| /* |
| * 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 6234795 |
| * @summary Rolling of HOUR or HOUR_OF_SET must set the other hour field. |
| */ |
| |
| import java.util.GregorianCalendar; |
| import static java.util.Calendar.AM; |
| import static java.util.Calendar.AM_PM; |
| import static java.util.Calendar.HOUR; |
| import static java.util.Calendar.HOUR_OF_DAY; |
| import static java.util.Calendar.SEPTEMBER; |
| import java.util.Locale; |
| import java.util.TimeZone; |
| |
| public class Bug6234795 { |
| public static void main(String[] args) { |
| testRoll(HOUR); |
| testRoll(HOUR_OF_DAY); |
| } |
| |
| static void testRoll(int field) { |
| GregorianCalendar cal = new GregorianCalendar(TimeZone.getTimeZone("GMT"), Locale.US); |
| cal.clear(); |
| cal.set(2005, SEPTEMBER, 12); |
| |
| int otherField = (field == HOUR) ? HOUR_OF_DAY : HOUR; |
| int unit = (field == HOUR) ? 12 : 24; |
| int h; |
| for (h = 0; h <= 72; h++) { |
| int hour = cal.get(otherField); |
| int expected = h % 12; |
| if (hour != expected) { |
| throw new RuntimeException((field == HOUR ? "HOUR" : "HOUR_OF_DAY") |
| + "+: h=" + h + ", got " + hour |
| + ", expected " + expected); |
| } |
| if (field == HOUR_OF_DAY) { |
| int ampm = cal.get(AM_PM); |
| expected = (h % unit) / 12; |
| if (ampm != expected) { |
| throw new RuntimeException((field == HOUR ? "HOUR" : "HOUR_OF_DAY") |
| + "+: h=" + h + ", got " |
| + toString(ampm) |
| + ", expected " + toString(expected)); |
| } |
| } |
| cal.roll(field, +1); |
| } |
| for (; h >= 0; h--) { |
| int hour = cal.get(otherField); |
| int expected = h % 12; |
| if (hour != expected) { |
| throw new RuntimeException((field == HOUR ? "HOUR" : "HOUR_OF_DAY") |
| + "-: h=" + h + ", got " + hour |
| + ", expected " + expected); |
| } |
| if (field == HOUR_OF_DAY) { |
| int ampm = cal.get(AM_PM); |
| expected = (h % unit) / 12; |
| if (ampm != expected) { |
| throw new RuntimeException((field == HOUR ? "HOUR" : "HOUR_OF_DAY") |
| + "-: h=" + h + ", got " + toString(ampm) |
| + ", expected " + toString(expected)); |
| } |
| } |
| cal.roll(field, -1); |
| } |
| } |
| |
| static String toString(int ampm) { |
| return ampm == AM ? "AM" : "PM"; |
| } |
| } |