1/* 2 * Copyright (c) 2007, 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 6422403 27 * @summary Tests property types for generics 28 * @author Sergey Malenkov 29 */ 30 31import java.beans.PropertyDescriptor; 32 33public class Test6422403 { 34 public static void main(String[] args) { 35 test(Grand.class, "array", new Object[0].getClass()); 36 37 test(Parent.class, "array", new Number[0].getClass()); 38 test(Parent.class, "number", Number.class); 39 40 test(Child.class, "array", new Long[0].getClass()); 41 test(Child.class, "number", Long.class); 42 test(Child.class, "value", Long.class); 43 } 44 45 private static void test(Class type, String name, Class expected) { 46 PropertyDescriptor pd = BeanUtils.getPropertyDescriptor(type, name); 47 if (name.equals(pd.getName())) 48 if (!expected.equals(pd.getPropertyType())) 49 throw new Error("expected " + expected + " but " + pd.getPropertyType() + " is resolved"); 50 } 51 52 private static class Grand<A> { 53 private A[] array; 54 55 public A[] getArray() { 56 return this.array; 57 } 58 59 public void setArray(A...array) { 60 this.array = array; 61 } 62 } 63 64 private static class Parent<N extends Number> extends Grand<N> { 65 private N number; 66 67 public N getNumber() { 68 return this.number; 69 } 70 71 public void setNumber(N number) { 72 this.number = number; 73 } 74 } 75 76 private static class Child extends Parent<Long> { 77 private Long value; 78 79 public Long getValue() { 80 return this.value; 81 } 82 83 public void setValue(Long value) { 84 this.value = value; 85 } 86 } 87} 88