104 lines
3.9 KiB
Java
104 lines
3.9 KiB
Java
/*
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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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* This file is available under and governed by the GNU General Public
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* License version 2 only, as published by the Free Software Foundation.
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* However, the following notice accompanied the original version of this
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* file:
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*
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* Written by Doug Lea and Martin Buchholz with assistance from
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* members of JCP JSR-166 Expert Group and released to the public
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* domain, as explained at
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* http://creativecommons.org/publicdomain/zero/1.0/
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*/
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import static java.util.concurrent.TimeUnit.DAYS;
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import static java.util.concurrent.TimeUnit.HOURS;
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import static java.util.concurrent.TimeUnit.MICROSECONDS;
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import static java.util.concurrent.TimeUnit.MILLISECONDS;
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import static java.util.concurrent.TimeUnit.MINUTES;
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import static java.util.concurrent.TimeUnit.NANOSECONDS;
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import static java.util.concurrent.TimeUnit.SECONDS;
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import java.time.temporal.ChronoUnit;
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import java.util.concurrent.TimeUnit;
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import junit.framework.Test;
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import junit.framework.TestSuite;
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public class TimeUnit8Test extends JSR166TestCase {
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public static void main(String[] args) {
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main(suite(), args);
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}
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public static Test suite() {
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return new TestSuite(TimeUnit8Test.class);
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}
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/**
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* tests for toChronoUnit.
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*/
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public void testToChronoUnit() throws Exception {
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assertSame(ChronoUnit.NANOS, NANOSECONDS.toChronoUnit());
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assertSame(ChronoUnit.MICROS, MICROSECONDS.toChronoUnit());
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assertSame(ChronoUnit.MILLIS, MILLISECONDS.toChronoUnit());
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assertSame(ChronoUnit.SECONDS, SECONDS.toChronoUnit());
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assertSame(ChronoUnit.MINUTES, MINUTES.toChronoUnit());
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assertSame(ChronoUnit.HOURS, HOURS.toChronoUnit());
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assertSame(ChronoUnit.DAYS, DAYS.toChronoUnit());
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// Every TimeUnit has a defined ChronoUnit equivalent
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for (TimeUnit x : TimeUnit.values())
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assertSame(x, TimeUnit.of(x.toChronoUnit()));
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}
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/**
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* tests for TimeUnit.of(ChronoUnit).
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*/
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public void testTimeUnitOf() throws Exception {
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assertSame(NANOSECONDS, TimeUnit.of(ChronoUnit.NANOS));
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assertSame(MICROSECONDS, TimeUnit.of(ChronoUnit.MICROS));
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assertSame(MILLISECONDS, TimeUnit.of(ChronoUnit.MILLIS));
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assertSame(SECONDS, TimeUnit.of(ChronoUnit.SECONDS));
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assertSame(MINUTES, TimeUnit.of(ChronoUnit.MINUTES));
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assertSame(HOURS, TimeUnit.of(ChronoUnit.HOURS));
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assertSame(DAYS, TimeUnit.of(ChronoUnit.DAYS));
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assertThrows(NullPointerException.class,
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() -> TimeUnit.of((ChronoUnit)null));
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// ChronoUnits either round trip to their TimeUnit
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// equivalents, or throw IllegalArgumentException.
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for (ChronoUnit cu : ChronoUnit.values()) {
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final TimeUnit tu;
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try {
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tu = TimeUnit.of(cu);
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} catch (IllegalArgumentException acceptable) {
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continue;
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}
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assertSame(cu, tu.toChronoUnit());
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}
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}
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}
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