1 /* 2 * Copyright (c) 2011, 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 /* 25 * @test 26 * @bug 7086192 27 * @summary Verify functionality of AnnotatedElement methods on type variables 28 * @author Joseph D. Darcy 29 */ 30 31 import java.lang.reflect.*; 32 import java.lang.annotation.*; 33 34 public class TestAnnotatedElement<A> { 35 // Type variable on a method 36 private static <B> B m(B b) {return null;} 37 38 // Type variable on a construtor 39 private <C> TestAnnotatedElement(){super();} 40 41 public static void main(String... argv) throws ReflectiveOperationException { 42 int errors = 0; 43 44 Class<?> clazz = TestAnnotatedElement.class; 45 errors += testTypeVariable(clazz.getTypeParameters()); 46 errors += testTypeVariable(clazz.getDeclaredConstructor().getTypeParameters()); 47 errors += testTypeVariable(clazz.getDeclaredMethod("m", Object.class).getTypeParameters()); 48 49 if (errors > 0) 50 throw new RuntimeException(errors + " failures"); 51 } 52 53 54 private static int testTypeVariable(TypeVariable<?>[] typeVars) { 55 int errors = 0; 56 if (typeVars.length == 0) 57 return ++errors; 58 59 for(TypeVariable<?> typeVar : typeVars) { 60 try { 61 typeVar.getAnnotation(null); 62 errors++; 63 } catch(NullPointerException npe) { 64 ; // Expected 65 } 66 67 if (typeVar.getAnnotation(SuppressWarnings.class) != null) 68 errors++; 69 70 try { 71 typeVar.isAnnotationPresent(null); 72 errors++; 73 } catch(NullPointerException npe) { 74 ; // Expected 75 } 76 77 if (typeVar.isAnnotationPresent(SuppressWarnings.class)) 78 errors++; 79 80 if(typeVar.getAnnotations().length != 0) 81 errors++; 82 83 if(typeVar.getDeclaredAnnotations().length != 0) 84 errors++; 85 } 86 return errors; 87 } 88 }