0N/A/*
2362N/A * Copyright (c) 2006, 2007, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
0N/A * published by the Free Software Foundation.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
2362N/A * questions.
0N/A */
0N/A
0N/A/*
0N/A * @test
0N/A * @bug 6276988
0N/A * @summary All enum constants in a class should share a single "universe".
0N/A */
0N/A
0N/Aimport java.lang.reflect.Field;
0N/Aimport java.math.RoundingMode;
0N/Aimport java.util.EnumSet;
0N/A
0N/Apublic class OneUniverse {
0N/A
0N/A private static final Field universeField;
0N/A
0N/A static {
0N/A try {
0N/A universeField = EnumSet.class.getDeclaredField("universe");
0N/A } catch (NoSuchFieldException e) {
0N/A throw new AssertionError(e);
0N/A }
0N/A universeField.setAccessible(true);
0N/A }
0N/A
0N/A public static void main(String... args) {
0N/A
0N/A EnumSet<RoundingMode> noneSet = EnumSet.noneOf(RoundingMode.class);
0N/A EnumSet<RoundingMode> allSet = EnumSet.allOf(RoundingMode.class);
0N/A
0N/A if (getUniverse(noneSet) != getUniverse(allSet)) {
0N/A throw new AssertionError(
0N/A "Multiple universes detected. Inform the bridge!");
0N/A }
0N/A }
0N/A
0N/A private static <E extends Enum<E>> Enum<E>[] getUniverse(EnumSet<E> set) {
0N/A try {
0N/A return (Enum<E>[]) universeField.get(set);
0N/A } catch (IllegalAccessException e) {
0N/A throw new AssertionError(e);
0N/A }
0N/A }
0N/A}