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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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if (max < Long.MAX_VALUE) { |
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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.MIN_VALUE, y.convert(Long.MIN_VALUE + 1, x)); |
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} |
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assertEquals(Long.MAX_VALUE, y.convert(Long.MAX_VALUE, x)); |
311 |
assertEquals(Long.MIN_VALUE, y.convert(Long.MIN_VALUE, x)); |
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} |
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} |
314 |
} |
315 |
|
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/** |
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* toNanos saturates positive too-large values to Long.MAX_VALUE |
318 |
* and negative to LONG.MIN_VALUE |
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*/ |
320 |
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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if (max < Long.MAX_VALUE) { |
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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.MIN_VALUE, x.toNanos(Long.MIN_VALUE + 1)); |
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} |
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assertEquals(Long.MAX_VALUE, x.toNanos(Long.MAX_VALUE)); |
338 |
assertEquals(Long.MIN_VALUE, x.toNanos(Long.MIN_VALUE)); |
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if (max < Integer.MAX_VALUE) { |
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assertEquals(Long.MAX_VALUE, x.toNanos(Integer.MAX_VALUE)); |
341 |
assertEquals(Long.MIN_VALUE, x.toNanos(Integer.MIN_VALUE)); |
342 |
} |
343 |
} |
344 |
} |
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} |
346 |
|
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/** |
348 |
* toMicros saturates positive too-large values to Long.MAX_VALUE |
349 |
* and negative to LONG.MIN_VALUE |
350 |
*/ |
351 |
public void testToMicrosSaturate() { |
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for (TimeUnit x : TimeUnit.values()) { |
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long ratio = x.toNanos(1) / MICROSECONDS.toNanos(1); |
354 |
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}) |
357 |
assertEquals(z * ratio, x.toMicros(z)); |
358 |
if (max < Long.MAX_VALUE) { |
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assertEquals(Long.MAX_VALUE, x.toMicros(max + 1)); |
360 |
assertEquals(Long.MIN_VALUE, x.toMicros(-max - 1)); |
361 |
assertEquals(Long.MIN_VALUE, x.toMicros(Long.MIN_VALUE + 1)); |
362 |
} |
363 |
assertEquals(Long.MAX_VALUE, x.toMicros(Long.MAX_VALUE)); |
364 |
assertEquals(Long.MIN_VALUE, x.toMicros(Long.MIN_VALUE)); |
365 |
if (max < Integer.MAX_VALUE) { |
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assertEquals(Long.MAX_VALUE, x.toMicros(Integer.MAX_VALUE)); |
367 |
assertEquals(Long.MIN_VALUE, x.toMicros(Integer.MIN_VALUE)); |
368 |
} |
369 |
} |
370 |
} |
371 |
} |
372 |
|
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/** |
374 |
* toMillis saturates positive too-large values to Long.MAX_VALUE |
375 |
* and negative to LONG.MIN_VALUE |
376 |
*/ |
377 |
public void testToMillisSaturate() { |
378 |
for (TimeUnit x : TimeUnit.values()) { |
379 |
long ratio = x.toNanos(1) / MILLISECONDS.toNanos(1); |
380 |
if (ratio >= 1) { |
381 |
long max = Long.MAX_VALUE/ratio; |
382 |
for (long z : new long[] {0, 1, -1, max, -max}) |
383 |
assertEquals(z * ratio, x.toMillis(z)); |
384 |
if (max < Long.MAX_VALUE) { |
385 |
assertEquals(Long.MAX_VALUE, x.toMillis(max + 1)); |
386 |
assertEquals(Long.MIN_VALUE, x.toMillis(-max - 1)); |
387 |
assertEquals(Long.MIN_VALUE, x.toMillis(Long.MIN_VALUE + 1)); |
388 |
} |
389 |
assertEquals(Long.MAX_VALUE, x.toMillis(Long.MAX_VALUE)); |
390 |
assertEquals(Long.MIN_VALUE, x.toMillis(Long.MIN_VALUE)); |
391 |
if (max < Integer.MAX_VALUE) { |
392 |
assertEquals(Long.MAX_VALUE, x.toMillis(Integer.MAX_VALUE)); |
393 |
assertEquals(Long.MIN_VALUE, x.toMillis(Integer.MIN_VALUE)); |
394 |
} |
395 |
} |
396 |
} |
397 |
} |
398 |
|
399 |
/** |
400 |
* toSeconds saturates positive too-large values to Long.MAX_VALUE |
401 |
* and negative to LONG.MIN_VALUE |
402 |
*/ |
403 |
public void testToSecondsSaturate() { |
404 |
for (TimeUnit x : TimeUnit.values()) { |
405 |
long ratio = x.toNanos(1) / SECONDS.toNanos(1); |
406 |
if (ratio >= 1) { |
407 |
long max = Long.MAX_VALUE/ratio; |
408 |
for (long z : new long[] {0, 1, -1, max, -max}) |
409 |
assertEquals(z * ratio, x.toSeconds(z)); |
410 |
if (max < Long.MAX_VALUE) { |
411 |
assertEquals(Long.MAX_VALUE, x.toSeconds(max + 1)); |
412 |
assertEquals(Long.MIN_VALUE, x.toSeconds(-max - 1)); |
413 |
assertEquals(Long.MIN_VALUE, x.toSeconds(Long.MIN_VALUE + 1)); |
414 |
} |
415 |
assertEquals(Long.MAX_VALUE, x.toSeconds(Long.MAX_VALUE)); |
416 |
assertEquals(Long.MIN_VALUE, x.toSeconds(Long.MIN_VALUE)); |
417 |
if (max < Integer.MAX_VALUE) { |
418 |
assertEquals(Long.MAX_VALUE, x.toSeconds(Integer.MAX_VALUE)); |
419 |
assertEquals(Long.MIN_VALUE, x.toSeconds(Integer.MIN_VALUE)); |
420 |
} |
421 |
} |
422 |
} |
423 |
} |
424 |
|
425 |
/** |
426 |
* toMinutes saturates positive too-large values to Long.MAX_VALUE |
427 |
* and negative to LONG.MIN_VALUE |
428 |
*/ |
429 |
public void testToMinutesSaturate() { |
430 |
for (TimeUnit x : TimeUnit.values()) { |
431 |
long ratio = x.toNanos(1) / MINUTES.toNanos(1); |
432 |
if (ratio > 1) { |
433 |
long max = Long.MAX_VALUE/ratio; |
434 |
for (long z : new long[] {0, 1, -1, max, -max}) |
435 |
assertEquals(z * ratio, x.toMinutes(z)); |
436 |
assertEquals(Long.MAX_VALUE, x.toMinutes(max + 1)); |
437 |
assertEquals(Long.MIN_VALUE, x.toMinutes(-max - 1)); |
438 |
assertEquals(Long.MAX_VALUE, x.toMinutes(Long.MAX_VALUE)); |
439 |
assertEquals(Long.MIN_VALUE, x.toMinutes(Long.MIN_VALUE)); |
440 |
assertEquals(Long.MIN_VALUE, x.toMinutes(Long.MIN_VALUE + 1)); |
441 |
} |
442 |
} |
443 |
} |
444 |
|
445 |
/** |
446 |
* toHours saturates positive too-large values to Long.MAX_VALUE |
447 |
* and negative to LONG.MIN_VALUE |
448 |
*/ |
449 |
public void testToHoursSaturate() { |
450 |
for (TimeUnit x : TimeUnit.values()) { |
451 |
long ratio = x.toNanos(1) / HOURS.toNanos(1); |
452 |
if (ratio >= 1) { |
453 |
long max = Long.MAX_VALUE/ratio; |
454 |
for (long z : new long[] {0, 1, -1, max, -max}) |
455 |
assertEquals(z * ratio, x.toHours(z)); |
456 |
if (max < Long.MAX_VALUE) { |
457 |
assertEquals(Long.MAX_VALUE, x.toHours(max + 1)); |
458 |
assertEquals(Long.MIN_VALUE, x.toHours(-max - 1)); |
459 |
assertEquals(Long.MIN_VALUE, x.toHours(Long.MIN_VALUE + 1)); |
460 |
} |
461 |
assertEquals(Long.MAX_VALUE, x.toHours(Long.MAX_VALUE)); |
462 |
assertEquals(Long.MIN_VALUE, x.toHours(Long.MIN_VALUE)); |
463 |
} |
464 |
} |
465 |
} |
466 |
|
467 |
/** |
468 |
* toString returns name of unit |
469 |
*/ |
470 |
public void testToString() { |
471 |
assertEquals("SECONDS", SECONDS.toString()); |
472 |
} |
473 |
|
474 |
/** |
475 |
* name returns name of unit |
476 |
*/ |
477 |
public void testName() { |
478 |
assertEquals("SECONDS", SECONDS.name()); |
479 |
} |
480 |
|
481 |
/** |
482 |
* Timed wait without holding lock throws |
483 |
* IllegalMonitorStateException |
484 |
*/ |
485 |
public void testTimedWait_IllegalMonitorException() { |
486 |
Thread t = newStartedThread(new CheckedRunnable() { |
487 |
public void realRun() throws InterruptedException { |
488 |
Object o = new Object(); |
489 |
TimeUnit tu = MILLISECONDS; |
490 |
|
491 |
try { |
492 |
tu.timedWait(o, LONG_DELAY_MS); |
493 |
threadShouldThrow(); |
494 |
} catch (IllegalMonitorStateException success) {} |
495 |
}}); |
496 |
|
497 |
awaitTermination(t); |
498 |
} |
499 |
|
500 |
/** |
501 |
* timedWait throws InterruptedException when interrupted |
502 |
*/ |
503 |
public void testTimedWait_Interruptible() { |
504 |
final CountDownLatch pleaseInterrupt = new CountDownLatch(1); |
505 |
Thread t = newStartedThread(new CheckedRunnable() { |
506 |
public void realRun() throws InterruptedException { |
507 |
Object o = new Object(); |
508 |
TimeUnit tu = MILLISECONDS; |
509 |
|
510 |
Thread.currentThread().interrupt(); |
511 |
try { |
512 |
synchronized (o) { |
513 |
tu.timedWait(o, LONG_DELAY_MS); |
514 |
} |
515 |
shouldThrow(); |
516 |
} catch (InterruptedException success) {} |
517 |
assertFalse(Thread.interrupted()); |
518 |
|
519 |
pleaseInterrupt.countDown(); |
520 |
try { |
521 |
synchronized (o) { |
522 |
tu.timedWait(o, LONG_DELAY_MS); |
523 |
} |
524 |
shouldThrow(); |
525 |
} catch (InterruptedException success) {} |
526 |
assertFalse(Thread.interrupted()); |
527 |
}}); |
528 |
|
529 |
await(pleaseInterrupt); |
530 |
assertThreadStaysAlive(t); |
531 |
t.interrupt(); |
532 |
awaitTermination(t); |
533 |
} |
534 |
|
535 |
/** |
536 |
* timedJoin throws InterruptedException when interrupted |
537 |
*/ |
538 |
public void testTimedJoin_Interruptible() { |
539 |
final CountDownLatch pleaseInterrupt = new CountDownLatch(1); |
540 |
final Thread s = newStartedThread(new CheckedInterruptedRunnable() { |
541 |
public void realRun() throws InterruptedException { |
542 |
Thread.sleep(LONG_DELAY_MS); |
543 |
}}); |
544 |
final Thread t = newStartedThread(new CheckedRunnable() { |
545 |
public void realRun() throws InterruptedException { |
546 |
TimeUnit tu = MILLISECONDS; |
547 |
Thread.currentThread().interrupt(); |
548 |
try { |
549 |
tu.timedJoin(s, LONG_DELAY_MS); |
550 |
shouldThrow(); |
551 |
} catch (InterruptedException success) {} |
552 |
assertFalse(Thread.interrupted()); |
553 |
|
554 |
pleaseInterrupt.countDown(); |
555 |
try { |
556 |
tu.timedJoin(s, LONG_DELAY_MS); |
557 |
shouldThrow(); |
558 |
} catch (InterruptedException success) {} |
559 |
assertFalse(Thread.interrupted()); |
560 |
}}); |
561 |
|
562 |
await(pleaseInterrupt); |
563 |
assertThreadStaysAlive(t); |
564 |
t.interrupt(); |
565 |
awaitTermination(t); |
566 |
s.interrupt(); |
567 |
awaitTermination(s); |
568 |
} |
569 |
|
570 |
/** |
571 |
* timedSleep throws InterruptedException when interrupted |
572 |
*/ |
573 |
public void testTimedSleep_Interruptible() { |
574 |
final CountDownLatch pleaseInterrupt = new CountDownLatch(1); |
575 |
Thread t = newStartedThread(new CheckedRunnable() { |
576 |
public void realRun() throws InterruptedException { |
577 |
TimeUnit tu = MILLISECONDS; |
578 |
Thread.currentThread().interrupt(); |
579 |
try { |
580 |
tu.sleep(LONG_DELAY_MS); |
581 |
shouldThrow(); |
582 |
} catch (InterruptedException success) {} |
583 |
assertFalse(Thread.interrupted()); |
584 |
|
585 |
pleaseInterrupt.countDown(); |
586 |
try { |
587 |
tu.sleep(LONG_DELAY_MS); |
588 |
shouldThrow(); |
589 |
} catch (InterruptedException success) {} |
590 |
assertFalse(Thread.interrupted()); |
591 |
}}); |
592 |
|
593 |
await(pleaseInterrupt); |
594 |
assertThreadStaysAlive(t); |
595 |
t.interrupt(); |
596 |
awaitTermination(t); |
597 |
} |
598 |
|
599 |
/** |
600 |
* a deserialized serialized unit is the same instance |
601 |
*/ |
602 |
public void testSerialization() throws Exception { |
603 |
for (TimeUnit x : TimeUnit.values()) |
604 |
assertSame(x, serialClone(x)); |
605 |
} |
606 |
|
607 |
/** |
608 |
* tests for toChronoUnit. |
609 |
*/ |
610 |
public void testToChronoUnit() throws Exception { |
611 |
assertSame(ChronoUnit.NANOS, NANOSECONDS.toChronoUnit()); |
612 |
assertSame(ChronoUnit.MICROS, MICROSECONDS.toChronoUnit()); |
613 |
assertSame(ChronoUnit.MILLIS, MILLISECONDS.toChronoUnit()); |
614 |
assertSame(ChronoUnit.SECONDS, SECONDS.toChronoUnit()); |
615 |
assertSame(ChronoUnit.MINUTES, MINUTES.toChronoUnit()); |
616 |
assertSame(ChronoUnit.HOURS, HOURS.toChronoUnit()); |
617 |
assertSame(ChronoUnit.DAYS, DAYS.toChronoUnit()); |
618 |
|
619 |
// Every TimeUnit has a defined ChronoUnit equivalent |
620 |
for (TimeUnit x : TimeUnit.values()) |
621 |
assertSame(x, TimeUnit.of(x.toChronoUnit())); |
622 |
} |
623 |
|
624 |
/** |
625 |
* tests for TimeUnit.of(ChronoUnit). |
626 |
*/ |
627 |
public void testTimeUnitOf() throws Exception { |
628 |
assertSame(NANOSECONDS, TimeUnit.of(ChronoUnit.NANOS)); |
629 |
assertSame(MICROSECONDS, TimeUnit.of(ChronoUnit.MICROS)); |
630 |
assertSame(MILLISECONDS, TimeUnit.of(ChronoUnit.MILLIS)); |
631 |
assertSame(SECONDS, TimeUnit.of(ChronoUnit.SECONDS)); |
632 |
assertSame(MINUTES, TimeUnit.of(ChronoUnit.MINUTES)); |
633 |
assertSame(HOURS, TimeUnit.of(ChronoUnit.HOURS)); |
634 |
assertSame(DAYS, TimeUnit.of(ChronoUnit.DAYS)); |
635 |
|
636 |
assertThrows(NullPointerException.class, |
637 |
() -> TimeUnit.of((ChronoUnit)null)); |
638 |
|
639 |
// ChronoUnits either round trip to their TimeUnit |
640 |
// equivalents, or throw IllegalArgumentException. |
641 |
for (ChronoUnit cu : ChronoUnit.values()) { |
642 |
final TimeUnit tu; |
643 |
try { |
644 |
tu = TimeUnit.of(cu); |
645 |
} catch (IllegalArgumentException acceptable) { |
646 |
continue; |
647 |
} |
648 |
assertSame(cu, tu.toChronoUnit()); |
649 |
} |
650 |
} |
651 |
|
652 |
} |