russell@unturf.com
0a580b313d
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
76 lines
2.8 KiB
Java
76 lines
2.8 KiB
Java
/*
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* Copyright (c) 2020, 2025, 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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* @test
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* @bug 8248434
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* @modules jdk.localedata
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* @summary Checks format/parse round trip in case-insensitive manner.
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* @run junit/othervm CaseInsensitiveParseTest
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*/
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import org.junit.jupiter.api.TestInstance;
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import org.junit.jupiter.params.ParameterizedTest;
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import org.junit.jupiter.params.provider.MethodSource;
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import java.text.DateFormat;
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import java.text.ParseException;
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import java.text.SimpleDateFormat;
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import java.util.Arrays;
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import java.util.Date;
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import java.util.Locale;
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import java.util.stream.Stream;
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import static org.junit.jupiter.api.Assertions.assertEquals;
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@TestInstance(TestInstance.Lifecycle.PER_CLASS)
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public class CaseInsensitiveParseTest {
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private final static String PATTERN = "GGGG/yyyy/MMMM/dddd/hhhh/mmmm/ss/aaaa";
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private final static Date EPOCH = new Date(0L);
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Object[][] locales() {
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return (Object[][])Arrays.stream(DateFormat.getAvailableLocales())
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.map(Stream::of)
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.map(Stream::toArray)
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.toArray(Object[][]::new);
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}
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@ParameterizedTest
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@MethodSource("locales")
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void testUpperCase(Locale loc) throws ParseException {
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SimpleDateFormat sdf = new SimpleDateFormat(PATTERN, loc);
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String formatted = sdf.format(EPOCH);
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assertEquals(EPOCH, sdf.parse(formatted.toUpperCase(Locale.ROOT)),
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"roundtrip failed for string '" + formatted + "', locale: " + loc);
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}
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@ParameterizedTest
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@MethodSource("locales")
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void testLowerCase(Locale loc) throws ParseException {
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SimpleDateFormat sdf = new SimpleDateFormat(PATTERN, loc);
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String formatted = sdf.format(EPOCH);
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assertEquals(EPOCH, sdf.parse(formatted.toLowerCase(Locale.ROOT)),
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"roundtrip failed for string '" + formatted + "', locale: " + loc);
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}
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}
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