langtools/test/tools/javac/TryWithResources/ExplicitFinal.java
author darcy
Tue, 25 Jan 2011 17:02:56 -0800
changeset 8224 8f18e1622660
permissions -rw-r--r--
7013420: Project Coin: remove general expression support from try-with-resources statement Reviewed-by: mcimadamore, jjg
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/*
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 * Copyright (c) 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 7013420
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 * @author Joseph D. Darcy
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 * @summary Test that resource variables are accepted as explicitly final.
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 */
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import java.io.IOException;
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public class ExplicitFinal implements AutoCloseable {
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    public static void main(String... args) {
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        try(final ExplicitFinal r2 = new ExplicitFinal()) {
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            r2.toString();
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        } catch (IOException ioe) {
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            throw new AssertionError("Shouldn't reach here", ioe);
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        }
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        try(final @SuppressWarnings("unchecked") ExplicitFinal r3 = new ExplicitFinal()) {
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            r3.toString();
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        } catch (IOException ioe) {
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            throw new AssertionError("Shouldn't reach here", ioe);
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        }
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        try(@SuppressWarnings("unchecked") ExplicitFinal r4 = new ExplicitFinal()) {
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            r4.toString();
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        } catch (IOException ioe) {
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            throw new AssertionError("Shouldn't reach here", ioe);
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        }
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    }
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    public void close() throws IOException {
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        System.out.println("Calling close on " + this);
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    }
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}