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1 /* |
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2 * Copyright 2008 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
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20 * CA 95054 USA or visit www.sun.com if you need additional information or |
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21 * have any 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 com.sun.tools.classfile.*; |
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26 |
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27 /* |
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28 * @test Visibility |
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29 * @bug 6843077 |
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30 * @summary test that type annotations are recorded in the classfile |
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31 */ |
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32 |
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33 public class Visibility { |
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34 public static void main(String[] args) throws Exception { |
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35 new Visibility().run(); |
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36 } |
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37 |
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38 public void run() throws Exception { |
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39 File javaFile = writeTestFile(); |
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40 File classFile = compileTestFile(javaFile); |
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41 |
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42 ClassFile cf = ClassFile.read(classFile); |
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43 for (Method m: cf.methods) { |
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44 test(cf, m); |
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45 } |
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46 |
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47 countAnnotations(); |
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48 |
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49 if (errors > 0) |
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50 throw new Exception(errors + " errors found"); |
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51 System.out.println("PASSED"); |
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52 } |
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53 |
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54 void test(ClassFile cf, Method m) { |
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55 test(cf, m, Attribute.RuntimeVisibleTypeAnnotations, true); |
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56 test(cf, m, Attribute.RuntimeInvisibleTypeAnnotations, false); |
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57 } |
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58 |
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59 // test the result of Attributes.getIndex according to expectations |
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60 // encoded in the method's name |
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61 void test(ClassFile cf, Method m, String name, boolean visible) { |
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62 int index = m.attributes.getIndex(cf.constant_pool, name); |
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63 if (index != -1) { |
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64 Attribute attr = m.attributes.get(index); |
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65 assert attr instanceof RuntimeTypeAnnotations_attribute; |
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66 RuntimeTypeAnnotations_attribute tAttr = (RuntimeTypeAnnotations_attribute)attr; |
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67 all += tAttr.annotations.length; |
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68 if (visible) |
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69 visibles += tAttr.annotations.length; |
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70 else |
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71 invisibles += tAttr.annotations.length; |
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72 } |
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73 } |
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74 |
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75 File writeTestFile() throws IOException { |
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76 File f = new File("Test.java"); |
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77 PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(f))); |
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78 out.println("import java.lang.annotation.Retention;"); |
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79 out.println("import java.lang.annotation.RetentionPolicy;"); |
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80 out.println("abstract class Test { "); |
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81 // visible annotations: RUNTIME |
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82 out.println(" @Retention(RetentionPolicy.RUNTIME)"); |
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83 out.println(" @interface A { }"); |
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84 out.println(" void visible() @A { }"); |
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85 |
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86 // invisible annotations: CLASS |
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87 out.println(" @Retention(RetentionPolicy.CLASS)"); |
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88 out.println(" @interface B { }"); |
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89 out.println(" void invisible() @B { }"); |
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90 |
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91 // source annotations |
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92 out.println(" @Retention(RetentionPolicy.SOURCE)"); |
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93 out.println(" @interface C { }"); |
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94 out.println(" void source() @C { }"); |
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95 |
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96 // default visibility: CLASS |
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97 out.println(" @interface D { }"); |
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98 out.println(" void def() @D { }"); |
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99 out.println("}"); |
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100 out.close(); |
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101 return f; |
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102 } |
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103 |
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104 File compileTestFile(File f) { |
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105 int rc = com.sun.tools.javac.Main.compile(new String[] { "-source", "1.7", "-g", f.getPath() }); |
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106 if (rc != 0) |
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107 throw new Error("compilation failed. rc=" + rc); |
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108 String path = f.getPath(); |
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109 return new File(path.substring(0, path.length() - 5) + ".class"); |
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110 } |
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111 |
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112 void countAnnotations() { |
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113 int expected_all = 3, expected_visibles = 1, expected_invisibles = 2; |
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114 |
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115 if (expected_all != all) { |
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116 errors++; |
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117 System.err.println("expected " + expected_all |
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118 + " annotations but found " + all); |
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119 } |
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120 |
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121 if (expected_visibles != visibles) { |
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122 errors++; |
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123 System.err.println("expected " + expected_visibles |
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124 + " visibles annotations but found " + visibles); |
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125 } |
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126 |
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127 if (expected_invisibles != invisibles) { |
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128 errors++; |
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129 System.err.println("expected " + expected_invisibles |
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130 + " invisibles annotations but found " + invisibles); |
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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 int errors; |
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136 int all; |
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137 int visibles; |
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138 int invisibles; |
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139 } |