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.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24/*
25 * This file is available under and governed by the GNU General Public
26 * License version 2 only, as published by the Free Software Foundation.
27 * However, the following notice accompanied the original version of this
28 * file:
29 *
30 * Copyright (c) 2007-2012, Stephen Colebourne & Michael Nascimento Santos
31 *
32 * All rights reserved.
33 *
34 * Redistribution and use in source and binary forms, with or without
35 * modification, are permitted provided that the following conditions are met:
36 *
37 *  * Redistributions of source code must retain the above copyright notice,
38 *    this list of conditions and the following disclaimer.
39 *
40 *  * Redistributions in binary form must reproduce the above copyright notice,
41 *    this list of conditions and the following disclaimer in the documentation
42 *    and/or other materials provided with the distribution.
43 *
44 *  * Neither the name of JSR-310 nor the names of its contributors
45 *    may be used to endorse or promote products derived from this software
46 *    without specific prior written permission.
47 *
48 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
49 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
50 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
51 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
52 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
53 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
54 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
55 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
56 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
57 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
58 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
59 */
60package test.java.time;
61
62import static java.time.temporal.ChronoField.YEAR;
63import static org.testng.Assert.assertEquals;
64import static org.testng.Assert.assertSame;
65import static org.testng.Assert.assertTrue;
66
67import java.time.LocalDate;
68import java.time.Month;
69import java.time.temporal.ChronoUnit;
70
71import org.testng.annotations.BeforeMethod;
72import org.testng.annotations.DataProvider;
73import org.testng.annotations.Test;
74
75/**
76 * Test LocalDate.
77 */
78@Test
79public class TestLocalDate extends AbstractTest {
80
81    private LocalDate TEST_2007_07_15;
82
83    @BeforeMethod
84    public void setUp() {
85        TEST_2007_07_15 = LocalDate.of(2007, 7, 15);
86    }
87
88    //-----------------------------------------------------------------------
89    @Test
90    public void test_immutable() {
91        assertImmutable(LocalDate.class);
92    }
93
94    //-----------------------------------------------------------------------
95    // Since plusDays/minusDays actually depends on MJDays, it cannot be used for testing
96    private LocalDate next(LocalDate date) {
97        int newDayOfMonth = date.getDayOfMonth() + 1;
98        if (newDayOfMonth <= date.getMonth().length(isIsoLeap(date.getYear()))) {
99            return date.withDayOfMonth(newDayOfMonth);
100        }
101        date = date.withDayOfMonth(1);
102        if (date.getMonth() == Month.DECEMBER) {
103            date = date.withYear(date.getYear() + 1);
104        }
105        return date.with(date.getMonth().plus(1));
106    }
107
108    private LocalDate previous(LocalDate date) {
109        int newDayOfMonth = date.getDayOfMonth() - 1;
110        if (newDayOfMonth > 0) {
111            return date.withDayOfMonth(newDayOfMonth);
112        }
113        date = date.with(date.getMonth().minus(1));
114        if (date.getMonth() == Month.DECEMBER) {
115            date = date.withYear(date.getYear() - 1);
116        }
117        return date.withDayOfMonth(date.getMonth().length(isIsoLeap(date.getYear())));
118    }
119
120    @Test
121    public void test_with_DateTimeField_long_noChange_same() {
122        LocalDate t = TEST_2007_07_15.with(YEAR, 2007);
123        assertSame(t, TEST_2007_07_15);
124    }
125
126    @Test
127    public void test_withYear_int_noChange_same() {
128        LocalDate t = TEST_2007_07_15.withYear(2007);
129        assertSame(t, TEST_2007_07_15);
130    }
131
132    @Test
133    public void test_withMonth_int_noChange_same() {
134        LocalDate t = TEST_2007_07_15.withMonth(7);
135        assertSame(t, TEST_2007_07_15);
136    }
137
138    @Test
139    public void test_withDayOfMonth_noChange_same() {
140        LocalDate t = TEST_2007_07_15.withDayOfMonth(15);
141        assertSame(t, TEST_2007_07_15);
142    }
143
144    @Test
145    public void test_withDayOfYear_noChange_same() {
146        LocalDate t = TEST_2007_07_15.withDayOfYear(31 + 28 + 31 + 30 + 31 + 30 + 15);
147        assertSame(t, TEST_2007_07_15);
148    }
149
150    @Test
151    public void test_plus_Period_zero() {
152        LocalDate t = TEST_2007_07_15.plus(MockSimplePeriod.ZERO_DAYS);
153        assertSame(t, TEST_2007_07_15);
154    }
155
156    @Test
157    public void test_plus_longPeriodUnit_zero() {
158        LocalDate t = TEST_2007_07_15.plus(0, ChronoUnit.DAYS);
159        assertSame(t, TEST_2007_07_15);
160    }
161
162    @Test
163    public void test_plusYears_long_noChange_same() {
164        LocalDate t = TEST_2007_07_15.plusYears(0);
165        assertSame(t, TEST_2007_07_15);
166    }
167
168    @Test
169    public void test_plusMonths_long_noChange_same() {
170        LocalDate t = TEST_2007_07_15.plusMonths(0);
171        assertSame(t, TEST_2007_07_15);
172    }
173
174    //-----------------------------------------------------------------------
175    // plusWeeks()
176    //-----------------------------------------------------------------------
177    @DataProvider(name="samplePlusWeeksSymmetry")
178    Object[][] provider_samplePlusWeeksSymmetry() {
179        return new Object[][] {
180            {LocalDate.of(-1, 1, 1)},
181            {LocalDate.of(-1, 2, 28)},
182            {LocalDate.of(-1, 3, 1)},
183            {LocalDate.of(-1, 12, 31)},
184            {LocalDate.of(0, 1, 1)},
185            {LocalDate.of(0, 2, 28)},
186            {LocalDate.of(0, 2, 29)},
187            {LocalDate.of(0, 3, 1)},
188            {LocalDate.of(0, 12, 31)},
189            {LocalDate.of(2007, 1, 1)},
190            {LocalDate.of(2007, 2, 28)},
191            {LocalDate.of(2007, 3, 1)},
192            {LocalDate.of(2007, 12, 31)},
193            {LocalDate.of(2008, 1, 1)},
194            {LocalDate.of(2008, 2, 28)},
195            {LocalDate.of(2008, 2, 29)},
196            {LocalDate.of(2008, 3, 1)},
197            {LocalDate.of(2008, 12, 31)},
198            {LocalDate.of(2099, 1, 1)},
199            {LocalDate.of(2099, 2, 28)},
200            {LocalDate.of(2099, 3, 1)},
201            {LocalDate.of(2099, 12, 31)},
202            {LocalDate.of(2100, 1, 1)},
203            {LocalDate.of(2100, 2, 28)},
204            {LocalDate.of(2100, 3, 1)},
205            {LocalDate.of(2100, 12, 31)},
206        };
207    }
208
209    @Test(dataProvider="samplePlusWeeksSymmetry")
210    public void test_plusWeeks_symmetry(LocalDate reference) {
211        for (int weeks = 0; weeks < 365 * 8; weeks++) {
212            LocalDate t = reference.plusWeeks(weeks).plusWeeks(-weeks);
213            assertEquals(t, reference);
214
215            t = reference.plusWeeks(-weeks).plusWeeks(weeks);
216            assertEquals(t, reference);
217        }
218    }
219
220    @Test
221    public void test_plusWeeks_noChange_same() {
222        LocalDate t = TEST_2007_07_15.plusWeeks(0);
223        assertSame(t, TEST_2007_07_15);
224    }
225
226    //-----------------------------------------------------------------------
227    // plusDays()
228    //-----------------------------------------------------------------------
229    @DataProvider(name="samplePlusDaysSymmetry")
230    Object[][] provider_samplePlusDaysSymmetry() {
231        return new Object[][] {
232            {LocalDate.of(-1, 1, 1)},
233            {LocalDate.of(-1, 2, 28)},
234            {LocalDate.of(-1, 3, 1)},
235            {LocalDate.of(-1, 12, 31)},
236            {LocalDate.of(0, 1, 1)},
237            {LocalDate.of(0, 2, 28)},
238            {LocalDate.of(0, 2, 29)},
239            {LocalDate.of(0, 3, 1)},
240            {LocalDate.of(0, 12, 31)},
241            {LocalDate.of(2007, 1, 1)},
242            {LocalDate.of(2007, 2, 28)},
243            {LocalDate.of(2007, 3, 1)},
244            {LocalDate.of(2007, 12, 31)},
245            {LocalDate.of(2008, 1, 1)},
246            {LocalDate.of(2008, 2, 28)},
247            {LocalDate.of(2008, 2, 29)},
248            {LocalDate.of(2008, 3, 1)},
249            {LocalDate.of(2008, 12, 31)},
250            {LocalDate.of(2099, 1, 1)},
251            {LocalDate.of(2099, 2, 28)},
252            {LocalDate.of(2099, 3, 1)},
253            {LocalDate.of(2099, 12, 31)},
254            {LocalDate.of(2100, 1, 1)},
255            {LocalDate.of(2100, 2, 28)},
256            {LocalDate.of(2100, 3, 1)},
257            {LocalDate.of(2100, 12, 31)},
258        };
259    }
260
261    @Test(dataProvider="samplePlusDaysSymmetry")
262    public void test_plusDays_symmetry(LocalDate reference) {
263        for (int days = 0; days < 365 * 8; days++) {
264            LocalDate t = reference.plusDays(days).plusDays(-days);
265            assertEquals(t, reference);
266
267            t = reference.plusDays(-days).plusDays(days);
268            assertEquals(t, reference);
269        }
270    }
271
272    @Test
273    public void test_plusDays_noChange_same() {
274        LocalDate t = TEST_2007_07_15.plusDays(0);
275        assertSame(t, TEST_2007_07_15);
276    }
277
278    @Test
279    public void test_minus_Period_zero() {
280        LocalDate t = TEST_2007_07_15.minus(MockSimplePeriod.ZERO_DAYS);
281        assertSame(t, TEST_2007_07_15);
282    }
283
284    @Test
285    public void test_minus_longPeriodUnit_zero() {
286        LocalDate t = TEST_2007_07_15.minus(0, ChronoUnit.DAYS);
287        assertSame(t, TEST_2007_07_15);
288    }
289
290    @Test
291    public void test_minusYears_long_noChange_same() {
292        LocalDate t = TEST_2007_07_15.minusYears(0);
293        assertSame(t, TEST_2007_07_15);
294    }
295
296    @Test
297    public void test_minusMonths_long_noChange_same() {
298        LocalDate t = TEST_2007_07_15.minusMonths(0);
299        assertSame(t, TEST_2007_07_15);
300    }
301
302    //-----------------------------------------------------------------------
303    // minusWeeks()
304    //-----------------------------------------------------------------------
305    @DataProvider(name="sampleMinusWeeksSymmetry")
306    Object[][] provider_sampleMinusWeeksSymmetry() {
307        return new Object[][] {
308            {LocalDate.of(-1, 1, 1)},
309            {LocalDate.of(-1, 2, 28)},
310            {LocalDate.of(-1, 3, 1)},
311            {LocalDate.of(-1, 12, 31)},
312            {LocalDate.of(0, 1, 1)},
313            {LocalDate.of(0, 2, 28)},
314            {LocalDate.of(0, 2, 29)},
315            {LocalDate.of(0, 3, 1)},
316            {LocalDate.of(0, 12, 31)},
317            {LocalDate.of(2007, 1, 1)},
318            {LocalDate.of(2007, 2, 28)},
319            {LocalDate.of(2007, 3, 1)},
320            {LocalDate.of(2007, 12, 31)},
321            {LocalDate.of(2008, 1, 1)},
322            {LocalDate.of(2008, 2, 28)},
323            {LocalDate.of(2008, 2, 29)},
324            {LocalDate.of(2008, 3, 1)},
325            {LocalDate.of(2008, 12, 31)},
326            {LocalDate.of(2099, 1, 1)},
327            {LocalDate.of(2099, 2, 28)},
328            {LocalDate.of(2099, 3, 1)},
329            {LocalDate.of(2099, 12, 31)},
330            {LocalDate.of(2100, 1, 1)},
331            {LocalDate.of(2100, 2, 28)},
332            {LocalDate.of(2100, 3, 1)},
333            {LocalDate.of(2100, 12, 31)},
334        };
335    }
336
337    @Test(dataProvider="sampleMinusWeeksSymmetry")
338    public void test_minusWeeks_symmetry(LocalDate reference) {
339        for (int weeks = 0; weeks < 365 * 8; weeks++) {
340            LocalDate t = reference.minusWeeks(weeks).minusWeeks(-weeks);
341            assertEquals(t, reference);
342
343            t = reference.minusWeeks(-weeks).minusWeeks(weeks);
344            assertEquals(t, reference);
345        }
346    }
347
348    @Test
349    public void test_minusWeeks_noChange_same() {
350        LocalDate t = TEST_2007_07_15.minusWeeks(0);
351        assertSame(t, TEST_2007_07_15);
352    }
353
354    //-----------------------------------------------------------------------
355    // minusDays()
356    //-----------------------------------------------------------------------
357    @DataProvider(name="sampleMinusDaysSymmetry")
358    Object[][] provider_sampleMinusDaysSymmetry() {
359        return new Object[][] {
360            {LocalDate.of(-1, 1, 1)},
361            {LocalDate.of(-1, 2, 28)},
362            {LocalDate.of(-1, 3, 1)},
363            {LocalDate.of(-1, 12, 31)},
364            {LocalDate.of(0, 1, 1)},
365            {LocalDate.of(0, 2, 28)},
366            {LocalDate.of(0, 2, 29)},
367            {LocalDate.of(0, 3, 1)},
368            {LocalDate.of(0, 12, 31)},
369            {LocalDate.of(2007, 1, 1)},
370            {LocalDate.of(2007, 2, 28)},
371            {LocalDate.of(2007, 3, 1)},
372            {LocalDate.of(2007, 12, 31)},
373            {LocalDate.of(2008, 1, 1)},
374            {LocalDate.of(2008, 2, 28)},
375            {LocalDate.of(2008, 2, 29)},
376            {LocalDate.of(2008, 3, 1)},
377            {LocalDate.of(2008, 12, 31)},
378            {LocalDate.of(2099, 1, 1)},
379            {LocalDate.of(2099, 2, 28)},
380            {LocalDate.of(2099, 3, 1)},
381            {LocalDate.of(2099, 12, 31)},
382            {LocalDate.of(2100, 1, 1)},
383            {LocalDate.of(2100, 2, 28)},
384            {LocalDate.of(2100, 3, 1)},
385            {LocalDate.of(2100, 12, 31)},
386        };
387    }
388
389    @Test(dataProvider="sampleMinusDaysSymmetry")
390    public void test_minusDays_symmetry(LocalDate reference) {
391        for (int days = 0; days < 365 * 8; days++) {
392            LocalDate t = reference.minusDays(days).minusDays(-days);
393            assertEquals(t, reference);
394
395            t = reference.minusDays(-days).minusDays(days);
396            assertEquals(t, reference);
397        }
398    }
399
400    @Test
401    public void test_minusDays_noChange_same() {
402        LocalDate t = TEST_2007_07_15.minusDays(0);
403        assertSame(t, TEST_2007_07_15);
404    }
405
406    @Test
407    public void test_toEpochDay_fromMJDays_symmetry() {
408        long date_0000_01_01 = -678941 - 40587;
409
410        LocalDate test = LocalDate.of(0, 1, 1);
411        for (long i = date_0000_01_01; i < 700000; i++) {
412            assertEquals(LocalDate.ofEpochDay(test.toEpochDay()), test);
413            test = next(test);
414        }
415        test = LocalDate.of(0, 1, 1);
416        for (long i = date_0000_01_01; i > -2000000; i--) {
417            assertEquals(LocalDate.ofEpochDay(test.toEpochDay()), test);
418            test = previous(test);
419        }
420    }
421
422    void doTest_comparisons_LocalDate(LocalDate... localDates) {
423        for (int i = 0; i < localDates.length; i++) {
424            LocalDate a = localDates[i];
425            for (int j = 0; j < localDates.length; j++) {
426                LocalDate b = localDates[j];
427                if (i < j) {
428                    assertTrue(a.compareTo(b) < 0, a + " <=> " + b);
429                    assertEquals(a.isBefore(b), true, a + " <=> " + b);
430                    assertEquals(a.isAfter(b), false, a + " <=> " + b);
431                    assertEquals(a.equals(b), false, a + " <=> " + b);
432                } else if (i > j) {
433                    assertTrue(a.compareTo(b) > 0, a + " <=> " + b);
434                    assertEquals(a.isBefore(b), false, a + " <=> " + b);
435                    assertEquals(a.isAfter(b), true, a + " <=> " + b);
436                    assertEquals(a.equals(b), false, a + " <=> " + b);
437                } else {
438                    assertEquals(a.compareTo(b), 0, a + " <=> " + b);
439                    assertEquals(a.isBefore(b), false, a + " <=> " + b);
440                    assertEquals(a.isAfter(b), false, a + " <=> " + b);
441                    assertEquals(a.equals(b), true, a + " <=> " + b);
442                }
443            }
444        }
445    }
446
447}
448