1 /*
   2  * Copyright 2004-2006 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  20  * CA 95054 USA or visit www.sun.com if you need additional information or
  21  * have any questions.
  22  */
  23 
  24 /*
  25  * @test
  26  * @bug 5033583 6316717 6470106
  27  * @summary Check toGenericString() and toString() methods
  28  * @author Joseph D. Darcy
  29  * @compile -source 1.5 GenericStringTest.java
  30  * @run main GenericStringTest
  31  */
  32 
  33 import java.lang.reflect.*;
  34 import java.lang.annotation.*;
  35 import java.util.*;
  36 
  37 public class GenericStringTest {
  38     public static void main(String argv[]) throws Exception{
  39         int failures = 0;
  40         List<Class<?>> classList = new LinkedList<Class<?>>();
  41         classList.add(TestClass1.class);
  42         classList.add(TestClass2.class);
  43 
  44 
  45         for(Class<?> clazz: classList)
  46             for(Constructor<?> ctor: clazz.getDeclaredConstructors()) {
  47                 ExpectedGenericString egs = ctor.getAnnotation(ExpectedGenericString.class);
  48                 String actual = ctor.toGenericString();
  49                 System.out.println(actual);
  50                 if (! egs.value().equals(actual)) {
  51                     failures++;
  52                     System.err.printf("ERROR: Expected generic string ''%s''; got ''%s''.\n",
  53                                       egs.value(), actual);
  54                 }
  55 
  56                 if (ctor.isAnnotationPresent(ExpectedString.class)) {
  57                     ExpectedString es = ctor.getAnnotation(ExpectedString.class);
  58                     String result = ctor.toString();
  59                     if (! es.value().equals(result)) {
  60                         failures++;
  61                         System.err.printf("ERROR: Expected ''%s''; got ''%s''.\n",
  62                                           es.value(), result);
  63                     }
  64                 }
  65             }
  66 
  67         if (failures > 0) {
  68             System.err.println("Test failed.");
  69             throw new RuntimeException();
  70         }
  71     }
  72 }
  73 
  74 class TestClass1 {
  75     @ExpectedGenericString(
  76    "TestClass1(int,double)")
  77     TestClass1(int x, double y) {}
  78 
  79     @ExpectedGenericString(
  80    "private TestClass1(int,int)")
  81     private TestClass1(int x, int param2) {}
  82 
  83     @ExpectedGenericString(
  84    "private TestClass1(java.lang.Object) throws java.lang.RuntimeException")
  85     private TestClass1(Object o) throws RuntimeException {}
  86 
  87     @ExpectedGenericString(
  88    "protected <S,T> TestClass1(S,T) throws java.lang.Exception")
  89     protected <S, T> TestClass1(S s, T t) throws Exception{}
  90 
  91     @ExpectedGenericString(
  92    "TestClass1(java.lang.Object...)")
  93     @ExpectedString(
  94    "TestClass1(java.lang.Object[])")
  95     TestClass1(Object... o){}
  96 }
  97 
  98 class TestClass2<E> {
  99     @ExpectedGenericString(
 100    "public <T> TestClass2(E,T)")
 101     public <T> TestClass2(E e, T t) {}
 102 }
 103 
 104 @Retention(RetentionPolicy.RUNTIME)
 105 @interface ExpectedGenericString {
 106     String value();
 107 }
 108 
 109 @Retention(RetentionPolicy.RUNTIME)
 110 @interface ExpectedString {
 111     String value();
 112 }