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
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. |
aoqi@0 | 8 | * |
aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 13 | * accompanied this code). |
aoqi@0 | 14 | * |
aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 18 | * |
aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 21 | * questions. |
aoqi@0 | 22 | */ |
aoqi@0 | 23 | |
aoqi@0 | 24 | /* |
aoqi@0 | 25 | * @test |
aoqi@0 | 26 | * @bug 7039822 |
aoqi@0 | 27 | * @summary Verify lub of an exception parameter can be an intersection type |
aoqi@0 | 28 | * @author Joseph D. Darcy |
aoqi@0 | 29 | */ |
aoqi@0 | 30 | |
aoqi@0 | 31 | public class Pos10 { |
aoqi@0 | 32 | public static void main(String... args) { |
aoqi@0 | 33 | test(0); |
aoqi@0 | 34 | test(1); |
aoqi@0 | 35 | |
aoqi@0 | 36 | if (record != 0b11) |
aoqi@0 | 37 | throw new RuntimeException("Unexpected exception execution: " + |
aoqi@0 | 38 | record); |
aoqi@0 | 39 | if (closeRecord != 0b11) |
aoqi@0 | 40 | throw new RuntimeException("Unexpected close execution: " + |
aoqi@0 | 41 | closeRecord); |
aoqi@0 | 42 | } |
aoqi@0 | 43 | |
aoqi@0 | 44 | private static int record = 0; |
aoqi@0 | 45 | private static int closeRecord = 0; |
aoqi@0 | 46 | |
aoqi@0 | 47 | private static void test(int i) { |
aoqi@0 | 48 | try { |
aoqi@0 | 49 | thrower(i); |
aoqi@0 | 50 | } catch (SonException | DaughterException e) { |
aoqi@0 | 51 | Class<? extends ParentException> clazz = e.getClass(); |
aoqi@0 | 52 | HasFoo m = e; |
aoqi@0 | 53 | e.foo(); |
aoqi@0 | 54 | |
aoqi@0 | 55 | try (AutoCloseable ac = e) { |
aoqi@0 | 56 | e.toString(); |
aoqi@0 | 57 | } catch(Exception except) { |
aoqi@0 | 58 | throw new RuntimeException(except); |
aoqi@0 | 59 | } |
aoqi@0 | 60 | } |
aoqi@0 | 61 | } |
aoqi@0 | 62 | |
aoqi@0 | 63 | private static interface HasFoo { |
aoqi@0 | 64 | void foo(); |
aoqi@0 | 65 | } |
aoqi@0 | 66 | |
aoqi@0 | 67 | private static void thrower(int i) throws SonException, DaughterException { |
aoqi@0 | 68 | if (i == 0) |
aoqi@0 | 69 | throw new SonException(); |
aoqi@0 | 70 | else |
aoqi@0 | 71 | throw new DaughterException(); |
aoqi@0 | 72 | } |
aoqi@0 | 73 | |
aoqi@0 | 74 | private static class ParentException extends RuntimeException {} |
aoqi@0 | 75 | |
aoqi@0 | 76 | private static class SonException |
aoqi@0 | 77 | extends ParentException |
aoqi@0 | 78 | implements HasFoo, AutoCloseable { |
aoqi@0 | 79 | |
aoqi@0 | 80 | public void foo() { |
aoqi@0 | 81 | record |= 0b01; |
aoqi@0 | 82 | } |
aoqi@0 | 83 | |
aoqi@0 | 84 | @Override |
aoqi@0 | 85 | public void close() { |
aoqi@0 | 86 | closeRecord |= 0b01; |
aoqi@0 | 87 | } |
aoqi@0 | 88 | } |
aoqi@0 | 89 | |
aoqi@0 | 90 | private static class DaughterException |
aoqi@0 | 91 | extends ParentException |
aoqi@0 | 92 | implements HasFoo, AutoCloseable { |
aoqi@0 | 93 | |
aoqi@0 | 94 | public void foo() { |
aoqi@0 | 95 | record |= 0b10; |
aoqi@0 | 96 | } |
aoqi@0 | 97 | |
aoqi@0 | 98 | @Override |
aoqi@0 | 99 | public void close() { |
aoqi@0 | 100 | closeRecord |= 0b10; |
aoqi@0 | 101 | } |
aoqi@0 | 102 | } |
aoqi@0 | 103 | } |