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/*
* @ test
* @ bug 4372743
* @ summary test that checks transitions of ERA and YEAR which are caused by add ( MONTH ) .
* @ library / java / text / testlib
*/
import java.util.GregorianCalendar;
import java.util.TimeZone;
import static java.util.GregorianCalendar.*;
public class bug4372743 extends IntlTest {
public static void main(String[] args) throws Exception {
new bug4372743().run(args);
}
private int [][] data = {
{AD, 2 , MARCH},
{AD, 2 , FEBRUARY},
{AD, 2 , JANUARY},
{AD, 1 , DECEMBER},
{AD, 1 , NOVEMBER},
{AD, 1 , OCTOBER},
{AD, 1 , SEPTEMBER},
{AD, 1 , AUGUST},
{AD, 1 , JULY},
{AD, 1 , JUNE},
{AD, 1 , MAY},
{AD, 1 , APRIL},
{AD, 1 , MARCH},
{AD, 1 , FEBRUARY},
{AD, 1 , JANUARY},
{BC, 1 , DECEMBER},
{BC, 1 , NOVEMBER},
{BC, 1 , OCTOBER},
{BC, 1 , SEPTEMBER},
{BC, 1 , AUGUST},
{BC, 1 , JULY},
{BC, 1 , JUNE},
{BC, 1 , MAY},
{BC, 1 , APRIL},
{BC, 1 , MARCH},
{BC, 1 , FEBRUARY},
{BC, 1 , JANUARY},
{BC, 2 , DECEMBER},
{BC, 2 , NOVEMBER},
{BC, 2 , OCTOBER}};
private int tablesize = data.length;
private void check(GregorianCalendar gc, int index) {
if (gc.get(ERA) != data[index][ERA]) {
errln("Invalid era :" + gc.get(ERA)
+ ", expected :" + data[index][ERA]);
}
if (gc.get(YEAR) != data[index][YEAR]) {
errln("Invalid year :" + gc.get(YEAR)
+ ", expected :" + data[index][YEAR]);
}
if (gc.get(MONTH) != data[index][MONTH]) {
errln("Invalid month :" + gc.get(MONTH)
+ ", expected :" + data[index][MONTH]);
}
}
public void Test4372743() {
GregorianCalendar gc;
TimeZone saveZone = TimeZone.getDefault();
try {
TimeZone.setDefault(TimeZone.getTimeZone("PST" ));
/* Set March 3, A.D. 2 */
gc = new GregorianCalendar(2 , MARCH, 3 );
for (int i = 0 ; i < tablesize; i++) {
check(gc, i);
gc.add(MONTH, -1 );
}
/* Again, Set March 3, A.D. 2 */
gc = new GregorianCalendar(2 , MARCH, 3 );
for (int i = 0 ; i < tablesize; i += 7 ) {
check(gc, i);
gc.add(MONTH, -7 );
}
/* Set March 10, 2 B.C. */
gc = new GregorianCalendar(2 , OCTOBER, 10 );
gc.add(YEAR, -3 );
for (int i = tablesize - 1 ; i >= 0 ; i--) {
check(gc, i);
gc.add(MONTH, 1 );
}
/* Again, Set March 10, 2 B.C. */
gc = new GregorianCalendar(2 , OCTOBER, 10 );
gc.add(YEAR, -3 );
for (int i = tablesize - 1 ; i >= 0 ; i -= 8 ) {
check(gc, i);
gc.add(MONTH, 8 );
}
} finally {
TimeZone.setDefault(saveZone);
}
}
}
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(vorverarbeitet am 2026-06-10)
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