197aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes/* 297aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes * Copyright (C) 2010 Google Inc. 397aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes * 497aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes * Licensed under the Apache License, Version 2.0 (the "License"); 597aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes * you may not use this file except in compliance with the License. 697aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes * You may obtain a copy of the License at 797aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes * 897aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes * http://www.apache.org/licenses/LICENSE-2.0 997aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes * 1097aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes * Unless required by applicable law or agreed to in writing, software 1197aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes * distributed under the License is distributed on an "AS IS" BASIS, 1297aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1397aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes * See the License for the specific language governing permissions and 1497aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes * limitations under the License. 1597aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes */ 1697aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes 1797aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughespackage benchmarks.regression; 1897aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes 1997aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughesimport java.nio.charset.Charset; 2097aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughesimport com.google.caliper.Param; 2197aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughesimport com.google.caliper.SimpleBenchmark; 2297aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes 2397aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughespublic class CharsetForNameBenchmark extends SimpleBenchmark { 2497aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes // canonical => canonical charset name 2597aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes // built-in => guaranteed-present charset 2697aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes // special-case => libcore treats this charset specially for performance 2797aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes @Param({ 2897aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes "UTF-16", // canonical, built-in, non-special-case 2997aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes "UTF-8", // canonical, built-in, special-case 3097aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes "UTF8", // non-canonical, built-in, special-case 3197aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes "ISO-8859-1", // canonical, built-in, special-case 3297aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes "8859_1", // non-canonical, built-in, special-case 3397aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes "ISO-8859-2", // canonical, non-built-in, non-special-case 3497aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes "8859_2", // non-canonical, non-built-in, non-special-case 3597aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes "US-ASCII", // canonical, built-in, special-case 3697aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes "ASCII" // non-canonical, built-in, special-case 3797aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes }) 3897aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes private String charsetName; 3997aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes 4097aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes public void timeCharsetForName(int reps) throws Exception { 4197aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes for (int i = 0; i < reps; ++i) { 4297aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes Charset.forName(charsetName); 4397aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes } 4497aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes } 4597aba27f961a5a6f37dcaf7f455df371e250ede3Elliott Hughes} 46