/*

 * Copyright (c) 2010, 2011, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/*

 * @test

 * @bug 6911256 6964740 6965277 7013420

 * @author Maurizio Cimadamore

 * @summary Check that lowered try-with-resources block does not end up creating resource twice

 */

import java.util.ArrayList;

public class DuplicateResource {

    static class TestResource implements AutoCloseable {

        TestResource() {

            resources.add(this);

        }

        boolean isClosed = false;

        public void close() throws Exception {

            isClosed = true;

        }

    }

    static ArrayList<TestResource> resources = new ArrayList<TestResource>();

    public static void main(String[] args) {

        try(TestResource tr = new TestResource()) {

           //do something

        } catch (Exception e) {

            throw new AssertionError("Shouldn't reach here", e);

        }

        check();

    }

    public static void check() {

       if (resources.size() != 1) {

           throw new AssertionError("Expected one resource, found: " + resources.size());

       }

       TestResource resource = resources.get(0);

       if (!resource.isClosed) {

           throw new AssertionError("Resource used in try-with-resources block has not been automatically closed");

       }

    }

}