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) 2008-2012, 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 */ 60 package test.java.time; 61 62 import static org.testng.Assert.assertEquals; 63 64 import java.time.DateTimeException; 65 import java.time.Instant; 66 import java.time.LocalDate; 67 import java.time.LocalTime; 68 import java.time.Month; 69 import java.time.OffsetDateTime; 70 import java.time.Year; 71 import java.time.ZoneOffset; 72 73 import org.testng.annotations.Test; 74 75 /** 76 * Test OffsetDateTime creation. 77 */ 78 @Test 79 public class TestOffsetDateTime_instants { 80 81 private static final ZoneOffset OFFSET_PONE = ZoneOffset.ofHours(1); 82 private static final ZoneOffset OFFSET_MAX = ZoneOffset.ofHours(18); 83 private static final ZoneOffset OFFSET_MIN = ZoneOffset.ofHours(-18); 84 85 //----------------------------------------------------------------------- 86 @Test(expectedExceptions=NullPointerException.class) factory_ofInstant_nullInstant()87 public void factory_ofInstant_nullInstant() { 88 OffsetDateTime.ofInstant((Instant) null, OFFSET_PONE); 89 } 90 91 @Test(expectedExceptions=NullPointerException.class) factory_ofInstant_nullOffset()92 public void factory_ofInstant_nullOffset() { 93 Instant instant = Instant.ofEpochSecond(0L); 94 OffsetDateTime.ofInstant(instant, (ZoneOffset) null); 95 } 96 factory_ofInstant_allSecsInDay()97 public void factory_ofInstant_allSecsInDay() { 98 for (int i = 0; i < (24 * 60 * 60); i++) { 99 Instant instant = Instant.ofEpochSecond(i); 100 OffsetDateTime test = OffsetDateTime.ofInstant(instant, OFFSET_PONE); 101 assertEquals(test.getYear(), 1970); 102 assertEquals(test.getMonth(), Month.JANUARY); 103 assertEquals(test.getDayOfMonth(), 1 + (i >= 23 * 60 * 60 ? 1 : 0)); 104 assertEquals(test.getHour(), ((i / (60 * 60)) + 1) % 24); 105 assertEquals(test.getMinute(), (i / 60) % 60); 106 assertEquals(test.getSecond(), i % 60); 107 } 108 } 109 factory_ofInstant_allDaysInCycle()110 public void factory_ofInstant_allDaysInCycle() { 111 // sanity check using different algorithm 112 OffsetDateTime expected = OffsetDateTime.of(LocalDate.of(1970, 1, 1), LocalTime.of(0, 0, 0, 0), ZoneOffset.UTC); 113 for (long i = 0; i < 146097; i++) { 114 Instant instant = Instant.ofEpochSecond(i * 24L * 60L * 60L); 115 OffsetDateTime test = OffsetDateTime.ofInstant(instant, ZoneOffset.UTC); 116 assertEquals(test, expected); 117 expected = expected.plusDays(1); 118 } 119 } 120 factory_ofInstant_history()121 public void factory_ofInstant_history() { 122 doTest_factory_ofInstant_all(-2820, 2820); 123 } 124 125 //----------------------------------------------------------------------- factory_ofInstant_minYear()126 public void factory_ofInstant_minYear() { 127 doTest_factory_ofInstant_all(Year.MIN_VALUE, Year.MIN_VALUE + 420); 128 } 129 130 @Test(expectedExceptions=DateTimeException.class) factory_ofInstant_tooLow()131 public void factory_ofInstant_tooLow() { 132 long days_0000_to_1970 = (146097 * 5) - (30 * 365 + 7); 133 int year = Year.MIN_VALUE - 1; 134 long days = (year * 365L + (year / 4 - year / 100 + year / 400)) - days_0000_to_1970; 135 Instant instant = Instant.ofEpochSecond(days * 24L * 60L * 60L); 136 OffsetDateTime.ofInstant(instant, ZoneOffset.UTC); 137 } 138 factory_ofInstant_maxYear()139 public void factory_ofInstant_maxYear() { 140 doTest_factory_ofInstant_all(Year.MAX_VALUE - 420, Year.MAX_VALUE); 141 } 142 143 @Test(expectedExceptions=DateTimeException.class) factory_ofInstant_tooBig()144 public void factory_ofInstant_tooBig() { 145 long days_0000_to_1970 = (146097 * 5) - (30 * 365 + 7); 146 long year = Year.MAX_VALUE + 1L; 147 long days = (year * 365L + (year / 4 - year / 100 + year / 400)) - days_0000_to_1970; 148 Instant instant = Instant.ofEpochSecond(days * 24L * 60L * 60L); 149 OffsetDateTime.ofInstant(instant, ZoneOffset.UTC); 150 } 151 152 //----------------------------------------------------------------------- factory_ofInstant_minWithMinOffset()153 public void factory_ofInstant_minWithMinOffset() { 154 long days_0000_to_1970 = (146097 * 5) - (30 * 365 + 7); 155 int year = Year.MIN_VALUE; 156 long days = (year * 365L + (year / 4 - year / 100 + year / 400)) - days_0000_to_1970; 157 Instant instant = Instant.ofEpochSecond(days * 24L * 60L * 60L - OFFSET_MIN.getTotalSeconds()); 158 OffsetDateTime test = OffsetDateTime.ofInstant(instant, OFFSET_MIN); 159 assertEquals(test.getYear(), Year.MIN_VALUE); 160 assertEquals(test.getMonth().getValue(), 1); 161 assertEquals(test.getDayOfMonth(), 1); 162 assertEquals(test.getOffset(), OFFSET_MIN); 163 assertEquals(test.getHour(), 0); 164 assertEquals(test.getMinute(), 0); 165 assertEquals(test.getSecond(), 0); 166 assertEquals(test.getNano(), 0); 167 } 168 factory_ofInstant_minWithMaxOffset()169 public void factory_ofInstant_minWithMaxOffset() { 170 long days_0000_to_1970 = (146097 * 5) - (30 * 365 + 7); 171 int year = Year.MIN_VALUE; 172 long days = (year * 365L + (year / 4 - year / 100 + year / 400)) - days_0000_to_1970; 173 Instant instant = Instant.ofEpochSecond(days * 24L * 60L * 60L - OFFSET_MAX.getTotalSeconds()); 174 OffsetDateTime test = OffsetDateTime.ofInstant(instant, OFFSET_MAX); 175 assertEquals(test.getYear(), Year.MIN_VALUE); 176 assertEquals(test.getMonth().getValue(), 1); 177 assertEquals(test.getDayOfMonth(), 1); 178 assertEquals(test.getOffset(), OFFSET_MAX); 179 assertEquals(test.getHour(), 0); 180 assertEquals(test.getMinute(), 0); 181 assertEquals(test.getSecond(), 0); 182 assertEquals(test.getNano(), 0); 183 } 184 factory_ofInstant_maxWithMinOffset()185 public void factory_ofInstant_maxWithMinOffset() { 186 long days_0000_to_1970 = (146097 * 5) - (30 * 365 + 7); 187 int year = Year.MAX_VALUE; 188 long days = (year * 365L + (year / 4 - year / 100 + year / 400)) + 365 - days_0000_to_1970; 189 Instant instant = Instant.ofEpochSecond((days + 1) * 24L * 60L * 60L - 1 - OFFSET_MIN.getTotalSeconds()); 190 OffsetDateTime test = OffsetDateTime.ofInstant(instant, OFFSET_MIN); 191 assertEquals(test.getYear(), Year.MAX_VALUE); 192 assertEquals(test.getMonth().getValue(), 12); 193 assertEquals(test.getDayOfMonth(), 31); 194 assertEquals(test.getOffset(), OFFSET_MIN); 195 assertEquals(test.getHour(), 23); 196 assertEquals(test.getMinute(), 59); 197 assertEquals(test.getSecond(), 59); 198 assertEquals(test.getNano(), 0); 199 } 200 factory_ofInstant_maxWithMaxOffset()201 public void factory_ofInstant_maxWithMaxOffset() { 202 long days_0000_to_1970 = (146097 * 5) - (30 * 365 + 7); 203 int year = Year.MAX_VALUE; 204 long days = (year * 365L + (year / 4 - year / 100 + year / 400)) + 365 - days_0000_to_1970; 205 Instant instant = Instant.ofEpochSecond((days + 1) * 24L * 60L * 60L - 1 - OFFSET_MAX.getTotalSeconds()); 206 OffsetDateTime test = OffsetDateTime.ofInstant(instant, OFFSET_MAX); 207 assertEquals(test.getYear(), Year.MAX_VALUE); 208 assertEquals(test.getMonth().getValue(), 12); 209 assertEquals(test.getDayOfMonth(), 31); 210 assertEquals(test.getOffset(), OFFSET_MAX); 211 assertEquals(test.getHour(), 23); 212 assertEquals(test.getMinute(), 59); 213 assertEquals(test.getSecond(), 59); 214 assertEquals(test.getNano(), 0); 215 } 216 217 //----------------------------------------------------------------------- 218 @Test(expectedExceptions=DateTimeException.class) factory_ofInstant_maxInstantWithMaxOffset()219 public void factory_ofInstant_maxInstantWithMaxOffset() { 220 Instant instant = Instant.ofEpochSecond(Long.MAX_VALUE); 221 OffsetDateTime.ofInstant(instant, OFFSET_MAX); 222 } 223 224 @Test(expectedExceptions=DateTimeException.class) factory_ofInstant_maxInstantWithMinOffset()225 public void factory_ofInstant_maxInstantWithMinOffset() { 226 Instant instant = Instant.ofEpochSecond(Long.MAX_VALUE); 227 OffsetDateTime.ofInstant(instant, OFFSET_MIN); 228 } 229 230 //----------------------------------------------------------------------- doTest_factory_ofInstant_all(long minYear, long maxYear)231 private void doTest_factory_ofInstant_all(long minYear, long maxYear) { 232 long days_0000_to_1970 = (146097 * 5) - (30 * 365 + 7); 233 int minOffset = (minYear <= 0 ? 0 : 3); 234 int maxOffset = (maxYear <= 0 ? 0 : 3); 235 long minDays = (minYear * 365L + ((minYear + minOffset) / 4L - (minYear + minOffset) / 100L + (minYear + minOffset) / 400L)) - days_0000_to_1970; 236 long maxDays = (maxYear * 365L + ((maxYear + maxOffset) / 4L - (maxYear + maxOffset) / 100L + (maxYear + maxOffset) / 400L)) + 365L - days_0000_to_1970; 237 238 final LocalDate maxDate = LocalDate.of(Year.MAX_VALUE, 12, 31); 239 OffsetDateTime expected = OffsetDateTime.of(LocalDate.of((int) minYear, 1, 1), LocalTime.of(0, 0, 0, 0), ZoneOffset.UTC); 240 for (long i = minDays; i < maxDays; i++) { 241 Instant instant = Instant.ofEpochSecond(i * 24L * 60L * 60L); 242 try { 243 OffsetDateTime test = OffsetDateTime.ofInstant(instant, ZoneOffset.UTC); 244 assertEquals(test, expected); 245 if (expected.toLocalDate().equals(maxDate) == false) { 246 expected = expected.plusDays(1); 247 } 248 } catch (RuntimeException|Error ex) { 249 System.out.println("Error: " + i + " " + expected); 250 throw ex; 251 } 252 } 253 } 254 255 // for performance testing 256 // private void doTest_factory_ofInstant_all(int minYear, int maxYear) { 257 // long days_0000_to_1970 = (146097 * 5) - (30 * 365 + 7); 258 // int minOffset = (minYear <= 0 ? 0 : 3); 259 // int maxOffset = (maxYear <= 0 ? 0 : 3); 260 // long minDays = (long) (minYear * 365L + ((minYear + minOffset) / 4L - (minYear + minOffset) / 100L + (minYear + minOffset) / 400L)) - days_0000_to_1970; 261 // long maxDays = (long) (maxYear * 365L + ((maxYear + maxOffset) / 4L - (maxYear + maxOffset) / 100L + (maxYear + maxOffset) / 400L)) + 365L - days_0000_to_1970; 262 // 263 // OffsetDateTime expected = OffsetDateTime.dateTime(minYear, 1, 1, 0, 0, 0, 0, ZoneOffset.UTC); 264 // Date cutover = new Date(Long.MIN_VALUE); 265 // GregorianCalendar cal = new GregorianCalendar(TimeZone.getTimeZone("UTC")); 266 // cal.setGregorianChange(cutover); 267 // for (long i = minDays; i < maxDays; i++) { 268 // Instant instant = Instant.instant(i * 24L * 60L * 60L); 269 // try { 270 // cal.setTimeInMillis(instant.getEpochSecond() * 1000L); 271 // assertEquals(cal.get(GregorianCalendar.MONTH), expected.getMonth().getValue() - 1); 272 // assertEquals(cal.get(GregorianCalendar.DAY_OF_MONTH), expected.getDayOfMonth().getValue()); 273 // expected = expected.plusDays(1); 274 // } catch (RuntimeException ex) { 275 // System.out.println("Error: " + i + " " + expected); 276 // throw ex; 277 // } catch (Error ex) { 278 // System.out.println("Error: " + i + " " + expected); 279 // throw ex; 280 // } 281 // } 282 // } 283 284 //----------------------------------------------------------------------- test_toInstant_19700101()285 public void test_toInstant_19700101() { 286 OffsetDateTime dt = OffsetDateTime.of(LocalDate.of(1970, 1, 1), LocalTime.of(0, 0, 0, 0), ZoneOffset.UTC); 287 Instant test = dt.toInstant(); 288 assertEquals(test.getEpochSecond(), 0); 289 assertEquals(test.getNano(), 0); 290 } 291 test_toInstant_19700101_oneNano()292 public void test_toInstant_19700101_oneNano() { 293 OffsetDateTime dt = OffsetDateTime.of(LocalDate.of(1970, 1, 1), LocalTime.of(0, 0, 0, 1), ZoneOffset.UTC); 294 Instant test = dt.toInstant(); 295 assertEquals(test.getEpochSecond(), 0); 296 assertEquals(test.getNano(), 1); 297 } 298 test_toInstant_19700101_minusOneNano()299 public void test_toInstant_19700101_minusOneNano() { 300 OffsetDateTime dt = OffsetDateTime.of(LocalDate.of(1969, 12, 31), LocalTime.of(23, 59, 59, 999999999), ZoneOffset.UTC); 301 Instant test = dt.toInstant(); 302 assertEquals(test.getEpochSecond(), -1); 303 assertEquals(test.getNano(), 999999999); 304 } 305 test_toInstant_19700102()306 public void test_toInstant_19700102() { 307 OffsetDateTime dt = OffsetDateTime.of(LocalDate.of(1970, 1, 2), LocalTime.of(0, 0, 0, 0), ZoneOffset.UTC); 308 Instant test = dt.toInstant(); 309 assertEquals(test.getEpochSecond(), 24L * 60L * 60L); 310 assertEquals(test.getNano(), 0); 311 } 312 test_toInstant_19691231()313 public void test_toInstant_19691231() { 314 OffsetDateTime dt = OffsetDateTime.of(LocalDate.of(1969, 12, 31), LocalTime.of(0, 0, 0, 0), ZoneOffset.UTC); 315 Instant test = dt.toInstant(); 316 assertEquals(test.getEpochSecond(), -24L * 60L * 60L); 317 assertEquals(test.getNano(), 0); 318 } 319 320 //----------------------------------------------------------------------- test_toEpochSecond_19700101()321 public void test_toEpochSecond_19700101() { 322 OffsetDateTime dt = OffsetDateTime.of(LocalDate.of(1970, 1, 1), LocalTime.of(0, 0, 0, 0), ZoneOffset.UTC); 323 assertEquals(dt.toEpochSecond(), 0); 324 } 325 test_toEpochSecond_19700101_oneNano()326 public void test_toEpochSecond_19700101_oneNano() { 327 OffsetDateTime dt = OffsetDateTime.of(LocalDate.of(1970, 1, 1), LocalTime.of( 0, 0, 0, 1), ZoneOffset.UTC); 328 assertEquals(dt.toEpochSecond(), 0); 329 } 330 test_toEpochSecond_19700101_minusOneNano()331 public void test_toEpochSecond_19700101_minusOneNano() { 332 OffsetDateTime dt = OffsetDateTime.of(LocalDate.of(1969, 12, 31), LocalTime.of(23, 59, 59, 999999999), ZoneOffset.UTC); 333 assertEquals(dt.toEpochSecond(), -1); 334 } 335 test_toEpochSecond_19700102()336 public void test_toEpochSecond_19700102() { 337 OffsetDateTime dt = OffsetDateTime.of(LocalDate.of(1970, 1, 2), LocalTime.of(0, 0, 0, 0), ZoneOffset.UTC); 338 assertEquals(dt.toEpochSecond(), 24L * 60L * 60L); 339 } 340 test_toEpochSecond_19691231()341 public void test_toEpochSecond_19691231() { 342 OffsetDateTime dt = OffsetDateTime.of(LocalDate.of(1969, 12, 31), LocalTime.of(0, 0, 0, 0), ZoneOffset.UTC); 343 assertEquals(dt.toEpochSecond(), -24L * 60L * 60L); 344 } 345 346 } 347