jdk-24/test/jdk/java/util/Locale/bcp47u/DisplayNameTests.java

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/*
 *
 * @test
 * @bug 8176841 8202537
 * @summary Tests the display names for BCP 47 U extensions
 * @modules jdk.localedata
 * @run testng/othervm -Djava.locale.providers=CLDR DisplayNameTests
 */

import static org.testng.Assert.assertEquals;

import java.util.Locale;

import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;

/**
 * Test Locale.getDisplayName() with BCP47 U extensions. Note that the
 * result may change depending on the CLDR releases.
 */
@Test
public class DisplayNameTests {
    private static final Locale loc1 = Locale.forLanguageTag("en-Latn-US-u" +
                                                             "-ca-japanese" +
                                                             "-cf-account" +
                                                             "-co-pinyin" +
                                                             "-cu-jpy" +
                                                             "-em-emoji" +
                                                             "-fw-wed" +
                                                             "-hc-h23" +
                                                             "-lb-loose" +
                                                             "-lw-breakall" +
                                                             "-ms-uksystem" +
                                                             "-nu-roman" +
                                                             "-rg-gbzzzz" +
                                                             "-sd-gbsct" +
                                                             "-ss-standard" +
                                                             "-tz-jptyo" +
                                                             "-va-posix");
    private static final Locale loc2 = Locale.of("ja", "JP", "JP");
    private static final Locale loc3 = new Locale.Builder()
                                            .setRegion("US")
                                            .setScript("Latn")
                                            .setUnicodeLocaleKeyword("ca", "japanese")
                                            .build();
    private static final Locale loc4 = new Locale.Builder()
                                            .setRegion("US")
                                            .setUnicodeLocaleKeyword("ca", "japanese")
                                            .build();
    private static final Locale loc5 = new Locale.Builder()
                                            .setUnicodeLocaleKeyword("ca", "japanese")
                                            .build();
    private static final Locale loc6 = Locale.forLanguageTag( "zh-CN-u-ca-dddd-nu-ddd-cu-ddd-fw-moq-tz-unknown-rg-twzz");

    @DataProvider(name="locales")
    Object[][] tz() {
        return new Object[][] {
            // Locale for display, Test Locale, Expected output,
            {Locale.US, loc1,
            "English (Latin, United States, Japanese Calendar, Accounting Currency Format, Pinyin Sort Order, Currency: Japanese Yen, Prefer Emoji Presentation For Emoji Characters, First Day of Week Is Wednesday, 24 Hour System (0\u201323), Loose Line Break Style, Allow Line Breaks In All Words, Imperial Measurement System, Roman Numerals, Region For Supplemental Data: United Kingdom, Region Subdivision: gbsct, Suppress Sentence Breaks After Standard Abbreviations, Time Zone: Japan Time, POSIX Compliant Locale)"},
            {Locale.JAPAN, loc1,
            "\u82f1\u8a9e (\u30e9\u30c6\u30f3\u6587\u5b57\u3001\u30a2\u30e1\u30ea\u30ab\u5408\u8846\u56fd\u3001\u548c\u66a6\u3001\u4f1a\u8a08\u901a\u8ca8\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3001\u30d4\u30f3\u30a4\u30f3\u9806\u3001\u901a\u8ca8: \u65e5\u672c\u5186\u3001em: emoji\u3001fw: wed\u300124\u6642\u9593\u5236(0\u301c23)\u3001\u7981\u5247\u51e6\u7406(\u5f31)\u3001lw: breakall\u3001\u30e4\u30fc\u30c9\u30fb\u30dd\u30f3\u30c9\u6cd5\u3001\u30ed\u30fc\u30de\u6570\u5b57\u3001rg: \u30a4\u30ae\u30ea\u30b9\u3001sd: gbsct\u3001ss: standard\u3001\u30bf\u30a4\u30e0\u30be\u30fc\u30f3: \u65e5\u672c\u6642\u9593\u3001\u30ed\u30b1\u30fc\u30eb\u306e\u30d0\u30ea\u30a2\u30f3\u30c8: posix)"},
            {Locale.forLanguageTag("hi-IN"), loc1,
            "\u0905\u0902\u0917\u094d\u0930\u0947\u091c\u093c\u0940 (\u0932\u0948\u091f\u093f\u0928, \u0938\u0902\u092f\u0941\u0915\u094d\u0924 \u0930\u093e\u091c\u094d\u092f, \u091c\u093e\u092a\u093e\u0928\u0940 \u092a\u0902\u091a\u093e\u0902\u0917, \u0932\u0947\u0916\u093e\u0902\u0915\u0928 \u092e\u0941\u0926\u094d\u0930\u093e \u092a\u094d\u0930\u093e\u0930\u0942\u092a, \u092a\u093f\u0928\u092f\u093f\u0928 \u0935\u0930\u094d\u0917\u0940\u0915\u0930\u0923 \u0915\u094d\u0930\u092e, \u092e\u0941\u0926\u094d\u0930\u093e: \u091c\u093e\u092a\u093e\u0928\u0940 \u092f\u0947\u0928, em: emoji, fw: wed, 24 \u0918\u0902\u091f\u094b\u0902 \u0915\u0940 \u092a\u094d\u0930\u0923\u093e\u0932\u0940 (0\u201323), \u0922\u0940\u0932\u0940 \u092a\u0902\u0915\u094d\u0924\u093f \u0935\u093f\u091a\u094d\u091b\u0947\u0926 \u0936\u0948\u0932\u0940, lw: breakall, \u0907\u092e\u094d\u092a\u0940\u0930\u093f\u092f\u0932 \u092e\u093e\u092a\u0928 \u092a\u094d\u0930\u0923\u093e\u0932\u0940, \u0930\u094b\u092e\u0928 \u0938\u0902\u0916\u094d\u092f\u093e\u090f\u0901, rg: \u092f\u0942\u0928\u093e\u0907\u091f\u0947\u0921 \u0915\u093f\u0902\u0917\u0921\u092e, sd: gbsct, ss: standard, \u0938\u092e\u092f \u0915\u094d\u0937\u0947\u0924\u094d\u0930: \u091c\u093e\u092a\u093e\u0928 \u0938\u092e\u092f, \u0938\u094d\u0925\u093e\u0928\u0940\u092f \u092a\u094d\u0930\u0915\u093e\u0930: posix)"},

            // cases where no localized types are available. fall back to "key: type"
            {Locale.US, Locale.forLanguageTag("en-u-ca-unknown"), "English (Calendar: unknown)"},

            // cases with variant, w/o language, script
            {Locale.US, loc2, "Japanese (Japan, JP, Japanese Calendar)"},
            {Locale.US, loc3, "Latin (United States, Japanese Calendar)"},
            {Locale.US, loc4, "United States (Japanese Calendar)"},
            {Locale.US, loc5, ""},

            // invalid cases
            {loc6, loc6, "\u4e2d\u6587 (\u4e2d\u56fd\uff0c\u65e5\u5386\uff1adddd\uff0c\u8d27\u5e01\uff1addd\uff0cfw\uff1amoq\uff0c\u6570\u5b57\uff1addd\uff0crg\uff1atwzz\uff0c\u65f6\u533a\uff1aunknown)"},
            {Locale.US, loc6, "Chinese (China, Calendar: dddd, Currency: ddd, First day of week: moq, Numbers: ddd, Region For Supplemental Data: twzz, Time Zone: unknown)"},
        };
    }

    @Test(dataProvider="locales")
    public void test_locales(Locale inLocale, Locale testLocale, String expected) {
        String result = testLocale.getDisplayName(inLocale);
        assertEquals(result, expected);
    }
}