--- /dev/null 2009-07-06 20:02:10.000000000 -0700 +++ new/test/tools/javac/AutomaticResourceManagement/DuplicateResource.java 2010-07-14 01:57:53.000000000 -0700 @@ -0,0 +1,65 @@ +/* + * Copyright (c) 2010, 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 + * @author Maurizio Cimadamore + * @summary Check that lowered arm 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 resources = new ArrayList(); + + public static void main(String[] args) { + try(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 ARM block has not been automatically closed"); + } + } +}