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annotate test/runtime/RedefineTests/RedefineAnnotations.java @ 21178:bee2900f0020

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author Tom Rodriguez <tom.rodriguez@oracle.com>
date Fri, 01 May 2015 18:25:07 -0700
parents 50054b63f0aa
children
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1 /*
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2 * Copyright (c) 2014, 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 * @test
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26 * @library /testlibrary
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27 * @summary Test that type annotations are retained after a retransform
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28 * @run main RedefineAnnotations buildagent
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29 * @run main/othervm -javaagent:redefineagent.jar RedefineAnnotations
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30 */
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31
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32 import static com.oracle.java.testlibrary.Asserts.assertTrue;
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33 import java.io.FileNotFoundException;
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34 import java.io.PrintWriter;
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35 import java.lang.NoSuchFieldException;
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36 import java.lang.NoSuchMethodException;
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37 import java.lang.RuntimeException;
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38 import java.lang.annotation.Annotation;
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39 import java.lang.annotation.ElementType;
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40 import java.lang.annotation.Retention;
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41 import java.lang.annotation.RetentionPolicy;
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42 import java.lang.annotation.Target;
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43 import java.lang.instrument.ClassFileTransformer;
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44 import java.lang.instrument.IllegalClassFormatException;
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45 import java.lang.instrument.Instrumentation;
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46 import java.lang.instrument.UnmodifiableClassException;
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47 import java.lang.reflect.AnnotatedArrayType;
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48 import java.lang.reflect.AnnotatedParameterizedType;
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49 import java.lang.reflect.AnnotatedType;
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50 import java.lang.reflect.AnnotatedWildcardType;
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51 import java.lang.reflect.Executable;
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52 import java.lang.reflect.TypeVariable;
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53 import java.security.ProtectionDomain;
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54 import java.util.Arrays;
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55 import java.util.LinkedList;
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56 import java.util.List;
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57 import java.util.Map;
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58 import jdk.internal.org.objectweb.asm.ClassReader;
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59 import jdk.internal.org.objectweb.asm.ClassVisitor;
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60 import jdk.internal.org.objectweb.asm.ClassWriter;
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61 import jdk.internal.org.objectweb.asm.FieldVisitor;
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62 import static jdk.internal.org.objectweb.asm.Opcodes.ASM5;
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63
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64 @Retention(RetentionPolicy.RUNTIME)
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65 @Target(ElementType.TYPE_USE)
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66 @interface TestAnn {
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67 String site();
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68 }
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69
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70 public class RedefineAnnotations {
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71 static Instrumentation inst;
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72 public static void premain(String agentArgs, Instrumentation inst) {
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73 RedefineAnnotations.inst = inst;
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74 }
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75
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76 static class Transformer implements ClassFileTransformer {
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77
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78 public byte[] asm(ClassLoader loader, String className,
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79 Class<?> classBeingRedefined,
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80 ProtectionDomain protectionDomain, byte[] classfileBuffer)
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81 throws IllegalClassFormatException {
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82
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83 ClassWriter cw = new ClassWriter(0);
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84 ClassVisitor cv = new ReAddDummyFieldsClassVisitor(ASM5, cw) { };
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85 ClassReader cr = new ClassReader(classfileBuffer);
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86 cr.accept(cv, 0);
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87 return cw.toByteArray();
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88 }
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89
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90 public class ReAddDummyFieldsClassVisitor extends ClassVisitor {
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91
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92 LinkedList<F> fields = new LinkedList<>();
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93
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94 public ReAddDummyFieldsClassVisitor(int api, ClassVisitor cv) {
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95 super(api, cv);
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96 }
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97
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98 @Override public FieldVisitor visitField(int access, String name,
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99 String desc, String signature, Object value) {
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100 if (name.startsWith("dummy")) {
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101 // Remove dummy field
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102 fields.addLast(new F(access, name, desc, signature, value));
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103 return null;
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104 }
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105 return cv.visitField(access, name, desc, signature, value);
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106 }
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107
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108 @Override public void visitEnd() {
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109 F f;
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110 while ((f = fields.pollFirst()) != null) {
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111 // Re-add dummy fields
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112 cv.visitField(f.access, f.name, f.desc, f.signature, f.value);
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113 }
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114 }
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115
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116 private class F {
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117 private int access;
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118 private String name;
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119 private String desc;
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120 private String signature;
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121 private Object value;
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122 F(int access, String name, String desc, String signature, Object value) {
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123 this.access = access;
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124 this.name = name;
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125 this.desc = desc;
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126 this.signature = signature;
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127 this.value = value;
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128 }
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129 }
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130 }
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131
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132 @Override public byte[] transform(ClassLoader loader, String className,
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133 Class<?> classBeingRedefined,
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134 ProtectionDomain protectionDomain, byte[] classfileBuffer)
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135 throws IllegalClassFormatException {
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136
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137 if (className.contains("TypeAnnotatedTestClass")) {
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138 try {
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139 // Here we remove and re-add the dummy fields. This shuffles the constant pool
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140 return asm(loader, className, classBeingRedefined, protectionDomain, classfileBuffer);
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141 } catch (Throwable e) {
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142 // The retransform native code that called this method does not propagate
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143 // exceptions. Instead of getting an uninformative generic error, catch
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144 // problems here and print it, then exit.
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145 e.printStackTrace();
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146 System.exit(1);
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147 }
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148 }
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149 return null;
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150 }
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151 }
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152
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153 private static void buildAgent() {
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154 try {
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155 ClassFileInstaller.main("RedefineAnnotations");
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diff changeset
156 } catch (Exception e) {
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157 throw new RuntimeException("Could not write agent classfile", e);
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diff changeset
158 }
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diff changeset
159
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diff changeset
160 try {
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161 PrintWriter pw = new PrintWriter("MANIFEST.MF");
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162 pw.println("Premain-Class: RedefineAnnotations");
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163 pw.println("Agent-Class: RedefineAnnotations");
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164 pw.println("Can-Retransform-Classes: true");
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165 pw.close();
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166 } catch (FileNotFoundException e) {
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167 throw new RuntimeException("Could not write manifest file for the agent", e);
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168 }
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169
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170 sun.tools.jar.Main jarTool = new sun.tools.jar.Main(System.out, System.err, "jar");
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171 if (!jarTool.run(new String[] { "-cmf", "MANIFEST.MF", "redefineagent.jar", "RedefineAnnotations.class" })) {
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172 throw new RuntimeException("Could not write the agent jar file");
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173 }
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174 }
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175
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176 public static void main(String argv[]) throws NoSuchFieldException, NoSuchMethodException {
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177 if (argv.length == 1 && argv[0].equals("buildagent")) {
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178 buildAgent();
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179 return;
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180 }
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181
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182 if (inst == null) {
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183 throw new RuntimeException("Instrumentation object was null");
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184 }
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185
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186 RedefineAnnotations test = new RedefineAnnotations();
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187 test.testTransformAndVerify();
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188 }
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189
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190 // Class type annotations
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191 private Annotation classTypeParameterTA;
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192 private Annotation extendsTA;
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193 private Annotation implementsTA;
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194
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195 // Field type annotations
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196 private Annotation fieldTA;
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197 private Annotation innerTA;
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198 private Annotation[] arrayTA = new Annotation[4];
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199 private Annotation[] mapTA = new Annotation[5];
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200
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201 // Method type annotations
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202 private Annotation returnTA, methodTypeParameterTA, formalParameterTA, throwsTA;
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203
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204 private void testTransformAndVerify()
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205 throws NoSuchFieldException, NoSuchMethodException {
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parents:
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206
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207 Class<TypeAnnotatedTestClass> c = TypeAnnotatedTestClass.class;
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208 Class<?> myClass = c;
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parents:
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209
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aeriksso
parents:
diff changeset
210 /*
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211 * Verify that the expected annotations are where they should be before transform.
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parents:
diff changeset
212 */
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213 verifyClassTypeAnnotations(c);
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parents:
diff changeset
214 verifyFieldTypeAnnotations(c);
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parents:
diff changeset
215 verifyMethodTypeAnnotations(c);
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aeriksso
parents:
diff changeset
216
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aeriksso
parents:
diff changeset
217 try {
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diff changeset
218 inst.addTransformer(new Transformer(), true);
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parents:
diff changeset
219 inst.retransformClasses(myClass);
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parents:
diff changeset
220 } catch (UnmodifiableClassException e) {
50054b63f0aa 8057043: Type annotations not retained during class redefine / retransform
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parents:
diff changeset
221 throw new RuntimeException(e);
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parents:
diff changeset
222 }
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aeriksso
parents:
diff changeset
223
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aeriksso
parents:
diff changeset
224 /*
50054b63f0aa 8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
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225 * Verify that the expected annotations are where they should be after transform.
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aeriksso
parents:
diff changeset
226 * Also verify that before and after are equal.
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parents:
diff changeset
227 */
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228 verifyClassTypeAnnotations(c);
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parents:
diff changeset
229 verifyFieldTypeAnnotations(c);
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parents:
diff changeset
230 verifyMethodTypeAnnotations(c);
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aeriksso
parents:
diff changeset
231 }
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aeriksso
parents:
diff changeset
232
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233 private void verifyClassTypeAnnotations(Class c) {
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diff changeset
234 Annotation anno;
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aeriksso
parents:
diff changeset
235
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236 anno = c.getTypeParameters()[0].getAnnotations()[0];
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diff changeset
237 verifyTestAnn(classTypeParameterTA, anno, "classTypeParameter");
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parents:
diff changeset
238 classTypeParameterTA = anno;
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parents:
diff changeset
239
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aeriksso
parents:
diff changeset
240 anno = c.getAnnotatedSuperclass().getAnnotations()[0];
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aeriksso
parents:
diff changeset
241 verifyTestAnn(extendsTA, anno, "extends");
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aeriksso
parents:
diff changeset
242 extendsTA = anno;
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aeriksso
parents:
diff changeset
243
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aeriksso
parents:
diff changeset
244 anno = c.getAnnotatedInterfaces()[0].getAnnotations()[0];
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parents:
diff changeset
245 verifyTestAnn(implementsTA, anno, "implements");
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parents:
diff changeset
246 implementsTA = anno;
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aeriksso
parents:
diff changeset
247 }
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aeriksso
parents:
diff changeset
248
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diff changeset
249 private void verifyFieldTypeAnnotations(Class c)
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parents:
diff changeset
250 throws NoSuchFieldException, NoSuchMethodException {
50054b63f0aa 8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
diff changeset
251
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aeriksso
parents:
diff changeset
252 verifyBasicFieldTypeAnnotations(c);
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aeriksso
parents:
diff changeset
253 verifyInnerFieldTypeAnnotations(c);
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aeriksso
parents:
diff changeset
254 verifyArrayFieldTypeAnnotations(c);
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aeriksso
parents:
diff changeset
255 verifyMapFieldTypeAnnotations(c);
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aeriksso
parents:
diff changeset
256 }
50054b63f0aa 8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
diff changeset
257
50054b63f0aa 8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
diff changeset
258 private void verifyBasicFieldTypeAnnotations(Class c)
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parents:
diff changeset
259 throws NoSuchFieldException, NoSuchMethodException {
50054b63f0aa 8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
diff changeset
260
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aeriksso
parents:
diff changeset
261 Annotation anno = c.getDeclaredField("typeAnnotatedBoolean").getAnnotatedType().getAnnotations()[0];
50054b63f0aa 8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
diff changeset
262 verifyTestAnn(fieldTA, anno, "field");
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aeriksso
parents:
diff changeset
263 fieldTA = anno;
50054b63f0aa 8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
diff changeset
264 }
50054b63f0aa 8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
diff changeset
265
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aeriksso
parents:
diff changeset
266 private void verifyInnerFieldTypeAnnotations(Class c)
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aeriksso
parents:
diff changeset
267 throws NoSuchFieldException, NoSuchMethodException {
50054b63f0aa 8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
diff changeset
268
50054b63f0aa 8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
diff changeset
269 AnnotatedType at = c.getDeclaredField("typeAnnotatedInner").getAnnotatedType();
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aeriksso
parents:
diff changeset
270 Annotation anno = at.getAnnotations()[0];
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aeriksso
parents:
diff changeset
271 verifyTestAnn(innerTA, anno, "inner");
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aeriksso
parents:
diff changeset
272 innerTA = anno;
50054b63f0aa 8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
diff changeset
273 }
50054b63f0aa 8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
diff changeset
274
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aeriksso
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diff changeset
275 private void verifyArrayFieldTypeAnnotations(Class c)
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parents:
diff changeset
276 throws NoSuchFieldException, NoSuchMethodException {
50054b63f0aa 8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
diff changeset
277
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aeriksso
parents:
diff changeset
278 Annotation anno;
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aeriksso
parents:
diff changeset
279 AnnotatedType at;
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aeriksso
parents:
diff changeset
280
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aeriksso
parents:
diff changeset
281 at = c.getDeclaredField("typeAnnotatedArray").getAnnotatedType();
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parents:
diff changeset
282 anno = at.getAnnotations()[0];
50054b63f0aa 8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
diff changeset
283 verifyTestAnn(arrayTA[0], anno, "array1");
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aeriksso
parents:
diff changeset
284 arrayTA[0] = anno;
50054b63f0aa 8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
diff changeset
285
50054b63f0aa 8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
diff changeset
286 for (int i = 1; i <= 3; i++) {
50054b63f0aa 8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
diff changeset
287 at = ((AnnotatedArrayType) at).getAnnotatedGenericComponentType();
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parents:
diff changeset
288 anno = at.getAnnotations()[0];
50054b63f0aa 8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
diff changeset
289 verifyTestAnn(arrayTA[i], anno, "array" + (i + 1));
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aeriksso
parents:
diff changeset
290 arrayTA[i] = anno;
50054b63f0aa 8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
diff changeset
291 }
50054b63f0aa 8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
diff changeset
292 }
50054b63f0aa 8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
diff changeset
293
50054b63f0aa 8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
diff changeset
294 private void verifyMapFieldTypeAnnotations(Class c)
50054b63f0aa 8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
diff changeset
295 throws NoSuchFieldException, NoSuchMethodException {
50054b63f0aa 8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
diff changeset
296
50054b63f0aa 8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
diff changeset
297 Annotation anno;
50054b63f0aa 8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
diff changeset
298 AnnotatedType atBase;
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aeriksso
parents:
diff changeset
299 AnnotatedType atParameter;
50054b63f0aa 8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
diff changeset
300 atBase = c.getDeclaredField("typeAnnotatedMap").getAnnotatedType();
50054b63f0aa 8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
diff changeset
301
50054b63f0aa 8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
diff changeset
302 anno = atBase.getAnnotations()[0];
50054b63f0aa 8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
diff changeset
303 verifyTestAnn(mapTA[0], anno, "map1");
50054b63f0aa 8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
diff changeset
304 mapTA[0] = anno;
50054b63f0aa 8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
diff changeset
305
50054b63f0aa 8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
diff changeset
306 atParameter =
50054b63f0aa 8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
diff changeset
307 ((AnnotatedParameterizedType) atBase).
50054b63f0aa 8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
diff changeset
308 getAnnotatedActualTypeArguments()[0];
50054b63f0aa 8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
diff changeset
309 anno = ((AnnotatedWildcardType) atParameter).getAnnotations()[0];
50054b63f0aa 8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
diff changeset
310 verifyTestAnn(mapTA[1], anno, "map2");
50054b63f0aa 8057043: Type annotations not retained during class redefine / retransform
aeriksso
parents:
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311 mapTA[1] = anno;
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312
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313 anno =
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314 ((AnnotatedWildcardType) atParameter).
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315 getAnnotatedUpperBounds()[0].getAnnotations()[0];
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316 verifyTestAnn(mapTA[2], anno, "map3");
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317 mapTA[2] = anno;
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318
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319 atParameter =
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320 ((AnnotatedParameterizedType) atBase).
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321 getAnnotatedActualTypeArguments()[1];
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322 anno = ((AnnotatedParameterizedType) atParameter).getAnnotations()[0];
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323 verifyTestAnn(mapTA[3], anno, "map4");
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324 mapTA[3] = anno;
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325
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326 anno =
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327 ((AnnotatedParameterizedType) atParameter).
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328 getAnnotatedActualTypeArguments()[0].getAnnotations()[0];
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329 verifyTestAnn(mapTA[4], anno, "map5");
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330 mapTA[4] = anno;
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331 }
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332
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333 private void verifyMethodTypeAnnotations(Class c)
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334 throws NoSuchFieldException, NoSuchMethodException {
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335 Annotation anno;
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336 Executable typeAnnotatedMethod =
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337 c.getDeclaredMethod("typeAnnotatedMethod", TypeAnnotatedTestClass.class);
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338
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339 anno = typeAnnotatedMethod.getAnnotatedReturnType().getAnnotations()[0];
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340 verifyTestAnn(returnTA, anno, "return");
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341 returnTA = anno;
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342
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343 anno = typeAnnotatedMethod.getTypeParameters()[0].getAnnotations()[0];
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344 verifyTestAnn(methodTypeParameterTA, anno, "methodTypeParameter");
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345 methodTypeParameterTA = anno;
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346
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347 anno = typeAnnotatedMethod.getAnnotatedParameterTypes()[0].getAnnotations()[0];
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348 verifyTestAnn(formalParameterTA, anno, "formalParameter");
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349 formalParameterTA = anno;
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350
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351 anno = typeAnnotatedMethod.getAnnotatedExceptionTypes()[0].getAnnotations()[0];
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352 verifyTestAnn(throwsTA, anno, "throws");
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353 throwsTA = anno;
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354 }
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355
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356 private static void verifyTestAnn(Annotation verifyAgainst, Annotation anno, String expectedSite) {
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357 verifyTestAnnSite(anno, expectedSite);
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358
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359 // When called before transform verifyAgainst will be null, when called
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360 // after transform it will be the annotation from before the transform
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361 if (verifyAgainst != null) {
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362 assertTrue(anno.equals(verifyAgainst),
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363 "Annotations do not match before and after." +
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364 " Before: \"" + verifyAgainst + "\", After: \"" + anno + "\"");
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365 }
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366 }
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367
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368 private static void verifyTestAnnSite(Annotation testAnn, String expectedSite) {
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369 String expectedAnn = "@TestAnn(site=" + expectedSite + ")";
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370 assertTrue(testAnn.toString().equals(expectedAnn),
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371 "Expected \"" + expectedAnn + "\", got \"" + testAnn + "\"");
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372 }
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373
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374 public static class TypeAnnotatedTestClass <@TestAnn(site="classTypeParameter") S,T>
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375 extends @TestAnn(site="extends") Thread
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376 implements @TestAnn(site="implements") Runnable {
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377
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378 public @TestAnn(site="field") boolean typeAnnotatedBoolean;
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379
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380 public
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381 RedefineAnnotations.
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382 @TestAnn(site="inner") TypeAnnotatedTestClass
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383 typeAnnotatedInner;
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384
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385 public
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386 @TestAnn(site="array4") boolean
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387 @TestAnn(site="array1") []
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388 @TestAnn(site="array2") []
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389 @TestAnn(site="array3") []
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390 typeAnnotatedArray;
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391
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392 public @TestAnn(site="map1") Map
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393 <@TestAnn(site="map2") ? extends @TestAnn(site="map3") String,
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394 @TestAnn(site="map4") List<@TestAnn(site="map5") Object>> typeAnnotatedMap;
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395
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396 public int dummy1;
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397 public int dummy2;
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398 public int dummy3;
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399
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400 @TestAnn(site="return") <@TestAnn(site="methodTypeParameter") U,V> Class
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401 typeAnnotatedMethod(@TestAnn(site="formalParameter") TypeAnnotatedTestClass arg)
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402 throws @TestAnn(site="throws") ClassNotFoundException {
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403
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404 @TestAnn(site="local_variable_type") int foo = 0;
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405 throw new ClassNotFoundException();
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406 }
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407
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408 public void run() {}
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409 }
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410 }