/* * Copyright (c) 2018, 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 4095273 * @summary Ensure that the save method doesn't close its output stream * @author Mark Reinhold */ import java.util.Properties; import java.io.OutputStream; import java.io.FilterOutputStream; import java.io.IOException; public class SaveClose { static class O extends FilterOutputStream { boolean closed = false; O(OutputStream o) { super(o); } public void close() throws IOException { this.closed = true; } } public static void main(String argv[]) throws Exception { Properties p = new Properties(); p.put("Foo", "Bar"); O o = new O(System.err); p.store(o, "Test"); if (o.closed) throw new Exception("Properties.save closed its output stream"); } }