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/*
* Copyright (c) 2008-2012, Stephen Colebourne & Michael Nascimento Santos
*
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* modification, are permitted provided that the following conditions are met:
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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;
}
}