test/jdk/java/time/test/java/time/chrono/TestChronoLocalDate.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) 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.chrono;

 import static org.testng.Assert.assertEquals;
 import static org.testng.Assert.assertTrue;

 import java.time.LocalDate;
 import java.time.LocalDateTime;
 import java.time.chrono.ChronoLocalDate;
 import java.time.chrono.ChronoLocalDateTime;
 import java.time.chrono.Chronology;
 import java.time.chrono.ThaiBuddhistChronology;
 import java.time.chrono.ThaiBuddhistDate;
 import java.time.temporal.ChronoUnit;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;

 import org.testng.annotations.Test;

 /**
  * Test chrono local date.
  */
 @Test
 public class TestChronoLocalDate {
     // this class primarily tests whether the generics work OK

     //-----------------------------------------------------------------------
     public void test_date_comparator_checkGenerics_ISO() {
         List<ChronoLocalDate> dates = new ArrayList<>();
         ChronoLocalDate date = LocalDate.of(2013, 1, 1);

         // Insert dates in order, no duplicates
         dates.add(date.minus(10, ChronoUnit.YEARS));
         dates.add(date.minus(1, ChronoUnit.YEARS));
         dates.add(date.minus(1, ChronoUnit.MONTHS));
         dates.add(date.minus(1, ChronoUnit.WEEKS));
         dates.add(date.minus(1, ChronoUnit.DAYS));
         dates.add(date);
         dates.add(date.plus(1, ChronoUnit.DAYS));
         dates.add(date.plus(1, ChronoUnit.WEEKS));
         dates.add(date.plus(1, ChronoUnit.MONTHS));
         dates.add(date.plus(1, ChronoUnit.YEARS));
         dates.add(date.plus(10, ChronoUnit.YEARS));

         List<ChronoLocalDate> copy = new ArrayList<>(dates);
         Collections.shuffle(copy);
         Collections.sort(copy, ChronoLocalDate.timeLineOrder());
         assertEquals(copy, dates);
         assertTrue(ChronoLocalDate.timeLineOrder().compare(copy.get(0), copy.get(1)) < 0);
     }

     public void test_date_comparator_checkGenerics_LocalDate() {
         List<LocalDate> dates = new ArrayList<>();
         LocalDate date = LocalDate.of(2013, 1, 1);

         // Insert dates in order, no duplicates
         dates.add(date.minus(10, ChronoUnit.YEARS));
         dates.add(date.minus(1, ChronoUnit.YEARS));
         dates.add(date.minus(1, ChronoUnit.MONTHS));
         dates.add(date.minus(1, ChronoUnit.WEEKS));
         dates.add(date.minus(1, ChronoUnit.DAYS));
         dates.add(date);
         dates.add(date.plus(1, ChronoUnit.DAYS));
         dates.add(date.plus(1, ChronoUnit.WEEKS));
         dates.add(date.plus(1, ChronoUnit.MONTHS));
         dates.add(date.plus(1, ChronoUnit.YEARS));
         dates.add(date.plus(10, ChronoUnit.YEARS));

         List<LocalDate> copy = new ArrayList<>(dates);
         Collections.shuffle(copy);
         Collections.sort(copy, ChronoLocalDate.timeLineOrder());
         assertEquals(copy, dates);
         assertTrue(ChronoLocalDate.timeLineOrder().compare(copy.get(0), copy.get(1)) < 0);
     }

     //-----------------------------------------------------------------------
     public void test_date_checkGenerics_genericsMethod() {
         Chronology chrono = ThaiBuddhistChronology.INSTANCE;
         ChronoLocalDate date = chrono.dateNow();
         date = processOK(date);
         date = processClassOK(ThaiBuddhistDate.class);
         date = dateSupplier();

         date = processClassWeird(ThaiBuddhistDate.class);
     }

     public void test_date_checkGenerics_genericsMethod_concreteType() {
         ThaiBuddhistChronology chrono = ThaiBuddhistChronology.INSTANCE;
         ThaiBuddhistDate date = chrono.dateNow();
         date = ThaiBuddhistDate.now();
         date = processOK(date);
         date = processClassOK(ThaiBuddhistDate.class);
         date = dateSupplier();

         // date = processClassWeird(ThaiBuddhistDate.class);  // does not compile (correct)
     }

     public <D extends ChronoLocalDate> void test_date_checkGenerics_genericsMethod_withType() {
         Chronology chrono = ThaiBuddhistChronology.INSTANCE;
         @SuppressWarnings("unchecked")
         D date = (D) chrono.dateNow();
         date = processOK(date);
         // date = processClassOK(ThaiBuddhistDate.class);  // does not compile (correct)
         date = dateSupplier();

         // date = processWeird(date);  // does not compile (correct)
         // date = processClassWeird(ThaiBuddhistDate.class);  // does not compile (correct)
     }

     @SuppressWarnings("unchecked")
     private <D extends ChronoLocalDate> D dateSupplier() {
         return (D) ThaiBuddhistChronology.INSTANCE.dateNow();
     }

     // decent generics signatures that need to work
     @SuppressWarnings("unchecked")
     private <D extends ChronoLocalDate> D processOK(D date) {
         return (D) date.plus(1, ChronoUnit.DAYS);
     }
     private <D extends ChronoLocalDate> D processClassOK(Class<D> cls) {
         return null;
     }

     // weird generics signatures that shouldn't really work
     private <D extends ChronoLocalDate> ChronoLocalDate processClassWeird(Class<D> cls) {
         return null;
     }

     public void test_date_checkGenerics_chronoLocalDateTime1() {
         LocalDateTime now = LocalDateTime.now();
         Chronology chrono = ThaiBuddhistChronology.INSTANCE;
         ChronoLocalDateTime<?> ldt = chrono.localDateTime(now);
         ldt = processCLDT(ldt);
     }

     public void test_date_checkGenerics_chronoLocalDateTime2() {
         LocalDateTime now = LocalDateTime.now();
         Chronology chrono = ThaiBuddhistChronology.INSTANCE;
         ChronoLocalDateTime<? extends ChronoLocalDate> ldt = chrono.localDateTime(now);
         ldt = processCLDT(ldt);
     }

     private <D extends ChronoLocalDate> ChronoLocalDateTime<D> processCLDT(ChronoLocalDateTime<D> dt) {
         return dt;
     }
 }
	/*
	* 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) 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.chrono;

	import static org.testng.Assert.assertEquals;
	import static org.testng.Assert.assertTrue;

	import java.time.LocalDate;
	import java.time.LocalDateTime;
	import java.time.chrono.ChronoLocalDate;
	import java.time.chrono.ChronoLocalDateTime;
	import java.time.chrono.Chronology;
	import java.time.chrono.ThaiBuddhistChronology;
	import java.time.chrono.ThaiBuddhistDate;
	import java.time.temporal.ChronoUnit;
	import java.util.ArrayList;
	import java.util.Collections;
	import java.util.List;

	import org.testng.annotations.Test;

	/**
	* Test chrono local date.
	*/
	@Test
	public class TestChronoLocalDate {
	// this class primarily tests whether the generics work OK

	//-----------------------------------------------------------------------
	public void test_date_comparator_checkGenerics_ISO() {
	List<ChronoLocalDate> dates = new ArrayList<>();
	ChronoLocalDate date = LocalDate.of(2013, 1, 1);

	// Insert dates in order, no duplicates
	dates.add(date.minus(10, ChronoUnit.YEARS));
	dates.add(date.minus(1, ChronoUnit.YEARS));
	dates.add(date.minus(1, ChronoUnit.MONTHS));
	dates.add(date.minus(1, ChronoUnit.WEEKS));
	dates.add(date.minus(1, ChronoUnit.DAYS));
	dates.add(date);
	dates.add(date.plus(1, ChronoUnit.DAYS));
	dates.add(date.plus(1, ChronoUnit.WEEKS));
	dates.add(date.plus(1, ChronoUnit.MONTHS));
	dates.add(date.plus(1, ChronoUnit.YEARS));
	dates.add(date.plus(10, ChronoUnit.YEARS));

	List<ChronoLocalDate> copy = new ArrayList<>(dates);
	Collections.shuffle(copy);
	Collections.sort(copy, ChronoLocalDate.timeLineOrder());
	assertEquals(copy, dates);
	assertTrue(ChronoLocalDate.timeLineOrder().compare(copy.get(0), copy.get(1)) < 0);
	}

	public void test_date_comparator_checkGenerics_LocalDate() {
	List<LocalDate> dates = new ArrayList<>();
	LocalDate date = LocalDate.of(2013, 1, 1);

	// Insert dates in order, no duplicates
	dates.add(date.minus(10, ChronoUnit.YEARS));
	dates.add(date.minus(1, ChronoUnit.YEARS));
	dates.add(date.minus(1, ChronoUnit.MONTHS));
	dates.add(date.minus(1, ChronoUnit.WEEKS));
	dates.add(date.minus(1, ChronoUnit.DAYS));
	dates.add(date);
	dates.add(date.plus(1, ChronoUnit.DAYS));
	dates.add(date.plus(1, ChronoUnit.WEEKS));
	dates.add(date.plus(1, ChronoUnit.MONTHS));
	dates.add(date.plus(1, ChronoUnit.YEARS));
	dates.add(date.plus(10, ChronoUnit.YEARS));

	List<LocalDate> copy = new ArrayList<>(dates);
	Collections.shuffle(copy);
	Collections.sort(copy, ChronoLocalDate.timeLineOrder());
	assertEquals(copy, dates);
	assertTrue(ChronoLocalDate.timeLineOrder().compare(copy.get(0), copy.get(1)) < 0);
	}

	//-----------------------------------------------------------------------
	public void test_date_checkGenerics_genericsMethod() {
	Chronology chrono = ThaiBuddhistChronology.INSTANCE;
	ChronoLocalDate date = chrono.dateNow();
	date = processOK(date);
	date = processClassOK(ThaiBuddhistDate.class);
	date = dateSupplier();

	date = processClassWeird(ThaiBuddhistDate.class);
	}

	public void test_date_checkGenerics_genericsMethod_concreteType() {
	ThaiBuddhistChronology chrono = ThaiBuddhistChronology.INSTANCE;
	ThaiBuddhistDate date = chrono.dateNow();
	date = ThaiBuddhistDate.now();
	date = processOK(date);
	date = processClassOK(ThaiBuddhistDate.class);
	date = dateSupplier();

	// date = processClassWeird(ThaiBuddhistDate.class); // does not compile (correct)
	}

	public <D extends ChronoLocalDate> void test_date_checkGenerics_genericsMethod_withType() {
	Chronology chrono = ThaiBuddhistChronology.INSTANCE;
	@SuppressWarnings("unchecked")
	D date = (D) chrono.dateNow();
	date = processOK(date);
	// date = processClassOK(ThaiBuddhistDate.class); // does not compile (correct)
	date = dateSupplier();

	// date = processWeird(date); // does not compile (correct)
	// date = processClassWeird(ThaiBuddhistDate.class); // does not compile (correct)
	}

	@SuppressWarnings("unchecked")
	private <D extends ChronoLocalDate> D dateSupplier() {
	return (D) ThaiBuddhistChronology.INSTANCE.dateNow();
	}

	// decent generics signatures that need to work
	@SuppressWarnings("unchecked")
	private <D extends ChronoLocalDate> D processOK(D date) {
	return (D) date.plus(1, ChronoUnit.DAYS);
	}
	private <D extends ChronoLocalDate> D processClassOK(Class<D> cls) {
	return null;
	}

	// weird generics signatures that shouldn't really work
	private <D extends ChronoLocalDate> ChronoLocalDate processClassWeird(Class<D> cls) {
	return null;
	}

	public void test_date_checkGenerics_chronoLocalDateTime1() {
	LocalDateTime now = LocalDateTime.now();
	Chronology chrono = ThaiBuddhistChronology.INSTANCE;
	ChronoLocalDateTime<?> ldt = chrono.localDateTime(now);
	ldt = processCLDT(ldt);
	}

	public void test_date_checkGenerics_chronoLocalDateTime2() {
	LocalDateTime now = LocalDateTime.now();
	Chronology chrono = ThaiBuddhistChronology.INSTANCE;
	ChronoLocalDateTime<? extends ChronoLocalDate> ldt = chrono.localDateTime(now);
	ldt = processCLDT(ldt);
	}

	private <D extends ChronoLocalDate> ChronoLocalDateTime<D> processCLDT(ChronoLocalDateTime<D> dt) {
	return dt;
	}
	}