Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: test/tools/javac/TryWithResources/DuplicateResource.java
test/tools/javac/TryWithResources/DuplicateResource.java
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- 2eb010b6cb22
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| 1 /* | |
| 2 * Copyright (c) 2010, 2011, 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 */ | |
| 23 | |
| 24 /* | |
| 25 * @test | |
| 26 * @bug 6911256 6964740 6965277 7013420 | |
| 27 * @author Maurizio Cimadamore | |
| 28 * @summary Check that lowered try-with-resources block does not end up creating resource twice | |
| 29 */ | |
| 30 | |
| 31 import java.util.ArrayList; | |
| 32 | |
| 33 public class DuplicateResource { | |
| 34 | |
| 35 static class TestResource implements AutoCloseable { | |
| 36 TestResource() { | |
| 37 resources.add(this); | |
| 38 } | |
| 39 boolean isClosed = false; | |
| 40 public void close() throws Exception { | |
| 41 isClosed = true; | |
| 42 } | |
| 43 } | |
| 44 | |
| 45 static ArrayList<TestResource> resources = new ArrayList<TestResource>(); | |
| 46 | |
| 47 public static void main(String[] args) { | |
| 48 try(TestResource tr = new TestResource()) { | |
| 49 //do something | |
| 50 } catch (Exception e) { | |
| 51 throw new AssertionError("Shouldn't reach here", e); | |
| 52 } | |
| 53 check(); | |
| 54 } | |
| 55 | |
| 56 public static void check() { | |
| 57 if (resources.size() != 1) { | |
| 58 throw new AssertionError("Expected one resource, found: " + resources.size()); | |
| 59 } | |
| 60 TestResource resource = resources.get(0); | |
| 61 if (!resource.isClosed) { | |
| 62 throw new AssertionError("Resource used in try-with-resources block has not been automatically closed"); | |
| 63 } | |
| 64 } | |
| 65 } |
