--- /dev/null 2013-01-18 16:17:08.886776012 -0800 +++ new/test/java/time/test/java/time/temporal/TestOffsetDateTime_instants.java 2013-01-22 16:59:33.000000000 -0800 @@ -0,0 +1,347 @@ +/* + * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +/* + * This file is available under and governed by the GNU General Public + * License version 2 only, as published by the Free Software Foundation. + * However, the following notice accompanied the original version of this + * file: + * + * Copyright (c) 2008-2012, Stephen Colebourne & Michael Nascimento Santos + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * * Neither the name of JSR-310 nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +package test.java.time.temporal; + +import java.time.DateTimeException; +import java.time.Instant; +import java.time.LocalDate; +import java.time.LocalTime; +import java.time.Month; +import java.time.ZoneOffset; + +import java.time.temporal.OffsetDateTime; +import java.time.temporal.Year; + +import static org.testng.Assert.assertEquals; + +import org.testng.annotations.Test; + +/** + * Test OffsetDate creation. + */ +@Test +public class TestOffsetDateTime_instants { + + private static final ZoneOffset OFFSET_PONE = ZoneOffset.ofHours(1); + private static final ZoneOffset OFFSET_MAX = ZoneOffset.ofHours(18); + private static final ZoneOffset OFFSET_MIN = ZoneOffset.ofHours(-18); + + //----------------------------------------------------------------------- + @Test(expectedExceptions=NullPointerException.class) + public void factory_ofInstant_nullInstant() { + OffsetDateTime.ofInstant((Instant) null, OFFSET_PONE); + } + + @Test(expectedExceptions=NullPointerException.class) + public void factory_ofInstant_nullOffset() { + Instant instant = Instant.ofEpochSecond(0L); + OffsetDateTime.ofInstant(instant, (ZoneOffset) null); + } + + public void factory_ofInstant_allSecsInDay() { + for (int i = 0; i < (24 * 60 * 60); i++) { + Instant instant = Instant.ofEpochSecond(i); + OffsetDateTime test = OffsetDateTime.ofInstant(instant, OFFSET_PONE); + assertEquals(test.getYear(), 1970); + assertEquals(test.getMonth(), Month.JANUARY); + assertEquals(test.getDayOfMonth(), 1 + (i >= 23 * 60 * 60 ? 1 : 0)); + assertEquals(test.getHour(), ((i / (60 * 60)) + 1) % 24); + assertEquals(test.getMinute(), (i / 60) % 60); + assertEquals(test.getSecond(), i % 60); + } + } + + public void factory_ofInstant_allDaysInCycle() { + // sanity check using different algorithm + OffsetDateTime expected = OffsetDateTime.of(LocalDate.of(1970, 1, 1), LocalTime.of(0, 0, 0, 0), ZoneOffset.UTC); + for (long i = 0; i < 146097; i++) { + Instant instant = Instant.ofEpochSecond(i * 24L * 60L * 60L); + OffsetDateTime test = OffsetDateTime.ofInstant(instant, ZoneOffset.UTC); + assertEquals(test, expected); + expected = expected.plusDays(1); + } + } + + public void factory_ofInstant_history() { + doTest_factory_ofInstant_all(-2820, 2820); + } + + //----------------------------------------------------------------------- + public void factory_ofInstant_minYear() { + doTest_factory_ofInstant_all(Year.MIN_VALUE, Year.MIN_VALUE + 420); + } + + @Test(expectedExceptions=DateTimeException.class) + public void factory_ofInstant_tooLow() { + long days_0000_to_1970 = (146097 * 5) - (30 * 365 + 7); + int year = Year.MIN_VALUE - 1; + long days = (year * 365L + (year / 4 - year / 100 + year / 400)) - days_0000_to_1970; + Instant instant = Instant.ofEpochSecond(days * 24L * 60L * 60L); + OffsetDateTime.ofInstant(instant, ZoneOffset.UTC); + } + + public void factory_ofInstant_maxYear() { + doTest_factory_ofInstant_all(Year.MAX_VALUE - 420, Year.MAX_VALUE); + } + + @Test(expectedExceptions=DateTimeException.class) + public void factory_ofInstant_tooBig() { + long days_0000_to_1970 = (146097 * 5) - (30 * 365 + 7); + long year = Year.MAX_VALUE + 1L; + long days = (year * 365L + (year / 4 - year / 100 + year / 400)) - days_0000_to_1970; + Instant instant = Instant.ofEpochSecond(days * 24L * 60L * 60L); + OffsetDateTime.ofInstant(instant, ZoneOffset.UTC); + } + + //----------------------------------------------------------------------- + public void factory_ofInstant_minWithMinOffset() { + long days_0000_to_1970 = (146097 * 5) - (30 * 365 + 7); + int year = Year.MIN_VALUE; + long days = (year * 365L + (year / 4 - year / 100 + year / 400)) - days_0000_to_1970; + Instant instant = Instant.ofEpochSecond(days * 24L * 60L * 60L - OFFSET_MIN.getTotalSeconds()); + OffsetDateTime test = OffsetDateTime.ofInstant(instant, OFFSET_MIN); + assertEquals(test.getYear(), Year.MIN_VALUE); + assertEquals(test.getMonth().getValue(), 1); + assertEquals(test.getDayOfMonth(), 1); + assertEquals(test.getOffset(), OFFSET_MIN); + assertEquals(test.getHour(), 0); + assertEquals(test.getMinute(), 0); + assertEquals(test.getSecond(), 0); + assertEquals(test.getNano(), 0); + } + + public void factory_ofInstant_minWithMaxOffset() { + long days_0000_to_1970 = (146097 * 5) - (30 * 365 + 7); + int year = Year.MIN_VALUE; + long days = (year * 365L + (year / 4 - year / 100 + year / 400)) - days_0000_to_1970; + Instant instant = Instant.ofEpochSecond(days * 24L * 60L * 60L - OFFSET_MAX.getTotalSeconds()); + OffsetDateTime test = OffsetDateTime.ofInstant(instant, OFFSET_MAX); + assertEquals(test.getYear(), Year.MIN_VALUE); + assertEquals(test.getMonth().getValue(), 1); + assertEquals(test.getDayOfMonth(), 1); + assertEquals(test.getOffset(), OFFSET_MAX); + assertEquals(test.getHour(), 0); + assertEquals(test.getMinute(), 0); + assertEquals(test.getSecond(), 0); + assertEquals(test.getNano(), 0); + } + + public void factory_ofInstant_maxWithMinOffset() { + long days_0000_to_1970 = (146097 * 5) - (30 * 365 + 7); + int year = Year.MAX_VALUE; + long days = (year * 365L + (year / 4 - year / 100 + year / 400)) + 365 - days_0000_to_1970; + Instant instant = Instant.ofEpochSecond((days + 1) * 24L * 60L * 60L - 1 - OFFSET_MIN.getTotalSeconds()); + OffsetDateTime test = OffsetDateTime.ofInstant(instant, OFFSET_MIN); + assertEquals(test.getYear(), Year.MAX_VALUE); + assertEquals(test.getMonth().getValue(), 12); + assertEquals(test.getDayOfMonth(), 31); + assertEquals(test.getOffset(), OFFSET_MIN); + assertEquals(test.getHour(), 23); + assertEquals(test.getMinute(), 59); + assertEquals(test.getSecond(), 59); + assertEquals(test.getNano(), 0); + } + + public void factory_ofInstant_maxWithMaxOffset() { + long days_0000_to_1970 = (146097 * 5) - (30 * 365 + 7); + int year = Year.MAX_VALUE; + long days = (year * 365L + (year / 4 - year / 100 + year / 400)) + 365 - days_0000_to_1970; + Instant instant = Instant.ofEpochSecond((days + 1) * 24L * 60L * 60L - 1 - OFFSET_MAX.getTotalSeconds()); + OffsetDateTime test = OffsetDateTime.ofInstant(instant, OFFSET_MAX); + assertEquals(test.getYear(), Year.MAX_VALUE); + assertEquals(test.getMonth().getValue(), 12); + assertEquals(test.getDayOfMonth(), 31); + assertEquals(test.getOffset(), OFFSET_MAX); + assertEquals(test.getHour(), 23); + assertEquals(test.getMinute(), 59); + assertEquals(test.getSecond(), 59); + assertEquals(test.getNano(), 0); + } + + //----------------------------------------------------------------------- + @Test(expectedExceptions=DateTimeException.class) + public void factory_ofInstant_maxInstantWithMaxOffset() { + Instant instant = Instant.ofEpochSecond(Long.MAX_VALUE); + OffsetDateTime.ofInstant(instant, OFFSET_MAX); + } + + @Test(expectedExceptions=DateTimeException.class) + public void factory_ofInstant_maxInstantWithMinOffset() { + Instant instant = Instant.ofEpochSecond(Long.MAX_VALUE); + OffsetDateTime.ofInstant(instant, OFFSET_MIN); + } + + //----------------------------------------------------------------------- + private void doTest_factory_ofInstant_all(long minYear, long maxYear) { + long days_0000_to_1970 = (146097 * 5) - (30 * 365 + 7); + int minOffset = (minYear <= 0 ? 0 : 3); + int maxOffset = (maxYear <= 0 ? 0 : 3); + long minDays = (minYear * 365L + ((minYear + minOffset) / 4L - (minYear + minOffset) / 100L + (minYear + minOffset) / 400L)) - days_0000_to_1970; + long maxDays = (maxYear * 365L + ((maxYear + maxOffset) / 4L - (maxYear + maxOffset) / 100L + (maxYear + maxOffset) / 400L)) + 365L - days_0000_to_1970; + + final LocalDate maxDate = LocalDate.of(Year.MAX_VALUE, 12, 31); + OffsetDateTime expected = OffsetDateTime.of(LocalDate.of((int) minYear, 1, 1), LocalTime.of(0, 0, 0, 0), ZoneOffset.UTC); + for (long i = minDays; i < maxDays; i++) { + Instant instant = Instant.ofEpochSecond(i * 24L * 60L * 60L); + try { + OffsetDateTime test = OffsetDateTime.ofInstant(instant, ZoneOffset.UTC); + assertEquals(test, expected); + if (expected.getDate().equals(maxDate) == false) { + expected = expected.plusDays(1); + } + } catch (RuntimeException|Error ex) { + System.out.println("Error: " + i + " " + expected); + throw ex; + } + } + } + + // for performance testing + // private void doTest_factory_ofInstant_all(int minYear, int maxYear) { + // long days_0000_to_1970 = (146097 * 5) - (30 * 365 + 7); + // int minOffset = (minYear <= 0 ? 0 : 3); + // int maxOffset = (maxYear <= 0 ? 0 : 3); + // long minDays = (long) (minYear * 365L + ((minYear + minOffset) / 4L - (minYear + minOffset) / 100L + (minYear + minOffset) / 400L)) - days_0000_to_1970; + // long maxDays = (long) (maxYear * 365L + ((maxYear + maxOffset) / 4L - (maxYear + maxOffset) / 100L + (maxYear + maxOffset) / 400L)) + 365L - days_0000_to_1970; + // + // OffsetDateTime expected = OffsetDateTime.dateTime(minYear, 1, 1, 0, 0, 0, 0, ZoneOffset.UTC); + // Date cutover = new Date(Long.MIN_VALUE); + // GregorianCalendar cal = new GregorianCalendar(TimeZone.getTimeZone("UTC")); + // cal.setGregorianChange(cutover); + // for (long i = minDays; i < maxDays; i++) { + // Instant instant = Instant.instant(i * 24L * 60L * 60L); + // try { + // cal.setTimeInMillis(instant.getEpochSecond() * 1000L); + // assertEquals(cal.get(GregorianCalendar.MONTH), expected.getMonth().getValue() - 1); + // assertEquals(cal.get(GregorianCalendar.DAY_OF_MONTH), expected.getDayOfMonth().getValue()); + // expected = expected.plusDays(1); + // } catch (RuntimeException ex) { + // System.out.println("Error: " + i + " " + expected); + // throw ex; + // } catch (Error ex) { + // System.out.println("Error: " + i + " " + expected); + // throw ex; + // } + // } + // } + + //----------------------------------------------------------------------- + public void test_toInstant_19700101() { + OffsetDateTime dt = OffsetDateTime.of(LocalDate.of(1970, 1, 1), LocalTime.of(0, 0, 0, 0), ZoneOffset.UTC); + Instant test = dt.toInstant(); + assertEquals(test.getEpochSecond(), 0); + assertEquals(test.getNano(), 0); + } + + public void test_toInstant_19700101_oneNano() { + OffsetDateTime dt = OffsetDateTime.of(LocalDate.of(1970, 1, 1), LocalTime.of(0, 0, 0, 1), ZoneOffset.UTC); + Instant test = dt.toInstant(); + assertEquals(test.getEpochSecond(), 0); + assertEquals(test.getNano(), 1); + } + + public void test_toInstant_19700101_minusOneNano() { + OffsetDateTime dt = OffsetDateTime.of(LocalDate.of(1969, 12, 31), LocalTime.of(23, 59, 59, 999999999), ZoneOffset.UTC); + Instant test = dt.toInstant(); + assertEquals(test.getEpochSecond(), -1); + assertEquals(test.getNano(), 999999999); + } + + public void test_toInstant_19700102() { + OffsetDateTime dt = OffsetDateTime.of(LocalDate.of(1970, 1, 2), LocalTime.of(0, 0, 0, 0), ZoneOffset.UTC); + Instant test = dt.toInstant(); + assertEquals(test.getEpochSecond(), 24L * 60L * 60L); + assertEquals(test.getNano(), 0); + } + + public void test_toInstant_19691231() { + OffsetDateTime dt = OffsetDateTime.of(LocalDate.of(1969, 12, 31), LocalTime.of(0, 0, 0, 0), ZoneOffset.UTC); + Instant test = dt.toInstant(); + assertEquals(test.getEpochSecond(), -24L * 60L * 60L); + assertEquals(test.getNano(), 0); + } + + //----------------------------------------------------------------------- + public void test_toEpochSecond_19700101() { + OffsetDateTime dt = OffsetDateTime.of(LocalDate.of(1970, 1, 1), LocalTime.of(0, 0, 0, 0), ZoneOffset.UTC); + assertEquals(dt.toEpochSecond(), 0); + } + + public void test_toEpochSecond_19700101_oneNano() { + OffsetDateTime dt = OffsetDateTime.of(LocalDate.of(1970, 1, 1), LocalTime.of( 0, 0, 0, 1), ZoneOffset.UTC); + assertEquals(dt.toEpochSecond(), 0); + } + + public void test_toEpochSecond_19700101_minusOneNano() { + OffsetDateTime dt = OffsetDateTime.of(LocalDate.of(1969, 12, 31), LocalTime.of(23, 59, 59, 999999999), ZoneOffset.UTC); + assertEquals(dt.toEpochSecond(), -1); + } + + public void test_toEpochSecond_19700102() { + OffsetDateTime dt = OffsetDateTime.of(LocalDate.of(1970, 1, 2), LocalTime.of(0, 0, 0, 0), ZoneOffset.UTC); + assertEquals(dt.toEpochSecond(), 24L * 60L * 60L); + } + + public void test_toEpochSecond_19691231() { + OffsetDateTime dt = OffsetDateTime.of(LocalDate.of(1969, 12, 31), LocalTime.of(0, 0, 0, 0), ZoneOffset.UTC); + assertEquals(dt.toEpochSecond(), -24L * 60L * 60L); + } + +}