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annotate test/compiler/6942326/Test.java @ 3011:f00918f35c7f

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inlining and runtime interface related changes: added codeSize() and compilerStorage() to RiMethod HotSpotMethodResolved uses reflective methods instead of vmIds and survives compilations HotSpotResolvedType.isInitialized not represented as field (can change) inlining stores graphs into method objects and reuses them
author Lukas Stadler <lukas.stadler@jku.at>
date Thu, 16 Jun 2011 20:36:17 +0200
parents 41d4973cf100
children
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1 /*
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2 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 *
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23 */
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24
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25 /**
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26 * @test
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27 * @bug 6942326
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28 * @summary x86 code in string_indexof() could read beyond reserved heap space
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29 *
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30 * @run main/othervm/timeout=300 -Xmx32m -Xbatch -XX:+IgnoreUnrecognizedVMOptions -XX:CompileCommand=exclude,Test,main -XX:CompileCommand=exclude,Test,test_varsub_indexof -XX:CompileCommand=exclude,Test,test_varstr_indexof -XX:CompileCommand=exclude,Test,test_missub_indexof -XX:CompileCommand=exclude,Test,test_consub_indexof -XX:CompileCommand=exclude,Test,test_conmis_indexof -XX:CompileCommand=exclude,Test,test_subcon Test
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31 *
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32 */
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33
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34 public class Test {
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35
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36 static String[] strings = new String[1024];
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37 private static final int ITERATIONS = 100000;
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38
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39 public static void main(String[] args) {
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40
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41 long start_total = System.currentTimeMillis();
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42
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43 // search variable size substring in string (33 chars).
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44 String a = " 1111111111111xx1111111111111xx11y"; // +1 to execute a.substring(1) first
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45 String b = "1111111111111xx1111111111111xx11y";
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46 test_varsub_indexof(a, b);
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47
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48 // search variable size substring in string (32 chars).
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49 a = " 1111111111111xx1111111111111xx1y";
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50 b = "1111111111111xx1111111111111xx1y";
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51 test_varsub_indexof(a, b);
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52
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53 // search variable size substring in string (17 chars).
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54 a = " 1111111111111xx1y";
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55 b = "1111111111111xx1y";
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56 test_varsub_indexof(a, b);
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57
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58 // search variable size substring in string (16 chars).
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59 a = " 111111111111xx1y";
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60 b = "111111111111xx1y";
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61 test_varsub_indexof(a, b);
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62
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63 // search variable size substring in string (8 chars).
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64 a = " 1111xx1y";
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65 b = "1111xx1y";
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66 test_varsub_indexof(a, b);
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67
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68 // search variable size substring in string (7 chars).
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69 a = " 111xx1y";
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70 b = "111xx1y";
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71 test_varsub_indexof(a, b);
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72
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74
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75 // search substring (17 chars) in variable size string.
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76 a = "1111111111111xx1x";
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77 b = " 1111111111111xx1111111111111xx1x"; // +1 to execute b.substring(1) first
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78 test_varstr_indexof(a, b);
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79
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80 // search substring (16 chars) in variable size string.
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81 a = "111111111111xx1x";
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82 b = " 1111111111111xx1111111111111xx1x";
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83 test_varstr_indexof(a, b);
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84
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85 // search substring (9 chars) in variable size string.
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86 a = "11111xx1x";
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87 b = " 1111111111111xx1111111111111xx1x";
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88 test_varstr_indexof(a, b);
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89
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90 // search substring (8 chars) in variable size string.
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91 a = "1111xx1x";
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92 b = " 1111111111111xx1111111111111xx1x";
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93 test_varstr_indexof(a, b);
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94
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95 // search substring (4 chars) in variable size string.
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96 a = "xx1x";
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97 b = " 1111111111111xx1111111111111xx1x";
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98 test_varstr_indexof(a, b);
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99
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100 // search substring (3 chars) in variable size string.
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101 a = "x1x";
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102 b = " 1111111111111xx1111111111111xx1x";
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103 test_varstr_indexof(a, b);
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104
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105 // search substring (2 chars) in variable size string.
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106 a = "1y";
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107 b = " 1111111111111xx1111111111111xx1y";
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108 test_varstr_indexof(a, b);
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109
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110
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111
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112 // search non matching variable size substring in string (33 chars).
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113 a = " 1111111111111xx1111111111111xx11z"; // +1 to execute a.substring(1) first
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114 b = "1111111111111xx1111111111111xx11y";
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115 test_missub_indexof(a, b);
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116
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117 // search non matching variable size substring in string (32 chars).
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118 a = " 1111111111111xx1111111111111xx1z";
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119 b = "1111111111111xx1111111111111xx1y";
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120 test_missub_indexof(a, b);
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121
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122 // search non matching variable size substring in string (17 chars).
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123 a = " 1111111111111xx1z";
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124 b = "1111111111111xx1y";
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125 test_missub_indexof(a, b);
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126
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127 // search non matching variable size substring in string (16 chars).
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128 a = " 111111111111xx1z";
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129 b = "111111111111xx1y";
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130 test_missub_indexof(a, b);
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131
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132 // search non matching variable size substring in string (8 chars).
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133 a = " 1111xx1z";
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134 b = "1111xx1y";
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135 test_missub_indexof(a, b);
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136
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137 // search non matching variable size substring in string (7 chars).
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138 a = " 111xx1z";
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139 b = "111xx1y";
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140 test_missub_indexof(a, b);
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141
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142
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143
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144 // Testing constant substring search in variable size string.
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145
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146 // search constant substring (17 chars).
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147 b = " 1111111111111xx1111111111111xx1x"; // +1 to execute b.substring(1) first
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148 TestCon tc = new TestCon17();
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149 test_consub_indexof(tc, b);
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150
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151 // search constant substring (16 chars).
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152 b = " 1111111111111xx1111111111111xx1x";
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153 tc = new TestCon16();
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154 test_consub_indexof(tc, b);
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155
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156 // search constant substring (9 chars).
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157 b = " 1111111111111xx1111111111111xx1x";
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158 tc = new TestCon9();
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159 test_consub_indexof(tc, b);
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160
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161 // search constant substring (8 chars).
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162 b = " 1111111111111xx1111111111111xx1x";
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163 tc = new TestCon8();
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164 test_consub_indexof(tc, b);
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165
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166 // search constant substring (4 chars).
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167 b = " 1111111111111xx1111111111111xx1x";
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168 tc = new TestCon4();
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169 test_consub_indexof(tc, b);
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170
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171 // search constant substring (3 chars).
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172 b = " 1111111111111xx1111111111111xx1x";
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173 tc = new TestCon3();
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174 test_consub_indexof(tc, b);
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175
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176 // search constant substring (2 chars).
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177 b = " 1111111111111xx1111111111111xx1y";
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178 tc = new TestCon2();
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179 test_consub_indexof(tc, b);
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180
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181 // search constant substring (1 chars).
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182 b = " 1111111111111xx1111111111111xx1y";
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183 tc = new TestCon1();
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184 test_consub_indexof(tc, b);
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185
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186
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187 // search non matching constant substring (17 chars).
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188 b = " 1111111111111xx1111111111111xx1z"; // +1 to execute b.substring(1) first
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189 tc = new TestCon17();
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190 test_conmis_indexof(tc, b);
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191
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192 // search non matching constant substring (16 chars).
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193 b = " 1111111111111xx1111111111111xx1z";
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194 tc = new TestCon16();
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195 test_conmis_indexof(tc, b);
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196
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197 // search non matching constant substring (9 chars).
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198 b = " 1111111111111xx1111111111111xx1z";
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199 tc = new TestCon9();
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200 test_conmis_indexof(tc, b);
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201
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202 // search non matching constant substring (8 chars).
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203 b = " 1111111111111xx1111111111111xx1z";
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204 tc = new TestCon8();
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205 test_conmis_indexof(tc, b);
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206
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207 // search non matching constant substring (4 chars).
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208 b = " 1111111111111xx1111111111111xx1z";
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209 tc = new TestCon4();
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210 test_conmis_indexof(tc, b);
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211
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212 // search non matching constant substring (3 chars).
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213 b = " 1111111111111xx1111111111111xx1z";
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214 tc = new TestCon3();
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215 test_conmis_indexof(tc, b);
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216
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217 // search non matching constant substring (2 chars).
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218 b = " 1111111111111xx1111111111111xx1z";
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219 tc = new TestCon2();
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220 test_conmis_indexof(tc, b);
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221
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222 // search non matching constant substring (1 chars).
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223 b = " 1111111111111xx1111111111111xx1z";
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224 tc = new TestCon1();
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225 test_conmis_indexof(tc, b);
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226
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227 long end_total = System.currentTimeMillis();
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228 System.out.println("End run time: " + (end_total - start_total));
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229
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230 }
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231
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232 public static long test_init(String a, String b) {
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233 for (int i = 0; i < 512; i++) {
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234 strings[i * 2] = new String(b.toCharArray());
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235 strings[i * 2 + 1] = new String(a.toCharArray());
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236 }
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237 System.out.print(a.length() + " " + b.length() + " ");
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238 return System.currentTimeMillis();
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239 }
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240
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241 public static void test_end(String a, String b, int v, int expected, long start) {
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242 long end = System.currentTimeMillis();
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243 int res = (v/ITERATIONS);
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244 System.out.print(" " + res);
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245 System.out.println(" time:" + (end - start));
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246 if (res != expected) {
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247 System.out.println("wrong indexOf result: " + res + ", expected " + expected);
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248 System.out.println("\"" + b + "\".indexOf(\"" + a + "\")");
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249 System.exit(97);
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250 }
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251 }
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252
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253 public static int test_subvar() {
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254 int s = 0;
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255 int v = 0;
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256 for (int i = 0; i < ITERATIONS; i++) {
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257 v += strings[s].indexOf(strings[s + 1]);
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258 s += 2;
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259 if (s >= strings.length) s = 0;
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260 }
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261 return v;
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262 }
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263
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264 public static void test_varsub_indexof(String a, String b) {
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265 System.out.println("Start search variable size substring in string (" + b.length() + " chars)");
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266 long start_it = System.currentTimeMillis();
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267 int limit = 1; // last a.length() == 1
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268 while (a.length() > limit) {
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269 a = a.substring(1);
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270 long start = test_init(a, b);
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271 int v = test_subvar();
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272 test_end(a, b, v, (b.length() - a.length()), start);
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273 }
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274 long end_it = System.currentTimeMillis();
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275 System.out.println("End search variable size substring in string (" + b.length() + " chars), time: " + (end_it - start_it));
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276 }
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277
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278 public static void test_varstr_indexof(String a, String b) {
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279 System.out.println("Start search substring (" + a.length() + " chars) in variable size string");
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280 long start_it = System.currentTimeMillis();
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281 int limit = a.length();
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282 while (b.length() > limit) {
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283 b = b.substring(1);
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284 long start = test_init(a, b);
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285 int v = test_subvar();
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286 test_end(a, b, v, (b.length() - a.length()), start);
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287 }
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288 long end_it = System.currentTimeMillis();
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289 System.out.println("End search substring (" + a.length() + " chars) in variable size string, time: " + (end_it - start_it));
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290 }
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291
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292 public static void test_missub_indexof(String a, String b) {
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293 System.out.println("Start search non matching variable size substring in string (" + b.length() + " chars)");
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294 long start_it = System.currentTimeMillis();
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295 int limit = 1; // last a.length() == 1
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296 while (a.length() > limit) {
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297 a = a.substring(1);
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298 long start = test_init(a, b);
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299 int v = test_subvar();
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300 test_end(a, b, v, (-1), start);
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301 }
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302 long end_it = System.currentTimeMillis();
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303 System.out.println("End search non matching variable size substring in string (" + b.length() + " chars), time: " + (end_it - start_it));
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304 }
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305
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306
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307
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308 public static void test_consub_indexof(TestCon tc, String b) {
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309 System.out.println("Start search constant substring (" + tc.constr().length() + " chars)");
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310 long start_it = System.currentTimeMillis();
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311 int limit = tc.constr().length();
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312 while (b.length() > limit) {
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313 b = b.substring(1);
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314 long start = test_init(tc.constr(), b);
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315 int v = test_subcon(tc);
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316 test_end(tc.constr(), b, v, (b.length() - tc.constr().length()), start);
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317 }
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318 long end_it = System.currentTimeMillis();
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319 System.out.println("End search constant substring (" + tc.constr().length() + " chars), time: " + (end_it - start_it));
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320 }
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321
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322 public static void test_conmis_indexof(TestCon tc, String b) {
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323 System.out.println("Start search non matching constant substring (" + tc.constr().length() + " chars)");
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324 long start_it = System.currentTimeMillis();
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325 int limit = tc.constr().length();
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326 while (b.length() > limit) {
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327 b = b.substring(1);
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328 long start = test_init(tc.constr(), b);
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329 int v = test_subcon(tc);
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330 test_end(tc.constr(), b, v, (-1), start);
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331 }
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332 long end_it = System.currentTimeMillis();
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333 System.out.println("End search non matching constant substring (" + tc.constr().length() + " chars), time: " + (end_it - start_it));
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334 }
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335
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336 public static int test_subcon(TestCon tc) {
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337 int s = 0;
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338 int v = 0;
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339 for (int i = 0; i < ITERATIONS; i++) {
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340 v += tc.indexOf(strings[s]);
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341 s += 2;
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342 if (s >= strings.length) s = 0;
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343 }
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344 return v;
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345 }
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346
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347 private interface TestCon {
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348 public String constr();
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349 public int indexOf(String str);
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350 }
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351
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352 // search constant substring (17 chars).
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353 private final static class TestCon17 implements TestCon {
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354 private static final String constr = "1111111111111xx1x";
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355 public String constr() { return constr; }
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356 public int indexOf(String str) { return str.indexOf(constr); }
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357 }
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358
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359 // search constant substring (16 chars).
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360 private final static class TestCon16 implements TestCon {
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361 private static final String constr = "111111111111xx1x";
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362 public String constr() { return constr; }
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363 public int indexOf(String str) { return str.indexOf(constr); }
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364 }
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365
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366 // search constant substring (9 chars).
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367 private final static class TestCon9 implements TestCon {
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368 private static final String constr = "11111xx1x";
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369 public String constr() { return constr; }
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370 public int indexOf(String str) { return str.indexOf(constr); }
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371 }
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372
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373 // search constant substring (8 chars).
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374 private final static class TestCon8 implements TestCon {
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375 private static final String constr = "1111xx1x";
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376 public String constr() { return constr; }
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377 public int indexOf(String str) { return str.indexOf(constr); }
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378 }
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379
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380 // search constant substring (4 chars).
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381 private final static class TestCon4 implements TestCon {
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382 private static final String constr = "xx1x";
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383 public String constr() { return constr; }
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384 public int indexOf(String str) { return str.indexOf(constr); }
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385 }
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386
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387 // search constant substring (3 chars).
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388 private final static class TestCon3 implements TestCon {
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389 private static final String constr = "x1x";
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390 public String constr() { return constr; }
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391 public int indexOf(String str) { return str.indexOf(constr); }
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392 }
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393
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394 // search constant substring (2 chars).
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395 private final static class TestCon2 implements TestCon {
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396 private static final String constr = "1y";
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397 public String constr() { return constr; }
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398 public int indexOf(String str) { return str.indexOf(constr); }
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399 }
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400
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401
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402 // search constant substring (1 chars).
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403 private final static class TestCon1 implements TestCon {
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404 private static final String constr = "y";
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405 public String constr() { return constr; }
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406 public int indexOf(String str) { return str.indexOf(constr); }
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407 }
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408 }
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409