83 lines
3.1 KiB
Java
83 lines
3.1 KiB
Java
/*
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* Copyright (c) 2024, 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 8321545
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* @library /java/text/testlib
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* @summary Ensure value returned by overridden toString method is as expected
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* @run junit ToStringTest
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*/
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import java.io.InputStream;
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import java.io.ObjectInputStream;
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import java.text.DateFormat;
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import java.text.DateFormatSymbols;
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import java.text.SimpleDateFormat;
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import java.util.Locale;
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import org.junit.jupiter.api.Test;
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import static org.junit.jupiter.api.Assertions.assertEquals;
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public class ToStringTest {
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// Check a normal expected value
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@Test
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public void normalValueTest() {
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String expectedStr =
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"SimpleDateFormat [locale: \"English (Canada)\", pattern: \"MMM d, y\"]\n";
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var s = DateFormat.getDateInstance(DateFormat.DEFAULT, Locale.CANADA);
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assertEquals(expectedStr, s.toString());
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}
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// Check an odd value. SimpleDateFormat constructor that takes DFS, will use
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// the default locale, not the locale from the DFS.
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@Test
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public void oddValueTest() {
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String expectedStr =
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"SimpleDateFormat [locale: \"" + Locale.getDefault().getDisplayName() + "\", pattern: \"MMM d, y\"]\n";
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var s = new SimpleDateFormat("MMM d, y", new DateFormatSymbols(Locale.JAPAN));
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assertEquals(expectedStr, s.toString());
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}
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// Check the expected value when the locale is null. This is only possible
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// via an older SimpleDateFormat that was deserialized. The current constructor
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// will throw NPE if locale is null.
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@Test
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public void nullLocaleTest() {
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String expectedStr =
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"SimpleDateFormat [locale: null, pattern: \"yyyy.MM.dd E hh.mm.ss zzz\"]\n";
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// Borrowed from DateFormatSymbolsSerializationTest
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SimpleDateFormat s;
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try (InputStream is = HexDumpReader.getStreamFromHexDump("SDFserialized.ser.txt");
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ObjectInputStream iStream = new ObjectInputStream(is)) {
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s = (SimpleDateFormat)iStream.readObject();
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assertEquals(expectedStr, s.toString());
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} catch (Exception e) {
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System.out.println("Error building stream from deserialized simple date format");
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}
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}
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}
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