1 /*
   2  * Copyright (c) 2018, 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 8058202
  27  * @summary Test java.lang.Object methods on AnnotatedType's.
  28  */
  29 
  30 import java.lang.reflect.*;
  31 import java.util.*;
  32 
  33 /*
  34  * Testing notes: see if type.toString() is a postfix of AnnotatedType.toString()
  35  
  36  * For the annotations, for multiple annotations, compare with
  37  * a runtime construction since the order of annotations from
  38  * getAnnotations is not specified.
  39  */
  40 
  41 
  42 /**
  43  * Test toString, equals, and hashCode on various AnnotatedType objects.
  44  */
  45 public class TestObjectMethods {
  46 
  47     public static void main(String... args) {
  48         testToString();
  49     }
  50 
  51     static void testToString() {
  52         Method[] methods = TypeAnnotationHost.class.getDeclaredMethods();
  53         for (Method m : methods) {
  54             AnnotatedType annotType = m.getAnnotatedReturnType();
  55             String annotTypeString = annotType.toString();
  56 
  57             Type type = m.getGenericReturnType();
  58             String typeString = type.toString();
  59 
  60             System.out.println(typeString + "\t\t" + annotTypeString +
  61                                "\t" + annotTypeString.endsWith(typeString));
  62         }
  63     }
  64 
  65     /*
  66      * There are various subtypes of AnnotatedType implementations:
  67      * 
  68      * AnnotatedType
  69      * AnnotatedArrayType
  70      * AnnotatedParameterizedType
  71      * AnnotatedTypeVariable
  72      * AnnotatedWildcardType
  73      *
  74      * The implementations of each these implementions should be examined.
  75      */
  76 
  77     static class TypeAnnotationHost<E, F extends Number> {
  78         public int foo() {return 0;}
  79         public String fooString() {return null;}
  80 
  81         public int[] fooIntArray() {return null;}
  82         public String[] fooStringArray() {return null;}
  83 
  84         public Set<String> fooSetString() {return null;}
  85         public E fooE() {return null;}
  86         public F fooF() {return null;}
  87         public <G> G fooG() {return null;}
  88 
  89         public  Set<? extends Number> fooNumberSet() {return null;}
  90         public  Set<? extends Number> fooNumberSet2() {return null;}
  91     }
  92 }