darcy@609: /*
katleman@1013:  * Copyright (c) 2010, 2011, Oracle and/or its affiliates. All rights reserved.
darcy@609:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
darcy@609:  *
darcy@609:  * This code is free software; you can redistribute it and/or modify it
darcy@609:  * under the terms of the GNU General Public License version 2 only, as
darcy@609:  * published by the Free Software Foundation.
darcy@609:  *
darcy@609:  * This code is distributed in the hope that it will be useful, but WITHOUT
darcy@609:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
darcy@609:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
darcy@609:  * version 2 for more details (a copy is included in the LICENSE file that
darcy@609:  * accompanied this code).
darcy@609:  *
darcy@609:  * You should have received a copy of the GNU General Public License version
darcy@609:  * 2 along with this work; if not, write to the Free Software Foundation,
darcy@609:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
darcy@609:  *
darcy@609:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
darcy@609:  * or visit www.oracle.com if you need additional information or have any
darcy@609:  * questions.
darcy@609:  */
darcy@609: 
darcy@609: /*
darcy@609:  * @test
darcy@840:  * @bug 6911256 6964740 6965277 7013420
darcy@609:  * @author Maurizio Cimadamore
darcy@840:  * @summary Check that lowered try-with-resources block does not end up creating resource twice
darcy@609:  */
darcy@609: 
darcy@609: import java.util.ArrayList;
darcy@609: 
darcy@609: public class DuplicateResource {
darcy@609: 
darcy@609:     static class TestResource implements AutoCloseable {
darcy@609:         TestResource() {
darcy@609:             resources.add(this);
darcy@609:         }
darcy@609:         boolean isClosed = false;
darcy@609:         public void close() throws Exception {
darcy@609:             isClosed = true;
darcy@609:         }
darcy@609:     }
darcy@609: 
darcy@609:     static ArrayList<TestResource> resources = new ArrayList<TestResource>();
darcy@609: 
darcy@609:     public static void main(String[] args) {
darcy@840:         try(TestResource tr = new TestResource()) {
darcy@609:            //do something
darcy@609:         } catch (Exception e) {
darcy@609:             throw new AssertionError("Shouldn't reach here", e);
darcy@609:         }
darcy@609:         check();
darcy@609:     }
darcy@609: 
darcy@609:     public static void check() {
darcy@609:        if (resources.size() != 1) {
darcy@609:            throw new AssertionError("Expected one resource, found: " + resources.size());
darcy@609:        }
darcy@609:        TestResource resource = resources.get(0);
darcy@609:        if (!resource.isClosed) {
darcy@840:            throw new AssertionError("Resource used in try-with-resources block has not been automatically closed");
darcy@609:        }
darcy@609:     }
darcy@609: }