jdk-24/test/jdk/java/util/Locale/SubsequentRangeParsingTest.java
2023-07-28 16:27:06 +00:00

82 lines
3.0 KiB
Java

/*
* Copyright (c) 2016, 2023, 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
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* questions.
*/
/*
* @test
* @bug 8166994
* @summary Checks the subsequent call to parse the same language ranges
* which must generate the same list of language ranges
* i.e. the priority list containing equivalents, as in the
* first call
* @run junit SubsequentRangeParsingTest
*/
import java.util.Arrays;
import java.util.List;
import java.util.Locale;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.Arguments;
import org.junit.jupiter.params.provider.MethodSource;
import static org.junit.jupiter.api.Assertions.assertEquals;
public class SubsequentRangeParsingTest {
/*
* Checks that consecutive calls to parse the same language ranges
* generate the same list of language ranges.
*/
@ParameterizedTest
@MethodSource("ranges")
public void parseConsistencyTest(List<String> list, String ranges) {
// consecutive call to check the language range parse consistency
testParseConsistency(list, ranges);
testParseConsistency(list, ranges);
}
// Ensure that parsing the ranges returns the expected list.
private static void testParseConsistency(List<String> list, String ranges) {
List<String> priorityList = parseRanges(ranges);
assertEquals(list, priorityList, "Failed to parse the language range:");
}
private static List<String> parseRanges(String s) {
return Locale.LanguageRange.parse(s).stream()
.map(Locale.LanguageRange::getRange)
.collect(Collectors.toList());
}
// Ranges that have multiple equivalents and single equivalents.
private static Stream<Arguments> ranges() {
return Stream.of(
Arguments.of(Arrays.asList("ccq-aa", "ybd-aa", "rki-aa"),
"ccq-aa"),
Arguments.of(Arrays.asList("gfx-xz", "oun-xz", "mwj-xz",
"vaj-xz", "taj-xy", "tsf-xy"), "gfx-xz, taj-xy")
);
}
}