1/*
2 * Copyright (C) 2010 Google Inc.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package benchmarks.regression;
18
19import java.security.SecureRandom;
20import java.util.Random;
21
22public class RandomBenchmark {
23    public void timeNewRandom(int reps) throws Exception {
24        for (int i = 0; i < reps; ++i) {
25            Random rng = new Random();
26            rng.nextInt();
27        }
28    }
29
30    public void timeReusedRandom(int reps) throws Exception {
31        Random rng = new Random();
32        for (int i = 0; i < reps; ++i) {
33            rng.nextInt();
34        }
35    }
36
37    public void timeReusedSecureRandom(int reps) throws Exception {
38        SecureRandom rng = new SecureRandom();
39        for (int i = 0; i < reps; ++i) {
40            rng.nextInt();
41        }
42    }
43
44    public void timeNewSecureRandom(int reps) throws Exception {
45        for (int i = 0; i < reps; ++i) {
46            SecureRandom rng = new SecureRandom();
47            rng.nextInt();
48        }
49    }
50}
51