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.sampling.distribution;
18
19 import org.apache.commons.rng.UniformRandomProvider;
20 import org.apache.commons.rng.sampling.RandomAssert;
21 import org.junit.jupiter.api.Assertions;
22 import org.junit.jupiter.api.Test;
23
24 /**
25 * Test for the {@link SamplerBase}. The class is deprecated but is public. The methods
26 * should be tested to ensure correct functionality.
27 */
28 @SuppressWarnings("deprecation")
29 class SamplerBaseTest {
30 @Test
31 void testNextMethods() {
32 final UniformRandomProvider rng1 = RandomAssert.seededRNG();
33 final UniformRandomProvider rng2 = RandomAssert.seededRNG();
34 final SamplerBase sampler = new SamplerBase(rng2);
35 final int n = 256;
36 for (int i = 0; i < 3; i++) {
37 Assertions.assertEquals(rng1.nextDouble(), sampler.nextDouble());
38 Assertions.assertEquals(rng1.nextInt(), sampler.nextInt());
39 Assertions.assertEquals(rng1.nextInt(n), sampler.nextInt(n));
40 Assertions.assertEquals(rng1.nextLong(), sampler.nextLong());
41 }
42 }
43
44 @Test
45 void testToString() {
46 final UniformRandomProvider rng = RandomAssert.seededRNG();
47 final SamplerBase sampler = new SamplerBase(rng);
48 Assertions.assertTrue(sampler.toString().contains("rng"));
49 }
50 }