1 /* 2 * Copyright (c) 2005, 2017, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 * @bug 6282072 27 * @summary Make sure that "UTC" is an alias of "Etc/UTC" as defined in the tzdata backward. 28 * @modules java.base/sun.util.calendar 29 * @compile -XDignore.symbol.file UTCAliasTest.java 30 * @run main UTCAliasTest 31 */ 32 33 import java.util.*; 34 import sun.util.calendar.ZoneInfo; 35 36 public class UTCAliasTest { main(String[] args)37 public static void main(String[] args) { 38 Map<String,String> map = ZoneInfo.getAliasTable(); 39 String alias = map.get("UTC"); 40 if (!alias.equals("Etc/UTC")) { 41 throw new RuntimeException("got " + alias + ", expected Etc/UTC"); 42 } 43 TimeZone GMT = TimeZone.getTimeZone("GMT"); 44 TimeZone UTC = TimeZone.getTimeZone("UTC"); 45 if (!GMT.hasSameRules(UTC)) { 46 throw new RuntimeException("GMT and UTC have different rules"); 47 } 48 TimeZone EtcUTC = TimeZone.getTimeZone("Etc/UTC"); 49 if (!UTC.hasSameRules(EtcUTC)) { 50 throw new RuntimeException("UTC and Etc/UTC have different rules"); 51 } 52 } 53 } 54