test/jdk/java/util/Properties/CloseXMLStream.java

/*
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 * 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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 * questions.
 */

/*
 * @test
 * @bug 6270682
 * @summary Test the input stream is closed after loadtoXML returns.
 */

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.util.Properties;

public class CloseXMLStream {
    public static void main(String[] args) throws Throwable {
        class ExpectedClosingException extends RuntimeException {};
        Properties props = new Properties();
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        props.storeToXML(out, null);
        ByteArrayInputStream in = new ByteArrayInputStream(out.toByteArray()) {
            public void close() {
                throw new ExpectedClosingException();
            }
        };
        try {
            props.loadFromXML(in);
            throw new Exception("Failed: loadFromXML does not close the is!");
        } catch (ExpectedClosingException ex) { /*OK*/ }
    }
}