/* * Copyright (c) 2012, 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 7196316 * @summary Confirm that a non-default rounding mode is used even after deserialization. */ import java.io.*; import java.math.*; import java.text.*; public class Bug7196316 { private static final String filename = "bug7196316.ser"; public static void main(String[] args) throws Exception { DecimalFormat df; RoundingMode mode = RoundingMode.DOWN; double given = 6.6; String expected; String actual; try (ObjectOutputStream os = new ObjectOutputStream(new FileOutputStream(filename))) { df = new DecimalFormat("#"); df.setRoundingMode(mode); expected = df.format(given); os.writeObject(df); } try (ObjectInputStream is = new ObjectInputStream(new FileInputStream(filename))) { df = (DecimalFormat)is.readObject(); } RoundingMode newMode = df.getRoundingMode(); if (mode != newMode) { throw new RuntimeException("Unexpected roundig mode: " + newMode); } else { actual = df.format(given); if (!expected.equals(actual)) { throw new RuntimeException("Unexpected formatted result: \"" + actual + "\""); } else { System.out.println("Passed: Expected rounding mode (" + newMode + ") & formatted result: \"" + actual + "\""); } } } }