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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * 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
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 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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/*
 * @test
 * @bug 8154520
 * @summary This test verifies that the localized text for "GMT" from CLDR is 
 * applied/recognized during printing/parsing timestamps. For example, the 
 * localized text for "GMT" on some particular locale may be "UTC", and the 
 * resulting formatted string should have UTC+<offset> (instead of GMT+<offset>). 
 * Since the test relies on CLDR data, the "expected" text in the test data may 
 * require to be modified in accordance with changes to CLDR, if any. 
 * @modules jdk.localedata
 */

package test.java.time.format;

import static org.testng.Assert.assertEquals;

import java.time.LocalDateTime;
import java.time.OffsetDateTime;
import java.time.ZoneOffset;
import java.time.ZonedDateTime;
import java.time.format.DateTimeFormatter;
import java.time.format.DateTimeFormatterBuilder;
import java.time.format.TextStyle;
import java.util.Locale;
import java.util.Objects;

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

/**
 * Test DateTimeFormatterBuilder.appendOffset().
 */
@Test
public class TestLocalizedOffsetPrinterParser {

    private static final LocalDateTime DT_2012_06_30_12_30_40 = LocalDateTime.of(2012, 6, 30, 12, 30, 40);
    
    private static final ZoneOffset OFFSET_UTC = ZoneOffset.UTC;
    private static final ZoneOffset OFFSET_P012345 = ZoneOffset.ofHoursMinutesSeconds(1, 23, 45);
    private static final ZoneOffset OFFSET_P000045 = ZoneOffset.ofHoursMinutesSeconds(0, 0, 45);
    private static final ZoneOffset OFFSET_M0100 = ZoneOffset.ofHours(-1);
    private static final ZoneOffset OFFSET_M0123 = ZoneOffset.ofHoursMinutes(-1, -23);
    private static final ZoneOffset OFFSET_M012345 = ZoneOffset.ofHoursMinutesSeconds(-1, -23, -45);
    private static final ZoneOffset OFFSET_M000045 = ZoneOffset.ofHoursMinutesSeconds(0, 0, -45);

    @DataProvider(name="print_localized_custom_locale")
    Object[][] data_print_localized_custom_locale() {
        return new Object[][] {
                {TextStyle.SHORT, DT_2012_06_30_12_30_40, OFFSET_M0123, new Locale("am"), "\u1302 \u12a4\u121d \u1272-1:23"},
                {TextStyle.FULL, DT_2012_06_30_12_30_40, OFFSET_M0100, new Locale("ar"), "\u063a\u0631\u064a\u0646\u062a\u0634-01:00"},
                {TextStyle.FULL, DT_2012_06_30_12_30_40, OFFSET_P012345, new Locale("bg"), "\u0413\u0440\u0438\u043d\u0443\u0438\u0447+01:23:45"},
                {TextStyle.FULL, DT_2012_06_30_12_30_40, OFFSET_M000045, Locale.CHINESE, "GMT-00:00:45"},
                {TextStyle.FULL, DT_2012_06_30_12_30_40, OFFSET_P012345, Locale.ENGLISH, "GMT+01:23:45"},
                {TextStyle.SHORT, DT_2012_06_30_12_30_40, OFFSET_M012345, new Locale("eo"), "GMT-1:23:45"},
                {TextStyle.FULL, DT_2012_06_30_12_30_40, OFFSET_P000045, Locale.FRANCE, "UTC+00:00:45"},
                {TextStyle.SHORT, DT_2012_06_30_12_30_40, OFFSET_M0100, new Locale("ga"), "MAG-1"},
                {TextStyle.SHORT, DT_2012_06_30_12_30_40, OFFSET_UTC, new Locale("km"), "\u1798\u17c9\u17c4\u1784\u200b\u179f\u1780\u179b"},
                {TextStyle.FULL, DT_2012_06_30_12_30_40, OFFSET_UTC, new Locale("ml"), "\u0d1c\u0d3f\u0d0e\u0d02\u0d1f\u0d3f"},
                {TextStyle.FULL, DT_2012_06_30_12_30_40, OFFSET_P012345, new Locale("mr"), "[GMT]+01:23:45"},
                {TextStyle.SHORT, DT_2012_06_30_12_30_40, OFFSET_P012345, new Locale("se"), "UTC+1:23:45"},
                {TextStyle.FULL, DT_2012_06_30_12_30_40, OFFSET_M0100, new Locale("yo", "BJ"), "WAT-01:00"}
        };
    }

    @Test(dataProvider="print_localized_custom_locale")
    public void test_print_localized_custom_locale(TextStyle style, LocalDateTime ldt, ZoneOffset offset, Locale locale, String expected) {
        
        Objects.requireNonNull(locale, "Locale must not be null");
        
        OffsetDateTime odt = OffsetDateTime.of(ldt, offset);
        ZonedDateTime zdt = ldt.atZone(offset);
        
        DateTimeFormatter f = new DateTimeFormatterBuilder().appendLocalizedOffset(style).toFormatter(locale);
        assertEquals(f.format(odt), expected);
        assertEquals(f.format(zdt), expected);
        assertEquals(f.parse(expected, ZoneOffset::from), offset);

        if (style == TextStyle.FULL) {
            f = new DateTimeFormatterBuilder().appendPattern("ZZZZ").toFormatter(locale);
            assertEquals(f.format(odt), expected);
            assertEquals(f.format(zdt), expected);
            assertEquals(f.parse(expected, ZoneOffset::from), offset);

            f = new DateTimeFormatterBuilder().appendPattern("OOOO").toFormatter(locale);
            assertEquals(f.format(odt), expected);
            assertEquals(f.format(zdt), expected);
            assertEquals(f.parse(expected, ZoneOffset::from), offset);
        }

        if (style == TextStyle.SHORT) {
            f = new DateTimeFormatterBuilder().appendPattern("O").toFormatter(locale);
            assertEquals(f.format(odt), expected);
            assertEquals(f.format(zdt), expected);
            assertEquals(f.parse(expected, ZoneOffset::from), offset);
        }
        
    }

}