SimpleDateFormat must not be used by concurrent threads without synchronization for parsing or formating dates as it is not thread-safe (internally holds a calendar instance that is not synchronized). Prefer now DateTimeFormatter when possible as it is thread-safe without concurrent access performance bottleneck (does not internally use synchronization locks).pull/186/head
luccioman
6 years ago
parent
38a3a5e5ad
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// GenericFormatterTest.java
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// Copyright 2018 by luccioman; https://github.com/luccioman
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//
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// This is a part of YaCy, a peer-to-peer based web search engine
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//
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// LICENSE
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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package net.yacy.cora.date;
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import java.text.SimpleDateFormat;
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import java.time.Instant;
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import java.util.Date;
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import org.junit.Assert;
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import org.junit.Test;
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/**
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* Unit tests for the {@link GenericFormatter} class.
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*/
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public class GenericFormatterTest {
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/**
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* Check that the date patterns are properly written : no error should occur
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* when using them for formatting and parsing.
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*/
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@Test
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public void testFormats() {
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final Instant time = Instant.parse("2018-06-28T10:49:35.726Z");
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String formatted = GenericFormatter.FORMAT_SHORT_DAY.format(time);
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System.out.println("GenericFormatter.FORMAT_SHORT_DAY : " + formatted);
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SimpleDateFormat oldApiFormat = GenericFormatter.newShortDayFormat();
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Assert.assertEquals(oldApiFormat.format(Date.from(time)), formatted);
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GenericFormatter.FORMAT_SHORT_DAY.parse("20180628");
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formatted = GenericFormatter.FORMAT_SHORT_MINUTE.format(time);
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System.out.println("GenericFormatter.FORMAT_SHORT_MINUTE : " + formatted);
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oldApiFormat = GenericFormatter.newShortMinuteFormat();
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Assert.assertEquals(oldApiFormat.format(Date.from(time)), formatted);
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GenericFormatter.FORMAT_SHORT_MINUTE.parse("201806281407");
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formatted = GenericFormatter.FORMAT_SHORT_SECOND.format(time);
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System.out.println("GenericFormatter.FORMAT_SHORT_SECOND : " + formatted);
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oldApiFormat = GenericFormatter.newShortSecondFormat();
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Assert.assertEquals(oldApiFormat.format(Date.from(time)), formatted);
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GenericFormatter.FORMAT_SHORT_SECOND.parse("20180628140713");
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formatted = GenericFormatter.FORMAT_SHORT_MILSEC.format(time);
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System.out.println("GenericFormatter.FORMAT_SHORT_MILSEC : " + formatted);
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oldApiFormat = GenericFormatter.newShortMilsecFormat();
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Assert.assertEquals(oldApiFormat.format(Date.from(time)), formatted);
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GenericFormatter.FORMAT_SHORT_MILSEC.parse("20180628140713921");
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formatted = GenericFormatter.FORMAT_RFC1123_SHORT.format(time);
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System.out.println("GenericFormatter.FORMAT_RFC1123_SHORT : " + formatted);
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oldApiFormat = GenericFormatter.newRfc1123ShortFormat();
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Assert.assertEquals(oldApiFormat.format(Date.from(time)), formatted);
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GenericFormatter.FORMAT_RFC1123_SHORT.parse("Thu, 28 Jun 2018");
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formatted = GenericFormatter.FORMAT_ANSIC.format(time);
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System.out.println("GenericFormatter.FORMAT_ANSIC : " + formatted);
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oldApiFormat = GenericFormatter.newAnsicFormat();
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Assert.assertEquals(oldApiFormat.format(Date.from(time)), formatted);
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GenericFormatter.FORMAT_ANSIC.parse("Thu Jun 28 15:48:17 2018");
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formatted = GenericFormatter.FORMAT_SIMPLE.format(time);
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System.out.println("GenericFormatter.FORMAT_SIMPLE : " + formatted);
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oldApiFormat = GenericFormatter.newSimpleDateFormat();
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Assert.assertEquals(oldApiFormat.format(Date.from(time)), formatted);
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GenericFormatter.FORMAT_SIMPLE.parse("2018/06/28 15:27:45");
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}
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}
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