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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 public class TCKChronoPeriod {
87 
88     //-----------------------------------------------------------------------
89     // regular data factory for names and descriptions of available calendars
90     //-----------------------------------------------------------------------
91     @DataProvider(name = "calendars")
data_of_calendars()92     Chronology[][] data_of_calendars() {
93         return new Chronology[][]{
94                     {HijrahChronology.INSTANCE},
95                     {IsoChronology.INSTANCE},
96                     {JapaneseChronology.INSTANCE},
97                     {MinguoChronology.INSTANCE},
98                     {ThaiBuddhistChronology.INSTANCE}};
99     }
100 
101     //-----------------------------------------------------------------------
102     // Test Serialization of Calendars
103     //-----------------------------------------------------------------------
104     @Test(dataProvider="calendars")
test_serialization(Chronology chrono)105     public void test_serialization(Chronology chrono) throws Exception {
106         ChronoPeriod period = chrono.period(1, 2, 3);
107         ByteArrayOutputStream baos = new ByteArrayOutputStream();
108         ObjectOutputStream out = new ObjectOutputStream(baos);
109         out.writeObject(period);
110         out.close();
111         ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
112 
113         ObjectInputStream in = new ObjectInputStream(bais);
114         ChronoPeriod ser = (ChronoPeriod) in.readObject();
115         assertEquals(ser, period, "deserialized ChronoPeriod is wrong");
116     }
117 
118     @Test(dataProvider="calendars")
test_get(Chronology chrono)119     public void test_get(Chronology chrono) {
120         ChronoPeriod period = chrono.period(1, 2, 3);
121         assertEquals(period.get(YEARS), 1);
122         assertEquals(period.get(MONTHS), 2);
123         assertEquals(period.get(DAYS), 3);
124     }
125 
126     @Test(dataProvider="calendars", expectedExceptions=UnsupportedTemporalTypeException.class)
test_get_unsupported(Chronology chrono)127     public void test_get_unsupported(Chronology chrono) {
128         ChronoPeriod period = chrono.period(1, 2, 3);
129         period.get(HOURS);
130     }
131 
132     @Test(dataProvider="calendars")
test_getUnits(Chronology chrono)133     public void test_getUnits(Chronology chrono) {
134         ChronoPeriod period = chrono.period(1, 2, 3);
135         assertEquals(period.getUnits().size(), 3);
136         assertEquals(period.getUnits().get(0), YEARS);
137         assertEquals(period.getUnits().get(1), MONTHS);
138         assertEquals(period.getUnits().get(2), DAYS);
139     }
140 
141     @Test(dataProvider="calendars")
test_getChronology(Chronology chrono)142     public void test_getChronology(Chronology chrono) {
143         ChronoPeriod period = chrono.period(1, 2, 3);
144         assertEquals(period.getChronology(), chrono);
145     }
146 
147     @Test(dataProvider="calendars")
test_isZero_isNegative(Chronology chrono)148     public void test_isZero_isNegative(Chronology chrono) {
149         ChronoPeriod periodPositive = chrono.period(1, 2, 3);
150         assertEquals(periodPositive.isZero(), false);
151         assertEquals(periodPositive.isNegative(), false);
152 
153         ChronoPeriod periodZero = chrono.period(0, 0, 0);
154         assertEquals(periodZero.isZero(), true);
155         assertEquals(periodZero.isNegative(), false);
156 
157         ChronoPeriod periodNegative = chrono.period(-1, 0, 0);
158         assertEquals(periodNegative.isZero(), false);
159         assertEquals(periodNegative.isNegative(), true);
160     }
161 
162     //-----------------------------------------------------------------------
163     @Test(dataProvider="calendars")
test_plus(Chronology chrono)164     public void test_plus(Chronology chrono) {
165         ChronoPeriod period = chrono.period(1, 2, 3);
166         ChronoPeriod period2 = chrono.period(2, 3, 4);
167         ChronoPeriod result = period.plus(period2);
168         assertEquals(result, chrono.period(3, 5, 7));
169     }
170 
171     @Test(dataProvider="calendars", expectedExceptions=DateTimeException.class)
test_plus_wrongChrono(Chronology chrono)172     public void test_plus_wrongChrono(Chronology chrono) {
173         ChronoPeriod period = chrono.period(1, 2, 3);
174         ChronoPeriod isoPeriod = Period.of(2, 3, 4);
175         ChronoPeriod thaiPeriod = ThaiBuddhistChronology.INSTANCE.period(2, 3, 4);
176         // one of these two will fail
177         period.plus(isoPeriod);
178         period.plus(thaiPeriod);
179     }
180 
181     @Test(dataProvider="calendars")
test_minus(Chronology chrono)182     public void test_minus(Chronology chrono) {
183         ChronoPeriod period = chrono.period(1, 2, 3);
184         ChronoPeriod period2 = chrono.period(2, 3, 4);
185         ChronoPeriod result = period.minus(period2);
186         assertEquals(result, chrono.period(-1, -1, -1));
187     }
188 
189     @Test(dataProvider="calendars", expectedExceptions=DateTimeException.class)
test_minus_wrongChrono(Chronology chrono)190     public void test_minus_wrongChrono(Chronology chrono) {
191         ChronoPeriod period = chrono.period(1, 2, 3);
192         ChronoPeriod isoPeriod = Period.of(2, 3, 4);
193         ChronoPeriod thaiPeriod = ThaiBuddhistChronology.INSTANCE.period(2, 3, 4);
194         // one of these two will fail
195         period.minus(isoPeriod);
196         period.minus(thaiPeriod);
197     }
198 
199     //-----------------------------------------------------------------------
200     @Test(dataProvider="calendars")
test_addTo(Chronology chrono)201     public void test_addTo(Chronology chrono) {
202         ChronoPeriod period = chrono.period(1, 2, 3);
203         ChronoLocalDate date = chrono.dateNow();
204         Temporal result = period.addTo(date);
205         assertEquals(result, date.plus(14, MONTHS).plus(3, DAYS));
206     }
207 
208     @Test(dataProvider="calendars", expectedExceptions=DateTimeException.class)
test_addTo_wrongChrono(Chronology chrono)209     public void test_addTo_wrongChrono(Chronology chrono) {
210         ChronoPeriod period = chrono.period(1, 2, 3);
211         ChronoLocalDate isoDate = LocalDate.of(2000, 1, 1);
212         ChronoLocalDate thaiDate = ThaiBuddhistChronology.INSTANCE.date(2000, 1, 1);
213         // one of these two will fail
214         period.addTo(isoDate);
215         period.addTo(thaiDate);
216     }
217 
218     @Test(dataProvider="calendars")
test_subtractFrom(Chronology chrono)219     public void test_subtractFrom(Chronology chrono) {
220         ChronoPeriod period = chrono.period(1, 2, 3);
221         ChronoLocalDate date = chrono.dateNow();
222         Temporal result = period.subtractFrom(date);
223         assertEquals(result, date.minus(14, MONTHS).minus(3, DAYS));
224     }
225 
226     @Test(dataProvider="calendars", expectedExceptions=DateTimeException.class)
test_subtractFrom_wrongChrono(Chronology chrono)227     public void test_subtractFrom_wrongChrono(Chronology chrono) {
228         ChronoPeriod period = chrono.period(1, 2, 3);
229         ChronoLocalDate isoDate = LocalDate.of(2000, 1, 1);
230         ChronoLocalDate thaiDate = ThaiBuddhistChronology.INSTANCE.date(2000, 1, 1);
231         // one of these two will fail
232         period.subtractFrom(isoDate);
233         period.subtractFrom(thaiDate);
234     }
235 
236     //-----------------------------------------------------------------------
237     @Test(dataProvider="calendars")
test_negated(Chronology chrono)238     public void test_negated(Chronology chrono) {
239         ChronoPeriod period = chrono.period(1, 2, 3);
240         assertEquals(period.negated(), chrono.period(-1, -2, -3));
241     }
242 
243     @Test(dataProvider="calendars")
test_multipliedBy(Chronology chrono)244     public void test_multipliedBy(Chronology chrono) {
245         ChronoPeriod period = chrono.period(1, 2, 3);
246         assertEquals(period.multipliedBy(3), chrono.period(3, 6, 9));
247     }
248 
249     //-----------------------------------------------------------------------
250     @Test(dataProvider="calendars")
test_equals_equal(Chronology chrono)251     public void test_equals_equal(Chronology chrono) {
252         ChronoPeriod a1 = chrono.period(1, 2, 3);
253         ChronoPeriod a2 = chrono.period(1, 2, 3);
254         assertEquals(a1, a1);
255         assertEquals(a1, a2);
256         assertEquals(a2, a1);
257         assertEquals(a2, a2);
258         assertEquals(a1.hashCode(), a2.hashCode());
259     }
260 
261     @Test(dataProvider="calendars")
test_equals_notEqual(Chronology chrono)262     public void test_equals_notEqual(Chronology chrono) {
263         ChronoPeriod a = chrono.period(1, 2, 3);
264         ChronoPeriod b = chrono.period(2, 2, 3);
265         assertEquals(a.equals(b), false);
266         assertEquals(b.equals(a), false);
267         assertEquals(a.equals(""), false);
268         assertEquals(a.equals(null), false);
269     }
270 
271     @Test(dataProvider="calendars")
test_toString(Chronology chrono)272     public void test_toString(Chronology chrono) {
273         ChronoPeriod period = chrono.period(1, 2, 3);
274         if (period instanceof Period == false) {
275             assertEquals(period.toString(), chrono.getId() + " P1Y2M3D");
276         }
277     }
278 
279 }
280