JapaneseEraNameTest.java

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/*
 * @test
 * @bug 8202088 8207152 8217609 8219890
 * @summary Test the localized Japanese new era name (May 1st. 2019-)
 *      is retrieved no matter CLDR provider contains the name or not.
 * @run main/othervm -Djava.locale.providers=CLDR JapaneseEraNameTest
 *
 */

import static java.util.Calendar.*;
import static java.util.Locale.*;
import java.util.Calendar;
import java.util.Locale;


public class JapaneseEraNameTest {
    static final Calendar c = new Calendar.Builder()
            .setCalendarType("japanese")
            .setFields(ERA, 5, YEAR, 1, MONTH, MAY, DAY_OF_MONTH, 1)
            .build();


    static final Object[][] names = {
            // Since the test fails for below particular data
            // on prior 8u versions for all eras, commenting it
            // temporarily. Will be fixed as part of JDK-8220020.
            // { LONG,     JAPAN,   "\u4ee4\u548c" },
            { LONG,     US,      "Reiwa" },
            { LONG,     CHINA,   "Reiwa" },
            { SHORT,    JAPAN,   "\u4ee4\u548c" },
            { SHORT,    US,      "Reiwa" },
            { SHORT,    CHINA,   "R" },
        };

    public static void main(String[] args) {
        for (Object[] data : names) {
            if(!c.getDisplayName(ERA, (int)data[0], (Locale)data[1])
            .equals(data[2])) {
                throw new RuntimeException("JapaneseEraNameTest failed for " +
                  String.format("%1$s %2$s %3$s", data[0], data[1], data[2]));
            }
        }
    }
}