1 /*
   2  * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 /*
  27  * Copyright (c) 2008-2012, Stephen Colebourne & Michael Nascimento Santos
  28  *
  29  * All rights reserved.
  30  *
  31  * Redistribution and use in source and binary forms, with or without
  32  * modification, are permitted provided that the following conditions are met:
  33  *
  34  *  * Redistributions of source code must retain the above copyright notice,
  35  *    this list of conditions and the following disclaimer.
  36  *
  37  *  * Redistributions in binary form must reproduce the above copyright notice,
  38  *    this list of conditions and the following disclaimer in the documentation
  39  *    and/or other materials provided with the distribution.
  40  *
  41  *  * Neither the name of JSR-310 nor the names of its contributors
  42  *    may be used to endorse or promote products derived from this software
  43  *    without specific prior written permission.
  44  *
  45  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  46  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  47  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  48  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
  49  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  50  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  51  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  52  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  53  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  54  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  55  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  56  */
  57 
  58 package test.java.time.chrono;
  59 
  60 import java.time.LocalTime;
  61 import java.time.chrono.HijrahDate;
  62 import java.time.chrono.ThaiBuddhistDate;
  63 import java.time.chrono.ChronoLocalDateTime;
  64 import java.time.chrono.ChronoLocalDate;
  65 import java.time.chrono.Chronology;
  66 import java.time.temporal.ChronoField;
  67 import java.time.temporal.ChronoUnit;
  68 import java.util.Set;
  69 
  70 import org.testng.annotations.Test;
  71 
  72 /**
  73  * Test case verify that the example code in the package-info.java compiles
  74  * and runs.
  75  */
  76 public class TestExampleCode {
  77 
  78     @Test
  79     public void test_chronoPackageExample() {
  80         // Print the Thai Buddhist date
  81         ChronoLocalDate<?> now1 = Chronology.of("ThaiBuddhist").dateNow();
  82         int day = now1.get(ChronoField.DAY_OF_MONTH);
  83         int dow = now1.get(ChronoField.DAY_OF_WEEK);
  84         int month = now1.get(ChronoField.MONTH_OF_YEAR);
  85         int year = now1.get(ChronoField.YEAR);
  86         System.out.printf("  Today is %s %s %d-%s-%d%n", now1.getChronology().getId(),
  87                 dow, day, month, year);
  88 
  89         // Enumerate the list of available calendars and print today for each
  90         Set<Chronology> chronos = Chronology.getAvailableChronologies();
  91         for (Chronology chrono : chronos) {
  92             ChronoLocalDate<?> date = chrono.dateNow();
  93             System.out.printf("   %20s: %s%n", chrono.getId(), date.toString());
  94         }
  95 
  96         // Print today's date and the last day of the year for the Thai Buddhist Calendar.
  97         ChronoLocalDate<?> first = now1
  98                 .with(ChronoField.DAY_OF_MONTH, 1)
  99                 .with(ChronoField.MONTH_OF_YEAR, 1);
 100         ChronoLocalDate<?> last = first
 101                 .plus(1, ChronoUnit.YEARS)
 102                 .minus(1, ChronoUnit.DAYS);
 103         System.out.printf("  %s: 1st of year: %s; end of year: %s%n", last.getChronology().getId(),
 104                 first, last);
 105     }
 106 
 107     @Test
 108     public void test_calendarPackageExample() {
 109 
 110         // Enumerate the list of available calendars and print today for each
 111         Set<Chronology> chronos = Chronology.getAvailableChronologies();
 112         for (Chronology chrono : chronos) {
 113             ChronoLocalDate<?> date = chrono.dateNow();
 114             System.out.printf("   %20s: %s%n", chrono.getId(), date.toString());
 115         }
 116 
 117         // Print the Thai Buddhist date
 118         ThaiBuddhistDate now1 = ThaiBuddhistDate.now();
 119         int day = now1.get(ChronoField.DAY_OF_MONTH);
 120         int dow = now1.get(ChronoField.DAY_OF_WEEK);
 121         int month = now1.get(ChronoField.MONTH_OF_YEAR);
 122         int year = now1.get(ChronoField.YEAR);
 123         System.out.printf("  Today is %s %s %d-%s-%d%n", now1.getChronology().getId(),
 124                 dow, day, month, year);
 125 
 126         // Print today's date and the last day of the year for the Thai Buddhist Calendar.
 127         ThaiBuddhistDate first = now1
 128                 .with(ChronoField.DAY_OF_MONTH, 1)
 129                 .with(ChronoField.MONTH_OF_YEAR, 1);
 130         ThaiBuddhistDate last = first
 131                 .plus(1, ChronoUnit.YEARS)
 132                 .minus(1, ChronoUnit.DAYS);
 133         System.out.printf("  %s: 1st of year: %s; end of year: %s%n", last.getChronology().getId(),
 134                 first, last);
 135     }
 136 
 137     @Test
 138     public void test_library() {
 139         HijrahDate date = HijrahDate.now();
 140         HijrahDate next = next(date);
 141         ChronoLocalDateTime<HijrahDate> noonTomorrow = tomorrowNoon(date);
 142         System.out.printf("  now: %s, noon tomorrow: %s%n", date, noonTomorrow);
 143     }
 144 
 145     /**
 146      * Simple function based on a date, returning a ChronoDate of the same type.
 147      * @param <D> a parameterized ChronoLocalDate
 148      * @param date a specific date extending ChronoLocalDate
 149      * @return a new date in the same chronology.
 150      */
 151     private <D extends ChronoLocalDate<D>> D next(D date) {
 152         return date.plus(1, ChronoUnit.DAYS);
 153     }
 154 
 155     /**
 156      * Simple function based on a date, returning a ChronoLocalDateTime of the
 157      * same chronology.
 158      * @param <D> a parameterized ChronoLocalDate
 159      * @param date a specific date extending ChronoLocalDate
 160      * @return a [@code ChronoLocalDateTime<D>} using the change chronology.
 161      */
 162     private <D extends ChronoLocalDate<D>> ChronoLocalDateTime<D> tomorrowNoon(D date) {
 163         return date.plus(1, ChronoUnit.DAYS).atTime(LocalTime.of(12, 0));
 164     }
 165 }