/*
* 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.
*
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*/
/*
* @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");
}
}
}