Mon, 17 Oct 2011 12:54:33 +0100
7097436: Project Coin: duplicate varargs warnings on method annotated with @SafeVarargs
Summary: Duplicate aliasing check during subtyping leads to spurious varargs diagnostic
Reviewed-by: jjg
1 /*
2 * Copyright (c) 2005, 2006, 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 */
24 /**
25 * @test
26 * @bug 4986256
27 * @compile Serial.java
28 * @compile -Xlint:serial Serial.java
29 * @compile -Xlint:all Serial.java
30 * @compile -Werror Serial.java
31 * @compile/fail -Werror -Xlint:serial Serial.java
32 */
34 import java.io.Serializable;
36 // control: this class should generate warnings
37 class Serial implements Serializable
38 {
39 static class Inner implements Serializable
40 {
41 }
43 @SuppressWarnings("serial")
44 void m() {
45 class Inner implements Serializable
46 {
47 }
48 }
49 }
51 // tests: the warnings that would otherwise be generated should all be suppressed
52 @SuppressWarnings("serial")
53 class Serial1 implements Serializable
54 {
55 static class Inner implements Serializable
56 {
57 }
58 }
60 class Serial2
61 {
62 @SuppressWarnings("serial")
63 static class Inner implements Serializable
64 {
65 }
67 @SuppressWarnings("serial")
68 void m() {
69 class Inner implements Serializable
70 {
71 }
72 }
73 }
75 // this class should produce warnings because @SuppressWarnings should not be inherited
76 class Serial3 extends Serial1
77 {
78 static class Inner implements Serializable
79 {
80 }
81 }