1 /*
2  * Copyright (c) 2004, 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
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22  */
23 
24 /*
25  * @test
26  * @bug 5073079
27  * @summary Allow unchecked override of generified methods in
28  * parameterless classes
29  * @author Peter von der Ah\u00e9
30  *
31  * @compile -Xlint:unchecked -Werror AttributeSet.java
32  */
33 
34 interface Attribute<T> { }
35 
36 interface AttributeSet2 {
get(Class<T> category)37     <T> Attribute<?> get(Class<T> category);
38 }
39 
40 class AttributeSet2Impl implements AttributeSet2 {
get(Class category)41     public Attribute get(Class category) { return null; }
42 }
43 
44 interface AttributeSet3 {
get(Class<?> category)45     Attribute<?> get(Class<?> category);
46 }
47 
48 class AttributeSet3Impl implements AttributeSet3 {
get(Class category)49     public Attribute get(Class category) { return null; }
50 }
51 
52 interface AttributeSet4 {
get(Number category)53     Attribute<?> get(Number category);
54 }
55 
56 class AttributeSet4Impl implements AttributeSet4 {
get(Number category)57     public Attribute get(Number category) { return null; }
58 }
59 
60 interface AttributeSet5 {
get(Attribute<Number> category)61     Attribute<?> get(Attribute<Number> category);
62 }
63 
64 class AttributeSet5Impl implements AttributeSet5 {
get(Attribute category)65     public Attribute get(Attribute category) { return null; }
66 }
67 
68 interface I1<T> {
f(Attribute<T> l)69     void f(Attribute<T> l);
70 }
71 
72 class C1 implements I1<String> {
f(Attribute l)73     public void f(Attribute l) { }
test()74     void test() {
75         Attribute<Number> n = null;
76         f(n);
77     }
78 }
79 
80 interface A2 {
f(Attribute<String> a)81     void f(Attribute<String> a);
82 }
83 
84 class B2 {
f(Attribute a)85     public void f(Attribute a) { }
86 }
87 
88 class C2 extends B2 implements A2 {
test(Attribute<Number> a)89     void test(Attribute<Number> a) {
90         f(a);
91     }
92 }
93