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 import com.google.caliper.Param; 20 21 public class StringBenchmark { 22 enum StringLengths { 23 EMPTY(""), 24 SHORT("short"), 25 EIGHTY(makeString(80)), 26 EIGHT_KI(makeString(8192)); 27 final String value; 28 private StringLengths(String value) { this.value = value; } 29 } 30 @Param private StringLengths s; 31 32 private static String makeString(int length) { 33 StringBuilder result = new StringBuilder(length); 34 for (int i = 0; i < length; ++i) { 35 result.append((char) i); 36 } 37 return result.toString(); 38 } 39 40 public void timeHashCode(int reps) { 41 for (int i = 0; i < reps; ++i) { 42 s.value.hashCode(); 43 } 44 } 45 } 46
