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25 
26 /*
27  * Copyright (c) 2013, Stephen Colebourne & Michael Nascimento Santos
28  *
29  * All rights reserved.
30  *
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32  * modification, are permitted provided that the following conditions are met:
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42  *    may be used to endorse or promote products derived from this software
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56  */
57 package tck.java.time.chrono;
58 
59 import static java.time.temporal.ChronoUnit.DAYS;
60 import static java.time.temporal.ChronoUnit.HOURS;
61 import static java.time.temporal.ChronoUnit.MONTHS;
62 import static java.time.temporal.ChronoUnit.YEARS;
63 import static org.testng.Assert.assertEquals;
64 
65 import java.io.ByteArrayInputStream;
66 import java.io.ByteArrayOutputStream;
67 import java.io.ObjectInputStream;
68 import java.io.ObjectOutputStream;
69 import java.time.DateTimeException;
70 import java.time.LocalDate;
71 import java.time.Period;
72 import java.time.chrono.ChronoLocalDate;
73 import java.time.chrono.ChronoPeriod;
74 import java.time.chrono.Chronology;
75 import java.time.chrono.HijrahChronology;
76 import java.time.chrono.IsoChronology;
77 import java.time.chrono.JapaneseChronology;
78 import java.time.chrono.MinguoChronology;
79 import java.time.chrono.ThaiBuddhistChronology;
80 import java.time.temporal.Temporal;
81 import java.time.temporal.UnsupportedTemporalTypeException;
82 
83 import org.testng.annotations.DataProvider;
84 import org.testng.annotations.Test;
85 
86 @Test
87 public class TCKChronoPeriod {
88 
89     //-----------------------------------------------------------------------
90     // regular data factory for names and descriptions of available calendars
91     //-----------------------------------------------------------------------
92     @DataProvider(name = "calendars")
data_of_calendars()93     Chronology[][] data_of_calendars() {
94         return new Chronology[][]{
95                     {HijrahChronology.INSTANCE},
96                     {IsoChronology.INSTANCE},
97                     {JapaneseChronology.INSTANCE},
98                     {MinguoChronology.INSTANCE},
99                     {ThaiBuddhistChronology.INSTANCE}};
100     }
101 
102     //-----------------------------------------------------------------------
103     // Test Serialization of Calendars
104     //-----------------------------------------------------------------------
105     @Test(dataProvider="calendars")
test_serialization(Chronology chrono)106     public void test_serialization(Chronology chrono) throws Exception {
107         ChronoPeriod period = chrono.period(1, 2, 3);
108         ByteArrayOutputStream baos = new ByteArrayOutputStream();
109         ObjectOutputStream out = new ObjectOutputStream(baos);
110         out.writeObject(period);
111         out.close();
112         ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
113 
114         ObjectInputStream in = new ObjectInputStream(bais);
115         ChronoPeriod ser = (ChronoPeriod) in.readObject();
116         assertEquals(ser, period, "deserialized ChronoPeriod is wrong");
117     }
118 
119     @Test(dataProvider="calendars")
test_get(Chronology chrono)120     public void test_get(Chronology chrono) {
121         ChronoPeriod period = chrono.period(1, 2, 3);
122         assertEquals(period.get(YEARS), 1);
123         assertEquals(period.get(MONTHS), 2);
124         assertEquals(period.get(DAYS), 3);
125     }
126 
127     @Test(dataProvider="calendars", expectedExceptions=UnsupportedTemporalTypeException.class)
test_get_unsupported(Chronology chrono)128     public void test_get_unsupported(Chronology chrono) {
129         ChronoPeriod period = chrono.period(1, 2, 3);
130         period.get(HOURS);
131     }
132 
133     @Test(dataProvider="calendars")
test_getUnits(Chronology chrono)134     public void test_getUnits(Chronology chrono) {
135         ChronoPeriod period = chrono.period(1, 2, 3);
136         assertEquals(period.getUnits().size(), 3);
137         assertEquals(period.getUnits().get(0), YEARS);
138         assertEquals(period.getUnits().get(1), MONTHS);
139         assertEquals(period.getUnits().get(2), DAYS);
140     }
141 
142     @Test(dataProvider="calendars")
test_getChronology(Chronology chrono)143     public void test_getChronology(Chronology chrono) {
144         ChronoPeriod period = chrono.period(1, 2, 3);
145         assertEquals(period.getChronology(), chrono);
146     }
147 
148     @Test(dataProvider="calendars")
test_isZero_isNegative(Chronology chrono)149     public void test_isZero_isNegative(Chronology chrono) {
150         ChronoPeriod periodPositive = chrono.period(1, 2, 3);
151         assertEquals(periodPositive.isZero(), false);
152         assertEquals(periodPositive.isNegative(), false);
153 
154         ChronoPeriod periodZero = chrono.period(0, 0, 0);
155         assertEquals(periodZero.isZero(), true);
156         assertEquals(periodZero.isNegative(), false);
157 
158         ChronoPeriod periodNegative = chrono.period(-1, 0, 0);
159         assertEquals(periodNegative.isZero(), false);
160         assertEquals(periodNegative.isNegative(), true);
161     }
162 
163     //-----------------------------------------------------------------------
164     @Test(dataProvider="calendars")
test_plus(Chronology chrono)165     public void test_plus(Chronology chrono) {
166         ChronoPeriod period = chrono.period(1, 2, 3);
167         ChronoPeriod period2 = chrono.period(2, 3, 4);
168         ChronoPeriod result = period.plus(period2);
169         assertEquals(result, chrono.period(3, 5, 7));
170     }
171 
172     @Test(dataProvider="calendars", expectedExceptions=DateTimeException.class)
test_plus_wrongChrono(Chronology chrono)173     public void test_plus_wrongChrono(Chronology chrono) {
174         ChronoPeriod period = chrono.period(1, 2, 3);
175         ChronoPeriod isoPeriod = Period.of(2, 3, 4);
176         ChronoPeriod thaiPeriod = ThaiBuddhistChronology.INSTANCE.period(2, 3, 4);
177         // one of these two will fail
178         period.plus(isoPeriod);
179         period.plus(thaiPeriod);
180     }
181 
182     @Test(dataProvider="calendars")
test_minus(Chronology chrono)183     public void test_minus(Chronology chrono) {
184         ChronoPeriod period = chrono.period(1, 2, 3);
185         ChronoPeriod period2 = chrono.period(2, 3, 4);
186         ChronoPeriod result = period.minus(period2);
187         assertEquals(result, chrono.period(-1, -1, -1));
188     }
189 
190     @Test(dataProvider="calendars", expectedExceptions=DateTimeException.class)
test_minus_wrongChrono(Chronology chrono)191     public void test_minus_wrongChrono(Chronology chrono) {
192         ChronoPeriod period = chrono.period(1, 2, 3);
193         ChronoPeriod isoPeriod = Period.of(2, 3, 4);
194         ChronoPeriod thaiPeriod = ThaiBuddhistChronology.INSTANCE.period(2, 3, 4);
195         // one of these two will fail
196         period.minus(isoPeriod);
197         period.minus(thaiPeriod);
198     }
199 
200     //-----------------------------------------------------------------------
201     @Test(dataProvider="calendars")
test_addTo(Chronology chrono)202     public void test_addTo(Chronology chrono) {
203         ChronoPeriod period = chrono.period(1, 2, 3);
204         ChronoLocalDate date = chrono.dateNow();
205         Temporal result = period.addTo(date);
206         assertEquals(result, date.plus(14, MONTHS).plus(3, DAYS));
207     }
208 
209     @Test(dataProvider="calendars", expectedExceptions=DateTimeException.class)
test_addTo_wrongChrono(Chronology chrono)210     public void test_addTo_wrongChrono(Chronology chrono) {
211         ChronoPeriod period = chrono.period(1, 2, 3);
212         ChronoLocalDate isoDate = LocalDate.of(2000, 1, 1);
213         ChronoLocalDate thaiDate = ThaiBuddhistChronology.INSTANCE.date(2000, 1, 1);
214         // one of these two will fail
215         period.addTo(isoDate);
216         period.addTo(thaiDate);
217     }
218 
219     @Test(dataProvider="calendars")
test_subtractFrom(Chronology chrono)220     public void test_subtractFrom(Chronology chrono) {
221         ChronoPeriod period = chrono.period(1, 2, 3);
222         ChronoLocalDate date = chrono.dateNow();
223         Temporal result = period.subtractFrom(date);
224         assertEquals(result, date.minus(14, MONTHS).minus(3, DAYS));
225     }
226 
227     @Test(dataProvider="calendars", expectedExceptions=DateTimeException.class)
test_subtractFrom_wrongChrono(Chronology chrono)228     public void test_subtractFrom_wrongChrono(Chronology chrono) {
229         ChronoPeriod period = chrono.period(1, 2, 3);
230         ChronoLocalDate isoDate = LocalDate.of(2000, 1, 1);
231         ChronoLocalDate thaiDate = ThaiBuddhistChronology.INSTANCE.date(2000, 1, 1);
232         // one of these two will fail
233         period.subtractFrom(isoDate);
234         period.subtractFrom(thaiDate);
235     }
236 
237     //-----------------------------------------------------------------------
238     @Test(dataProvider="calendars")
test_negated(Chronology chrono)239     public void test_negated(Chronology chrono) {
240         ChronoPeriod period = chrono.period(1, 2, 3);
241         assertEquals(period.negated(), chrono.period(-1, -2, -3));
242     }
243 
244     @Test(dataProvider="calendars")
test_multipliedBy(Chronology chrono)245     public void test_multipliedBy(Chronology chrono) {
246         ChronoPeriod period = chrono.period(1, 2, 3);
247         assertEquals(period.multipliedBy(3), chrono.period(3, 6, 9));
248     }
249 
250     //-----------------------------------------------------------------------
251     @Test(dataProvider="calendars")
test_equals_equal(Chronology chrono)252     public void test_equals_equal(Chronology chrono) {
253         ChronoPeriod a1 = chrono.period(1, 2, 3);
254         ChronoPeriod a2 = chrono.period(1, 2, 3);
255         assertEquals(a1, a1);
256         assertEquals(a1, a2);
257         assertEquals(a2, a1);
258         assertEquals(a2, a2);
259         assertEquals(a1.hashCode(), a2.hashCode());
260     }
261 
262     @Test(dataProvider="calendars")
test_equals_notEqual(Chronology chrono)263     public void test_equals_notEqual(Chronology chrono) {
264         ChronoPeriod a = chrono.period(1, 2, 3);
265         ChronoPeriod b = chrono.period(2, 2, 3);
266         assertEquals(a.equals(b), false);
267         assertEquals(b.equals(a), false);
268         assertEquals(a.equals(""), false);
269         assertEquals(a.equals(null), false);
270     }
271 
272     @Test(dataProvider="calendars")
test_toString(Chronology chrono)273     public void test_toString(Chronology chrono) {
274         ChronoPeriod period = chrono.period(1, 2, 3);
275         if (period instanceof Period == false) {
276             assertEquals(period.toString(), chrono.getId() + " P1Y2M3D");
277         }
278     }
279 
280 }
281