196229, 0x311007b0, 0x61028494,
122             0xdf40c6a7, 0x9a54746c, 0xfa75ce2e, 0x03bf7309, 0xc33d7966, 0xeda6af60, 0xa6672387, 0x72411b87,
123             0x9a211f11, 0x51f56dc7, 0x53a684e0, 0x0397541a, 0xe33486f2, 0xb4186699, 0x9bbf1cb2, 0x1f86e0f1,
124             0xa459fea9, 0xc729c354, 0x9c466f44, 0x10479afe, 0xef53e2d2, 0xb8769c4a, 0x60a7fa28, 0x8b551da9,
125             0x6b17bf70, 0x4b0a4a73, 0xfcd67534, 0x7f77d788, 0xb422f68f, 0xf8ccf23c, 0x1ad3e613, 0xc33054e4,
126             0x24c8f64a, 0xa135d8b9, 0x5799da51, 0x4ff771cb, 0x15430a3f, 0x46db7ec8, 0x87d4c88f, 0x694bb4c8,
127             0xa6a5ff3b, 0x037255c0, 0xac77403c, 0x49a7a6d5, 0x61326bcb, 0xea1febca, 0x19905ce4, 0x6c208616,
128             0x88601b2b, 0xf5ecddc0, 0xec8475d1, 0xd3853b52, 0x3d21610b, 0x53b3a29c, 0x77575565, 0x05825b57,
129             0x89ebfb88, 0x8f3c2f00, 0xb32ead1a, 0xd44f8744, 0x63a692b2, 0x69697bae, 0x6b7fe1c9, 0x325b5bf1,
130             0xb32e0e11, 0x54187523, 0x4501dc49, 0x7eb3aed1, 0x6ab0eb88, 0x6b3e94bf, 0x2c2d293b, 0x8f668ba5,
131             0x2db81bb2, 0x9e43c4ae, 0xda5b5b13, 0x81763a88, 0x95b90733, 0x642b0bca, 0x0dd1dd3a, 0x44d79c88,
132             0x095e327f, 0x56abfd80, 0xd0f75ce3, 0x730607c6, 0x89a6fd0e, 0x7fc09cd8, 0xb078f466, 0x184ba518,
133             0xaf1ff8e1, 0x99e25f5f, 0x201e00a3, 0x8ba1ae03, 0x19a9942b, 0x2c1e6198, 0x737f2878, 0xc59a2b1c,
134             0x7c4f8850, 0xf0409a77, 0x2da9101d, 0xd1aaf46f, 0x291c51af, 0x4d234c8a, 0x68810c4a, 0xfa7e9b84,
135             0x75b5dcb8, 0x01fe8b9f, 0xd4acb1ef, 0xbb6ff83b, 0x64805089, 0xf6763925, 0xb327edc3, 0xd688dbca,
136             0x196cf19e, 0x2cf2b856, 0xda34c994, 0x7518948f, 0x3170a8d1, 0x30f86e08, 0x681c6bac, 0x3bfddb0c,
137             0x5f168b17, 0x4ae631b1, 0x3d105d00, 0x7116b018, 0xad06c9a1, 0x293be0e9, 0x3dd73c5b, 0xbd5a98e8,
138             0x75536a9f, 0x818d1508, 0x40e9aa2e, 0x68367be3, 0xaf51e5f2, 0x39b8ccc2, 0x6c67fb45, 0xb13771e2,
139             0xe706549e, 0x42b7fc98, 0xedbd44eb, 0x622d9985, 0x85107f0a, 0xcfc9061b, 0xd9e6d66b, 0xe011bb5e,
140             0x327eb11e, 0x407ecdd9, 0x3afad29e, 0xab283ffb, 0xbe83d61e, 0xea3e7a46, 0x273b2541, 0xda729e01,
141             0x81a62472, 0x8359eedb, 0xa4457261, 0x926ad13f, 0xe7e0c4fe, 0x4d1da2d8, 0xa8b3aed0, 0xb658ec23,
142             0xf7e24a58, 0x5d154e58, 0x9a2bf0ba, 0x2eb455b0, 0x50cb61f3, 0x01e095a2, 0xe1de399f, 0xc71cbd35,
143             0x7cb90a7e, 0x356e4628, 0x280991f0, 0xd26e64a1, 0xd6c9df5a, 0x3ef127a4, 0xcd2d747b, 0x595f8ee8,
144             0xba946959, 0xd8ee7838, 0x010f24d0, 0x86b0eaec, 0x1d078587, 0xfbf516ea, 0xdc2a79f8, 0x7015e404,
145             0xe9efdc2c, 0x16bca751, 0xef7b9df7, 0x9227157f, 0xa31e6f81, 0x83b7e291, 0x7ee5c10b, 0x1a196d7c,
146             0x23829142, 0x263fe2c2, 0x618461ac, 0xe8681ba5, 0x258b3130, 0xd60cf96a, 0x14fadac6, 0x9d48a438,
147             0x8bfa6a79, 0x8b920d34, 0x7e98a7fc, 0x088cc57d, 0x5af407f0, 0x15bc4713, 0x23b64b00, 0x37f96d03,
148             0x5ac72f49, 0x065a9a89, 0x16724cac, 0x503ea2fc, 0x4d548e23, 0x2d92d724, 0xdefe753f, 0x37a36c6a,
149             0x70708d68, 0xbfe7aba8, 0x1f510c48, 0xb3a995e3, 0x1342df6d, 0x7986ddb9, 0xf4630113, 0xa9f9b81d,
150             0xb1dca7ae, 0x70915ce7, 0x780e2c35, 0xd1859a18, 0xf92e7d5a, 0xce573f6b, 0x9d79a6e9, 0xbd7f3425,
151             0xacfd81c7, 0x8429a008, 0xf0da82bb, 0x6a5fb409, 0xc567b073, 0x05371eda, 0xa417042a, 0x9d162579,
152             0xa8c0eb06, 0xdb7a6342, 0xae0c5575, 0xe0e256a8, 0xa7de78a0, 0x12797538, 0x8e154606, 0x093b23bf,
153             0x16f4562d, 0x47067058, 0x6db6dc93, 0x33fc94d2, 0xae60549d, 0x4e1b4fcb, 0x7d4aff37, 0x59b050d1,
154             0xd50b787e, 0x4700ba54, 0xc6848ba2, 0xbd8f6801, 0xd2f62909, 0x289cde1e, 0xc5003778, 0xd973a07d,
155             0x38a099d8, 0xf8bedbdd, 0x68e9601d, 0x1e86cf6d, 0x2899e89c, 0x229ab04a, 0x45b7a393, 0xef508cd2,
156             0xa03448ed, 0x29b47253, 0x9f5a48ac, 0x43c89eec, 0x075dfc10, 0x1c2c3184, 0x3ecca1e3, 0x3c5cc91e,
157             0xcf7cd58b, 0xe014d295, 0xed503a24, 0xe452210e, 0x6fe3ac6f, 0xd99dca00, 0x3ae4ac67, 0xd189afe0,
158             0xf3ba5df0, 0x84a10e38, 0x4a7b85e4, 0x9d8b4bf7, 0xe83b5b67, 0x90106e3d, 0x534fbf99, 0xce3bcd2e,
159         };
160 
161         RandomAssert.assertEquals(expectedSequence, rng);
162     }
163 
164     @Test
165     void testConstructorWithEmptySeed() {
166         // An empty seed is allowed
167         final MersenneTwister rng = new MersenneTwister(new int[0]);
168         // It should be functional so check it returns different values.
169         Assertions.assertNotEquals(rng.nextInt(), rng.nextInt(),
170             "Empty seed creates sequence with same values");
171     }
172 }