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* Copyright 2001-2005 Stephen Colebourne
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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package org.joda.time.convert;
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import java.lang.reflect.Constructor;
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import java.lang.reflect.Field;
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import java.lang.reflect.Modifier;
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import java.util.Arrays;
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import java.util.Locale;
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import java.util.TimeZone;
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import junit.framework.TestCase;
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import junit.framework.TestSuite;
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import org.joda.time.Chronology;
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import org.joda.time.DateTimeConstants;
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import org.joda.time.DateTimeUtils;
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import org.joda.time.DateTimeZone;
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import org.joda.time.MutableInterval;
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import org.joda.time.MutablePeriod;
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import org.joda.time.PeriodType;
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import org.joda.time.TimeOfDay;
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import org.joda.time.chrono.CopticChronology;
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import org.joda.time.chrono.GJChronology;
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import org.joda.time.chrono.ISOChronology;
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import org.joda.time.chrono.JulianChronology;
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* This class is a Junit unit test for NullConverter.
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* @author Stephen Colebourne
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public class TestNullConverter extends TestCase {
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private long TEST_TIME_NOW =
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20 * DateTimeConstants.MILLIS_PER_DAY
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+ 10L * DateTimeConstants.MILLIS_PER_HOUR
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+ 20L * DateTimeConstants.MILLIS_PER_MINUTE
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+ 30L * DateTimeConstants.MILLIS_PER_SECOND
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private static final DateTimeZone UTC = DateTimeZone.UTC;
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private static final DateTimeZone PARIS = DateTimeZone.forID("Europe/Paris");
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private static final Chronology ISO_PARIS = ISOChronology.getInstance(PARIS);
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private static Chronology ISO;
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private static Chronology JULIAN;
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private DateTimeZone zone = null;
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private DateTimeZone originalDateTimeZone = null;
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private TimeZone originalTimeZone = null;
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private Locale originalLocale = null;
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public static void main(String[] args) {
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junit.textui.TestRunner.run(suite());
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public static TestSuite suite() {
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return new TestSuite(TestNullConverter.class);
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public TestNullConverter(String name) {
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protected void setUp() throws Exception {
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DateTimeUtils.setCurrentMillisFixed(TEST_TIME_NOW);
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originalDateTimeZone = DateTimeZone.getDefault();
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originalTimeZone = TimeZone.getDefault();
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originalLocale = Locale.getDefault();
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DateTimeZone.setDefault(DateTimeZone.forID("Europe/London"));
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TimeZone.setDefault(TimeZone.getTimeZone("Europe/London"));
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Locale.setDefault(Locale.UK);
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ISO = ISOChronology.getInstance();
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JULIAN = JulianChronology.getInstance();
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protected void tearDown() throws Exception {
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DateTimeUtils.setCurrentMillisSystem();
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DateTimeZone.setDefault(originalDateTimeZone);
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TimeZone.setDefault(originalTimeZone);
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Locale.setDefault(originalLocale);
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originalDateTimeZone = null;
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originalTimeZone = null;
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originalLocale = null;
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//-----------------------------------------------------------------------
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public void testSingleton() throws Exception {
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Class cls = NullConverter.class;
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assertEquals(false, Modifier.isPublic(cls.getModifiers()));
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assertEquals(false, Modifier.isProtected(cls.getModifiers()));
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assertEquals(false, Modifier.isPrivate(cls.getModifiers()));
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Constructor con = cls.getDeclaredConstructor((Class[]) null);
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assertEquals(1, cls.getDeclaredConstructors().length);
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assertEquals(true, Modifier.isProtected(con.getModifiers()));
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Field fld = cls.getDeclaredField("INSTANCE");
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assertEquals(false, Modifier.isPublic(fld.getModifiers()));
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assertEquals(false, Modifier.isProtected(fld.getModifiers()));
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assertEquals(false, Modifier.isPrivate(fld.getModifiers()));
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//-----------------------------------------------------------------------
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public void testSupportedType() throws Exception {
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assertEquals(null, NullConverter.INSTANCE.getSupportedType());
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//-----------------------------------------------------------------------
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public void testGetInstantMillis_Object_Chronology() throws Exception {
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assertEquals(TEST_TIME_NOW, NullConverter.INSTANCE.getInstantMillis(null, JULIAN));
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assertEquals(TEST_TIME_NOW, NullConverter.INSTANCE.getInstantMillis(null, (Chronology) null));
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//-----------------------------------------------------------------------
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public void testGetChronology_Object_Zone() throws Exception {
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assertEquals(ISO_PARIS, NullConverter.INSTANCE.getChronology(null, PARIS));
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assertEquals(ISO, NullConverter.INSTANCE.getChronology(null, (DateTimeZone) null));
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public void testGetChronology_Object_Chronology() throws Exception {
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assertEquals(JULIAN, NullConverter.INSTANCE.getChronology(null, JULIAN));
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assertEquals(ISO, NullConverter.INSTANCE.getChronology(null, (Chronology) null));
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//-----------------------------------------------------------------------
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public void testGetPartialValues() throws Exception {
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TimeOfDay tod = new TimeOfDay();
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int[] expected = new int[] {10 + 1, 20, 30, 40}; // now
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int[] actual = NullConverter.INSTANCE.getPartialValues(tod, null, ISOChronology.getInstance());
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assertEquals(true, Arrays.equals(expected, actual));
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//-----------------------------------------------------------------------
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public void testGetDurationMillis_Object() throws Exception {
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assertEquals(0L, NullConverter.INSTANCE.getDurationMillis(null));
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//-----------------------------------------------------------------------
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public void testGetPeriodType_Object() throws Exception {
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assertEquals(PeriodType.standard(),
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NullConverter.INSTANCE.getPeriodType(null));
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public void testSetInto_Object() throws Exception {
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MutablePeriod m = new MutablePeriod(PeriodType.millis());
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NullConverter.INSTANCE.setInto(m, null, null);
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assertEquals(0L, m.getMillis());
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//-----------------------------------------------------------------------
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public void testIsReadableInterval_Object_Chronology() throws Exception {
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assertEquals(false, NullConverter.INSTANCE.isReadableInterval(null, null));
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public void testSetInto_Object_Chronology1() throws Exception {
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MutableInterval m = new MutableInterval(1000L, 2000L, GJChronology.getInstance());
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NullConverter.INSTANCE.setInto(m, null, null);
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assertEquals(TEST_TIME_NOW, m.getStartMillis());
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assertEquals(TEST_TIME_NOW, m.getEndMillis());
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assertEquals(ISOChronology.getInstance(), m.getChronology());
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public void testSetInto_Object_Chronology2() throws Exception {
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MutableInterval m = new MutableInterval(1000L, 2000L, GJChronology.getInstance());
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NullConverter.INSTANCE.setInto(m, null, CopticChronology.getInstance());
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assertEquals(TEST_TIME_NOW, m.getStartMillis());
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assertEquals(TEST_TIME_NOW, m.getEndMillis());
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assertEquals(CopticChronology.getInstance(), m.getChronology());
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//-----------------------------------------------------------------------
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public void testToString() {
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assertEquals("Converter[null]", NullConverter.INSTANCE.toString());