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+/*
+ * Copyright (c) 2000, 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 4372743
+ * @summary test that checks transitions of ERA and YEAR which are caused by add(MONTH).
+ * @library /java/text/testlib
+ */
+
+import java.io.*;
+import java.util.*;
+import java.text.*;
+
+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(gc.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(gc.MONTH, -7);
+ }
+
+ /* Set March 10, 2 B.C. */
+ gc = new GregorianCalendar(2, OCTOBER, 10);
+ gc.add(gc.YEAR, -3);
+ for (int i = tablesize -1; i >= 0; i--) {
+ check(gc, i);
+ gc.add(gc.MONTH, 1);
+ }
+
+ /* Again, Set March 10, 2 B.C. */
+ gc = new GregorianCalendar(2, OCTOBER, 10);
+ gc.add(gc.YEAR, -3);
+ for (int i = tablesize -1; i >= 0; i-=8) {
+ check(gc, i);
+ gc.add(gc.MONTH, 8);
+ }
+ }
+ finally {
+ TimeZone.setDefault(saveZone);
+ }
+ }
+}