test/jdk/java/util/Locale/Bug8154797.java

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/*
 * @test
 * @bug 8154797
 * @modules java.base/sun.util.locale.provider
 *          java.base/sun.util.resources
 *          jdk.localedata
 * @summary Test for checking HourFormat and GmtFormat resources are retrieved from
 *  COMPAT and CLDR Providers.
*/

import java.util.HashMap;
import java.util.Locale;
import java.util.Map;
import java.util.ResourceBundle;
import sun.util.locale.provider.LocaleProviderAdapter.Type;
import sun.util.locale.provider.LocaleProviderAdapter;

public class Bug8154797 {
    static Map<String, String> expectedResourcesMap = new HashMap<>();
    static final String GMT_RESOURCE_KEY = "timezone.gmtFormat";
    static final String HMT_RESOURCE_KEY = "timezone.hourFormat";
    static final String GMT = "Gmt";
    static final String HMT = "Hmt";

    static void generateExpectedValues() {
        expectedResourcesMap.put("FR" + GMT, "UTC{0}");
        expectedResourcesMap.put("FR" + HMT, "+HH:mm;\u2212HH:mm");
        expectedResourcesMap.put("FI" + HMT, "+H.mm;-H.mm");
        expectedResourcesMap.put("FI" + GMT, "UTC{0}");
        /* For  root locale, en_US, de_DE, hi_IN, ja_JP,Root locale resources
        * should be returned.
         */
        expectedResourcesMap.put(GMT, "GMT{0}"); //Root locale resource
        expectedResourcesMap.put(HMT, "+HH:mm;-HH:mm"); //Root locale resource
    }

    static void compareResources(Locale loc) {
        String mapKeyHourFormat = HMT, mapKeyGmtFormat = GMT;
        ResourceBundle compatBundle, cldrBundle;
        compatBundle = LocaleProviderAdapter.forJRE().getLocaleResources(loc)
                .getJavaTimeFormatData();
        cldrBundle = LocaleProviderAdapter.forType(Type.CLDR)
                .getLocaleResources(loc).getJavaTimeFormatData();
        if (loc.getCountry() == "FR" || loc.getCountry() == "FI") {
            mapKeyHourFormat = loc.getCountry() + HMT;
            mapKeyGmtFormat = loc.getCountry() + GMT;
        }

        if (!(expectedResourcesMap.get(mapKeyGmtFormat)
                .equals(compatBundle.getString(GMT_RESOURCE_KEY))
                && expectedResourcesMap.get(mapKeyHourFormat)
                .equals(compatBundle.getString(HMT_RESOURCE_KEY))
                && expectedResourcesMap.get(mapKeyGmtFormat)
                .equals(cldrBundle.getString(GMT_RESOURCE_KEY))
                && expectedResourcesMap.get(mapKeyHourFormat)
                .equals(cldrBundle.getString(HMT_RESOURCE_KEY)))) {

            throw new RuntimeException("Retrieved resource does not match with "
                    + "  expected string for Locale " + compatBundle.getLocale());

        }

    }

    public static void main(String args[]) {
        Bug8154797.generateExpectedValues();
        Locale[] locArr = {new Locale("hi", "IN"), Locale.UK, new Locale("fi", "FI"),
                           Locale.ROOT, Locale.GERMAN, Locale.JAPANESE,
                           Locale.ENGLISH, Locale.FRANCE};
        for (Locale loc : locArr) {
            Bug8154797.compareResources(loc);
        }
    }

}