test/java/util/TimeZone/CLDRDisplayNamesTest.java

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/*
 * @test
 * @bug 8005471
 * @run main/othervm -Djava.locale.providers=CLDR CLDRDisplayNamesTest
 * @summary Make sure that localized time zone names of CLDR are used
 * if specified.
 */

import java.util.*;
import static java.util.TimeZone.*;

public class CLDRDisplayNamesTest {
    /*
     * The first element is a language tag. The rest are localized
     * display names of America/Los_Angeles copied from the CLDR
     * resources data. If data change in CLDR, test data below will
     * need to be changed accordingly.
     *
     * Generic names are NOT tested (until they are supported by API).
     */
    static final String[][] CLDR_DATA = {
        {
            "ja-JP",
            "\u30a2\u30e1\u30ea\u30ab\u592a\u5e73\u6d0b\u6a19\u6e96\u6642",
            "PST",
            "\u30a2\u30e1\u30ea\u30ab\u592a\u5e73\u6d0b\u590f\u6642\u9593",
            "PDT",
            //"\u30a2\u30e1\u30ea\u30ab\u592a\u5e73\u6d0b\u6642\u9593",
            //"PT"
        },
        {
            "zh-CN",
            "\u592a\u5e73\u6d0b\u6807\u51c6\u65f6\u95f4",
            "PST",
            "\u592a\u5e73\u6d0b\u590f\u4ee4\u65f6\u95f4",
            "PDT",
            //"\u7f8e\u56fd\u592a\u5e73\u6d0b\u65f6\u95f4",
            //"PT"
        },
        {
            "de-DE",
            "Nordamerikanische Westk\u00fcsten-Winterzeit",
            "PST",
            "Nordamerikanische Westk\u00fcsten-Sommerzeit",
            "PDT",
            //"Nordamerikanische Westk\u00fcstenzeit",
            //"PT"
        },
    };

    public static void main(String[] args) {
        TimeZone tz = TimeZone.getTimeZone("America/Los_Angeles");
        int errors = 0;
        for (String[] data : CLDR_DATA) {
            Locale locale = Locale.forLanguageTag(data[0]);
            for (int i = 1; i < data.length; i++) {
                int style = ((i % 2) == 1) ? LONG : SHORT;
                boolean daylight = (i == 3 || i == 4);
                String name = tz.getDisplayName(daylight, style, locale);
                if (!data[i].equals(name)) {
                    System.err.printf("error: got '%s' expected '%s' (style=%d, daylight=%s, locale=%s)%n",
                                      name, data[i], style, daylight, locale);
                    errors++;
                }
            }
        }
        if (errors > 0) {
            throw new RuntimeException("test failed");
        }
    }
}