7284f013ea
8073446: TimeZone getOffset API does not return a dst offset between years 2038-2137 Reviewed-by: rriggs
74 lines
2.8 KiB
Java
74 lines
2.8 KiB
Java
/*
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* Copyright (c) 2021, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8073446 8262110
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* @summary Tests DST related beyond the year 2037
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* @run testng Beyond2037
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*/
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import java.text.SimpleDateFormat;
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import java.util.TimeZone;
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import org.testng.annotations.DataProvider;
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import org.testng.annotations.Test;
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import static org.testng.Assert.assertEquals;
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@Test
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public class Beyond2037 {
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@DataProvider
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Object[][] dstTransition() {
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return new Object[][] {
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{"2037/03/08 01:59:59:999", "2037/03/08 01:59:59:999"},
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{"2037/03/08 02:00:00:000", "2037/03/08 03:00:00:000"},
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{"2038/03/14 01:59:59:999", "2038/03/14 01:59:59:999"},
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{"2038/03/14 02:00:00:000", "2038/03/14 03:00:00:000"},
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{"2099/03/08 01:59:59:999", "2099/03/08 01:59:59:999"},
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{"2099/03/08 02:00:00:000", "2099/03/08 03:00:00:000"},
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{"2100/03/14 01:59:59:999", "2100/03/14 01:59:59:999"},
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{"2100/03/14 02:00:00:000", "2100/03/14 03:00:00:000"},
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{"8000/03/12 01:59:59:999", "8000/03/12 01:59:59:999"},
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{"8000/03/12 02:00:00:000", "8000/03/12 03:00:00:000"},
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};
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}
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@Test(dataProvider="dstTransition")
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public void testDstTransition(String source, String expected) throws Exception {
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var timeZone = TimeZone.getTimeZone("America/New_York");
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var sdf = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss:SSS" );
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sdf.setTimeZone(timeZone);
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assertEquals(sdf.format(sdf.parse(source)), expected);
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}
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@Test
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public void testGetOffset() throws Exception {
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var timeZone = TimeZone.getTimeZone("PST8PDT");
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var df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
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df.setTimeZone(timeZone);
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var tMilli = df.parse("7681-03-09 03:20:49").getTime();
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assertEquals(timeZone.getOffset(tMilli), -25200000);
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}
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}
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