Quelle CalendarTests.java Sprache: JAVA

/*
* Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* 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
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 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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* questions.
*/

/*
*
* @test
* @bug 8176841
* @summary Tests Calendar class deals with Unicode extensions
*      correctly.
* @modules jdk.localedata
* @run testng/othervm CalendarTests
*/

import static org.testng.Assert.assertEquals;

import java.text.DateFormat;
import java.util.Calendar;
import java.util.Locale;
import java.util.TimeZone;

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

/**
* Test Calendar with BCP47 U extensions
*/
@Test
public class CalendarTests {
    private static TimeZone defaultTZ;

    private static final TimeZone ASIATOKYO = TimeZone.getTimeZone("Asia/Tokyo");
    private static final TimeZone AMLA = TimeZone.getTimeZone("America/Los_Angeles");

    private static final Locale JPTYO = Locale.forLanguageTag("en-u-tz-jptyo");
    private static final Locale USLAX = Locale.forLanguageTag("en-u-tz-uslax");

    private static final Locale FW_SUN = Locale.forLanguageTag("en-US-u-fw-sun");
    private static final Locale FW_MON = Locale.forLanguageTag("en-US-u-fw-mon");
    private static final Locale FW_TUE = Locale.forLanguageTag("en-US-u-fw-tue");
    private static final Locale FW_WED = Locale.forLanguageTag("en-US-u-fw-wed");
    private static final Locale FW_THU = Locale.forLanguageTag("en-US-u-fw-thu");
    private static final Locale FW_FRI = Locale.forLanguageTag("en-US-u-fw-fri");
    private static final Locale FW_SAT = Locale.forLanguageTag("en-US-u-fw-sat");

    @BeforeTest
    public void beforeTest() {
        defaultTZ = TimeZone.getDefault();
        TimeZone.setDefault(AMLA);
    }

    @AfterTest
    public void afterTest() {
        TimeZone.setDefault(defaultTZ);
    }

    @DataProvider(name="tz")
    Object[][] tz() {
        return new Object[][] {
            // Locale, Expected Zone,
            {JPTYO, ASIATOKYO},
            {USLAX, AMLA},

            // invalid
            {Locale.forLanguageTag("en-US-u-tz-jpzzz"), AMLA}
        };
    }

    @DataProvider(name="firstDayOfWeek")
    Object[][] firstDayOfWeek () {
        return new Object[][] {
            // Locale, Expected DayOfWeek,
            {Locale.US, Calendar.SUNDAY},
            {FW_SUN, Calendar.SUNDAY},
            {FW_MON, Calendar.MONDAY},
            {FW_TUE, Calendar.TUESDAY},
            {FW_WED, Calendar.WEDNESDAY},
            {FW_THU, Calendar.THURSDAY},
            {FW_FRI, Calendar.FRIDAY},
            {FW_SAT, Calendar.SATURDAY},

            // invalid case
            {Locale.forLanguageTag("en-US-u-fw-xxx"), Calendar.SUNDAY},

            // region override
            {Locale.forLanguageTag("en-US-u-rg-gbzzzz"), Calendar.MONDAY},
            {Locale.forLanguageTag("zh-CN-u-rg-eszzzz"), Calendar.MONDAY},

            // "fw" and "rg".
            {Locale.forLanguageTag("en-US-u-fw-wed-rg-gbzzzz"), Calendar.WEDNESDAY},
            {Locale.forLanguageTag("en-US-u-fw-xxx-rg-gbzzzz"), Calendar.MONDAY},
            {Locale.forLanguageTag("en-US-u-fw-xxx-rg-zzzz"), Calendar.SUNDAY},
        };
    }

    @DataProvider(name="minDaysInFirstWeek")
    Object[][] minDaysInFrstWeek () {
        return new Object[][] {
            // Locale, Expected minDay,
            {Locale.US, 1},

            // region override
            {Locale.forLanguageTag("en-US-u-rg-gbzzzz"), 4},
            {Locale.forLanguageTag("zh-CN-u-rg-eszzzz"), 4},
        };
    }

    @Test(dataProvider="tz")
    public void test_tz(Locale locale, TimeZone zoneExpected) {
        DateFormat df = DateFormat.getTimeInstance(DateFormat.FULL, locale);
        assertEquals(df.getTimeZone(), zoneExpected);

        Calendar c = Calendar.getInstance(locale);
        assertEquals(c.getTimeZone(), zoneExpected);

        c = new Calendar.Builder().setLocale(locale).build();
        assertEquals(c.getTimeZone(), zoneExpected);
    }

    @Test(dataProvider="firstDayOfWeek")
    public void test_firstDayOfWeek(Locale locale, int dowExpected) {
        Calendar c = Calendar.getInstance(locale);
        assertEquals(c.getFirstDayOfWeek(), dowExpected);

        c = new Calendar.Builder().setLocale(locale).build();
        assertEquals(c.getFirstDayOfWeek(), dowExpected);
    }

    @Test(dataProvider="minDaysInFirstWeek")
    public void test_minDaysInFirstWeek(Locale locale, int minDaysExpected) {
        Calendar c = Calendar.getInstance(locale);
        assertEquals(c.getMinimalDaysInFirstWeek(), minDaysExpected);

        c = new Calendar.Builder().setLocale(locale).build();
        assertEquals(c.getMinimalDaysInFirstWeek(), minDaysExpected);
    }
}

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