test/jdk/java/time/test/java/time/temporal/TestChronoUnit.java - platform/libcore - Git at Google

 /*
  * 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.  Oracle designates this
  * particular file as subject to the "Classpath" exception as provided
  * by Oracle in the LICENSE file that accompanied this code.
  *
  * 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.
  */

 /*
  * Copyright (c) 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 static java.time.Month.AUGUST;
 import static java.time.Month.FEBRUARY;
 import static java.time.Month.JULY;
 import static java.time.Month.JUNE;
 import static java.time.Month.MARCH;
 import static java.time.Month.OCTOBER;
 import static java.time.Month.SEPTEMBER;
 import static java.time.temporal.ChronoUnit.DAYS;
 import static java.time.temporal.ChronoUnit.MONTHS;
 import static java.time.temporal.ChronoUnit.WEEKS;
 import static java.time.temporal.ChronoUnit.YEARS;
 import static org.testng.Assert.assertEquals;

 import java.time.LocalDate;
 import java.time.Month;
 import java.time.ZoneOffset;

 import org.testng.annotations.DataProvider;
 import org.testng.annotations.Test;

 /**
  * Test.
  */
 @Test
 public class TestChronoUnit {

     //-----------------------------------------------------------------------
     @DataProvider(name = "yearsBetween")
     Object[][] data_yearsBetween() {
         return new Object[][] {
             {date(1939, SEPTEMBER, 2), date(1939, SEPTEMBER, 1), 0},
             {date(1939, SEPTEMBER, 2), date(1939, SEPTEMBER, 2), 0},
             {date(1939, SEPTEMBER, 2), date(1939, SEPTEMBER, 3), 0},

             {date(1939, SEPTEMBER, 2), date(1940, SEPTEMBER, 1), 0},
             {date(1939, SEPTEMBER, 2), date(1940, SEPTEMBER, 2), 1},
             {date(1939, SEPTEMBER, 2), date(1940, SEPTEMBER, 3), 1},

             {date(1939, SEPTEMBER, 2), date(1938, SEPTEMBER, 1), -1},
             {date(1939, SEPTEMBER, 2), date(1938, SEPTEMBER, 2), -1},
             {date(1939, SEPTEMBER, 2), date(1938, SEPTEMBER, 3), 0},

             {date(1939, SEPTEMBER, 2), date(1945, SEPTEMBER, 3), 6},
             {date(1939, SEPTEMBER, 2), date(1945, OCTOBER, 3), 6},
             {date(1939, SEPTEMBER, 2), date(1945, AUGUST, 3), 5},
         };
     }

     @Test(dataProvider = "yearsBetween")
     public void test_yearsBetween(LocalDate start, LocalDate end, long expected) {
         assertEquals(YEARS.between(start, end), expected);
     }

     @Test(dataProvider = "yearsBetween")
     public void test_yearsBetweenReversed(LocalDate start, LocalDate end, long expected) {
         assertEquals(YEARS.between(end, start), -expected);
     }

     @Test(dataProvider = "yearsBetween")
     public void test_yearsBetween_LocalDateTimeSameTime(LocalDate start, LocalDate end, long expected) {
         assertEquals(YEARS.between(start.atTime(12, 30), end.atTime(12, 30)), expected);
     }

     @Test(dataProvider = "yearsBetween")
     public void test_yearsBetween_LocalDateTimeLaterTime(LocalDate start, LocalDate end, long expected) {
         if (expected >= 0) {
             assertEquals(YEARS.between(start.atTime(12, 30), end.atTime(12, 31)), expected);
         } else {
             assertEquals(YEARS.between(start.atTime(12, 30), end.atTime(12, 29)), expected);
         }
     }

     @Test(dataProvider = "yearsBetween")
     public void test_yearsBetween_ZonedDateSameOffset(LocalDate start, LocalDate end, long expected) {
         assertEquals(YEARS.between(start.atStartOfDay(ZoneOffset.ofHours(2)), end.atStartOfDay(ZoneOffset.ofHours(2))), expected);
     }

     @Test(dataProvider = "yearsBetween")
     public void test_yearsBetween_ZonedDateLaterOffset(LocalDate start, LocalDate end, long expected) {
         // +01:00 is later than +02:00
         if (expected >= 0) {
             assertEquals(YEARS.between(start.atStartOfDay(ZoneOffset.ofHours(2)), end.atStartOfDay(ZoneOffset.ofHours(1))), expected);
         } else {
             assertEquals(YEARS.between(start.atStartOfDay(ZoneOffset.ofHours(1)), end.atStartOfDay(ZoneOffset.ofHours(2))), expected);
         }
     }

     //-----------------------------------------------------------------------
     @DataProvider(name = "monthsBetween")
     Object[][] data_monthsBetween() {
         return new Object[][] {
             {date(2012, JULY, 2), date(2012, JULY, 1), 0},
             {date(2012, JULY, 2), date(2012, JULY, 2), 0},
             {date(2012, JULY, 2), date(2012, JULY, 3), 0},

             {date(2012, JULY, 2), date(2012, AUGUST, 1), 0},
             {date(2012, JULY, 2), date(2012, AUGUST, 2), 1},
             {date(2012, JULY, 2), date(2012, AUGUST, 3), 1},

             {date(2012, JULY, 2), date(2012, SEPTEMBER, 1), 1},
             {date(2012, JULY, 2), date(2012, SEPTEMBER, 2), 2},
             {date(2012, JULY, 2), date(2012, SEPTEMBER, 3), 2},

             {date(2012, JULY, 2), date(2012, JUNE, 1), -1},
             {date(2012, JULY, 2), date(2012, JUNE, 2), -1},
             {date(2012, JULY, 2), date(2012, JUNE, 3), 0},

             {date(2012, FEBRUARY, 27), date(2012, MARCH, 26), 0},
             {date(2012, FEBRUARY, 27), date(2012, MARCH, 27), 1},
             {date(2012, FEBRUARY, 27), date(2012, MARCH, 28), 1},

             {date(2012, FEBRUARY, 28), date(2012, MARCH, 27), 0},
             {date(2012, FEBRUARY, 28), date(2012, MARCH, 28), 1},
             {date(2012, FEBRUARY, 28), date(2012, MARCH, 29), 1},

             {date(2012, FEBRUARY, 29), date(2012, MARCH, 28), 0},
             {date(2012, FEBRUARY, 29), date(2012, MARCH, 29), 1},
             {date(2012, FEBRUARY, 29), date(2012, MARCH, 30), 1},
         };
     }

     @Test(dataProvider = "monthsBetween")
     public void test_monthsBetween(LocalDate start, LocalDate end, long expected) {
         assertEquals(MONTHS.between(start, end), expected);
     }

     @Test(dataProvider = "monthsBetween")
     public void test_monthsBetweenReversed(LocalDate start, LocalDate end, long expected) {
         assertEquals(MONTHS.between(end, start), -expected);
     }

     @Test(dataProvider = "monthsBetween")
     public void test_monthsBetween_LocalDateTimeSameTime(LocalDate start, LocalDate end, long expected) {
         assertEquals(MONTHS.between(start.atTime(12, 30), end.atTime(12, 30)), expected);
     }

     @Test(dataProvider = "monthsBetween")
     public void test_monthsBetween_LocalDateTimeLaterTime(LocalDate start, LocalDate end, long expected) {
         if (expected >= 0) {
             assertEquals(MONTHS.between(start.atTime(12, 30), end.atTime(12, 31)), expected);
         } else {
             assertEquals(MONTHS.between(start.atTime(12, 30), end.atTime(12, 29)), expected);
         }
     }

     @Test(dataProvider = "monthsBetween")
     public void test_monthsBetween_ZonedDateSameOffset(LocalDate start, LocalDate end, long expected) {
         assertEquals(MONTHS.between(start.atStartOfDay(ZoneOffset.ofHours(2)), end.atStartOfDay(ZoneOffset.ofHours(2))), expected);
     }

     @Test(dataProvider = "monthsBetween")
     public void test_monthsBetween_ZonedDateLaterOffset(LocalDate start, LocalDate end, long expected) {
         // +01:00 is later than +02:00
         if (expected >= 0) {
             assertEquals(MONTHS.between(start.atStartOfDay(ZoneOffset.ofHours(2)), end.atStartOfDay(ZoneOffset.ofHours(1))), expected);
         } else {
             assertEquals(MONTHS.between(start.atStartOfDay(ZoneOffset.ofHours(1)), end.atStartOfDay(ZoneOffset.ofHours(2))), expected);
         }
     }

     //-----------------------------------------------------------------------
     @DataProvider(name = "weeksBetween")
     Object[][] data_weeksBetween() {
         return new Object[][] {
             {date(2012, JULY, 2), date(2012, JUNE, 25), -1},
             {date(2012, JULY, 2), date(2012, JUNE, 26), 0},
             {date(2012, JULY, 2), date(2012, JULY, 2), 0},
             {date(2012, JULY, 2), date(2012, JULY, 8), 0},
             {date(2012, JULY, 2), date(2012, JULY, 9), 1},

             {date(2012, FEBRUARY, 28), date(2012, FEBRUARY, 21), -1},
             {date(2012, FEBRUARY, 28), date(2012, FEBRUARY, 22), 0},
             {date(2012, FEBRUARY, 28), date(2012, FEBRUARY, 28), 0},
             {date(2012, FEBRUARY, 28), date(2012, FEBRUARY, 29), 0},
             {date(2012, FEBRUARY, 28), date(2012, MARCH, 1), 0},
             {date(2012, FEBRUARY, 28), date(2012, MARCH, 5), 0},
             {date(2012, FEBRUARY, 28), date(2012, MARCH, 6), 1},

             {date(2012, FEBRUARY, 29), date(2012, FEBRUARY, 22), -1},
             {date(2012, FEBRUARY, 29), date(2012, FEBRUARY, 23), 0},
             {date(2012, FEBRUARY, 29), date(2012, FEBRUARY, 28), 0},
             {date(2012, FEBRUARY, 29), date(2012, FEBRUARY, 29), 0},
             {date(2012, FEBRUARY, 29), date(2012, MARCH, 1), 0},
             {date(2012, FEBRUARY, 29), date(2012, MARCH, 6), 0},
             {date(2012, FEBRUARY, 29), date(2012, MARCH, 7), 1},
         };
     }

     @Test(dataProvider = "weeksBetween")
     public void test_weeksBetween(LocalDate start, LocalDate end, long expected) {
         assertEquals(WEEKS.between(start, end), expected);
     }

     @Test(dataProvider = "weeksBetween")
     public void test_weeksBetweenReversed(LocalDate start, LocalDate end, long expected) {
         assertEquals(WEEKS.between(end, start), -expected);
     }

     //-----------------------------------------------------------------------
     @DataProvider(name = "daysBetween")
     Object[][] data_daysBetween() {
         return new Object[][] {
             {date(2012, JULY, 2), date(2012, JULY, 1), -1},
             {date(2012, JULY, 2), date(2012, JULY, 2), 0},
             {date(2012, JULY, 2), date(2012, JULY, 3), 1},

             {date(2012, FEBRUARY, 28), date(2012, FEBRUARY, 27), -1},
             {date(2012, FEBRUARY, 28), date(2012, FEBRUARY, 28), 0},
             {date(2012, FEBRUARY, 28), date(2012, FEBRUARY, 29), 1},
             {date(2012, FEBRUARY, 28), date(2012, MARCH, 1), 2},

             {date(2012, FEBRUARY, 29), date(2012, FEBRUARY, 27), -2},
             {date(2012, FEBRUARY, 29), date(2012, FEBRUARY, 28), -1},
             {date(2012, FEBRUARY, 29), date(2012, FEBRUARY, 29), 0},
             {date(2012, FEBRUARY, 29), date(2012, MARCH, 1), 1},

             {date(2012, MARCH, 1), date(2012, FEBRUARY, 27), -3},
             {date(2012, MARCH, 1), date(2012, FEBRUARY, 28), -2},
             {date(2012, MARCH, 1), date(2012, FEBRUARY, 29), -1},
             {date(2012, MARCH, 1), date(2012, MARCH, 1), 0},
             {date(2012, MARCH, 1), date(2012, MARCH, 2), 1},

             {date(2012, MARCH, 1), date(2013, FEBRUARY, 28), 364},
             {date(2012, MARCH, 1), date(2013, MARCH, 1), 365},

             {date(2011, MARCH, 1), date(2012, FEBRUARY, 28), 364},
             {date(2011, MARCH, 1), date(2012, FEBRUARY, 29), 365},
             {date(2011, MARCH, 1), date(2012, MARCH, 1), 366},
         };
     }

     @Test(dataProvider = "daysBetween")
     public void test_daysBetween(LocalDate start, LocalDate end, long expected) {
         assertEquals(DAYS.between(start, end), expected);
     }

     @Test(dataProvider = "daysBetween")
     public void test_daysBetweenReversed(LocalDate start, LocalDate end, long expected) {
         assertEquals(DAYS.between(end, start), -expected);
     }

     @Test(dataProvider = "daysBetween")
     public void test_daysBetween_LocalDateTimeSameTime(LocalDate start, LocalDate end, long expected) {
         assertEquals(DAYS.between(start.atTime(12, 30), end.atTime(12, 30)), expected);
     }

     @Test(dataProvider = "daysBetween")
     public void test_daysBetween_LocalDateTimeLaterTime(LocalDate start, LocalDate end, long expected) {
         if (expected >= 0) {
             assertEquals(DAYS.between(start.atTime(12, 30), end.atTime(12, 31)), expected);
         } else {
             assertEquals(DAYS.between(start.atTime(12, 30), end.atTime(12, 29)), expected);
         }
     }

     @Test(dataProvider = "daysBetween")
     public void test_daysBetween_ZonedDateSameOffset(LocalDate start, LocalDate end, long expected) {
         assertEquals(DAYS.between(start.atStartOfDay(ZoneOffset.ofHours(2)), end.atStartOfDay(ZoneOffset.ofHours(2))), expected);
     }

     @Test(dataProvider = "daysBetween")
     public void test_daysBetween_ZonedDateLaterOffset(LocalDate start, LocalDate end, long expected) {
         // +01:00 is later than +02:00
         if (expected >= 0) {
             assertEquals(DAYS.between(start.atStartOfDay(ZoneOffset.ofHours(2)), end.atStartOfDay(ZoneOffset.ofHours(1))), expected);
         } else {
             assertEquals(DAYS.between(start.atStartOfDay(ZoneOffset.ofHours(1)), end.atStartOfDay(ZoneOffset.ofHours(2))), expected);
         }
     }

     //-----------------------------------------------------------------------
     private static LocalDate date(int year, Month month, int dom) {
         return LocalDate.of(year, month, dom);
     }

 }
	/*
	* 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. Oracle designates this
	* particular file as subject to the "Classpath" exception as provided
	* by Oracle in the LICENSE file that accompanied this code.
	*
	* 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.
	*/

	/*
	* Copyright (c) 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 static java.time.Month.AUGUST;
	import static java.time.Month.FEBRUARY;
	import static java.time.Month.JULY;
	import static java.time.Month.JUNE;
	import static java.time.Month.MARCH;
	import static java.time.Month.OCTOBER;
	import static java.time.Month.SEPTEMBER;
	import static java.time.temporal.ChronoUnit.DAYS;
	import static java.time.temporal.ChronoUnit.MONTHS;
	import static java.time.temporal.ChronoUnit.WEEKS;
	import static java.time.temporal.ChronoUnit.YEARS;
	import static org.testng.Assert.assertEquals;

	import java.time.LocalDate;
	import java.time.Month;
	import java.time.ZoneOffset;

	import org.testng.annotations.DataProvider;
	import org.testng.annotations.Test;

	/**
	* Test.
	*/
	@Test
	public class TestChronoUnit {

	//-----------------------------------------------------------------------
	@DataProvider(name = "yearsBetween")
	Object[][] data_yearsBetween() {
	return new Object[][] {
	{date(1939, SEPTEMBER, 2), date(1939, SEPTEMBER, 1), 0},
	{date(1939, SEPTEMBER, 2), date(1939, SEPTEMBER, 2), 0},
	{date(1939, SEPTEMBER, 2), date(1939, SEPTEMBER, 3), 0},

	{date(1939, SEPTEMBER, 2), date(1940, SEPTEMBER, 1), 0},
	{date(1939, SEPTEMBER, 2), date(1940, SEPTEMBER, 2), 1},
	{date(1939, SEPTEMBER, 2), date(1940, SEPTEMBER, 3), 1},

	{date(1939, SEPTEMBER, 2), date(1938, SEPTEMBER, 1), -1},
	{date(1939, SEPTEMBER, 2), date(1938, SEPTEMBER, 2), -1},
	{date(1939, SEPTEMBER, 2), date(1938, SEPTEMBER, 3), 0},

	{date(1939, SEPTEMBER, 2), date(1945, SEPTEMBER, 3), 6},
	{date(1939, SEPTEMBER, 2), date(1945, OCTOBER, 3), 6},
	{date(1939, SEPTEMBER, 2), date(1945, AUGUST, 3), 5},
	};
	}

	@Test(dataProvider = "yearsBetween")
	public void test_yearsBetween(LocalDate start, LocalDate end, long expected) {
	assertEquals(YEARS.between(start, end), expected);
	}

	@Test(dataProvider = "yearsBetween")
	public void test_yearsBetweenReversed(LocalDate start, LocalDate end, long expected) {
	assertEquals(YEARS.between(end, start), -expected);
	}

	@Test(dataProvider = "yearsBetween")
	public void test_yearsBetween_LocalDateTimeSameTime(LocalDate start, LocalDate end, long expected) {
	assertEquals(YEARS.between(start.atTime(12, 30), end.atTime(12, 30)), expected);
	}

	@Test(dataProvider = "yearsBetween")
	public void test_yearsBetween_LocalDateTimeLaterTime(LocalDate start, LocalDate end, long expected) {
	if (expected >= 0) {
	assertEquals(YEARS.between(start.atTime(12, 30), end.atTime(12, 31)), expected);
	} else {
	assertEquals(YEARS.between(start.atTime(12, 30), end.atTime(12, 29)), expected);
	}
	}

	@Test(dataProvider = "yearsBetween")
	public void test_yearsBetween_ZonedDateSameOffset(LocalDate start, LocalDate end, long expected) {
	assertEquals(YEARS.between(start.atStartOfDay(ZoneOffset.ofHours(2)), end.atStartOfDay(ZoneOffset.ofHours(2))), expected);
	}

	@Test(dataProvider = "yearsBetween")
	public void test_yearsBetween_ZonedDateLaterOffset(LocalDate start, LocalDate end, long expected) {
	// +01:00 is later than +02:00
	if (expected >= 0) {
	assertEquals(YEARS.between(start.atStartOfDay(ZoneOffset.ofHours(2)), end.atStartOfDay(ZoneOffset.ofHours(1))), expected);
	} else {
	assertEquals(YEARS.between(start.atStartOfDay(ZoneOffset.ofHours(1)), end.atStartOfDay(ZoneOffset.ofHours(2))), expected);
	}
	}

	//-----------------------------------------------------------------------
	@DataProvider(name = "monthsBetween")
	Object[][] data_monthsBetween() {
	return new Object[][] {
	{date(2012, JULY, 2), date(2012, JULY, 1), 0},
	{date(2012, JULY, 2), date(2012, JULY, 2), 0},
	{date(2012, JULY, 2), date(2012, JULY, 3), 0},

	{date(2012, JULY, 2), date(2012, AUGUST, 1), 0},
	{date(2012, JULY, 2), date(2012, AUGUST, 2), 1},
	{date(2012, JULY, 2), date(2012, AUGUST, 3), 1},

	{date(2012, JULY, 2), date(2012, SEPTEMBER, 1), 1},
	{date(2012, JULY, 2), date(2012, SEPTEMBER, 2), 2},
	{date(2012, JULY, 2), date(2012, SEPTEMBER, 3), 2},

	{date(2012, JULY, 2), date(2012, JUNE, 1), -1},
	{date(2012, JULY, 2), date(2012, JUNE, 2), -1},
	{date(2012, JULY, 2), date(2012, JUNE, 3), 0},

	{date(2012, FEBRUARY, 27), date(2012, MARCH, 26), 0},
	{date(2012, FEBRUARY, 27), date(2012, MARCH, 27), 1},
	{date(2012, FEBRUARY, 27), date(2012, MARCH, 28), 1},

	{date(2012, FEBRUARY, 28), date(2012, MARCH, 27), 0},
	{date(2012, FEBRUARY, 28), date(2012, MARCH, 28), 1},
	{date(2012, FEBRUARY, 28), date(2012, MARCH, 29), 1},

	{date(2012, FEBRUARY, 29), date(2012, MARCH, 28), 0},
	{date(2012, FEBRUARY, 29), date(2012, MARCH, 29), 1},
	{date(2012, FEBRUARY, 29), date(2012, MARCH, 30), 1},
	};
	}

	@Test(dataProvider = "monthsBetween")
	public void test_monthsBetween(LocalDate start, LocalDate end, long expected) {
	assertEquals(MONTHS.between(start, end), expected);
	}

	@Test(dataProvider = "monthsBetween")
	public void test_monthsBetweenReversed(LocalDate start, LocalDate end, long expected) {
	assertEquals(MONTHS.between(end, start), -expected);
	}

	@Test(dataProvider = "monthsBetween")
	public void test_monthsBetween_LocalDateTimeSameTime(LocalDate start, LocalDate end, long expected) {
	assertEquals(MONTHS.between(start.atTime(12, 30), end.atTime(12, 30)), expected);
	}

	@Test(dataProvider = "monthsBetween")
	public void test_monthsBetween_LocalDateTimeLaterTime(LocalDate start, LocalDate end, long expected) {
	if (expected >= 0) {
	assertEquals(MONTHS.between(start.atTime(12, 30), end.atTime(12, 31)), expected);
	} else {
	assertEquals(MONTHS.between(start.atTime(12, 30), end.atTime(12, 29)), expected);
	}
	}

	@Test(dataProvider = "monthsBetween")
	public void test_monthsBetween_ZonedDateSameOffset(LocalDate start, LocalDate end, long expected) {
	assertEquals(MONTHS.between(start.atStartOfDay(ZoneOffset.ofHours(2)), end.atStartOfDay(ZoneOffset.ofHours(2))), expected);
	}

	@Test(dataProvider = "monthsBetween")
	public void test_monthsBetween_ZonedDateLaterOffset(LocalDate start, LocalDate end, long expected) {
	// +01:00 is later than +02:00
	if (expected >= 0) {
	assertEquals(MONTHS.between(start.atStartOfDay(ZoneOffset.ofHours(2)), end.atStartOfDay(ZoneOffset.ofHours(1))), expected);
	} else {
	assertEquals(MONTHS.between(start.atStartOfDay(ZoneOffset.ofHours(1)), end.atStartOfDay(ZoneOffset.ofHours(2))), expected);
	}
	}

	//-----------------------------------------------------------------------
	@DataProvider(name = "weeksBetween")
	Object[][] data_weeksBetween() {
	return new Object[][] {
	{date(2012, JULY, 2), date(2012, JUNE, 25), -1},
	{date(2012, JULY, 2), date(2012, JUNE, 26), 0},
	{date(2012, JULY, 2), date(2012, JULY, 2), 0},
	{date(2012, JULY, 2), date(2012, JULY, 8), 0},
	{date(2012, JULY, 2), date(2012, JULY, 9), 1},

	{date(2012, FEBRUARY, 28), date(2012, FEBRUARY, 21), -1},
	{date(2012, FEBRUARY, 28), date(2012, FEBRUARY, 22), 0},
	{date(2012, FEBRUARY, 28), date(2012, FEBRUARY, 28), 0},
	{date(2012, FEBRUARY, 28), date(2012, FEBRUARY, 29), 0},
	{date(2012, FEBRUARY, 28), date(2012, MARCH, 1), 0},
	{date(2012, FEBRUARY, 28), date(2012, MARCH, 5), 0},
	{date(2012, FEBRUARY, 28), date(2012, MARCH, 6), 1},

	{date(2012, FEBRUARY, 29), date(2012, FEBRUARY, 22), -1},
	{date(2012, FEBRUARY, 29), date(2012, FEBRUARY, 23), 0},
	{date(2012, FEBRUARY, 29), date(2012, FEBRUARY, 28), 0},
	{date(2012, FEBRUARY, 29), date(2012, FEBRUARY, 29), 0},
	{date(2012, FEBRUARY, 29), date(2012, MARCH, 1), 0},
	{date(2012, FEBRUARY, 29), date(2012, MARCH, 6), 0},
	{date(2012, FEBRUARY, 29), date(2012, MARCH, 7), 1},
	};
	}

	@Test(dataProvider = "weeksBetween")
	public void test_weeksBetween(LocalDate start, LocalDate end, long expected) {
	assertEquals(WEEKS.between(start, end), expected);
	}

	@Test(dataProvider = "weeksBetween")
	public void test_weeksBetweenReversed(LocalDate start, LocalDate end, long expected) {
	assertEquals(WEEKS.between(end, start), -expected);
	}

	//-----------------------------------------------------------------------
	@DataProvider(name = "daysBetween")
	Object[][] data_daysBetween() {
	return new Object[][] {
	{date(2012, JULY, 2), date(2012, JULY, 1), -1},
	{date(2012, JULY, 2), date(2012, JULY, 2), 0},
	{date(2012, JULY, 2), date(2012, JULY, 3), 1},

	{date(2012, FEBRUARY, 28), date(2012, FEBRUARY, 27), -1},
	{date(2012, FEBRUARY, 28), date(2012, FEBRUARY, 28), 0},
	{date(2012, FEBRUARY, 28), date(2012, FEBRUARY, 29), 1},
	{date(2012, FEBRUARY, 28), date(2012, MARCH, 1), 2},

	{date(2012, FEBRUARY, 29), date(2012, FEBRUARY, 27), -2},
	{date(2012, FEBRUARY, 29), date(2012, FEBRUARY, 28), -1},
	{date(2012, FEBRUARY, 29), date(2012, FEBRUARY, 29), 0},
	{date(2012, FEBRUARY, 29), date(2012, MARCH, 1), 1},

	{date(2012, MARCH, 1), date(2012, FEBRUARY, 27), -3},
	{date(2012, MARCH, 1), date(2012, FEBRUARY, 28), -2},
	{date(2012, MARCH, 1), date(2012, FEBRUARY, 29), -1},
	{date(2012, MARCH, 1), date(2012, MARCH, 1), 0},
	{date(2012, MARCH, 1), date(2012, MARCH, 2), 1},

	{date(2012, MARCH, 1), date(2013, FEBRUARY, 28), 364},
	{date(2012, MARCH, 1), date(2013, MARCH, 1), 365},

	{date(2011, MARCH, 1), date(2012, FEBRUARY, 28), 364},
	{date(2011, MARCH, 1), date(2012, FEBRUARY, 29), 365},
	{date(2011, MARCH, 1), date(2012, MARCH, 1), 366},
	};
	}

	@Test(dataProvider = "daysBetween")
	public void test_daysBetween(LocalDate start, LocalDate end, long expected) {
	assertEquals(DAYS.between(start, end), expected);
	}

	@Test(dataProvider = "daysBetween")
	public void test_daysBetweenReversed(LocalDate start, LocalDate end, long expected) {
	assertEquals(DAYS.between(end, start), -expected);
	}

	@Test(dataProvider = "daysBetween")
	public void test_daysBetween_LocalDateTimeSameTime(LocalDate start, LocalDate end, long expected) {
	assertEquals(DAYS.between(start.atTime(12, 30), end.atTime(12, 30)), expected);
	}

	@Test(dataProvider = "daysBetween")
	public void test_daysBetween_LocalDateTimeLaterTime(LocalDate start, LocalDate end, long expected) {
	if (expected >= 0) {
	assertEquals(DAYS.between(start.atTime(12, 30), end.atTime(12, 31)), expected);
	} else {
	assertEquals(DAYS.between(start.atTime(12, 30), end.atTime(12, 29)), expected);
	}
	}

	@Test(dataProvider = "daysBetween")
	public void test_daysBetween_ZonedDateSameOffset(LocalDate start, LocalDate end, long expected) {
	assertEquals(DAYS.between(start.atStartOfDay(ZoneOffset.ofHours(2)), end.atStartOfDay(ZoneOffset.ofHours(2))), expected);
	}

	@Test(dataProvider = "daysBetween")
	public void test_daysBetween_ZonedDateLaterOffset(LocalDate start, LocalDate end, long expected) {
	// +01:00 is later than +02:00
	if (expected >= 0) {
	assertEquals(DAYS.between(start.atStartOfDay(ZoneOffset.ofHours(2)), end.atStartOfDay(ZoneOffset.ofHours(1))), expected);
	} else {
	assertEquals(DAYS.between(start.atStartOfDay(ZoneOffset.ofHours(1)), end.atStartOfDay(ZoneOffset.ofHours(2))), expected);
	}
	}

	//-----------------------------------------------------------------------
	private static LocalDate date(int year, Month month, int dom) {
	return LocalDate.of(year, month, dom);
	}

	}