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/*
* Copyright (c) 2005, 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.
*/
/*
* @test
* @bug 4955000
* @summary Make sure that a Date and a GregorianCalendar produce the
* same date/time. Both are new implementations in 1.5.
*/
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.TimeZone;
import static java.util.GregorianCalendar.*;
@SuppressWarnings("deprecation")
public class Bug4955000 {
// Tests for Date.UTC(), derived from JCK
// Date.miscTests.Date1025 and Date2015
public static void main(String[] args) {
TimeZone defaultTZ = TimeZone.getDefault();
try {
TimeZone.setDefault(TimeZone.getTimeZone("NST"));
GregorianCalendar gc = new GregorianCalendar(TimeZone.getTimeZone("UTC"));
// Date1025
int[] years1 = {
Integer.MIN_VALUE,
Integer.MIN_VALUE + 1,
gc.getMinimum(YEAR) - 1,
gc.getMaximum(YEAR) + 1,
Integer.MAX_VALUE - 1,
Integer.MAX_VALUE
};
for (int i = 0; i < years1.length; i++) {
gc.clear();
gc.set(years1[i], JANUARY, 1);
long t = gc.getTimeInMillis();
long utc = Date.UTC(years1[i] - 1900, 1 - 1, 1,
0, 0, 0); // Jan 1 00:00:00
if (t != utc) {
throw new RuntimeException("t (" + t + ") != utc (" + utc + ")");
}
}
// Date2015
int[] years = {
gc.getGreatestMinimum(YEAR),
gc.getGreatestMinimum(YEAR) + 1,
-1,
0,
1,
gc.getLeastMaximum(YEAR) - 1,
gc.getLeastMaximum(YEAR)
};
int[] months = {
gc.getMinimum(MONTH),
gc.getMinimum(MONTH) + 1,
gc.getMaximum(MONTH) - 1,
gc.getMaximum(MONTH)
};
int[] dates = {
gc.getMinimum(DAY_OF_MONTH),
gc.getMinimum(DAY_OF_MONTH) + 1,
gc.getMaximum(DAY_OF_MONTH) - 1,
gc.getMaximum(DAY_OF_MONTH)
};
int[] hs = {
gc.getMinimum(HOUR),
gc.getMinimum(HOUR) + 1,
gc.getMaximum(HOUR) - 1,
gc.getMaximum(HOUR)
};
int[] ms = {
gc.getMinimum(MINUTE),
gc.getMinimum(MINUTE) + 1,
gc.getMaximum(MINUTE) - 1,
gc.getMaximum(MINUTE)
};
int[] ss = {
gc.getMinimum(SECOND),
gc.getMinimum(SECOND) + 1,
gc.getMaximum(SECOND) - 1,
gc.getMaximum(SECOND)
};
for (int i = 0; i < years.length; i++) {
for (int j = 0; j < months.length; j++) {
for (int k = 0; k < dates.length; k++) {
for (int m = 0; m < hs.length; m++) {
for (int n = 0; n < ms.length; n++) {
for (int p = 0; p < ss.length; p++) {
int year = years[i] - 1900;
int month = months[j];
int date = dates[k];
int hours = hs[m];
int minutes = ms[n];
int seconds = ss[p];
long result = Date.UTC(year, month, date,
hours, minutes, seconds);
gc.clear();
gc.set(year + 1900, month, date, hours, minutes, seconds);
long expected = gc.getTime().getTime();
if (expected != result) {
throw new RuntimeException("expected (" + expected
+ ") != result (" + result + ")");
}
}
}
}
}
}
}
} finally {
TimeZone.setDefault(defaultTZ);
}
}
}
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