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Revision 1.1 - (download) (annotate)
Sat Mar 26 06:58:47 2016 UTC (2 years, 5 months ago) by jsr166
Branch: MAIN
split ChronoUnit tests off into TimeUnit8Test, to fix ant target 4jdk7-tck
 * Written by Doug Lea and Martin Buchholz with assistance from
 * members of JCP JSR-166 Expert Group and released to the public
 * domain, as explained at
 * http://creativecommons.org/publicdomain/zero/1.0/

import static java.util.concurrent.TimeUnit.DAYS;
import static java.util.concurrent.TimeUnit.HOURS;
import static java.util.concurrent.TimeUnit.MICROSECONDS;
import static java.util.concurrent.TimeUnit.MILLISECONDS;
import static java.util.concurrent.TimeUnit.MINUTES;
import static java.util.concurrent.TimeUnit.NANOSECONDS;
import static java.util.concurrent.TimeUnit.SECONDS;

import java.time.temporal.ChronoUnit;
import java.util.concurrent.TimeUnit;

import junit.framework.Test;
import junit.framework.TestSuite;

public class TimeUnit8Test extends JSR166TestCase {
    public static void main(String[] args) {
        main(suite(), args);

    public static Test suite() {
        return new TestSuite(TimeUnit8Test.class);

     * tests for toChronoUnit.
    public void testToChronoUnit() throws Exception {
        assertSame(ChronoUnit.NANOS,   NANOSECONDS.toChronoUnit());
        assertSame(ChronoUnit.MICROS,  MICROSECONDS.toChronoUnit());
        assertSame(ChronoUnit.MILLIS,  MILLISECONDS.toChronoUnit());
        assertSame(ChronoUnit.SECONDS, SECONDS.toChronoUnit());
        assertSame(ChronoUnit.MINUTES, MINUTES.toChronoUnit());
        assertSame(ChronoUnit.HOURS,   HOURS.toChronoUnit());
        assertSame(ChronoUnit.DAYS,    DAYS.toChronoUnit());

        // Every TimeUnit has a defined ChronoUnit equivalent
        for (TimeUnit x : TimeUnit.values())
            assertSame(x, TimeUnit.of(x.toChronoUnit()));

     * tests for TimeUnit.of(ChronoUnit).
    public void testTimeUnitOf() throws Exception {
        assertSame(NANOSECONDS,  TimeUnit.of(ChronoUnit.NANOS));
        assertSame(MICROSECONDS, TimeUnit.of(ChronoUnit.MICROS));
        assertSame(MILLISECONDS, TimeUnit.of(ChronoUnit.MILLIS));
        assertSame(SECONDS,      TimeUnit.of(ChronoUnit.SECONDS));
        assertSame(MINUTES,      TimeUnit.of(ChronoUnit.MINUTES));
        assertSame(HOURS,        TimeUnit.of(ChronoUnit.HOURS));
        assertSame(DAYS,         TimeUnit.of(ChronoUnit.DAYS));

                     () -> TimeUnit.of((ChronoUnit)null));

        // ChronoUnits either round trip to their TimeUnit
        // equivalents, or throw IllegalArgumentException.
        for (ChronoUnit cu : ChronoUnit.values()) {
            final TimeUnit tu;
            try {
                tu = TimeUnit.of(cu);
            } catch (IllegalArgumentException acceptable) {
            assertSame(cu, tu.toChronoUnit());


Doug Lea
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