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 { 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 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 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 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
