1 /* 2 * Copyright (C) 2016 The Android Open Source Project 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 import java.nio.charset.StandardCharsets; 22 23 public class StringToBytesBenchmark { 24 static enum StringLengths { 25 EMPTY(""), 26 L_16(makeString(16)), 27 L_64(makeString(64)), 28 L_256(makeString(256)), 29 L_512(makeString(512)); 30 31 private final String value; 32 33 private StringLengths(String s) { 34 this.value = s; 35 } 36 } 37 38 private static final String makeString(int length) { 39 char[] chars = new char[length]; 40 for (int i = 0; i < length; ++i) { 41 chars[i] = (char) i; 42 } 43 return new String(chars); 44 } 45 46 @Param StringLengths string; 47 48 public void timeGetBytesUtf8(int nreps) { 49 for (int i = 0; i < nreps; ++i) { 50 string.value.getBytes(StandardCharsets.UTF_8); 51 } 52 } 53 54 public void timeGetBytesIso88591(int nreps) { 55 for (int i = 0; i < nreps; ++i) { 56 string.value.getBytes(StandardCharsets.ISO_8859_1); 57 } 58 } 59 60 public void timeGetBytesAscii(int nreps) { 61 for (int i = 0; i < nreps; ++i) { 62 string.value.getBytes(StandardCharsets.US_ASCII); 63 } 64 } 65 } 66
