/* * Copyright (c) 1997, 2016, 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.
*/
import java.util.*; import java.text.*;
/** * Test GregorianCalendar limits, which should not exist. * @test * @bug 4056585 * @summary Make sure that GregorianCalendar works far in the past and future. * @author Alan Liu
*/ publicclass Limit { staticfinallong ONE_DAY = 24*60*60*1000L;
publicstaticvoid main(String args[]) throws Exception {
GregorianCalendar c = new GregorianCalendar();
DateFormat fmt = new SimpleDateFormat("EEEE, MMMM dd, yyyy G", Locale.US); long bigMillis = 300000000000000L;
try { // We check two things: // 1. That handling millis in the range of +/- bigMillis works. // bigMillis is a value that used to blow up. // 2. The round-trip format/parse works in these extreme areas.
c.setTime(new Date(-bigMillis));
String s = fmt.format(c.getTime());
Date d = fmt.parse(s); if (Math.abs(d.getTime() + bigMillis) >= ONE_DAY) { thrownew Exception(s + " != " + fmt.format(d));
}
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