jdk/test/java/util/PluggableLocale/CalendarNameProviderTest.java
author okutsu
Mon, 12 Nov 2012 11:12:29 +0900
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8000986: Split java.util.spi.CalendarDataProvider into week parameters and field names portions Reviewed-by: naoto
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/*
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 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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/*
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 *
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 */
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import java.text.*;
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import java.util.*;
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import static java.util.Calendar.*;
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import sun.util.locale.provider.*;
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import sun.util.resources.*;
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import com.bar.CalendarNameProviderImpl;
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/**
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 * Test case for CalendarNameProvider.
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 *
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 * Test strategy:
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 * com.bar.CalendarNameProviderImpl supports only ja_JP_kids locale. It returns
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 * month names only in full-width digits, followed by "gatsu" in Hiragana if
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 * it's a long style. The standalone styles are used because DateFormatSymbols
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 * has precedence for the format styles.
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 *
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 * Calendar.getDisplayName(s) should be called with kids to get the month
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 * names provided by com.bar.CalendarNameProviderImpl. Other display names
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 * should be the same as what a Calendar constructed with ja_JP returns.
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 */
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public class CalendarNameProviderTest {
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    public static void main(String[] s) {
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        new CalendarNameProviderTest().test();
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    }
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    void test() {
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        Locale kids = new Locale("ja", "JP", "kids"); // test provider's supported locale
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        Calendar kcal = Calendar.getInstance(kids);
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        Calendar jcal = Calendar.getInstance(Locale.JAPAN);
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        // check month names and week day names
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        Map<String, Integer> mapAllStyles = new HashMap<>();
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        for (int style : new int[] { SHORT_STANDALONE, LONG_STANDALONE }) {
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            // Check month names provided by com.bar.CalendarNameProviderImpl
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            Map<String, Integer> map = new HashMap<>();
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            for (int month = JANUARY; month <= DECEMBER; month++) {
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                kcal.set(DAY_OF_MONTH, 1);
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                kcal.set(MONTH, month);
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                kcal.set(HOUR_OF_DAY, 12); // avoid any standard-daylight transitions...
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                kcal.getTimeInMillis();
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                String name = kcal.getDisplayName(MONTH, style, kids);
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                checkResult("Month name",
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                            name,
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                            CalendarNameProviderImpl.toMonthName(kcal.get(MONTH) + 1, style));
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                // Builds the map with name to its integer value.
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                map.put(name, kcal.get(MONTH));
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            }
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            checkResult((style == SHORT_STANDALONE ? "Short" : "Long") + " month names map",
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                        kcal.getDisplayNames(MONTH, style, kids), map);
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            mapAllStyles.putAll(map);
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            if (style == LONG_STANDALONE) {
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                checkResult("Short and long month names map",
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                            kcal.getDisplayNames(MONTH, ALL_STYLES, kids), mapAllStyles);
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            }
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            // Check week names: kcal and jcal should return the same names and maps.
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            for (int dow = SUNDAY; dow <= SATURDAY; dow++) {
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                kcal.set(DAY_OF_WEEK, dow);
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                jcal.setTimeInMillis(kcal.getTimeInMillis());
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                String name = kcal.getDisplayName(DAY_OF_WEEK, style, kids);
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                checkResult("Day of week name", name,
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                                                jcal.getDisplayName(DAY_OF_WEEK, style, Locale.JAPAN));
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            }
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            checkResult("Short day of week names", kcal.getDisplayNames(DAY_OF_WEEK, style, kids),
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                                                   jcal.getDisplayNames(DAY_OF_WEEK, style, Locale.JAPAN));
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        }
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    }
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    private <T> void checkResult(String msg, T got, T expected) {
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        if (!expected.equals(got)) {
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            String s = String.format("%s: got='%s', expected='%s'", msg, got, expected);
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            throw new RuntimeException(s);
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        }
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    }
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}