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
darcy@609 | 1 | /* |
darcy@840 | 2 | * Copyright (c) 2010, 2011, Oracle and/or its affiliates. All rights reserved. |
darcy@609 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
darcy@609 | 4 | * |
darcy@609 | 5 | * This code is free software; you can redistribute it and/or modify it |
darcy@609 | 6 | * under the terms of the GNU General Public License version 2 only, as |
darcy@609 | 7 | * published by the Free Software Foundation. |
darcy@609 | 8 | * |
darcy@609 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
darcy@609 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
darcy@609 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
darcy@609 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
darcy@609 | 13 | * accompanied this code). |
darcy@609 | 14 | * |
darcy@609 | 15 | * You should have received a copy of the GNU General Public License version |
darcy@609 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
darcy@609 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
darcy@609 | 18 | * |
darcy@609 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
darcy@609 | 20 | * or visit www.oracle.com if you need additional information or have any |
darcy@609 | 21 | * questions. |
darcy@609 | 22 | */ |
darcy@609 | 23 | |
darcy@609 | 24 | /* |
darcy@609 | 25 | * @test |
darcy@840 | 26 | * @bug 6911256 6964740 7013420 |
darcy@609 | 27 | * @author Joseph D. Darcy |
darcy@609 | 28 | * @summary Test that TWR and multi-catch play well together |
darcy@609 | 29 | * @compile TwrMultiCatch.java |
darcy@609 | 30 | * @run main TwrMultiCatch |
darcy@609 | 31 | */ |
darcy@609 | 32 | |
darcy@609 | 33 | import java.io.IOException; |
darcy@609 | 34 | public class TwrMultiCatch implements AutoCloseable { |
darcy@609 | 35 | private final Class<? extends Exception> exceptionClass; |
darcy@609 | 36 | |
darcy@609 | 37 | private TwrMultiCatch(Class<? extends Exception> exceptionClass) { |
darcy@609 | 38 | this.exceptionClass = exceptionClass; |
darcy@609 | 39 | } |
darcy@609 | 40 | |
darcy@609 | 41 | public static void main(String... args) { |
darcy@609 | 42 | test(new TwrMultiCatch(CustomCloseException1.class), |
darcy@609 | 43 | CustomCloseException1.class); |
darcy@609 | 44 | |
darcy@609 | 45 | test(new TwrMultiCatch(CustomCloseException2.class), |
darcy@609 | 46 | CustomCloseException2.class); |
darcy@609 | 47 | } |
darcy@609 | 48 | |
darcy@609 | 49 | private static void test(TwrMultiCatch twrMultiCatch, |
darcy@609 | 50 | Class<? extends Exception> expected) { |
darcy@840 | 51 | try(TwrMultiCatch tmc = twrMultiCatch) { |
darcy@840 | 52 | System.out.println(tmc.toString()); |
darcy@840 | 53 | } catch (CustomCloseException1 | |
darcy@609 | 54 | CustomCloseException2 exception) { |
darcy@609 | 55 | if (!exception.getClass().equals(expected) ) { |
darcy@609 | 56 | throw new RuntimeException("Unexpected catch!"); |
darcy@609 | 57 | } |
darcy@609 | 58 | } |
darcy@609 | 59 | } |
darcy@609 | 60 | |
darcy@609 | 61 | public void close() throws CustomCloseException1, CustomCloseException2 { |
darcy@609 | 62 | Throwable t; |
darcy@609 | 63 | try { |
darcy@609 | 64 | t = exceptionClass.newInstance(); |
darcy@609 | 65 | } catch(ReflectiveOperationException rfe) { |
darcy@609 | 66 | throw new RuntimeException(rfe); |
darcy@609 | 67 | } |
darcy@609 | 68 | |
darcy@609 | 69 | try { |
darcy@609 | 70 | throw t; |
darcy@840 | 71 | } catch (CustomCloseException1 | |
darcy@609 | 72 | CustomCloseException2 exception) { |
darcy@609 | 73 | throw exception; |
darcy@609 | 74 | } catch (Throwable throwable) { |
darcy@609 | 75 | throw new RuntimeException(throwable); |
darcy@609 | 76 | } |
darcy@609 | 77 | } |
darcy@609 | 78 | } |
darcy@609 | 79 | |
darcy@609 | 80 | class CustomCloseException1 extends Exception {} |
darcy@609 | 81 | class CustomCloseException2 extends Exception {} |