Mercurial > hg > Members > kono > jpf-core

annotate src/tests/gov/nasa/jpf/test/vm/reflection/FieldTest.java @ 0:61d41facf527

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initial v8 import (history reset)
author Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
date Fri, 23 Jan 2015 10:14:01 -0800
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1 /*
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2 * Copyright (C) 2014, United States Government, as represented by the
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3 * Administrator of the National Aeronautics and Space Administration.
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4 * All rights reserved.
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5 *
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6 * The Java Pathfinder core (jpf-core) platform is licensed under the
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7 * Apache License, Version 2.0 (the "License"); you may not use this file except
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8 * in compliance with the License. You may obtain a copy of the License at
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9 *
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10 * http://www.apache.org/licenses/LICENSE-2.0.
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11 *
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12 * Unless required by applicable law or agreed to in writing, software
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13 * distributed under the License is distributed on an "AS IS" BASIS,
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14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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15 * See the License for the specific language governing permissions and
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16 * limitations under the License.
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17 */
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18 package gov.nasa.jpf.test.vm.reflection;
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19
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20 import gov.nasa.jpf.util.test.TestJPF;
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21
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22 import java.lang.reflect.Field;
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23
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24 import org.junit.Test;
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25
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26 public class FieldTest extends TestJPF {
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27
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28 int instInt = 42;
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29 double instDouble = 42.0;
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30 double primField = 42.0;
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31 Object refField = new Integer(42);
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32 int[] arrayField = new int[]{42};
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33
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34 static int statInt = 43;
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35
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36 @Test
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37 public void testInstanceInt() {
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38 if (verifyNoPropertyViolation()) {
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39 try {
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40 Class<?> cls = FieldTest.class;
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41 Field f = cls.getField("instInt");
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42
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43 int i = f.getInt(this);
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44 assert i == 42;
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45
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46 f.setInt(this, 43);
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47 assert instInt == 43;
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48
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49 } catch (Throwable t) {
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50 assert false : "unexpected exception: " + t;
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51 }
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52 }
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53 }
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54
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55 @Test
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56 public void testStaticInt() {
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57 if (verifyNoPropertyViolation()) {
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58 try {
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59 Class<?> cls = FieldTest.class;
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60 Field f = cls.getField("statInt");
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61
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62 int i = f.getInt(this);
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63 assert i == 43;
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64 System.out.println("statInt = " + i);
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65
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66 f.setInt(null, 44);
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67 assert statInt == 44;
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68
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69 } catch (Throwable t) {
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70 assert false : "unexpected exception: " + t;
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71 }
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72 }
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73 }
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74
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75
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76 @Test
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77 public void testInstanceDouble() {
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78 if (verifyNoPropertyViolation()) {
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79 try {
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80 Class<?> cls = FieldTest.class;
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81 Field f = cls.getField("instDouble");
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82
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83 double d = f.getDouble(this);
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84 assert d == 42.0;
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85
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86 f.setDouble(this, 43.0);
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87 assert instDouble == 43.0;
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88
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89 } catch (Throwable t) {
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90 assert false : "unexpected exception: " + t;
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91 }
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92 }
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93 }
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94
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95 @Test
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96 public void testSetPrimitive() {
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97 if (verifyNoPropertyViolation()) {
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98 try {
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99 Class<?> cls = FieldTest.class;
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100 Field f = cls.getField("primField");
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101
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102 double d = ((Double) f.get(this)).doubleValue();
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103 assert d == 42.0;
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104
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105 f.set(this, new Double(43.0));
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106 assert primField == 43.0;
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107
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108 } catch (Throwable t) {
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109 assert false : "unexpected exception: " + t;
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110 }
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111 }
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112 }
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113
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114 @Test
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115 public void testSetReference() {
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116 if (verifyNoPropertyViolation()) {
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117
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118 try {
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119 Class<?> cls = FieldTest.class;
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120 Field f = cls.getField("refField");
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121
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122 Object o = f.get(this);
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123 assert o == refField;
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124
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125 Object ob = new Double(43.0);
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126 f.set(this, ob);
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127 assert ob == refField;
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128
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129 } catch (Throwable t) {
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130 assert false : "unexpected exception: " + t;
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131 }
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132 }
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133 }
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134
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135 @Test
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136 public void testSetArray() {
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137 if (verifyNoPropertyViolation()) {
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138
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139 try {
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140 Class<?> cls = FieldTest.class;
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141 Field f = cls.getField("arrayField");
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142
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143 int[] a = (int[]) f.get(this);
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144 assert a == arrayField;
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145
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146 int[] ar = new int[]{43};
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147 f.set(this, ar);
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148 assert ar == arrayField;
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149
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150 } catch (Throwable t) {
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151 assert false : "unexpected exception: " + t;
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152 }
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153 }
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154 }
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155
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156 //--- field enumeration
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157 interface I {
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158 static int I_S = 42;
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159 }
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160
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161 static class X implements I {
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162 public int pub_x_i; // 1
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163 protected int prot_x_i;
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164 public static int pub_x_s; // 2
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165 static int prot_x_s;
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166 }
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167
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168 static class Y extends X {
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169 public static int pub_y_s; // 3
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170 static int prot_y_s;
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171 public int pub_y_i; // 4
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172 protected int prot_y_i;
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173 }
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174
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175 @Test
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176 public void testGetFields(){
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177 if (verifyNoPropertyViolation()){
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178 Field[] publicFields = Y.class.getFields();
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179 String[] fnames = {"pub_x_i", "pub_x_s", "pub_y_s", "pub_y_i", "I_S"};
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180
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181 assertTrue("wrong number of public fields", publicFields.length == fnames.length);
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182
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183 for (Field f : publicFields){
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184 String fname = f.getName();
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185 System.out.println(fname);
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186
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187 for (int i=0; i<fnames.length; i++){
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188 if (fname.equals(fnames[i])){
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189 fnames[i] = null;
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190 }
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191 }
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192 }
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193
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194 for (int i=0; i<fnames.length; i++){
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195 if (fnames[i] != null){
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196 fail("unseen field: " + fnames[i]);
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197 }
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198 }
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199 }
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200 }
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201 }