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 public class StringIndexOfBenchmark { 18 public static final String string36 = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"; // length = 36 19 timeIndexOf0(int count)20 public void timeIndexOf0(int count) { 21 final char c = '0'; 22 String s = string36; 23 for (int i = 0; i < count; ++i) { 24 $noinline$indexOf(s, c); 25 } 26 } 27 timeIndexOf1(int count)28 public void timeIndexOf1(int count) { 29 final char c = '1'; 30 String s = string36; 31 for (int i = 0; i < count; ++i) { 32 $noinline$indexOf(s, c); 33 } 34 } 35 timeIndexOf2(int count)36 public void timeIndexOf2(int count) { 37 final char c = '2'; 38 String s = string36; 39 for (int i = 0; i < count; ++i) { 40 $noinline$indexOf(s, c); 41 } 42 } 43 timeIndexOf3(int count)44 public void timeIndexOf3(int count) { 45 final char c = '3'; 46 String s = string36; 47 for (int i = 0; i < count; ++i) { 48 $noinline$indexOf(s, c); 49 } 50 } 51 timeIndexOf4(int count)52 public void timeIndexOf4(int count) { 53 final char c = '4'; 54 String s = string36; 55 for (int i = 0; i < count; ++i) { 56 $noinline$indexOf(s, c); 57 } 58 } 59 timeIndexOf7(int count)60 public void timeIndexOf7(int count) { 61 final char c = '7'; 62 String s = string36; 63 for (int i = 0; i < count; ++i) { 64 $noinline$indexOf(s, c); 65 } 66 } 67 timeIndexOf8(int count)68 public void timeIndexOf8(int count) { 69 final char c = '8'; 70 String s = string36; 71 for (int i = 0; i < count; ++i) { 72 $noinline$indexOf(s, c); 73 } 74 } 75 timeIndexOfF(int count)76 public void timeIndexOfF(int count) { 77 final char c = 'F'; 78 String s = string36; 79 for (int i = 0; i < count; ++i) { 80 $noinline$indexOf(s, c); 81 } 82 } 83 timeIndexOfG(int count)84 public void timeIndexOfG(int count) { 85 final char c = 'G'; 86 String s = string36; 87 for (int i = 0; i < count; ++i) { 88 $noinline$indexOf(s, c); 89 } 90 } 91 timeIndexOfV(int count)92 public void timeIndexOfV(int count) { 93 final char c = 'V'; 94 String s = string36; 95 for (int i = 0; i < count; ++i) { 96 $noinline$indexOf(s, c); 97 } 98 } 99 timeIndexOfW(int count)100 public void timeIndexOfW(int count) { 101 final char c = 'W'; 102 String s = string36; 103 for (int i = 0; i < count; ++i) { 104 $noinline$indexOf(s, c); 105 } 106 } 107 timeIndexOf_(int count)108 public void timeIndexOf_(int count) { 109 final char c = '_'; 110 String s = string36; 111 for (int i = 0; i < count; ++i) { 112 $noinline$indexOf(s, c); 113 } 114 } 115 $noinline$indexOf(String s, char c)116 static int $noinline$indexOf(String s, char c) { 117 if (doThrow) { throw new Error(); } 118 return s.indexOf(c); 119 } 120 121 public static boolean doThrow = false; 122 } 123