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1 /* |
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2 * Copyright (c) 2008 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 import java.io.*; |
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25 import java.lang.annotation.Retention; |
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26 import java.lang.annotation.RetentionPolicy; |
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27 import java.net.URL; |
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28 import java.util.List; |
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29 |
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30 import com.sun.tools.classfile.*; |
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31 |
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32 /* |
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33 * @test NoTargetAnnotations |
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34 * @summary test that annotations with no Target meta type is emitted |
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35 * only once as declaration annotation |
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36 */ |
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37 public class NoTargetAnnotations { |
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38 |
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39 public static void main(String[] args) throws Exception { |
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40 new NoTargetAnnotations().run(); |
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41 } |
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42 |
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43 public void run() throws Exception { |
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44 ClassFile cf = getClassFile("NoTargetAnnotations$Test.class"); |
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45 for (Field f : cf.fields) { |
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46 test(cf, f); |
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47 testDeclaration(cf, f); |
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48 } |
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49 for (Method m: cf.methods) { |
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50 test(cf, m); |
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51 testDeclaration(cf, m); |
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52 } |
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53 |
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54 countAnnotations(); |
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55 |
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56 if (errors > 0) |
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57 throw new Exception(errors + " errors found"); |
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58 System.out.println("PASSED"); |
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59 } |
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60 |
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61 ClassFile getClassFile(String name) throws IOException, ConstantPoolException { |
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62 URL url = getClass().getResource(name); |
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63 InputStream in = url.openStream(); |
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64 try { |
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65 return ClassFile.read(in); |
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66 } finally { |
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67 in.close(); |
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68 } |
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69 } |
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70 |
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71 /************ Helper annotations counting methods ******************/ |
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72 void test(ClassFile cf, Method m) { |
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73 test(cf, m, Attribute.RuntimeVisibleTypeAnnotations, true); |
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74 test(cf, m, Attribute.RuntimeInvisibleTypeAnnotations, false); |
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75 } |
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76 |
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77 void test(ClassFile cf, Field m) { |
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78 test(cf, m, Attribute.RuntimeVisibleTypeAnnotations, true); |
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79 test(cf, m, Attribute.RuntimeInvisibleTypeAnnotations, false); |
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80 } |
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81 |
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82 void testDeclaration(ClassFile cf, Method m) { |
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83 testDecl(cf, m, Attribute.RuntimeVisibleAnnotations, true); |
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84 testDecl(cf, m, Attribute.RuntimeInvisibleAnnotations, false); |
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85 } |
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86 |
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87 void testDeclaration(ClassFile cf, Field m) { |
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88 testDecl(cf, m, Attribute.RuntimeVisibleAnnotations, true); |
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89 testDecl(cf, m, Attribute.RuntimeInvisibleAnnotations, false); |
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90 } |
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91 |
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92 // test the result of Attributes.getIndex according to expectations |
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93 // encoded in the method's name |
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94 void test(ClassFile cf, Method m, String name, boolean visible) { |
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95 int index = m.attributes.getIndex(cf.constant_pool, name); |
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96 if (index != -1) { |
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97 Attribute attr = m.attributes.get(index); |
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98 assert attr instanceof RuntimeTypeAnnotations_attribute; |
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99 RuntimeTypeAnnotations_attribute tAttr = (RuntimeTypeAnnotations_attribute)attr; |
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100 all += tAttr.annotations.length; |
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101 if (visible) |
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102 visibles += tAttr.annotations.length; |
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103 else |
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104 invisibles += tAttr.annotations.length; |
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105 } |
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106 } |
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107 |
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108 // test the result of Attributes.getIndex according to expectations |
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109 // encoded in the method's name |
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110 void test(ClassFile cf, Field m, String name, boolean visible) { |
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111 int index = m.attributes.getIndex(cf.constant_pool, name); |
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112 if (index != -1) { |
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113 Attribute attr = m.attributes.get(index); |
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114 assert attr instanceof RuntimeTypeAnnotations_attribute; |
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115 RuntimeTypeAnnotations_attribute tAttr = (RuntimeTypeAnnotations_attribute)attr; |
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116 all += tAttr.annotations.length; |
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117 if (visible) |
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118 visibles += tAttr.annotations.length; |
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119 else |
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120 invisibles += tAttr.annotations.length; |
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121 } |
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122 } |
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123 |
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124 // test the result of Attributes.getIndex according to expectations |
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125 // encoded in the method's name |
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126 void testDecl(ClassFile cf, Method m, String name, boolean visible) { |
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127 int index = m.attributes.getIndex(cf.constant_pool, name); |
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128 if (index != -1) { |
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129 Attribute attr = m.attributes.get(index); |
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130 assert attr instanceof RuntimeAnnotations_attribute; |
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131 RuntimeAnnotations_attribute tAttr = (RuntimeAnnotations_attribute)attr; |
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132 this.declAnnotations += tAttr.annotations.length; |
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133 } |
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134 } |
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135 |
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136 // test the result of Attributes.getIndex according to expectations |
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137 // encoded in the method's name |
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138 void testDecl(ClassFile cf, Field m, String name, boolean visible) { |
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139 int index = m.attributes.getIndex(cf.constant_pool, name); |
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140 if (index != -1) { |
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141 Attribute attr = m.attributes.get(index); |
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142 assert attr instanceof RuntimeAnnotations_attribute; |
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143 RuntimeAnnotations_attribute tAttr = (RuntimeAnnotations_attribute)attr; |
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144 this.declAnnotations += tAttr.annotations.length; |
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145 } |
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146 } |
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147 |
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148 File compileTestFile(File f) { |
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149 int rc = com.sun.tools.javac.Main.compile(new String[] { "-XDTA:writer", "-source", "1.8", "-g", f.getPath() }); |
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150 if (rc != 0) |
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151 throw new Error("compilation failed. rc=" + rc); |
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152 String path = f.getPath(); |
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153 return new File(path.substring(0, path.length() - 5) + ".class"); |
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154 } |
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155 |
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156 void countAnnotations() { |
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157 int expected_all = expected_visibles + expected_invisibles; |
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158 |
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159 if (expected_all != all) { |
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160 errors++; |
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161 System.err.println("expected " + expected_all |
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162 + " annotations but found " + all); |
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163 } |
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164 |
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165 if (expected_visibles != visibles) { |
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166 errors++; |
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167 System.err.println("expected " + expected_visibles |
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168 + " visibles annotations but found " + visibles); |
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169 } |
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170 |
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171 if (expected_invisibles != invisibles) { |
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172 errors++; |
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173 System.err.println("expected " + expected_invisibles |
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174 + " invisibles annotations but found " + invisibles); |
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175 } |
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176 |
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177 if (expected_decl != declAnnotations) { |
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178 errors++; |
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179 System.err.println("expected " + expected_decl |
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180 + " declaration annotations but found " + declAnnotations); |
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181 } |
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182 } |
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183 |
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184 int errors; |
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185 int all; |
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186 int visibles; |
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187 int invisibles; |
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188 |
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189 int declAnnotations; |
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190 |
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191 /*********************** Test class *************************/ |
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192 static int expected_invisibles = 0; |
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193 static int expected_visibles = 0; |
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194 static int expected_decl = 1; |
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195 |
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196 static class Test { |
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197 @Retention(RetentionPolicy.RUNTIME) |
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198 @interface A {} |
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199 |
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200 @A String method() { |
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201 return null; |
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202 } |
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203 } |
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204 } |