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 import java.nio.charset.Charset; 21 22 public class CharsetForNameBenchmark { 23 // canonical => canonical charset name 24 // built-in => guaranteed-present charset 25 // special-case => libcore treats this charset specially for performance 26 @Param({ 27 "UTF-16", // canonical, built-in, non-special-case 28 "UTF-8", // canonical, built-in, special-case 29 "UTF8", // non-canonical, built-in, special-case 30 "ISO-8859-1", // canonical, built-in, special-case 31 "8859_1", // non-canonical, built-in, special-case 32 "ISO-8859-2", // canonical, non-built-in, non-special-case 33 "8859_2", // non-canonical, non-built-in, non-special-case 34 "US-ASCII", // canonical, built-in, special-case 35 "ASCII" // non-canonical, built-in, special-case 36 }) 37 private String charsetName; 38 timeCharsetForName(int reps)39 public void timeCharsetForName(int reps) throws Exception { 40 for (int i = 0; i < reps; ++i) { 41 Charset.forName(charsetName); 42 } 43 } 44 } 45