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Java example source code file (TestDateTimeFormatter.java)
The TestDateTimeFormatter.java Java example source code/* * Copyright (c) 2012, 2013, 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. */ /* * This file is available under and governed by the GNU General Public * License version 2 only, as published by the Free Software Foundation. * However, the following notice accompanied the original version of this * file: * * Copyright (c) 2008-2012, Stephen Colebourne & Michael Nascimento Santos * * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * * Neither the name of JSR-310 nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ package test.java.time.format; import static java.time.temporal.ChronoField.DAY_OF_MONTH; import static org.testng.Assert.assertSame; import static org.testng.Assert.assertTrue; import static org.testng.Assert.fail; import java.time.DateTimeException; import java.time.DayOfWeek; import java.time.Instant; import java.time.LocalDate; import java.time.LocalDateTime; import java.time.LocalTime; import java.time.Month; import java.time.MonthDay; import java.time.OffsetDateTime; import java.time.OffsetTime; import java.time.Year; import java.time.YearMonth; import java.time.ZoneId; import java.time.ZoneOffset; import java.time.ZonedDateTime; import java.time.chrono.ThaiBuddhistChronology; import java.time.format.DateTimeFormatter; import java.time.format.DateTimeFormatterBuilder; import java.time.format.DecimalStyle; import java.time.format.SignStyle; import java.time.temporal.TemporalAccessor; import java.util.Locale; import java.util.function.Function; import org.testng.annotations.Test; /** * Test DateTimeFormatter. */ @Test public class TestDateTimeFormatter { @Test public void test_withLocale_same() throws Exception { DateTimeFormatter base = new DateTimeFormatterBuilder().appendLiteral("ONE") .appendValue(DAY_OF_MONTH, 1, 2, SignStyle.NOT_NEGATIVE) .toFormatter(Locale.ENGLISH) .withDecimalStyle(DecimalStyle.STANDARD); DateTimeFormatter test = base.withLocale(Locale.ENGLISH); assertSame(test, base); } @Test public void test_parse_errorMessage() throws Exception { assertGoodErrorDate(DayOfWeek::from, "DayOfWeek"); assertGoodErrorDate(Month::from, "Month"); assertGoodErrorDate(YearMonth::from, "YearMonth"); assertGoodErrorDate(MonthDay::from, "MonthDay"); assertGoodErrorDate(LocalDate::from, "LocalDate"); assertGoodErrorDate(LocalTime::from, "LocalTime"); assertGoodErrorDate(LocalDateTime::from, "LocalDateTime"); assertGoodErrorDate(OffsetTime::from, "OffsetTime"); assertGoodErrorDate(OffsetDateTime::from, "OffsetDateTime"); assertGoodErrorDate(ZonedDateTime::from, "ZonedDateTime"); assertGoodErrorDate(Instant::from, "Instant"); assertGoodErrorDate(ZoneOffset::from, "ZoneOffset"); assertGoodErrorDate(ZoneId::from, "ZoneId"); assertGoodErrorDate(ThaiBuddhistChronology.INSTANCE::date, ""); assertGoodErrorTime(DayOfWeek::from, "DayOfWeek"); assertGoodErrorTime(Month::from, "Month"); assertGoodErrorTime(Year::from, "Year"); assertGoodErrorTime(YearMonth::from, "YearMonth"); assertGoodErrorTime(MonthDay::from, "MonthDay"); assertGoodErrorTime(LocalDate::from, "LocalDate"); assertGoodErrorTime(LocalTime::from, "LocalTime"); assertGoodErrorTime(LocalDateTime::from, "LocalDateTime"); assertGoodErrorTime(OffsetTime::from, "OffsetTime"); assertGoodErrorTime(OffsetDateTime::from, "OffsetDateTime"); assertGoodErrorTime(ZonedDateTime::from, "ZonedDateTime"); assertGoodErrorTime(Instant::from, "Instant"); assertGoodErrorTime(ZoneOffset::from, "ZoneOffset"); assertGoodErrorTime(ZoneId::from, "ZoneId"); assertGoodErrorTime(ThaiBuddhistChronology.INSTANCE::date, ""); } private void assertGoodErrorDate(Function<TemporalAccessor, Object> function, String expectedText) { DateTimeFormatter f = DateTimeFormatter.ofPattern("yyyy-mm-dd"); TemporalAccessor temporal = f.parse("2010-06-30"); try { function.apply(temporal); fail("Should have failed"); } catch (DateTimeException ex) { String msg = ex.getMessage(); assertTrue(msg.contains(expectedText), msg); assertTrue(msg.contains("Year"), msg); assertTrue(msg.contains("MinuteOfHour"), msg); assertTrue(msg.contains("DayOfMonth"), msg); } } private void assertGoodErrorTime(Function<TemporalAccessor, Object> function, String expectedText) { DateTimeFormatter f = DateTimeFormatter.ofPattern("HH:MM:ss"); TemporalAccessor temporal = f.parse("11:30:56"); try { function.apply(temporal); fail("Should have failed"); } catch (DateTimeException ex) { String msg = ex.getMessage(); assertTrue(msg.contains(expectedText), msg); assertTrue(msg.contains("HourOfDay"), msg); assertTrue(msg.contains("MonthOfYear"), msg); assertTrue(msg.contains("SecondOfMinute"), msg); } } @Test public void test_parsed_toString_resolvedTime() { DateTimeFormatter f = DateTimeFormatter.ofPattern("HH:mm:ss"); TemporalAccessor temporal = f.parse("11:30:56"); String msg = temporal.toString(); assertTrue(msg.contains("11:30:56"), msg); } @Test public void test_parsed_toString_resolvedDate() { DateTimeFormatter f = DateTimeFormatter.ofPattern("yyyy-MM-dd"); TemporalAccessor temporal = f.parse("2010-06-30"); String msg = temporal.toString(); assertTrue(msg.contains("2010-06-30"), msg); } @Test public void test_parsed_toString_resolvedDateTime() { DateTimeFormatter f = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss"); TemporalAccessor temporal = f.parse("2010-06-30 11:30:56"); String msg = temporal.toString(); assertTrue(msg.contains("2010-06-30"), msg); assertTrue(msg.contains("11:30:56"), msg); } } Other Java examples (source code examples)Here is a short list of links related to this Java TestDateTimeFormatter.java source code file: |
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