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