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/* |
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* Written by Doug Lea with assistance from members of JCP JSR-166 |
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* Expert Group and released to the public domain, as explained at |
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* http://creativecommons.org/publicdomain/zero/1.0/ |
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* Other contributors include Andrew Wright, Jeffrey Hayes, |
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* Pat Fisher, Mike Judd. |
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*/ |
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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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|
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import java.time.temporal.ChronoUnit; |
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import java.util.concurrent.CountDownLatch; |
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import java.util.concurrent.TimeUnit; |
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|
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import junit.framework.Test; |
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import junit.framework.TestSuite; |
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|
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public class TimeUnitTest 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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|
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public static Test suite() { |
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return new TestSuite(TimeUnitTest.class); |
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} |
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|
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// (loops to 88888 check increments at all time divisions.) |
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|
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/** |
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* convert correctly converts sample values across the units |
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*/ |
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public void testConvert() { |
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for (long t = 0; t < 88888; ++t) { |
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assertEquals(t*60*60*24, |
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SECONDS.convert(t, DAYS)); |
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assertEquals(t*60*60, |
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SECONDS.convert(t, HOURS)); |
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assertEquals(t*60, |
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SECONDS.convert(t, MINUTES)); |
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assertEquals(t, |
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SECONDS.convert(t, SECONDS)); |
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assertEquals(t, |
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SECONDS.convert(1000L*t, MILLISECONDS)); |
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assertEquals(t, |
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SECONDS.convert(1000000L*t, MICROSECONDS)); |
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assertEquals(t, |
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SECONDS.convert(1000000000L*t, NANOSECONDS)); |
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|
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assertEquals(1000L*t*60*60*24, |
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MILLISECONDS.convert(t, DAYS)); |
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assertEquals(1000L*t*60*60, |
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MILLISECONDS.convert(t, HOURS)); |
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assertEquals(1000L*t*60, |
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MILLISECONDS.convert(t, MINUTES)); |
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assertEquals(1000L*t, |
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MILLISECONDS.convert(t, SECONDS)); |
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assertEquals(t, |
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MILLISECONDS.convert(t, MILLISECONDS)); |
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assertEquals(t, |
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MILLISECONDS.convert(1000L*t, MICROSECONDS)); |
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assertEquals(t, |
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MILLISECONDS.convert(1000000L*t, NANOSECONDS)); |
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|
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assertEquals(1000000L*t*60*60*24, |
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MICROSECONDS.convert(t, DAYS)); |
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assertEquals(1000000L*t*60*60, |
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MICROSECONDS.convert(t, HOURS)); |
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assertEquals(1000000L*t*60, |
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MICROSECONDS.convert(t, MINUTES)); |
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assertEquals(1000000L*t, |
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MICROSECONDS.convert(t, SECONDS)); |
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assertEquals(1000L*t, |
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MICROSECONDS.convert(t, MILLISECONDS)); |
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assertEquals(t, |
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MICROSECONDS.convert(t, MICROSECONDS)); |
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assertEquals(t, |
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MICROSECONDS.convert(1000L*t, NANOSECONDS)); |
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|
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assertEquals(1000000000L*t*60*60*24, |
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NANOSECONDS.convert(t, DAYS)); |
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assertEquals(1000000000L*t*60*60, |
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NANOSECONDS.convert(t, HOURS)); |
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assertEquals(1000000000L*t*60, |
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NANOSECONDS.convert(t, MINUTES)); |
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assertEquals(1000000000L*t, |
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NANOSECONDS.convert(t, SECONDS)); |
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assertEquals(1000000L*t, |
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NANOSECONDS.convert(t, MILLISECONDS)); |
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assertEquals(1000L*t, |
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NANOSECONDS.convert(t, MICROSECONDS)); |
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assertEquals(t, |
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NANOSECONDS.convert(t, NANOSECONDS)); |
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} |
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|
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for (TimeUnit x : TimeUnit.values()) { |
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long[] zs = { |
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0, 1, -1, |
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Integer.MAX_VALUE, Integer.MIN_VALUE, |
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Long.MAX_VALUE, Long.MIN_VALUE, |
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}; |
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for (long z : zs) assertEquals(z, x.convert(z, x)); |
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} |
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} |
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|
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/** |
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* toNanos correctly converts sample values in different units to |
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* nanoseconds |
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*/ |
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public void testToNanos() { |
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for (long t = 0; t < 88888; ++t) { |
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assertEquals(t*1000000000L*60*60*24, |
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DAYS.toNanos(t)); |
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assertEquals(t*1000000000L*60*60, |
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HOURS.toNanos(t)); |
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assertEquals(t*1000000000L*60, |
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MINUTES.toNanos(t)); |
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assertEquals(1000000000L*t, |
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SECONDS.toNanos(t)); |
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assertEquals(1000000L*t, |
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MILLISECONDS.toNanos(t)); |
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assertEquals(1000L*t, |
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MICROSECONDS.toNanos(t)); |
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assertEquals(t, |
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NANOSECONDS.toNanos(t)); |
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} |
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} |
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|
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/** |
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* toMicros correctly converts sample values in different units to |
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* microseconds |
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*/ |
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public void testToMicros() { |
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for (long t = 0; t < 88888; ++t) { |
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assertEquals(t*1000000L*60*60*24, |
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DAYS.toMicros(t)); |
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assertEquals(t*1000000L*60*60, |
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HOURS.toMicros(t)); |
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assertEquals(t*1000000L*60, |
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MINUTES.toMicros(t)); |
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assertEquals(1000000L*t, |
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SECONDS.toMicros(t)); |
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assertEquals(1000L*t, |
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MILLISECONDS.toMicros(t)); |
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assertEquals(t, |
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MICROSECONDS.toMicros(t)); |
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assertEquals(t, |
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NANOSECONDS.toMicros(t*1000L)); |
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} |
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} |
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|
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/** |
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* toMillis correctly converts sample values in different units to |
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* milliseconds |
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*/ |
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public void testToMillis() { |
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for (long t = 0; t < 88888; ++t) { |
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assertEquals(t*1000L*60*60*24, |
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DAYS.toMillis(t)); |
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assertEquals(t*1000L*60*60, |
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HOURS.toMillis(t)); |
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assertEquals(t*1000L*60, |
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MINUTES.toMillis(t)); |
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assertEquals(1000L*t, |
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SECONDS.toMillis(t)); |
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assertEquals(t, |
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MILLISECONDS.toMillis(t)); |
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assertEquals(t, |
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MICROSECONDS.toMillis(t*1000L)); |
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assertEquals(t, |
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NANOSECONDS.toMillis(t*1000000L)); |
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} |
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} |
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|
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/** |
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* toSeconds correctly converts sample values in different units to |
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* seconds |
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*/ |
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public void testToSeconds() { |
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for (long t = 0; t < 88888; ++t) { |
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assertEquals(t*60*60*24, |
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DAYS.toSeconds(t)); |
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assertEquals(t*60*60, |
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HOURS.toSeconds(t)); |
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assertEquals(t*60, |
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MINUTES.toSeconds(t)); |
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assertEquals(t, |
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SECONDS.toSeconds(t)); |
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assertEquals(t, |
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MILLISECONDS.toSeconds(t*1000L)); |
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assertEquals(t, |
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MICROSECONDS.toSeconds(t*1000000L)); |
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assertEquals(t, |
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NANOSECONDS.toSeconds(t*1000000000L)); |
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} |
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} |
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|
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/** |
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* toMinutes correctly converts sample values in different units to |
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* minutes |
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*/ |
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public void testToMinutes() { |
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for (long t = 0; t < 88888; ++t) { |
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assertEquals(t*60*24, |
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DAYS.toMinutes(t)); |
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assertEquals(t*60, |
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HOURS.toMinutes(t)); |
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assertEquals(t, |
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MINUTES.toMinutes(t)); |
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assertEquals(t, |
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SECONDS.toMinutes(t*60)); |
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assertEquals(t, |
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MILLISECONDS.toMinutes(t*1000L*60)); |
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assertEquals(t, |
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MICROSECONDS.toMinutes(t*1000000L*60)); |
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assertEquals(t, |
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NANOSECONDS.toMinutes(t*1000000000L*60)); |
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} |
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} |
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|
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/** |
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* toHours correctly converts sample values in different units to |
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* hours |
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*/ |
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public void testToHours() { |
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for (long t = 0; t < 88888; ++t) { |
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assertEquals(t*24, |
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DAYS.toHours(t)); |
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assertEquals(t, |
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HOURS.toHours(t)); |
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assertEquals(t, |
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MINUTES.toHours(t*60)); |
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assertEquals(t, |
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SECONDS.toHours(t*60*60)); |
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assertEquals(t, |
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MILLISECONDS.toHours(t*1000L*60*60)); |
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assertEquals(t, |
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MICROSECONDS.toHours(t*1000000L*60*60)); |
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assertEquals(t, |
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NANOSECONDS.toHours(t*1000000000L*60*60)); |
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} |
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} |
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|
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/** |
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* toDays correctly converts sample values in different units to |
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* days |
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*/ |
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public void testToDays() { |
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for (long t = 0; t < 88888; ++t) { |
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assertEquals(t, |
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DAYS.toDays(t)); |
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assertEquals(t, |
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HOURS.toDays(t*24)); |
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assertEquals(t, |
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MINUTES.toDays(t*60*24)); |
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assertEquals(t, |
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SECONDS.toDays(t*60*60*24)); |
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assertEquals(t, |
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MILLISECONDS.toDays(t*1000L*60*60*24)); |
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assertEquals(t, |
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MICROSECONDS.toDays(t*1000000L*60*60*24)); |
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assertEquals(t, |
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NANOSECONDS.toDays(t*1000000000L*60*60*24)); |
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} |
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} |
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|
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/** |
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* convert saturates positive too-large values to Long.MAX_VALUE |
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* and negative to LONG.MIN_VALUE |
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*/ |
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public void testConvertSaturate() { |
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assertEquals(Long.MAX_VALUE, |
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NANOSECONDS.convert(Long.MAX_VALUE / 2, SECONDS)); |
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assertEquals(Long.MIN_VALUE, |
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NANOSECONDS.convert(-Long.MAX_VALUE / 4, SECONDS)); |
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assertEquals(Long.MAX_VALUE, |
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NANOSECONDS.convert(Long.MAX_VALUE / 2, MINUTES)); |
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assertEquals(Long.MIN_VALUE, |
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NANOSECONDS.convert(-Long.MAX_VALUE / 4, MINUTES)); |
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assertEquals(Long.MAX_VALUE, |
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NANOSECONDS.convert(Long.MAX_VALUE / 2, HOURS)); |
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assertEquals(Long.MIN_VALUE, |
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NANOSECONDS.convert(-Long.MAX_VALUE / 4, HOURS)); |
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assertEquals(Long.MAX_VALUE, |
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NANOSECONDS.convert(Long.MAX_VALUE / 2, DAYS)); |
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assertEquals(Long.MIN_VALUE, |
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NANOSECONDS.convert(-Long.MAX_VALUE / 4, DAYS)); |
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|
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for (TimeUnit x : TimeUnit.values()) |
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for (TimeUnit y : TimeUnit.values()) { |
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long ratio = x.toNanos(1) / y.toNanos(1); |
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if (ratio > 1) { |
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assertEquals(ratio, y.convert(1, x)); |
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assertEquals(1, x.convert(ratio, y)); |
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long max = Long.MAX_VALUE/ratio; |
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assertEquals(max * ratio, y.convert(max, x)); |
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assertEquals(-max * ratio, y.convert(-max, x)); |
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assertEquals(max, x.convert(max * ratio, y)); |
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assertEquals(-max, x.convert(-max * ratio, y)); |
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assertEquals(Long.MAX_VALUE, y.convert(max + 1, x)); |
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assertEquals(Long.MIN_VALUE, y.convert(-max - 1, x)); |
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assertEquals(Long.MAX_VALUE, y.convert(Long.MAX_VALUE, x)); |
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assertEquals(Long.MIN_VALUE, y.convert(Long.MIN_VALUE, x)); |
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assertEquals(Long.MIN_VALUE, y.convert(Long.MIN_VALUE + 1, x)); |
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} |
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} |
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} |
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|
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/** |
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* toNanos saturates positive too-large values to Long.MAX_VALUE |
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* and negative to LONG.MIN_VALUE |
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*/ |
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public void testToNanosSaturate() { |
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assertEquals(Long.MAX_VALUE, |
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MILLISECONDS.toNanos(Long.MAX_VALUE / 2)); |
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assertEquals(Long.MIN_VALUE, |
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MILLISECONDS.toNanos(-Long.MAX_VALUE / 3)); |
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|
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for (TimeUnit x : TimeUnit.values()) { |
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long ratio = x.toNanos(1) / NANOSECONDS.toNanos(1); |
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if (ratio > 1) { |
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long max = Long.MAX_VALUE/ratio; |
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for (long z : new long[] {0, 1, -1, max, -max}) |
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assertEquals(z * ratio, x.toNanos(z)); |
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assertEquals(Long.MAX_VALUE, x.toNanos(max + 1)); |
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assertEquals(Long.MIN_VALUE, x.toNanos(-max - 1)); |
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assertEquals(Long.MAX_VALUE, x.toNanos(Long.MAX_VALUE)); |
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assertEquals(Long.MIN_VALUE, x.toNanos(Long.MIN_VALUE)); |
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assertEquals(Long.MIN_VALUE, x.toNanos(Long.MIN_VALUE + 1)); |
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if (max < Integer.MAX_VALUE) { |
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assertEquals(Long.MAX_VALUE, x.toNanos(Integer.MAX_VALUE)); |
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assertEquals(Long.MIN_VALUE, x.toNanos(Integer.MIN_VALUE)); |
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} |
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} |
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} |
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} |
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|
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/** |
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* toMicros saturates positive too-large values to Long.MAX_VALUE |
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* and negative to LONG.MIN_VALUE |
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*/ |
| 347 |
public void testToMicrosSaturate() { |
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for (TimeUnit x : TimeUnit.values()) { |
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long ratio = x.toNanos(1) / MICROSECONDS.toNanos(1); |
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if (ratio > 1) { |
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long max = Long.MAX_VALUE/ratio; |
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for (long z : new long[] {0, 1, -1, max, -max}) |
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assertEquals(z * ratio, x.toMicros(z)); |
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assertEquals(Long.MAX_VALUE, x.toMicros(max + 1)); |
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assertEquals(Long.MIN_VALUE, x.toMicros(-max - 1)); |
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assertEquals(Long.MAX_VALUE, x.toMicros(Long.MAX_VALUE)); |
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assertEquals(Long.MIN_VALUE, x.toMicros(Long.MIN_VALUE)); |
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assertEquals(Long.MIN_VALUE, x.toMicros(Long.MIN_VALUE + 1)); |
| 359 |
if (max < Integer.MAX_VALUE) { |
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assertEquals(Long.MAX_VALUE, x.toMicros(Integer.MAX_VALUE)); |
| 361 |
assertEquals(Long.MIN_VALUE, x.toMicros(Integer.MIN_VALUE)); |
| 362 |
} |
| 363 |
} |
| 364 |
} |
| 365 |
} |
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|
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/** |
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* toMillis saturates positive too-large values to Long.MAX_VALUE |
| 369 |
* and negative to LONG.MIN_VALUE |
| 370 |
*/ |
| 371 |
public void testToMillisSaturate() { |
| 372 |
for (TimeUnit x : TimeUnit.values()) { |
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long ratio = x.toNanos(1) / MILLISECONDS.toNanos(1); |
| 374 |
if (ratio > 1) { |
| 375 |
long max = Long.MAX_VALUE/ratio; |
| 376 |
for (long z : new long[] {0, 1, -1, max, -max}) |
| 377 |
assertEquals(z * ratio, x.toMillis(z)); |
| 378 |
assertEquals(Long.MAX_VALUE, x.toMillis(max + 1)); |
| 379 |
assertEquals(Long.MIN_VALUE, x.toMillis(-max - 1)); |
| 380 |
assertEquals(Long.MAX_VALUE, x.toMillis(Long.MAX_VALUE)); |
| 381 |
assertEquals(Long.MIN_VALUE, x.toMillis(Long.MIN_VALUE)); |
| 382 |
assertEquals(Long.MIN_VALUE, x.toMillis(Long.MIN_VALUE + 1)); |
| 383 |
if (max < Integer.MAX_VALUE) { |
| 384 |
assertEquals(Long.MAX_VALUE, x.toMillis(Integer.MAX_VALUE)); |
| 385 |
assertEquals(Long.MIN_VALUE, x.toMillis(Integer.MIN_VALUE)); |
| 386 |
} |
| 387 |
} |
| 388 |
} |
| 389 |
} |
| 390 |
|
| 391 |
/** |
| 392 |
* toSeconds saturates positive too-large values to Long.MAX_VALUE |
| 393 |
* and negative to LONG.MIN_VALUE |
| 394 |
*/ |
| 395 |
public void testToSecondsSaturate() { |
| 396 |
for (TimeUnit x : TimeUnit.values()) { |
| 397 |
long ratio = x.toNanos(1) / SECONDS.toNanos(1); |
| 398 |
if (ratio > 1) { |
| 399 |
long max = Long.MAX_VALUE/ratio; |
| 400 |
for (long z : new long[] {0, 1, -1, max, -max}) |
| 401 |
assertEquals(z * ratio, x.toSeconds(z)); |
| 402 |
assertEquals(Long.MAX_VALUE, x.toSeconds(max + 1)); |
| 403 |
assertEquals(Long.MIN_VALUE, x.toSeconds(-max - 1)); |
| 404 |
assertEquals(Long.MAX_VALUE, x.toSeconds(Long.MAX_VALUE)); |
| 405 |
assertEquals(Long.MIN_VALUE, x.toSeconds(Long.MIN_VALUE)); |
| 406 |
assertEquals(Long.MIN_VALUE, x.toSeconds(Long.MIN_VALUE + 1)); |
| 407 |
if (max < Integer.MAX_VALUE) { |
| 408 |
assertEquals(Long.MAX_VALUE, x.toSeconds(Integer.MAX_VALUE)); |
| 409 |
assertEquals(Long.MIN_VALUE, x.toSeconds(Integer.MIN_VALUE)); |
| 410 |
} |
| 411 |
} |
| 412 |
} |
| 413 |
} |
| 414 |
|
| 415 |
/** |
| 416 |
* toMinutes saturates positive too-large values to Long.MAX_VALUE |
| 417 |
* and negative to LONG.MIN_VALUE |
| 418 |
*/ |
| 419 |
public void testToMinutesSaturate() { |
| 420 |
for (TimeUnit x : TimeUnit.values()) { |
| 421 |
long ratio = x.toNanos(1) / MINUTES.toNanos(1); |
| 422 |
if (ratio > 1) { |
| 423 |
long max = Long.MAX_VALUE/ratio; |
| 424 |
for (long z : new long[] {0, 1, -1, max, -max}) |
| 425 |
assertEquals(z * ratio, x.toMinutes(z)); |
| 426 |
assertEquals(Long.MAX_VALUE, x.toMinutes(max + 1)); |
| 427 |
assertEquals(Long.MIN_VALUE, x.toMinutes(-max - 1)); |
| 428 |
assertEquals(Long.MAX_VALUE, x.toMinutes(Long.MAX_VALUE)); |
| 429 |
assertEquals(Long.MIN_VALUE, x.toMinutes(Long.MIN_VALUE)); |
| 430 |
assertEquals(Long.MIN_VALUE, x.toMinutes(Long.MIN_VALUE + 1)); |
| 431 |
} |
| 432 |
} |
| 433 |
} |
| 434 |
|
| 435 |
/** |
| 436 |
* toHours saturates positive too-large values to Long.MAX_VALUE |
| 437 |
* and negative to LONG.MIN_VALUE |
| 438 |
*/ |
| 439 |
public void testToHoursSaturate() { |
| 440 |
for (TimeUnit x : TimeUnit.values()) { |
| 441 |
long ratio = x.toNanos(1) / HOURS.toNanos(1); |
| 442 |
if (ratio > 1) { |
| 443 |
long max = Long.MAX_VALUE/ratio; |
| 444 |
for (long z : new long[] {0, 1, -1, max, -max}) |
| 445 |
assertEquals(z * ratio, x.toHours(z)); |
| 446 |
assertEquals(Long.MAX_VALUE, x.toHours(max + 1)); |
| 447 |
assertEquals(Long.MIN_VALUE, x.toHours(-max - 1)); |
| 448 |
assertEquals(Long.MAX_VALUE, x.toHours(Long.MAX_VALUE)); |
| 449 |
assertEquals(Long.MIN_VALUE, x.toHours(Long.MIN_VALUE)); |
| 450 |
assertEquals(Long.MIN_VALUE, x.toHours(Long.MIN_VALUE + 1)); |
| 451 |
} |
| 452 |
} |
| 453 |
} |
| 454 |
|
| 455 |
/** |
| 456 |
* toString returns name of unit |
| 457 |
*/ |
| 458 |
public void testToString() { |
| 459 |
assertEquals("SECONDS", SECONDS.toString()); |
| 460 |
} |
| 461 |
|
| 462 |
/** |
| 463 |
* name returns name of unit |
| 464 |
*/ |
| 465 |
public void testName() { |
| 466 |
assertEquals("SECONDS", SECONDS.name()); |
| 467 |
} |
| 468 |
|
| 469 |
/** |
| 470 |
* Timed wait without holding lock throws |
| 471 |
* IllegalMonitorStateException |
| 472 |
*/ |
| 473 |
public void testTimedWait_IllegalMonitorException() { |
| 474 |
Thread t = newStartedThread(new CheckedRunnable() { |
| 475 |
public void realRun() throws InterruptedException { |
| 476 |
Object o = new Object(); |
| 477 |
TimeUnit tu = MILLISECONDS; |
| 478 |
|
| 479 |
try { |
| 480 |
tu.timedWait(o, LONG_DELAY_MS); |
| 481 |
threadShouldThrow(); |
| 482 |
} catch (IllegalMonitorStateException success) {} |
| 483 |
}}); |
| 484 |
|
| 485 |
awaitTermination(t); |
| 486 |
} |
| 487 |
|
| 488 |
/** |
| 489 |
* timedWait throws InterruptedException when interrupted |
| 490 |
*/ |
| 491 |
public void testTimedWait_Interruptible() { |
| 492 |
final CountDownLatch pleaseInterrupt = new CountDownLatch(1); |
| 493 |
Thread t = newStartedThread(new CheckedRunnable() { |
| 494 |
public void realRun() throws InterruptedException { |
| 495 |
Object o = new Object(); |
| 496 |
TimeUnit tu = MILLISECONDS; |
| 497 |
|
| 498 |
Thread.currentThread().interrupt(); |
| 499 |
try { |
| 500 |
synchronized (o) { |
| 501 |
tu.timedWait(o, LONG_DELAY_MS); |
| 502 |
} |
| 503 |
shouldThrow(); |
| 504 |
} catch (InterruptedException success) {} |
| 505 |
assertFalse(Thread.interrupted()); |
| 506 |
|
| 507 |
pleaseInterrupt.countDown(); |
| 508 |
try { |
| 509 |
synchronized (o) { |
| 510 |
tu.timedWait(o, LONG_DELAY_MS); |
| 511 |
} |
| 512 |
shouldThrow(); |
| 513 |
} catch (InterruptedException success) {} |
| 514 |
assertFalse(Thread.interrupted()); |
| 515 |
}}); |
| 516 |
|
| 517 |
await(pleaseInterrupt); |
| 518 |
assertThreadStaysAlive(t); |
| 519 |
t.interrupt(); |
| 520 |
awaitTermination(t); |
| 521 |
} |
| 522 |
|
| 523 |
/** |
| 524 |
* timedJoin throws InterruptedException when interrupted |
| 525 |
*/ |
| 526 |
public void testTimedJoin_Interruptible() { |
| 527 |
final CountDownLatch pleaseInterrupt = new CountDownLatch(1); |
| 528 |
final Thread s = newStartedThread(new CheckedInterruptedRunnable() { |
| 529 |
public void realRun() throws InterruptedException { |
| 530 |
Thread.sleep(LONG_DELAY_MS); |
| 531 |
}}); |
| 532 |
final Thread t = newStartedThread(new CheckedRunnable() { |
| 533 |
public void realRun() throws InterruptedException { |
| 534 |
TimeUnit tu = MILLISECONDS; |
| 535 |
Thread.currentThread().interrupt(); |
| 536 |
try { |
| 537 |
tu.timedJoin(s, LONG_DELAY_MS); |
| 538 |
shouldThrow(); |
| 539 |
} catch (InterruptedException success) {} |
| 540 |
assertFalse(Thread.interrupted()); |
| 541 |
|
| 542 |
pleaseInterrupt.countDown(); |
| 543 |
try { |
| 544 |
tu.timedJoin(s, LONG_DELAY_MS); |
| 545 |
shouldThrow(); |
| 546 |
} catch (InterruptedException success) {} |
| 547 |
assertFalse(Thread.interrupted()); |
| 548 |
}}); |
| 549 |
|
| 550 |
await(pleaseInterrupt); |
| 551 |
assertThreadStaysAlive(t); |
| 552 |
t.interrupt(); |
| 553 |
awaitTermination(t); |
| 554 |
s.interrupt(); |
| 555 |
awaitTermination(s); |
| 556 |
} |
| 557 |
|
| 558 |
/** |
| 559 |
* timedSleep throws InterruptedException when interrupted |
| 560 |
*/ |
| 561 |
public void testTimedSleep_Interruptible() { |
| 562 |
final CountDownLatch pleaseInterrupt = new CountDownLatch(1); |
| 563 |
Thread t = newStartedThread(new CheckedRunnable() { |
| 564 |
public void realRun() throws InterruptedException { |
| 565 |
TimeUnit tu = MILLISECONDS; |
| 566 |
Thread.currentThread().interrupt(); |
| 567 |
try { |
| 568 |
tu.sleep(LONG_DELAY_MS); |
| 569 |
shouldThrow(); |
| 570 |
} catch (InterruptedException success) {} |
| 571 |
assertFalse(Thread.interrupted()); |
| 572 |
|
| 573 |
pleaseInterrupt.countDown(); |
| 574 |
try { |
| 575 |
tu.sleep(LONG_DELAY_MS); |
| 576 |
shouldThrow(); |
| 577 |
} catch (InterruptedException success) {} |
| 578 |
assertFalse(Thread.interrupted()); |
| 579 |
}}); |
| 580 |
|
| 581 |
await(pleaseInterrupt); |
| 582 |
assertThreadStaysAlive(t); |
| 583 |
t.interrupt(); |
| 584 |
awaitTermination(t); |
| 585 |
} |
| 586 |
|
| 587 |
/** |
| 588 |
* a deserialized serialized unit is the same instance |
| 589 |
*/ |
| 590 |
public void testSerialization() throws Exception { |
| 591 |
for (TimeUnit x : TimeUnit.values()) |
| 592 |
assertSame(x, serialClone(x)); |
| 593 |
} |
| 594 |
|
| 595 |
/** |
| 596 |
* tests for toChronoUnit. |
| 597 |
*/ |
| 598 |
public void testToChronoUnit() throws Exception { |
| 599 |
assertSame(ChronoUnit.NANOS, NANOSECONDS.toChronoUnit()); |
| 600 |
assertSame(ChronoUnit.MICROS, MICROSECONDS.toChronoUnit()); |
| 601 |
assertSame(ChronoUnit.MILLIS, MILLISECONDS.toChronoUnit()); |
| 602 |
assertSame(ChronoUnit.SECONDS, SECONDS.toChronoUnit()); |
| 603 |
assertSame(ChronoUnit.MINUTES, MINUTES.toChronoUnit()); |
| 604 |
assertSame(ChronoUnit.HOURS, HOURS.toChronoUnit()); |
| 605 |
assertSame(ChronoUnit.DAYS, DAYS.toChronoUnit()); |
| 606 |
|
| 607 |
// Every TimeUnit has a defined ChronoUnit equivalent |
| 608 |
for (TimeUnit x : TimeUnit.values()) |
| 609 |
assertSame(x, TimeUnit.of(x.toChronoUnit())); |
| 610 |
} |
| 611 |
|
| 612 |
/** |
| 613 |
* tests for TimeUnit.of(ChronoUnit). |
| 614 |
*/ |
| 615 |
public void testTimeUnitOf() throws Exception { |
| 616 |
assertSame(NANOSECONDS, TimeUnit.of(ChronoUnit.NANOS)); |
| 617 |
assertSame(MICROSECONDS, TimeUnit.of(ChronoUnit.MICROS)); |
| 618 |
assertSame(MILLISECONDS, TimeUnit.of(ChronoUnit.MILLIS)); |
| 619 |
assertSame(SECONDS, TimeUnit.of(ChronoUnit.SECONDS)); |
| 620 |
assertSame(MINUTES, TimeUnit.of(ChronoUnit.MINUTES)); |
| 621 |
assertSame(HOURS, TimeUnit.of(ChronoUnit.HOURS)); |
| 622 |
assertSame(DAYS, TimeUnit.of(ChronoUnit.DAYS)); |
| 623 |
|
| 624 |
assertThrows(NullPointerException.class, |
| 625 |
() -> TimeUnit.of((ChronoUnit)null)); |
| 626 |
|
| 627 |
// ChronoUnits either round trip to their TimeUnit |
| 628 |
// equivalents, or throw IllegalArgumentException. |
| 629 |
for (ChronoUnit cu : ChronoUnit.values()) { |
| 630 |
final TimeUnit tu; |
| 631 |
try { |
| 632 |
tu = TimeUnit.of(cu); |
| 633 |
} catch (IllegalArgumentException acceptable) { |
| 634 |
continue; |
| 635 |
} |
| 636 |
assertSame(cu, tu.toChronoUnit()); |
| 637 |
} |
| 638 |
} |
| 639 |
|
| 640 |
} |
