1/*
2 * Copyright (C) 2011 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 examples;
18
19import com.google.caliper.AfterExperiment;
20import com.google.caliper.BeforeExperiment;
21import com.google.caliper.Benchmark;
22import com.google.caliper.Param;
23import com.google.caliper.api.SkipThisScenarioException;
24import com.google.caliper.api.VmOptions;
25import com.google.caliper.util.ShortDuration;
26
27import java.math.BigDecimal;
28
29@VmOptions("-server")
30public class DemoBenchmark {
31  @Param({"abc", "def", "xyz"}) String string;
32  @Param({"1", "2"}) int number;
33  @Param Foo foo;
34
35  @Param({"0.00", "123.45"}) BigDecimal money;
36  @Param({"1ns", "2 minutes"}) ShortDuration duration;
37
38  enum Foo {
39    FOO, BAR, BAZ, QUX;
40  }
41
42  DemoBenchmark() {
43//    System.out.println("I should not do this.");
44  }
45
46  @BeforeExperiment void setUp() throws Exception {
47    if (string.equals("abc") && number == 1) {
48      throw new SkipThisScenarioException();
49    }
50  }
51
52  @Benchmark int something(int reps) {
53    int dummy = 0;
54    for (int i = 0; i < reps; i++) {
55      dummy += i;
56    }
57    return dummy;
58  }
59
60  @Benchmark int somethingElse(int reps) {
61    int dummy = 0;
62    for (int i = 0; i < reps; i++) {
63      dummy -= i;
64    }
65    return dummy;
66  }
67
68  @AfterExperiment void tearDown() throws Exception {
69//    System.out.println("Hey, I'm tearing up the joint.");
70  }
71}
72