Java example source code file (TestZoneId.java)

This example Java source code file (TestZoneId.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

america\/new_york, class, europe/london, europe/paris, field, gap, instant, localdatetime, overlap, reflection, simpletimezone, test, timezone, util, zoneid, zoneoffsettransition

The TestZoneId.java Java example source code

/*
 * 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.
 *
 * 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.
 */

/*
 * This file is available under and governed by the GNU General Public
 * License version 2 only, as published by the Free Software Foundation.
 * However, the following notice accompanied the original version of this
 * file:
 *
 * 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;

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

import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import java.time.DateTimeException;
import java.time.Instant;
import java.time.LocalDateTime;
import java.time.ZoneId;
import java.time.ZoneOffset;
import java.time.ZonedDateTime;
import java.time.format.TextStyle;
import java.time.zone.ZoneOffsetTransition;
import java.time.zone.ZoneRules;
import java.time.zone.ZoneRulesException;
import java.util.List;
import java.util.Locale;
import java.util.SimpleTimeZone;
import java.util.TimeZone;

import org.testng.annotations.Test;

/**
 * Test ZoneId.
 */
@Test
public class TestZoneId extends AbstractTest {

    private static final int OVERLAP = 2;
    private static final int GAP = 0;

    //-----------------------------------------------------------------------
    // Basics
    //-----------------------------------------------------------------------
    public void test_immutable() {
        // cannot use standard test as ZoneId is abstract
        Class<ZoneId> cls = ZoneId.class;
        assertTrue(Modifier.isPublic(cls.getModifiers()));
        Field[] fields = cls.getDeclaredFields();
        for (Field field : fields) {
            if (Modifier.isStatic(field.getModifiers()) == false) {
                assertTrue(Modifier.isPrivate(field.getModifiers()));
                assertTrue(Modifier.isFinal(field.getModifiers()) ||
                        (Modifier.isVolatile(field.getModifiers()) && Modifier.isTransient(field.getModifiers())));
            }
        }
    }

    //-----------------------------------------------------------------------
    // UTC
    //-----------------------------------------------------------------------
    public void test_constant_UTC() {
        ZoneId test = ZoneOffset.UTC;
        assertEquals(test.getId(), "Z");
        assertEquals(test.getDisplayName(TextStyle.FULL, Locale.UK), "Z");
        assertEquals(test.getRules().isFixedOffset(), true);
        assertEquals(test.getRules().getOffset(Instant.ofEpochSecond(0L)), ZoneOffset.UTC);
        checkOffset(test.getRules(), createLDT(2008, 6, 30), ZoneOffset.UTC, 1);
    }

    //-----------------------------------------------------------------------
    // system default
    //-----------------------------------------------------------------------
    public void test_systemDefault() {
        ZoneId test = ZoneId.systemDefault();
        assertEquals(test.getId(), TimeZone.getDefault().getID());
    }

    @Test(expectedExceptions = DateTimeException.class)
    public void test_systemDefault_unableToConvert_badFormat() {
        TimeZone current = TimeZone.getDefault();
        try {
            TimeZone.setDefault(new SimpleTimeZone(127, "Something Weird"));
            ZoneId.systemDefault();
        } finally {
            TimeZone.setDefault(current);
        }
    }

    @Test(expectedExceptions = ZoneRulesException.class)
    public void test_systemDefault_unableToConvert_unknownId() {
        TimeZone current = TimeZone.getDefault();
        try {
            TimeZone.setDefault(new SimpleTimeZone(127, "SomethingWeird"));
            ZoneId.systemDefault();
        } finally {
            TimeZone.setDefault(current);
        }
    }

    //-----------------------------------------------------------------------
    // Europe/London
    //-----------------------------------------------------------------------
    public void test_London() {
        ZoneId test = ZoneId.of("Europe/London");
        assertEquals(test.getId(), "Europe/London");
        assertEquals(test.getRules().isFixedOffset(), false);
    }

    public void test_London_getOffset() {
        ZoneId test = ZoneId.of("Europe/London");
        assertEquals(test.getRules().getOffset(createInstant(2008, 1, 1, ZoneOffset.UTC)), ZoneOffset.ofHours(0));
        assertEquals(test.getRules().getOffset(createInstant(2008, 2, 1, ZoneOffset.UTC)), ZoneOffset.ofHours(0));
        assertEquals(test.getRules().getOffset(createInstant(2008, 3, 1, ZoneOffset.UTC)), ZoneOffset.ofHours(0));
        assertEquals(test.getRules().getOffset(createInstant(2008, 4, 1, ZoneOffset.UTC)), ZoneOffset.ofHours(1));
        assertEquals(test.getRules().getOffset(createInstant(2008, 5, 1, ZoneOffset.UTC)), ZoneOffset.ofHours(1));
        assertEquals(test.getRules().getOffset(createInstant(2008, 6, 1, ZoneOffset.UTC)), ZoneOffset.ofHours(1));
        assertEquals(test.getRules().getOffset(createInstant(2008, 7, 1, ZoneOffset.UTC)), ZoneOffset.ofHours(1));
        assertEquals(test.getRules().getOffset(createInstant(2008, 8, 1, ZoneOffset.UTC)), ZoneOffset.ofHours(1));
        assertEquals(test.getRules().getOffset(createInstant(2008, 9, 1, ZoneOffset.UTC)), ZoneOffset.ofHours(1));
        assertEquals(test.getRules().getOffset(createInstant(2008, 10, 1, ZoneOffset.UTC)), ZoneOffset.ofHours(1));
        assertEquals(test.getRules().getOffset(createInstant(2008, 11, 1, ZoneOffset.UTC)), ZoneOffset.ofHours(0));
        assertEquals(test.getRules().getOffset(createInstant(2008, 12, 1, ZoneOffset.UTC)), ZoneOffset.ofHours(0));
    }

    public void test_London_getOffset_toDST() {
        ZoneId test = ZoneId.of("Europe/London");
        assertEquals(test.getRules().getOffset(createInstant(2008, 3, 24, ZoneOffset.UTC)), ZoneOffset.ofHours(0));
        assertEquals(test.getRules().getOffset(createInstant(2008, 3, 25, ZoneOffset.UTC)), ZoneOffset.ofHours(0));
        assertEquals(test.getRules().getOffset(createInstant(2008, 3, 26, ZoneOffset.UTC)), ZoneOffset.ofHours(0));
        assertEquals(test.getRules().getOffset(createInstant(2008, 3, 27, ZoneOffset.UTC)), ZoneOffset.ofHours(0));
        assertEquals(test.getRules().getOffset(createInstant(2008, 3, 28, ZoneOffset.UTC)), ZoneOffset.ofHours(0));
        assertEquals(test.getRules().getOffset(createInstant(2008, 3, 29, ZoneOffset.UTC)), ZoneOffset.ofHours(0));
        assertEquals(test.getRules().getOffset(createInstant(2008, 3, 30, ZoneOffset.UTC)), ZoneOffset.ofHours(0));
        assertEquals(test.getRules().getOffset(createInstant(2008, 3, 31, ZoneOffset.UTC)), ZoneOffset.ofHours(1));
        // cutover at 01:00Z
        assertEquals(test.getRules().getOffset(createInstant(2008, 3, 30, 0, 59, 59, 999999999, ZoneOffset.UTC)), ZoneOffset.ofHours(0));
        assertEquals(test.getRules().getOffset(createInstant(2008, 3, 30, 1, 0, 0, 0, ZoneOffset.UTC)), ZoneOffset.ofHours(1));
    }

    public void test_London_getOffset_fromDST() {
        ZoneId test = ZoneId.of("Europe/London");
        assertEquals(test.getRules().getOffset(createInstant(2008, 10, 24, ZoneOffset.UTC)), ZoneOffset.ofHours(1));
        assertEquals(test.getRules().getOffset(createInstant(2008, 10, 25, ZoneOffset.UTC)), ZoneOffset.ofHours(1));
        assertEquals(test.getRules().getOffset(createInstant(2008, 10, 26, ZoneOffset.UTC)), ZoneOffset.ofHours(1));
        assertEquals(test.getRules().getOffset(createInstant(2008, 10, 27, ZoneOffset.UTC)), ZoneOffset.ofHours(0));
        assertEquals(test.getRules().getOffset(createInstant(2008, 10, 28, ZoneOffset.UTC)), ZoneOffset.ofHours(0));
        assertEquals(test.getRules().getOffset(createInstant(2008, 10, 29, ZoneOffset.UTC)), ZoneOffset.ofHours(0));
        assertEquals(test.getRules().getOffset(createInstant(2008, 10, 30, ZoneOffset.UTC)), ZoneOffset.ofHours(0));
        assertEquals(test.getRules().getOffset(createInstant(2008, 10, 31, ZoneOffset.UTC)), ZoneOffset.ofHours(0));
        // cutover at 01:00Z
        assertEquals(test.getRules().getOffset(createInstant(2008, 10, 26, 0, 59, 59, 999999999, ZoneOffset.UTC)), ZoneOffset.ofHours(1));
        assertEquals(test.getRules().getOffset(createInstant(2008, 10, 26, 1, 0, 0, 0, ZoneOffset.UTC)), ZoneOffset.ofHours(0));
    }

    public void test_London_getOffsetInfo() {
        ZoneId test = ZoneId.of("Europe/London");
        checkOffset(test.getRules(), createLDT(2008, 1, 1), ZoneOffset.ofHours(0), 1);
        checkOffset(test.getRules(), createLDT(2008, 2, 1), ZoneOffset.ofHours(0), 1);
        checkOffset(test.getRules(), createLDT(2008, 3, 1), ZoneOffset.ofHours(0), 1);
        checkOffset(test.getRules(), createLDT(2008, 4, 1), ZoneOffset.ofHours(1), 1);
        checkOffset(test.getRules(), createLDT(2008, 5, 1), ZoneOffset.ofHours(1), 1);
        checkOffset(test.getRules(), createLDT(2008, 6, 1), ZoneOffset.ofHours(1), 1);
        checkOffset(test.getRules(), createLDT(2008, 7, 1), ZoneOffset.ofHours(1), 1);
        checkOffset(test.getRules(), createLDT(2008, 8, 1), ZoneOffset.ofHours(1), 1);
        checkOffset(test.getRules(), createLDT(2008, 9, 1), ZoneOffset.ofHours(1), 1);
        checkOffset(test.getRules(), createLDT(2008, 10, 1), ZoneOffset.ofHours(1), 1);
        checkOffset(test.getRules(), createLDT(2008, 11, 1), ZoneOffset.ofHours(0), 1);
        checkOffset(test.getRules(), createLDT(2008, 12, 1), ZoneOffset.ofHours(0), 1);
    }

    public void test_London_getOffsetInfo_toDST() {
        ZoneId test = ZoneId.of("Europe/London");
        checkOffset(test.getRules(), createLDT(2008, 3, 24), ZoneOffset.ofHours(0), 1);
        checkOffset(test.getRules(), createLDT(2008, 3, 25), ZoneOffset.ofHours(0), 1);
        checkOffset(test.getRules(), createLDT(2008, 3, 26), ZoneOffset.ofHours(0), 1);
        checkOffset(test.getRules(), createLDT(2008, 3, 27), ZoneOffset.ofHours(0), 1);
        checkOffset(test.getRules(), createLDT(2008, 3, 28), ZoneOffset.ofHours(0), 1);
        checkOffset(test.getRules(), createLDT(2008, 3, 29), ZoneOffset.ofHours(0), 1);
        checkOffset(test.getRules(), createLDT(2008, 3, 30), ZoneOffset.ofHours(0), 1);
        checkOffset(test.getRules(), createLDT(2008, 3, 31), ZoneOffset.ofHours(1), 1);
        // cutover at 01:00Z
        checkOffset(test.getRules(), LocalDateTime.of(2008, 3, 30, 0, 59, 59, 999999999), ZoneOffset.ofHours(0), 1);
        checkOffset(test.getRules(), LocalDateTime.of(2008, 3, 30, 1, 30, 0, 0), ZoneOffset.ofHours(0), GAP);
        checkOffset(test.getRules(), LocalDateTime.of(2008, 3, 30, 2, 0, 0, 0), ZoneOffset.ofHours(1), 1);
    }

    public void test_London_getOffsetInfo_fromDST() {
        ZoneId test = ZoneId.of("Europe/London");
        checkOffset(test.getRules(), createLDT(2008, 10, 24), ZoneOffset.ofHours(1), 1);
        checkOffset(test.getRules(), createLDT(2008, 10, 25), ZoneOffset.ofHours(1), 1);
        checkOffset(test.getRules(), createLDT(2008, 10, 26), ZoneOffset.ofHours(1), 1);
        checkOffset(test.getRules(), createLDT(2008, 10, 27), ZoneOffset.ofHours(0), 1);
        checkOffset(test.getRules(), createLDT(2008, 10, 28), ZoneOffset.ofHours(0), 1);
        checkOffset(test.getRules(), createLDT(2008, 10, 29), ZoneOffset.ofHours(0), 1);
        checkOffset(test.getRules(), createLDT(2008, 10, 30), ZoneOffset.ofHours(0), 1);
        checkOffset(test.getRules(), createLDT(2008, 10, 31), ZoneOffset.ofHours(0), 1);
        // cutover at 01:00Z
        checkOffset(test.getRules(), LocalDateTime.of(2008, 10, 26, 0, 59, 59, 999999999), ZoneOffset.ofHours(1), 1);
        checkOffset(test.getRules(), LocalDateTime.of(2008, 10, 26, 1, 30, 0, 0), ZoneOffset.ofHours(1), OVERLAP);
        checkOffset(test.getRules(), LocalDateTime.of(2008, 10, 26, 2, 0, 0, 0), ZoneOffset.ofHours(0), 1);
    }

    public void test_London_getOffsetInfo_gap() {
        ZoneId test = ZoneId.of("Europe/London");
        final LocalDateTime dateTime = LocalDateTime.of(2008, 3, 30, 1, 0, 0, 0);
        ZoneOffsetTransition trans = checkOffset(test.getRules(), dateTime, ZoneOffset.ofHours(0), GAP);
        assertEquals(trans.isGap(), true);
        assertEquals(trans.isOverlap(), false);
        assertEquals(trans.getOffsetBefore(), ZoneOffset.ofHours(0));
        assertEquals(trans.getOffsetAfter(), ZoneOffset.ofHours(1));
        assertEquals(trans.getInstant(), dateTime.toInstant(ZoneOffset.UTC));
        assertEquals(trans.getDateTimeBefore(), LocalDateTime.of(2008, 3, 30, 1, 0));
        assertEquals(trans.getDateTimeAfter(), LocalDateTime.of(2008, 3, 30, 2, 0));
        assertEquals(trans.isValidOffset(ZoneOffset.ofHours(-1)), false);
        assertEquals(trans.isValidOffset(ZoneOffset.ofHours(0)), false);
        assertEquals(trans.isValidOffset(ZoneOffset.ofHours(1)), false);
        assertEquals(trans.isValidOffset(ZoneOffset.ofHours(2)), false);
        assertEquals(trans.toString(), "Transition[Gap at 2008-03-30T01:00Z to +01:00]");

        assertFalse(trans.equals(null));
        assertFalse(trans.equals(ZoneOffset.ofHours(0)));
        assertTrue(trans.equals(trans));

        final ZoneOffsetTransition otherTrans = test.getRules().getTransition(dateTime);
        assertTrue(trans.equals(otherTrans));
        assertEquals(trans.hashCode(), otherTrans.hashCode());
    }

    public void test_London_getOffsetInfo_overlap() {
        ZoneId test = ZoneId.of("Europe/London");
        final LocalDateTime dateTime = LocalDateTime.of(2008, 10, 26, 1, 0, 0, 0);
        ZoneOffsetTransition trans = checkOffset(test.getRules(), dateTime, ZoneOffset.ofHours(1), OVERLAP);
        assertEquals(trans.isGap(), false);
        assertEquals(trans.isOverlap(), true);
        assertEquals(trans.getOffsetBefore(), ZoneOffset.ofHours(1));
        assertEquals(trans.getOffsetAfter(), ZoneOffset.ofHours(0));
        assertEquals(trans.getInstant(), dateTime.toInstant(ZoneOffset.UTC));
        assertEquals(trans.getDateTimeBefore(), LocalDateTime.of(2008, 10, 26, 2, 0));
        assertEquals(trans.getDateTimeAfter(), LocalDateTime.of(2008, 10, 26, 1, 0));
        assertEquals(trans.isValidOffset(ZoneOffset.ofHours(-1)), false);
        assertEquals(trans.isValidOffset(ZoneOffset.ofHours(0)), true);
        assertEquals(trans.isValidOffset(ZoneOffset.ofHours(1)), true);
        assertEquals(trans.isValidOffset(ZoneOffset.ofHours(2)), false);
        assertEquals(trans.toString(), "Transition[Overlap at 2008-10-26T02:00+01:00 to Z]");

        assertFalse(trans.equals(null));
        assertFalse(trans.equals(ZoneOffset.ofHours(1)));
        assertTrue(trans.equals(trans));

        final ZoneOffsetTransition otherTrans = test.getRules().getTransition(dateTime);
        assertTrue(trans.equals(otherTrans));
        assertEquals(trans.hashCode(), otherTrans.hashCode());
    }

    //-----------------------------------------------------------------------
    // Europe/Paris
    //-----------------------------------------------------------------------
    public void test_Paris() {
        ZoneId test = ZoneId.of("Europe/Paris");
        assertEquals(test.getId(), "Europe/Paris");
        assertEquals(test.getRules().isFixedOffset(), false);
    }

    public void test_Paris_getOffset() {
        ZoneId test = ZoneId.of("Europe/Paris");
        assertEquals(test.getRules().getOffset(createInstant(2008, 1, 1, ZoneOffset.UTC)), ZoneOffset.ofHours(1));
        assertEquals(test.getRules().getOffset(createInstant(2008, 2, 1, ZoneOffset.UTC)), ZoneOffset.ofHours(1));
        assertEquals(test.getRules().getOffset(createInstant(2008, 3, 1, ZoneOffset.UTC)), ZoneOffset.ofHours(1));
        assertEquals(test.getRules().getOffset(createInstant(2008, 4, 1, ZoneOffset.UTC)), ZoneOffset.ofHours(2));
        assertEquals(test.getRules().getOffset(createInstant(2008, 5, 1, ZoneOffset.UTC)), ZoneOffset.ofHours(2));
        assertEquals(test.getRules().getOffset(createInstant(2008, 6, 1, ZoneOffset.UTC)), ZoneOffset.ofHours(2));
        assertEquals(test.getRules().getOffset(createInstant(2008, 7, 1, ZoneOffset.UTC)), ZoneOffset.ofHours(2));
        assertEquals(test.getRules().getOffset(createInstant(2008, 8, 1, ZoneOffset.UTC)), ZoneOffset.ofHours(2));
        assertEquals(test.getRules().getOffset(createInstant(2008, 9, 1, ZoneOffset.UTC)), ZoneOffset.ofHours(2));
        assertEquals(test.getRules().getOffset(createInstant(2008, 10, 1, ZoneOffset.UTC)), ZoneOffset.ofHours(2));
        assertEquals(test.getRules().getOffset(createInstant(2008, 11, 1, ZoneOffset.UTC)), ZoneOffset.ofHours(1));
        assertEquals(test.getRules().getOffset(createInstant(2008, 12, 1, ZoneOffset.UTC)), ZoneOffset.ofHours(1));
    }

    public void test_Paris_getOffset_toDST() {
        ZoneId test = ZoneId.of("Europe/Paris");
        assertEquals(test.getRules().getOffset(createInstant(2008, 3, 24, ZoneOffset.UTC)), ZoneOffset.ofHours(1));
        assertEquals(test.getRules().getOffset(createInstant(2008, 3, 25, ZoneOffset.UTC)), ZoneOffset.ofHours(1));
        assertEquals(test.getRules().getOffset(createInstant(2008, 3, 26, ZoneOffset.UTC)), ZoneOffset.ofHours(1));
        assertEquals(test.getRules().getOffset(createInstant(2008, 3, 27, ZoneOffset.UTC)), ZoneOffset.ofHours(1));
        assertEquals(test.getRules().getOffset(createInstant(2008, 3, 28, ZoneOffset.UTC)), ZoneOffset.ofHours(1));
        assertEquals(test.getRules().getOffset(createInstant(2008, 3, 29, ZoneOffset.UTC)), ZoneOffset.ofHours(1));
        assertEquals(test.getRules().getOffset(createInstant(2008, 3, 30, ZoneOffset.UTC)), ZoneOffset.ofHours(1));
        assertEquals(test.getRules().getOffset(createInstant(2008, 3, 31, ZoneOffset.UTC)), ZoneOffset.ofHours(2));
        // cutover at 01:00Z
        assertEquals(test.getRules().getOffset(createInstant(2008, 3, 30, 0, 59, 59, 999999999, ZoneOffset.UTC)), ZoneOffset.ofHours(1));
        assertEquals(test.getRules().getOffset(createInstant(2008, 3, 30, 1, 0, 0, 0, ZoneOffset.UTC)), ZoneOffset.ofHours(2));
    }

    public void test_Paris_getOffset_fromDST() {
        ZoneId test = ZoneId.of("Europe/Paris");
        assertEquals(test.getRules().getOffset(createInstant(2008, 10, 24, ZoneOffset.UTC)), ZoneOffset.ofHours(2));
        assertEquals(test.getRules().getOffset(createInstant(2008, 10, 25, ZoneOffset.UTC)), ZoneOffset.ofHours(2));
        assertEquals(test.getRules().getOffset(createInstant(2008, 10, 26, ZoneOffset.UTC)), ZoneOffset.ofHours(2));
        assertEquals(test.getRules().getOffset(createInstant(2008, 10, 27, ZoneOffset.UTC)), ZoneOffset.ofHours(1));
        assertEquals(test.getRules().getOffset(createInstant(2008, 10, 28, ZoneOffset.UTC)), ZoneOffset.ofHours(1));
        assertEquals(test.getRules().getOffset(createInstant(2008, 10, 29, ZoneOffset.UTC)), ZoneOffset.ofHours(1));
        assertEquals(test.getRules().getOffset(createInstant(2008, 10, 30, ZoneOffset.UTC)), ZoneOffset.ofHours(1));
        assertEquals(test.getRules().getOffset(createInstant(2008, 10, 31, ZoneOffset.UTC)), ZoneOffset.ofHours(1));
        // cutover at 01:00Z
        assertEquals(test.getRules().getOffset(createInstant(2008, 10, 26, 0, 59, 59, 999999999, ZoneOffset.UTC)), ZoneOffset.ofHours(2));
        assertEquals(test.getRules().getOffset(createInstant(2008, 10, 26, 1, 0, 0, 0, ZoneOffset.UTC)), ZoneOffset.ofHours(1));
    }

    public void test_Paris_getOffsetInfo() {
        ZoneId test = ZoneId.of("Europe/Paris");
        checkOffset(test.getRules(), createLDT(2008, 1, 1), ZoneOffset.ofHours(1), 1);
        checkOffset(test.getRules(), createLDT(2008, 2, 1), ZoneOffset.ofHours(1), 1);
        checkOffset(test.getRules(), createLDT(2008, 3, 1), ZoneOffset.ofHours(1), 1);
        checkOffset(test.getRules(), createLDT(2008, 4, 1), ZoneOffset.ofHours(2), 1);
        checkOffset(test.getRules(), createLDT(2008, 5, 1), ZoneOffset.ofHours(2), 1);
        checkOffset(test.getRules(), createLDT(2008, 6, 1), ZoneOffset.ofHours(2), 1);
        checkOffset(test.getRules(), createLDT(2008, 7, 1), ZoneOffset.ofHours(2), 1);
        checkOffset(test.getRules(), createLDT(2008, 8, 1), ZoneOffset.ofHours(2), 1);
        checkOffset(test.getRules(), createLDT(2008, 9, 1), ZoneOffset.ofHours(2), 1);
        checkOffset(test.getRules(), createLDT(2008, 10, 1), ZoneOffset.ofHours(2), 1);
        checkOffset(test.getRules(), createLDT(2008, 11, 1), ZoneOffset.ofHours(1), 1);
        checkOffset(test.getRules(), createLDT(2008, 12, 1), ZoneOffset.ofHours(1), 1);
    }

    public void test_Paris_getOffsetInfo_toDST() {
        ZoneId test = ZoneId.of("Europe/Paris");
        checkOffset(test.getRules(), createLDT(2008, 3, 24), ZoneOffset.ofHours(1), 1);
        checkOffset(test.getRules(), createLDT(2008, 3, 25), ZoneOffset.ofHours(1), 1);
        checkOffset(test.getRules(), createLDT(2008, 3, 26), ZoneOffset.ofHours(1), 1);
        checkOffset(test.getRules(), createLDT(2008, 3, 27), ZoneOffset.ofHours(1), 1);
        checkOffset(test.getRules(), createLDT(2008, 3, 28), ZoneOffset.ofHours(1), 1);
        checkOffset(test.getRules(), createLDT(2008, 3, 29), ZoneOffset.ofHours(1), 1);
        checkOffset(test.getRules(), createLDT(2008, 3, 30), ZoneOffset.ofHours(1), 1);
        checkOffset(test.getRules(), createLDT(2008, 3, 31), ZoneOffset.ofHours(2), 1);
        // cutover at 01:00Z which is 02:00+01:00(local Paris time)
        checkOffset(test.getRules(), LocalDateTime.of(2008, 3, 30, 1, 59, 59, 999999999), ZoneOffset.ofHours(1), 1);
        checkOffset(test.getRules(), LocalDateTime.of(2008, 3, 30, 2, 30, 0, 0), ZoneOffset.ofHours(1), GAP);
        checkOffset(test.getRules(), LocalDateTime.of(2008, 3, 30, 3, 0, 0, 0), ZoneOffset.ofHours(2), 1);
    }

    public void test_Paris_getOffsetInfo_fromDST() {
        ZoneId test = ZoneId.of("Europe/Paris");
        checkOffset(test.getRules(), createLDT(2008, 10, 24), ZoneOffset.ofHours(2), 1);
        checkOffset(test.getRules(), createLDT(2008, 10, 25), ZoneOffset.ofHours(2), 1);
        checkOffset(test.getRules(), createLDT(2008, 10, 26), ZoneOffset.ofHours(2), 1);
        checkOffset(test.getRules(), createLDT(2008, 10, 27), ZoneOffset.ofHours(1), 1);
        checkOffset(test.getRules(), createLDT(2008, 10, 28), ZoneOffset.ofHours(1), 1);
        checkOffset(test.getRules(), createLDT(2008, 10, 29), ZoneOffset.ofHours(1), 1);
        checkOffset(test.getRules(), createLDT(2008, 10, 30), ZoneOffset.ofHours(1), 1);
        checkOffset(test.getRules(), createLDT(2008, 10, 31), ZoneOffset.ofHours(1), 1);
        // cutover at 01:00Z which is 02:00+01:00(local Paris time)
        checkOffset(test.getRules(), LocalDateTime.of(2008, 10, 26, 1, 59, 59, 999999999), ZoneOffset.ofHours(2), 1);
        checkOffset(test.getRules(), LocalDateTime.of(2008, 10, 26, 2, 30, 0, 0), ZoneOffset.ofHours(2), OVERLAP);
        checkOffset(test.getRules(), LocalDateTime.of(2008, 10, 26, 3, 0, 0, 0), ZoneOffset.ofHours(1), 1);
    }

    public void test_Paris_getOffsetInfo_gap() {
        ZoneId test = ZoneId.of("Europe/Paris");
        final LocalDateTime dateTime = LocalDateTime.of(2008, 3, 30, 2, 0, 0, 0);
        ZoneOffsetTransition trans = checkOffset(test.getRules(), dateTime, ZoneOffset.ofHours(1), GAP);
        assertEquals(trans.isGap(), true);
        assertEquals(trans.isOverlap(), false);
        assertEquals(trans.getOffsetBefore(), ZoneOffset.ofHours(1));
        assertEquals(trans.getOffsetAfter(), ZoneOffset.ofHours(2));
        assertEquals(trans.getInstant(), createInstant(2008, 3, 30, 1, 0, 0, 0, ZoneOffset.UTC));
        assertEquals(trans.isValidOffset(ZoneOffset.ofHours(0)), false);
        assertEquals(trans.isValidOffset(ZoneOffset.ofHours(1)), false);
        assertEquals(trans.isValidOffset(ZoneOffset.ofHours(2)), false);
        assertEquals(trans.isValidOffset(ZoneOffset.ofHours(3)), false);
        assertEquals(trans.toString(), "Transition[Gap at 2008-03-30T02:00+01:00 to +02:00]");

        assertFalse(trans.equals(null));
        assertFalse(trans.equals(ZoneOffset.ofHours(1)));
        assertTrue(trans.equals(trans));

        final ZoneOffsetTransition otherDis = test.getRules().getTransition(dateTime);
        assertTrue(trans.equals(otherDis));
        assertEquals(trans.hashCode(), otherDis.hashCode());
    }

    public void test_Paris_getOffsetInfo_overlap() {
        ZoneId test = ZoneId.of("Europe/Paris");
        final LocalDateTime dateTime = LocalDateTime.of(2008, 10, 26, 2, 0, 0, 0);
        ZoneOffsetTransition trans = checkOffset(test.getRules(), dateTime, ZoneOffset.ofHours(2), OVERLAP);
        assertEquals(trans.isGap(), false);
        assertEquals(trans.isOverlap(), true);
        assertEquals(trans.getOffsetBefore(), ZoneOffset.ofHours(2));
        assertEquals(trans.getOffsetAfter(), ZoneOffset.ofHours(1));
        assertEquals(trans.getInstant(), createInstant(2008, 10, 26, 1, 0, 0, 0, ZoneOffset.UTC));
        assertEquals(trans.isValidOffset(ZoneOffset.ofHours(0)), false);
        assertEquals(trans.isValidOffset(ZoneOffset.ofHours(1)), true);
        assertEquals(trans.isValidOffset(ZoneOffset.ofHours(2)), true);
        assertEquals(trans.isValidOffset(ZoneOffset.ofHours(3)), false);
        assertEquals(trans.toString(), "Transition[Overlap at 2008-10-26T03:00+02:00 to +01:00]");

        assertFalse(trans.equals(null));
        assertFalse(trans.equals(ZoneOffset.ofHours(2)));
        assertTrue(trans.equals(trans));

        final ZoneOffsetTransition otherDis = test.getRules().getTransition(dateTime);
        assertTrue(trans.equals(otherDis));
        assertEquals(trans.hashCode(), otherDis.hashCode());
    }

    //-----------------------------------------------------------------------
    // America/New_York
    //-----------------------------------------------------------------------
    public void test_NewYork() {
        ZoneId test = ZoneId.of("America/New_York");
        assertEquals(test.getId(), "America/New_York");
        assertEquals(test.getRules().isFixedOffset(), false);
    }

    public void test_NewYork_getOffset() {
        ZoneId test = ZoneId.of("America/New_York");
        ZoneOffset offset = ZoneOffset.ofHours(-5);
        assertEquals(test.getRules().getOffset(createInstant(2008, 1, 1, offset)), ZoneOffset.ofHours(-5));
        assertEquals(test.getRules().getOffset(createInstant(2008, 2, 1, offset)), ZoneOffset.ofHours(-5));
        assertEquals(test.getRules().getOffset(createInstant(2008, 3, 1, offset)), ZoneOffset.ofHours(-5));
        assertEquals(test.getRules().getOffset(createInstant(2008, 4, 1, offset)), ZoneOffset.ofHours(-4));
        assertEquals(test.getRules().getOffset(createInstant(2008, 5, 1, offset)), ZoneOffset.ofHours(-4));
        assertEquals(test.getRules().getOffset(createInstant(2008, 6, 1, offset)), ZoneOffset.ofHours(-4));
        assertEquals(test.getRules().getOffset(createInstant(2008, 7, 1, offset)), ZoneOffset.ofHours(-4));
        assertEquals(test.getRules().getOffset(createInstant(2008, 8, 1, offset)), ZoneOffset.ofHours(-4));
        assertEquals(test.getRules().getOffset(createInstant(2008, 9, 1, offset)), ZoneOffset.ofHours(-4));
        assertEquals(test.getRules().getOffset(createInstant(2008, 10, 1, offset)), ZoneOffset.ofHours(-4));
        assertEquals(test.getRules().getOffset(createInstant(2008, 11, 1, offset)), ZoneOffset.ofHours(-4));
        assertEquals(test.getRules().getOffset(createInstant(2008, 12, 1, offset)), ZoneOffset.ofHours(-5));
        assertEquals(test.getRules().getOffset(createInstant(2008, 1, 28, offset)), ZoneOffset.ofHours(-5));
        assertEquals(test.getRules().getOffset(createInstant(2008, 2, 28, offset)), ZoneOffset.ofHours(-5));
        assertEquals(test.getRules().getOffset(createInstant(2008, 3, 28, offset)), ZoneOffset.ofHours(-4));
        assertEquals(test.getRules().getOffset(createInstant(2008, 4, 28, offset)), ZoneOffset.ofHours(-4));
        assertEquals(test.getRules().getOffset(createInstant(2008, 5, 28, offset)), ZoneOffset.ofHours(-4));
        assertEquals(test.getRules().getOffset(createInstant(2008, 6, 28, offset)), ZoneOffset.ofHours(-4));
        assertEquals(test.getRules().getOffset(createInstant(2008, 7, 28, offset)), ZoneOffset.ofHours(-4));
        assertEquals(test.getRules().getOffset(createInstant(2008, 8, 28, offset)), ZoneOffset.ofHours(-4));
        assertEquals(test.getRules().getOffset(createInstant(2008, 9, 28, offset)), ZoneOffset.ofHours(-4));
        assertEquals(test.getRules().getOffset(createInstant(2008, 10, 28, offset)), ZoneOffset.ofHours(-4));
        assertEquals(test.getRules().getOffset(createInstant(2008, 11, 28, offset)), ZoneOffset.ofHours(-5));
        assertEquals(test.getRules().getOffset(createInstant(2008, 12, 28, offset)), ZoneOffset.ofHours(-5));
    }

    public void test_NewYork_getOffset_toDST() {
        ZoneId test = ZoneId.of("America/New_York");
        ZoneOffset offset = ZoneOffset.ofHours(-5);
        assertEquals(test.getRules().getOffset(createInstant(2008, 3, 8, offset)), ZoneOffset.ofHours(-5));
        assertEquals(test.getRules().getOffset(createInstant(2008, 3, 9, offset)), ZoneOffset.ofHours(-5));
        assertEquals(test.getRules().getOffset(createInstant(2008, 3, 10, offset)), ZoneOffset.ofHours(-4));
        assertEquals(test.getRules().getOffset(createInstant(2008, 3, 11, offset)), ZoneOffset.ofHours(-4));
        assertEquals(test.getRules().getOffset(createInstant(2008, 3, 12, offset)), ZoneOffset.ofHours(-4));
        assertEquals(test.getRules().getOffset(createInstant(2008, 3, 13, offset)), ZoneOffset.ofHours(-4));
        assertEquals(test.getRules().getOffset(createInstant(2008, 3, 14, offset)), ZoneOffset.ofHours(-4));
        // cutover at 02:00 local
        assertEquals(test.getRules().getOffset(createInstant(2008, 3, 9, 1, 59, 59, 999999999, offset)), ZoneOffset.ofHours(-5));
        assertEquals(test.getRules().getOffset(createInstant(2008, 3, 9, 2, 0, 0, 0, offset)), ZoneOffset.ofHours(-4));
    }

    public void test_NewYork_getOffset_fromDST() {
        ZoneId test = ZoneId.of("America/New_York");
        ZoneOffset offset = ZoneOffset.ofHours(-4);
        assertEquals(test.getRules().getOffset(createInstant(2008, 11, 1, offset)), ZoneOffset.ofHours(-4));
        assertEquals(test.getRules().getOffset(createInstant(2008, 11, 2, offset)), ZoneOffset.ofHours(-4));
        assertEquals(test.getRules().getOffset(createInstant(2008, 11, 3, offset)), ZoneOffset.ofHours(-5));
        assertEquals(test.getRules().getOffset(createInstant(2008, 11, 4, offset)), ZoneOffset.ofHours(-5));
        assertEquals(test.getRules().getOffset(createInstant(2008, 11, 5, offset)), ZoneOffset.ofHours(-5));
        assertEquals(test.getRules().getOffset(createInstant(2008, 11, 6, offset)), ZoneOffset.ofHours(-5));
        assertEquals(test.getRules().getOffset(createInstant(2008, 11, 7, offset)), ZoneOffset.ofHours(-5));
        // cutover at 02:00 local
        assertEquals(test.getRules().getOffset(createInstant(2008, 11, 2, 1, 59, 59, 999999999, offset)), ZoneOffset.ofHours(-4));
        assertEquals(test.getRules().getOffset(createInstant(2008, 11, 2, 2, 0, 0, 0, offset)), ZoneOffset.ofHours(-5));
    }

    public void test_NewYork_getOffsetInfo() {
        ZoneId test = ZoneId.of("America/New_York");
        checkOffset(test.getRules(), createLDT(2008, 1, 1), ZoneOffset.ofHours(-5), 1);
        checkOffset(test.getRules(), createLDT(2008, 2, 1), ZoneOffset.ofHours(-5), 1);
        checkOffset(test.getRules(), createLDT(2008, 3, 1), ZoneOffset.ofHours(-5), 1);
        checkOffset(test.getRules(), createLDT(2008, 4, 1), ZoneOffset.ofHours(-4), 1);
        checkOffset(test.getRules(), createLDT(2008, 5, 1), ZoneOffset.ofHours(-4), 1);
        checkOffset(test.getRules(), createLDT(2008, 6, 1), ZoneOffset.ofHours(-4), 1);
        checkOffset(test.getRules(), createLDT(2008, 7, 1), ZoneOffset.ofHours(-4), 1);
        checkOffset(test.getRules(), createLDT(2008, 8, 1), ZoneOffset.ofHours(-4), 1);
        checkOffset(test.getRules(), createLDT(2008, 9, 1), ZoneOffset.ofHours(-4), 1);
        checkOffset(test.getRules(), createLDT(2008, 10, 1), ZoneOffset.ofHours(-4), 1);
        checkOffset(test.getRules(), createLDT(2008, 11, 1), ZoneOffset.ofHours(-4), 1);
        checkOffset(test.getRules(), createLDT(2008, 12, 1), ZoneOffset.ofHours(-5), 1);
        checkOffset(test.getRules(), createLDT(2008, 1, 28), ZoneOffset.ofHours(-5), 1);
        checkOffset(test.getRules(), createLDT(2008, 2, 28), ZoneOffset.ofHours(-5), 1);
        checkOffset(test.getRules(), createLDT(2008, 3, 28), ZoneOffset.ofHours(-4), 1);
        checkOffset(test.getRules(), createLDT(2008, 4, 28), ZoneOffset.ofHours(-4), 1);
        checkOffset(test.getRules(), createLDT(2008, 5, 28), ZoneOffset.ofHours(-4), 1);
        checkOffset(test.getRules(), createLDT(2008, 6, 28), ZoneOffset.ofHours(-4), 1);
        checkOffset(test.getRules(), createLDT(2008, 7, 28), ZoneOffset.ofHours(-4), 1);
        checkOffset(test.getRules(), createLDT(2008, 8, 28), ZoneOffset.ofHours(-4), 1);
        checkOffset(test.getRules(), createLDT(2008, 9, 28), ZoneOffset.ofHours(-4), 1);
        checkOffset(test.getRules(), createLDT(2008, 10, 28), ZoneOffset.ofHours(-4), 1);
        checkOffset(test.getRules(), createLDT(2008, 11, 28), ZoneOffset.ofHours(-5), 1);
        checkOffset(test.getRules(), createLDT(2008, 12, 28), ZoneOffset.ofHours(-5), 1);
    }

    public void test_NewYork_getOffsetInfo_toDST() {
        ZoneId test = ZoneId.of("America/New_York");
        checkOffset(test.getRules(), createLDT(2008, 3, 8), ZoneOffset.ofHours(-5), 1);
        checkOffset(test.getRules(), createLDT(2008, 3, 9), ZoneOffset.ofHours(-5), 1);
        checkOffset(test.getRules(), createLDT(2008, 3, 10), ZoneOffset.ofHours(-4), 1);
        checkOffset(test.getRules(), createLDT(2008, 3, 11), ZoneOffset.ofHours(-4), 1);
        checkOffset(test.getRules(), createLDT(2008, 3, 12), ZoneOffset.ofHours(-4), 1);
        checkOffset(test.getRules(), createLDT(2008, 3, 13), ZoneOffset.ofHours(-4), 1);
        checkOffset(test.getRules(), createLDT(2008, 3, 14), ZoneOffset.ofHours(-4), 1);
        // cutover at 02:00 local
        checkOffset(test.getRules(), LocalDateTime.of(2008, 3, 9, 1, 59, 59, 999999999), ZoneOffset.ofHours(-5), 1);
        checkOffset(test.getRules(), LocalDateTime.of(2008, 3, 9, 2, 30, 0, 0), ZoneOffset.ofHours(-5), GAP);
        checkOffset(test.getRules(), LocalDateTime.of(2008, 3, 9, 3, 0, 0, 0), ZoneOffset.ofHours(-4), 1);
    }

    public void test_NewYork_getOffsetInfo_fromDST() {
        ZoneId test = ZoneId.of("America/New_York");
        checkOffset(test.getRules(), createLDT(2008, 11, 1), ZoneOffset.ofHours(-4), 1);
        checkOffset(test.getRules(), createLDT(2008, 11, 2), ZoneOffset.ofHours(-4), 1);
        checkOffset(test.getRules(), createLDT(2008, 11, 3), ZoneOffset.ofHours(-5), 1);
        checkOffset(test.getRules(), createLDT(2008, 11, 4), ZoneOffset.ofHours(-5), 1);
        checkOffset(test.getRules(), createLDT(2008, 11, 5), ZoneOffset.ofHours(-5), 1);
        checkOffset(test.getRules(), createLDT(2008, 11, 6), ZoneOffset.ofHours(-5), 1);
        checkOffset(test.getRules(), createLDT(2008, 11, 7), ZoneOffset.ofHours(-5), 1);
        // cutover at 02:00 local
        checkOffset(test.getRules(), LocalDateTime.of(2008, 11, 2, 0, 59, 59, 999999999), ZoneOffset.ofHours(-4), 1);
        checkOffset(test.getRules(), LocalDateTime.of(2008, 11, 2, 1, 30, 0, 0), ZoneOffset.ofHours(-4), OVERLAP);
        checkOffset(test.getRules(), LocalDateTime.of(2008, 11, 2, 2, 0, 0, 0), ZoneOffset.ofHours(-5), 1);
    }

    public void test_NewYork_getOffsetInfo_gap() {
        ZoneId test = ZoneId.of("America/New_York");
        final LocalDateTime dateTime = LocalDateTime.of(2008, 3, 9, 2, 0, 0, 0);
        ZoneOffsetTransition trans = checkOffset(test.getRules(), dateTime, ZoneOffset.ofHours(-5), GAP);
        assertEquals(trans.getOffsetBefore(), ZoneOffset.ofHours(-5));
        assertEquals(trans.getOffsetAfter(), ZoneOffset.ofHours(-4));
        assertEquals(trans.getInstant(), createInstant(2008, 3, 9, 2, 0, 0, 0, ZoneOffset.ofHours(-5)));
        assertEquals(trans.isValidOffset(ZoneOffset.ofHours(-6)), false);
        assertEquals(trans.isValidOffset(ZoneOffset.ofHours(-5)), false);
        assertEquals(trans.isValidOffset(ZoneOffset.ofHours(-4)), false);
        assertEquals(trans.isValidOffset(ZoneOffset.ofHours(-3)), false);
        assertEquals(trans.toString(), "Transition[Gap at 2008-03-09T02:00-05:00 to -04:00]");

        assertFalse(trans.equals(null));
        assertFalse(trans.equals(ZoneOffset.ofHours(-5)));
        assertTrue(trans.equals(trans));

        final ZoneOffsetTransition otherTrans = test.getRules().getTransition(dateTime);
        assertTrue(trans.equals(otherTrans));

        assertEquals(trans.hashCode(), otherTrans.hashCode());
    }

    public void test_NewYork_getOffsetInfo_overlap() {
        ZoneId test = ZoneId.of("America/New_York");
        final LocalDateTime dateTime = LocalDateTime.of(2008, 11, 2, 1, 0, 0, 0);
        ZoneOffsetTransition trans = checkOffset(test.getRules(), dateTime, ZoneOffset.ofHours(-4), OVERLAP);
        assertEquals(trans.getOffsetBefore(), ZoneOffset.ofHours(-4));
        assertEquals(trans.getOffsetAfter(), ZoneOffset.ofHours(-5));
        assertEquals(trans.getInstant(), createInstant(2008, 11, 2, 2, 0, 0, 0, ZoneOffset.ofHours(-4)));
        assertEquals(trans.isValidOffset(ZoneOffset.ofHours(-1)), false);
        assertEquals(trans.isValidOffset(ZoneOffset.ofHours(-5)), true);
        assertEquals(trans.isValidOffset(ZoneOffset.ofHours(-4)), true);
        assertEquals(trans.isValidOffset(ZoneOffset.ofHours(2)), false);
        assertEquals(trans.toString(), "Transition[Overlap at 2008-11-02T02:00-04:00 to -05:00]");

        assertFalse(trans.equals(null));
        assertFalse(trans.equals(ZoneOffset.ofHours(-4)));
        assertTrue(trans.equals(trans));

        final ZoneOffsetTransition otherTrans = test.getRules().getTransition(dateTime);
        assertTrue(trans.equals(otherTrans));

        assertEquals(trans.hashCode(), otherTrans.hashCode());
    }

    //-----------------------------------------------------------------------
    // getXxx() isXxx()
    //-----------------------------------------------------------------------
    public void test_get_Tzdb() {
        ZoneId test = ZoneId.of("Europe/London");
        assertEquals(test.getId(), "Europe/London");
        assertEquals(test.getRules().isFixedOffset(), false);
    }

    public void test_get_TzdbFixed() {
        ZoneId test = ZoneId.of("+01:30");
        assertEquals(test.getId(), "+01:30");
        assertEquals(test.getRules().isFixedOffset(), true);
    }

    //-----------------------------------------------------------------------
    //-----------------------------------------------------------------------
    //-----------------------------------------------------------------------
    private Instant createInstant(int year, int month, int day, ZoneOffset offset) {
        return LocalDateTime.of(year, month, day, 0, 0).toInstant(offset);
    }

    private Instant createInstant(int year, int month, int day, int hour, int min, int sec, int nano, ZoneOffset offset) {
        return LocalDateTime.of(year, month, day, hour, min, sec, nano).toInstant(offset);
    }

    private ZonedDateTime createZDT(int year, int month, int day, int hour, int min, int sec, int nano, ZoneId zone) {
        return LocalDateTime.of(year, month, day, hour, min, sec, nano).atZone(zone);
    }

    private LocalDateTime createLDT(int year, int month, int day) {
        return LocalDateTime.of(year, month, day, 0, 0);
    }

    private ZoneOffsetTransition checkOffset(ZoneRules rules, LocalDateTime dateTime, ZoneOffset offset, int type) {
        List<ZoneOffset> validOffsets = rules.getValidOffsets(dateTime);
        assertEquals(validOffsets.size(), type);
        assertEquals(rules.getOffset(dateTime), offset);
        if (type == 1) {
            assertEquals(validOffsets.get(0), offset);
            return null;
        } else {
            ZoneOffsetTransition zot = rules.getTransition(dateTime);
            assertNotNull(zot);
            assertEquals(zot.isOverlap(), type == 2);
            assertEquals(zot.isGap(), type == 0);
            assertEquals(zot.isValidOffset(offset), type == 2);
            return zot;
        }
    }

}