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 
17 package benchmarks.regression;
18 
19 public class StringIsEmptyBenchmark {
timeIsEmpty_NonEmpty(int reps)20     public void timeIsEmpty_NonEmpty(int reps) {
21         boolean result = true;
22         for (int i = 0; i < reps; ++i) {
23             result &= !("xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx".isEmpty());
24         }
25         if (!result) throw new RuntimeException();
26     }
27 
timeIsEmpty_Empty(int reps)28     public void timeIsEmpty_Empty(int reps) {
29         boolean result = true;
30         for (int i = 0; i < reps; ++i) {
31             result &= ("".isEmpty());
32         }
33         if (!result) throw new RuntimeException();
34     }
35 
timeLengthEqualsZero(int reps)36     public void timeLengthEqualsZero(int reps) {
37         boolean result = true;
38         for (int i = 0; i < reps; ++i) {
39             result &= !("xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx".length() == 0);
40         }
41         if (!result) throw new RuntimeException();
42     }
43 
timeEqualsEmpty(int reps)44     public void timeEqualsEmpty(int reps) {
45         boolean result = true;
46         for (int i = 0; i < reps; ++i) {
47             result &= !"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx".equals("");
48         }
49         if (!result) throw new RuntimeException();
50     }
51 }
52