Mon, 21 Jan 2013 11:16:28 -0800
Merge
darcy@609 | 1 | /* |
katleman@1013 | 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 6965277 7013420 |
darcy@609 | 27 | * @author Maurizio Cimadamore |
darcy@840 | 28 | * @summary Check that lowered try-with-resources block does not end up creating resource twice |
darcy@609 | 29 | */ |
darcy@609 | 30 | |
darcy@609 | 31 | import java.util.ArrayList; |
darcy@609 | 32 | |
darcy@609 | 33 | public class DuplicateResource { |
darcy@609 | 34 | |
darcy@609 | 35 | static class TestResource implements AutoCloseable { |
darcy@609 | 36 | TestResource() { |
darcy@609 | 37 | resources.add(this); |
darcy@609 | 38 | } |
darcy@609 | 39 | boolean isClosed = false; |
darcy@609 | 40 | public void close() throws Exception { |
darcy@609 | 41 | isClosed = true; |
darcy@609 | 42 | } |
darcy@609 | 43 | } |
darcy@609 | 44 | |
darcy@609 | 45 | static ArrayList<TestResource> resources = new ArrayList<TestResource>(); |
darcy@609 | 46 | |
darcy@609 | 47 | public static void main(String[] args) { |
darcy@840 | 48 | try(TestResource tr = new TestResource()) { |
darcy@609 | 49 | //do something |
darcy@609 | 50 | } catch (Exception e) { |
darcy@609 | 51 | throw new AssertionError("Shouldn't reach here", e); |
darcy@609 | 52 | } |
darcy@609 | 53 | check(); |
darcy@609 | 54 | } |
darcy@609 | 55 | |
darcy@609 | 56 | public static void check() { |
darcy@609 | 57 | if (resources.size() != 1) { |
darcy@609 | 58 | throw new AssertionError("Expected one resource, found: " + resources.size()); |
darcy@609 | 59 | } |
darcy@609 | 60 | TestResource resource = resources.get(0); |
darcy@609 | 61 | if (!resource.isClosed) { |
darcy@840 | 62 | throw new AssertionError("Resource used in try-with-resources block has not been automatically closed"); |
darcy@609 | 63 | } |
darcy@609 | 64 | } |
darcy@609 | 65 | } |