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products/Sources/formale Sprachen/Java/Openjdk/test/jdk/java/util/Locale/ (Sun/Oracle ^©) Datei vom 13.11.2022 mit Größe 4 kB

Quelle Bug8032842.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.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 8032842 8175539
* @summary Checks that the filterTags() and lookup() methods
*          preserve the case of matching language tag(s).
*          Before 8032842 fix these methods return the matching
*          language tag(s) in lowercase.
*          Also, checks the filterTags() to return only unique
*          (ignoring case considerations) matching tags.
*
*/

import java.util.List;
import java.util.Locale;
import java.util.Locale.FilteringMode;
import java.util.Locale.LanguageRange;

public class Bug8032842 {

    public static void main(String[] args) {

        // test filterBasic() for preserving the case of matching tags for
        // the language range '*', with no duplicates in the matching tags
        testFilter("*", List.of("de-CH", "hi-in", "En-GB", "ja-Latn-JP",
                "JA-JP", "en-GB"),
                List.of("de-CH", "hi-in", "En-GB", "ja-Latn-JP", "JA-JP"),
                FilteringMode.AUTOSELECT_FILTERING);

        // test filterBasic() for preserving the case of matching tags for
        // basic ranges other than *, with no duplicates in the matching tags
        testFilter("mtm-RU, en-GB", List.of("En-Gb", "mTm-RU", "en-US",
                "en-latn", "en-GB"),
                List.of("mTm-RU", "En-Gb"), FilteringMode.AUTOSELECT_FILTERING);

        // test filterExtended() for preserving the case of matching tags for
        // the language range '*', with no duplicates in the matching tags
        testFilter("*", List.of("de-CH", "hi-in", "En-GB", "hi-IN",
                "ja-Latn-JP", "JA-JP"),
                List.of("de-CH", "hi-in", "En-GB", "ja-Latn-JP", "JA-JP"),
                FilteringMode.EXTENDED_FILTERING);

        // test filterExtended() for preserving the case of matching tags for
        // extended ranges other than *, with no duplicates in the matching tags
        testFilter("*-ch;q=0.5, *-Latn;q=0.4", List.of("fr-CH", "de-Ch",
                "en-latn", "en-US", "en-Latn"),
                List.of("fr-CH", "de-Ch", "en-latn"),
                FilteringMode.EXTENDED_FILTERING);

        // test lookupTag() for preserving the case of matching tag
        testLookup("*-ch;q=0.5", List.of("en", "fR-cH"), "fR-cH");

    }

    public static void testFilter(String ranges, List<String> tags,
            List<String> expected, FilteringMode mode) {
        List<LanguageRange> priorityList = LanguageRange.parse(ranges);
        List<String> actual = Locale.filterTags(priorityList, tags, mode);
        if (!actual.equals(expected)) {
            throw new RuntimeException("[filterTags() failed for the language"
                    + " range: " + ranges + ", Expected: " + expected
                    + ", Found: " + actual + "]");
        }
    }

    public static void testLookup(String ranges, List<String> tags,
            String expected) {
        List<LanguageRange> priorityList = LanguageRange.parse(ranges);
        String actual = Locale.lookupTag(priorityList, tags);
        if (!actual.equals(expected)) {
            throw new RuntimeException("[lookupTag() failed for the language"
                    + " range: " + ranges + ", Expected: " + expected
                    + ", Found: " + actual + "]");
        }
    }

}

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