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/*
* Copyright (c) 2020, 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 8248434
* @modules jdk.localedata
* @run testng/othervm CaseInsensitiveParseTest
* @summary Checks format/parse round trip in case-insensitive manner.
*/
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Arrays;
import java.util.Date;
import java.util.Locale;
import java.util.stream.Stream;
import static org.testng.Assert.assertEquals;
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;
public class CaseInsensitiveParseTest {
private final static String PATTERN = "GGGG/yyyy/MMMM/dddd/hhhh/mmmm/ss/aaaa";
private final static Date EPOCH = new Date(0L);
@DataProvider
private Object[][] locales() {
return (Object[][])Arrays.stream(DateFormat.getAvailableLocales())
.map(Stream::of)
.map(Stream::toArray)
.toArray(Object[][]::new);
}
@Test(dataProvider = "locales")
public void testUpperCase(Locale loc) throws ParseException {
SimpleDateFormat sdf = new SimpleDateFormat(PATTERN, loc);
String formatted = sdf.format(EPOCH);
assertEquals(sdf.parse(formatted.toUpperCase(Locale.ROOT)), EPOCH,
"roundtrip failed for string '" + formatted + "', locale: " + loc);
}
@Test(dataProvider = "locales")
public void testLowerCase(Locale loc) throws ParseException {
SimpleDateFormat sdf = new SimpleDateFormat(PATTERN, loc);
String formatted = sdf.format(EPOCH);
assertEquals(sdf.parse(formatted.toLowerCase(Locale.ROOT)), EPOCH,
"roundtrip failed for string '" + formatted + "', locale: " + loc);
}
}
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