--- /dev/null 2013-02-25 15:01:43.885878341 -0800 +++ new/test/java/time/test/java/time/chrono/TestChronoLocalDate.java 2013-04-11 23:18:56.000000000 -0700 @@ -0,0 +1,233 @@ +/* + * 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.chrono.ChronoLocalDate; +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> 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> 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_unknown() { + List> 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> 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_unknownExtends() { + List> dates = new ArrayList<>(); + ChronoLocalDate date = (ChronoLocalDate) LocalDate.of(2013, 1, 1); // TODO generics raw type + + // 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> 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 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 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); // does not compile + date = processClassOK(ThaiBuddhistDate.class); + date = dateSupplier(); + + // date = processWeird(date); // does not compile (correct) + // date = processClassWeird(ThaiBuddhistDate.class); // does not compile (correct) + } + + 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 = processWeird(date); // does not compile (correct) + // date = processClassWeird(ThaiBuddhistDate.class); // does not compile (correct) + } + + public > void test_date_checkGenerics_genericsMethod_withType() { + Chronology chrono = ThaiBuddhistChronology.INSTANCE; + 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) + } + + private > D dateSupplier() { + return (D) (ChronoLocalDate) ThaiBuddhistChronology.INSTANCE.dateNow(); // TODO raw types + } + + // decent generics signatures that need to work + private > D processOK(D date) { + return date; + } + private > D processClassOK(Class cls) { + return null; + } + + // weird generics signatures that shouldn't really work + private > ChronoLocalDate processWeird(ChronoLocalDate date) { + return date; + } + private > ChronoLocalDate processClassWeird(Class cls) { + return null; + } + +}