1 /* 2 * Copyright (c) 2008, 2013, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 import java.io.*; 25 import com.sun.tools.classfile.*; 26 27 /* 28 * @test JSR175Annotations 29 * @bug 6843077 30 * @summary test that only type annotations are recorded as such in classfile 31 */ 32 33 public class JSR175Annotations { 34 public static void main(String[] args) throws Exception { 35 new JSR175Annotations().run(); 36 } 37 38 public void run() throws Exception { 39 File javaFile = writeTestFile(); 40 File classFile = compileTestFile(javaFile); 41 42 ClassFile cf = ClassFile.read(classFile); 43 for (Field f : cf.fields) { 44 test(cf, f); 45 } 46 for (Method m: cf.methods) { 47 test(cf, m); 48 } 49 50 countAnnotations(); 51 52 if (errors > 0) 53 throw new Exception(errors + " errors found"); 54 System.out.println("PASSED"); 55 } 56 57 void test(ClassFile cf, Method m) { 58 test(cf, m, Attribute.RuntimeVisibleTypeAnnotations, true); 59 test(cf, m, Attribute.RuntimeInvisibleTypeAnnotations, false); 60 } 61 62 void test(ClassFile cf, Field m) { 63 test(cf, m, Attribute.RuntimeVisibleTypeAnnotations, true); 64 test(cf, m, Attribute.RuntimeInvisibleTypeAnnotations, false); 65 } 66 67 // test the result of Attributes.getIndex according to expectations 68 // encoded in the method's name 69 void test(ClassFile cf, Method m, String name, boolean visible) { 70 int index = m.attributes.getIndex(cf.constant_pool, name); 71 if (index != -1) { 72 Attribute attr = m.attributes.get(index); 73 assert attr instanceof RuntimeTypeAnnotations_attribute; 74 RuntimeTypeAnnotations_attribute tAttr = (RuntimeTypeAnnotations_attribute)attr; 75 all += tAttr.annotations.length; 76 if (visible) 77 visibles += tAttr.annotations.length; 78 else 79 invisibles += tAttr.annotations.length; 80 } 81 } 82 83 // test the result of Attributes.getIndex according to expectations 84 // encoded in the method's name 85 void test(ClassFile cf, Field m, String name, boolean visible) { 86 int index = m.attributes.getIndex(cf.constant_pool, name); 87 if (index != -1) { 88 Attribute attr = m.attributes.get(index); 89 assert attr instanceof RuntimeTypeAnnotations_attribute; 90 RuntimeTypeAnnotations_attribute tAttr = (RuntimeTypeAnnotations_attribute)attr; 91 all += tAttr.annotations.length; 92 if (visible) 93 visibles += tAttr.annotations.length; 94 else 95 invisibles += tAttr.annotations.length; 96 } 97 } 98 99 File writeTestFile() throws IOException { 100 File f = new File("Test.java"); 101 PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(f))); 102 out.println("import java.lang.annotation.*;"); 103 out.println("abstract class Test { "); 104 out.println(" @Target({ElementType.FIELD, ElementType.METHOD, ElementType.PARAMETER})"); 105 out.println(" @Retention(RetentionPolicy.RUNTIME)"); 106 out.println(" @interface A { }"); 107 out.println(" @A String m;"); 108 out.println(" @A String method(@A String a) {"); 109 out.println(" return a;"); 110 out.println(" }"); 111 out.println("}"); 112 out.close(); 113 return f; 114 } 115 116 File compileTestFile(File f) { 117 int rc = com.sun.tools.javac.Main.compile(new String[] { "-source", "1.8", "-g", f.getPath() }); 118 if (rc != 0) 119 throw new Error("compilation failed. rc=" + rc); 120 String path = f.getPath(); 121 return new File(path.substring(0, path.length() - 5) + ".class"); 122 } 123 124 void countAnnotations() { 125 int expected_visibles = 0, expected_invisibles = 0; 126 int expected_all = expected_visibles + expected_invisibles; 127 128 if (expected_all != all) { 129 errors++; 130 System.err.println("expected " + expected_all 131 + " annotations but found " + all); 132 } 133 134 if (expected_visibles != visibles) { 135 errors++; 136 System.err.println("expected " + expected_visibles 137 + " visibles annotations but found " + visibles); 138 } 139 140 if (expected_invisibles != invisibles) { 141 errors++; 142 System.err.println("expected " + expected_invisibles 143 + " invisibles annotations but found " + invisibles); 144 } 145 146 } 147 148 int errors; 149 int all; 150 int visibles; 151 int invisibles; 152 }