| /* |
| * Copyright (c) 2021, 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 8073446 8262110 |
| * @summary Tests DST related beyond the year 2037 |
| * @run testng Beyond2037 |
| */ |
| |
| import java.text.SimpleDateFormat; |
| import java.util.TimeZone; |
| |
| import org.testng.annotations.DataProvider; |
| import org.testng.annotations.Test; |
| import static org.testng.Assert.assertEquals; |
| |
| @Test |
| public class Beyond2037 { |
| |
| @DataProvider |
| Object[][] dstTransition() { |
| return new Object[][] { |
| {"2037/03/08 01:59:59:999", "2037/03/08 01:59:59:999"}, |
| {"2037/03/08 02:00:00:000", "2037/03/08 03:00:00:000"}, |
| {"2038/03/14 01:59:59:999", "2038/03/14 01:59:59:999"}, |
| {"2038/03/14 02:00:00:000", "2038/03/14 03:00:00:000"}, |
| {"2099/03/08 01:59:59:999", "2099/03/08 01:59:59:999"}, |
| {"2099/03/08 02:00:00:000", "2099/03/08 03:00:00:000"}, |
| {"2100/03/14 01:59:59:999", "2100/03/14 01:59:59:999"}, |
| {"2100/03/14 02:00:00:000", "2100/03/14 03:00:00:000"}, |
| {"8000/03/12 01:59:59:999", "8000/03/12 01:59:59:999"}, |
| {"8000/03/12 02:00:00:000", "8000/03/12 03:00:00:000"}, |
| }; |
| } |
| |
| @Test(dataProvider="dstTransition") |
| public void testDstTransition(String source, String expected) throws Exception { |
| var timeZone = TimeZone.getTimeZone("America/New_York"); |
| var sdf = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss:SSS" ); |
| sdf.setTimeZone(timeZone); |
| assertEquals(sdf.format(sdf.parse(source)), expected); |
| } |
| |
| @Test |
| public void testGetOffset() throws Exception { |
| var timeZone = TimeZone.getTimeZone("PST8PDT"); |
| var df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); |
| df.setTimeZone(timeZone); |
| var tMilli = df.parse("7681-03-09 03:20:49").getTime(); |
| assertEquals(timeZone.getOffset(tMilli), -25200000); |
| } |
| } |