Java example source code file (TimeZoneNamesTest.java)

This example Java source code file (TimeZoneNamesTest.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

boolean, generic, locale, object, observed, properties, runtimeexception, should, some, string, util

The TimeZoneNamesTest.java Java example source code

/*
 * Copyright (c) 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.
 */

/**
 * @test
 * @bug 8025051
 * @summary Test time zone names across all locales
 * @run main TimeZoneNamesTest
 */

import sun.util.locale.provider.TimeZoneNameUtility;
import java.util.TimeZone;
import java.util.Locale;
import java.util.Properties;
import java.io.IOException;
import java.io.FileInputStream;

public class TimeZoneNamesTest {
    // name type to test. Possible: long, short.
    static String requestedTestType = "long";
    // test Standard/DST (false) or Generic (true) TZ names
    static boolean testGeneric = false;

    public static void testGenericTZName( Locale locale, String timezoneName,
                                          int nameType, String expectedName ) throws RuntimeException {
        if (testGeneric) {
            String genericName = TimeZoneNameUtility.retrieveGenericDisplayName(timezoneName, nameType, locale);
            //Check for equality
            if (!genericName.equals(expectedName))
                throw new RuntimeException( "Time zone ("+timezoneName+") name is incorrect for locale \""+locale.getDisplayName()
                                            +"\" nameType: Generic"+"("+nameType+") Should be: " +expectedName+" Observed: "+genericName);
        }
    }

    public static void testTZName( Locale locale, String timezoneName, boolean isDaylight,
                                   int nameType, String expectedName ) throws RuntimeException {
        if (!testGeneric) {
            //Construct time zone objects
            TimeZone zone = TimeZone.getTimeZone(timezoneName);
            //Get name from JDK
            String name = zone.getDisplayName(isDaylight, nameType, locale);
            //Check for equality
            if (!name.equals(expectedName))
                throw new RuntimeException( "Time zone ("+timezoneName+") name is incorrect for locale: \""+locale.getDisplayName()
                                            +"\" nameType:"+requestedTestType+" DST:"+isDaylight+" Should be: " +expectedName+" Observed: "+name);
        }
    }

    public static boolean testPropertyEntry( Locale locale, String entry, String value ) {
        boolean result = true;
        String[] params = entry.split("\\.");
        if (params.length != 3) {
            System.out.println("Incorrect property file entry="+entry+" "+params.length);
            result = false;
        } else {
            boolean isDaylight = true;
            int nameType = TimeZone.LONG;

            if (params[2].equals("short"))
                nameType = TimeZone.SHORT;

            if (params[1].equals("standard"))
                isDaylight = false;

            // Names with non-requested tz name type are ignored
            if (requestedTestType.equals(params[2])) {
                try {
                    if (params[1].equals("generic"))
                        testGenericTZName( locale, params[0], nameType, value );
                    else
                        testTZName( locale, params[0], isDaylight, nameType, value );
                } catch (RuntimeException e) {
                    System.out.println( "Test FAILED: "+e );
                    result = false;
                }
            }
        }
        return result;
    }

    public static boolean testPropertyFile( String propFile, String shortName, Locale locale ) throws RuntimeException {
        boolean result = true;
        Properties property = new Properties();
        try {
            property.load( new FileInputStream(propFile) );
        } catch (IOException e) {
            throw new RuntimeException("Property file "+propFile+" is not found", e);
        }
        for (String key: property.stringPropertyNames()) {
            result &= testPropertyEntry(locale, key, property.getProperty(key) );
        }
        return result;
    }

    // Locale to test, file with names data, test long/short names, test generic names (true/false)
    static Object[][] testTargets = {
        { Locale.ROOT,"TimeZoneNames.properties","long",false},
        { Locale.ROOT,"TimeZoneNames_short.properties","short",false},
        { Locale.ROOT,"TimeZoneNames.properties","long",true},
        { Locale.ROOT,"TimeZoneNames_short.properties","short",true},

        { new Locale("de"),"TimeZoneNames_de.properties","long",false},
        { new Locale("de"),"TimeZoneNames_de_short.properties","short",false},
        { new Locale("de"),"TimeZoneNames_de.properties","long",true},
        { new Locale("de"),"TimeZoneNames_de_short.properties","short",true},

        { new Locale("es"),"TimeZoneNames_es.properties","long",false},
        { new Locale("es"),"TimeZoneNames_es_short.properties","short",false},
        { new Locale("es"),"TimeZoneNames_es.properties","long",true},
        { new Locale("es"),"TimeZoneNames_es_short.properties","short",true},

        { new Locale("fr"),"TimeZoneNames_fr.properties","long",false},
        { new Locale("fr"),"TimeZoneNames_fr_short.properties","short",false},
        { new Locale("fr"),"TimeZoneNames_fr.properties","long",true},
        { new Locale("fr"),"TimeZoneNames_fr_short.properties","short",true},

        { new Locale("it"),"TimeZoneNames_it.properties","long",false},
        { new Locale("it"),"TimeZoneNames_it_short.properties","short",false},
        { new Locale("it"),"TimeZoneNames_it.properties","long",true},
        { new Locale("it"),"TimeZoneNames_it_short.properties","short",true},

        { new Locale("ja"),"TimeZoneNames_ja.properties","long",false},
        { new Locale("ja"),"TimeZoneNames_ja_short.properties","short",false},
        { new Locale("ja"),"TimeZoneNames_ja.properties","long",true},
        { new Locale("ja"),"TimeZoneNames_ja_short.properties","short",true},

        { new Locale("ko"),"TimeZoneNames_ko.properties","long",false},
        { new Locale("ko"),"TimeZoneNames_ko_short.properties","short",false},
        { new Locale("ko"),"TimeZoneNames_ko.properties","long",true},
        { new Locale("ko"),"TimeZoneNames_ko_short.properties","short",true},

        { new Locale("pt","BR"),"TimeZoneNames_pt_BR.properties","long",false},
        { new Locale("pt","BR"),"TimeZoneNames_pt_BR_short.properties","short",false},
        { new Locale("pt","BR"),"TimeZoneNames_pt_BR.properties","long",true},
        { new Locale("pt","BR"),"TimeZoneNames_pt_BR_short.properties","short",true},

        { new Locale("sv"),"TimeZoneNames_sv.properties","long",false},
        { new Locale("sv"),"TimeZoneNames_sv_short.properties","short",false},
        { new Locale("sv"),"TimeZoneNames_sv.properties","long",true},
        { new Locale("sv"),"TimeZoneNames_sv_short.properties","short",true},

        { new Locale("zh","CN"),"TimeZoneNames_zh_CN.properties","long",false},
        { new Locale("zh","CN"),"TimeZoneNames_zh_CN_short.properties","short",false},
        { new Locale("zh","CN"),"TimeZoneNames_zh_CN.properties","long",true},
        { new Locale("zh","CN"),"TimeZoneNames_zh_CN_short.properties","short",true},

        { new Locale("zh","TW"),"TimeZoneNames_zh_TW.properties","long",false},
        { new Locale("zh","TW"),"TimeZoneNames_zh_TW_short.properties","short",false},
        { new Locale("zh","TW"),"TimeZoneNames_zh_TW.properties","long",true},
        { new Locale("zh","TW"),"TimeZoneNames_zh_TW_short.properties","short",true}
    };

    public static void main(String[] args) {
        boolean result = true;

        for (Object [] test: testTargets) {
            Locale testLocale = (Locale) test[0];
            String testFile = (String) test[1];
            requestedTestType = (String) test[2];
            testGeneric = (Boolean) test[3];
            result &= testPropertyFile( System.getProperty("test.src",".")+"/"+testFile, testFile, testLocale);
        }
        if (!result)
            throw new RuntimeException("Some time zones has unexpected names. Please, check test output.");
    }
}