Fri, 10 Dec 2010 15:24:17 +0000
6199075: Unambiguous varargs method calls flagged as ambiguous
Summary: javac does not implement overload resolution w.r.t. varargs methods as described in the JLS
Reviewed-by: jjg
1 /*
2 * Copyright (c) 2010, 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 6943289
27 * @summary Project Coin: Improved Exception Handling for Java (aka 'multicatch')
28 *
29 */
31 public class Pos02 {
33 static class A extends Exception {}
34 static class B extends Exception {}
35 static class C extends Exception {}
36 static class C1 extends C {}
37 static class C2 extends C {}
39 enum ExceptionKind {
40 A,
41 B,
42 C1,
43 C2
44 }
46 static int caughtExceptions = 0;
47 static int caughtRethrownExceptions = 0;
49 static void test(ExceptionKind ekind) throws A, C1 {
50 try {
51 switch (ekind) {
52 case A : throw new A();
53 case B : throw new B();
54 case C1: throw new C1();
55 case C2 : throw new C2();
56 }
57 }
58 catch (final C2 | B ex) {
59 caughtExceptions++;
60 }
61 catch (final C | A ex) {
62 caughtExceptions++;
63 throw ex;
64 }
65 }
67 public static void main(String[] args) {
68 for (ExceptionKind ekind : ExceptionKind.values()) {
69 try {
70 test(ekind);
71 }
72 catch (final C1 | A ex) {
73 caughtRethrownExceptions++;
74 }
75 }
76 if (caughtExceptions != 4 && caughtRethrownExceptions == 2) {
77 throw new AssertionError("Exception handler called " + caughtExceptions + "times" +
78 " rethrown handler called " + caughtRethrownExceptions + "times");
79 }
80 }
81 }