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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.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)); |
306 |
assertEquals(Long.MIN_VALUE, y.convert(-max - 1, x)); |
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assertEquals(Long.MIN_VALUE, y.convert(Long.MIN_VALUE + 1, x)); |
308 |
} |
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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)); |
311 |
} |
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} |
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} |
314 |
|
315 |
/** |
316 |
* toNanos saturates positive too-large values to Long.MAX_VALUE |
317 |
* and negative to LONG.MIN_VALUE |
318 |
*/ |
319 |
public void testToNanosSaturate() { |
320 |
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); |
327 |
if (ratio >= 1) { |
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long max = Long.MAX_VALUE/ratio; |
329 |
for (long z : new long[] {0, 1, -1, max, -max}) |
330 |
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)); |
333 |
assertEquals(Long.MIN_VALUE, x.toNanos(-max - 1)); |
334 |
assertEquals(Long.MIN_VALUE, x.toNanos(Long.MIN_VALUE + 1)); |
335 |
} |
336 |
assertEquals(Long.MAX_VALUE, x.toNanos(Long.MAX_VALUE)); |
337 |
assertEquals(Long.MIN_VALUE, x.toNanos(Long.MIN_VALUE)); |
338 |
if (max < Integer.MAX_VALUE) { |
339 |
assertEquals(Long.MAX_VALUE, x.toNanos(Integer.MAX_VALUE)); |
340 |
assertEquals(Long.MIN_VALUE, x.toNanos(Integer.MIN_VALUE)); |
341 |
} |
342 |
} |
343 |
} |
344 |
} |
345 |
|
346 |
/** |
347 |
* toMicros saturates positive too-large values to Long.MAX_VALUE |
348 |
* and negative to LONG.MIN_VALUE |
349 |
*/ |
350 |
public void testToMicrosSaturate() { |
351 |
for (TimeUnit x : TimeUnit.values()) { |
352 |
long ratio = x.toNanos(1) / MICROSECONDS.toNanos(1); |
353 |
if (ratio >= 1) { |
354 |
long max = Long.MAX_VALUE/ratio; |
355 |
for (long z : new long[] {0, 1, -1, max, -max}) |
356 |
assertEquals(z * ratio, x.toMicros(z)); |
357 |
if (max < Long.MAX_VALUE) { |
358 |
assertEquals(Long.MAX_VALUE, x.toMicros(max + 1)); |
359 |
assertEquals(Long.MIN_VALUE, x.toMicros(-max - 1)); |
360 |
assertEquals(Long.MIN_VALUE, x.toMicros(Long.MIN_VALUE + 1)); |
361 |
} |
362 |
assertEquals(Long.MAX_VALUE, x.toMicros(Long.MAX_VALUE)); |
363 |
assertEquals(Long.MIN_VALUE, x.toMicros(Long.MIN_VALUE)); |
364 |
if (max < Integer.MAX_VALUE) { |
365 |
assertEquals(Long.MAX_VALUE, x.toMicros(Integer.MAX_VALUE)); |
366 |
assertEquals(Long.MIN_VALUE, x.toMicros(Integer.MIN_VALUE)); |
367 |
} |
368 |
} |
369 |
} |
370 |
} |
371 |
|
372 |
/** |
373 |
* toMillis saturates positive too-large values to Long.MAX_VALUE |
374 |
* and negative to LONG.MIN_VALUE |
375 |
*/ |
376 |
public void testToMillisSaturate() { |
377 |
for (TimeUnit x : TimeUnit.values()) { |
378 |
long ratio = x.toNanos(1) / MILLISECONDS.toNanos(1); |
379 |
if (ratio >= 1) { |
380 |
long max = Long.MAX_VALUE/ratio; |
381 |
for (long z : new long[] {0, 1, -1, max, -max}) |
382 |
assertEquals(z * ratio, x.toMillis(z)); |
383 |
if (max < Long.MAX_VALUE) { |
384 |
assertEquals(Long.MAX_VALUE, x.toMillis(max + 1)); |
385 |
assertEquals(Long.MIN_VALUE, x.toMillis(-max - 1)); |
386 |
assertEquals(Long.MIN_VALUE, x.toMillis(Long.MIN_VALUE + 1)); |
387 |
} |
388 |
assertEquals(Long.MAX_VALUE, x.toMillis(Long.MAX_VALUE)); |
389 |
assertEquals(Long.MIN_VALUE, x.toMillis(Long.MIN_VALUE)); |
390 |
if (max < Integer.MAX_VALUE) { |
391 |
assertEquals(Long.MAX_VALUE, x.toMillis(Integer.MAX_VALUE)); |
392 |
assertEquals(Long.MIN_VALUE, x.toMillis(Integer.MIN_VALUE)); |
393 |
} |
394 |
} |
395 |
} |
396 |
} |
397 |
|
398 |
/** |
399 |
* toSeconds saturates positive too-large values to Long.MAX_VALUE |
400 |
* and negative to LONG.MIN_VALUE |
401 |
*/ |
402 |
public void testToSecondsSaturate() { |
403 |
for (TimeUnit x : TimeUnit.values()) { |
404 |
long ratio = x.toNanos(1) / SECONDS.toNanos(1); |
405 |
if (ratio >= 1) { |
406 |
long max = Long.MAX_VALUE/ratio; |
407 |
for (long z : new long[] {0, 1, -1, max, -max}) |
408 |
assertEquals(z * ratio, x.toSeconds(z)); |
409 |
if (max < Long.MAX_VALUE) { |
410 |
assertEquals(Long.MAX_VALUE, x.toSeconds(max + 1)); |
411 |
assertEquals(Long.MIN_VALUE, x.toSeconds(-max - 1)); |
412 |
assertEquals(Long.MIN_VALUE, x.toSeconds(Long.MIN_VALUE + 1)); |
413 |
} |
414 |
assertEquals(Long.MAX_VALUE, x.toSeconds(Long.MAX_VALUE)); |
415 |
assertEquals(Long.MIN_VALUE, x.toSeconds(Long.MIN_VALUE)); |
416 |
if (max < Integer.MAX_VALUE) { |
417 |
assertEquals(Long.MAX_VALUE, x.toSeconds(Integer.MAX_VALUE)); |
418 |
assertEquals(Long.MIN_VALUE, x.toSeconds(Integer.MIN_VALUE)); |
419 |
} |
420 |
} |
421 |
} |
422 |
} |
423 |
|
424 |
/** |
425 |
* toMinutes saturates positive too-large values to Long.MAX_VALUE |
426 |
* and negative to LONG.MIN_VALUE |
427 |
*/ |
428 |
public void testToMinutesSaturate() { |
429 |
for (TimeUnit x : TimeUnit.values()) { |
430 |
long ratio = x.toNanos(1) / MINUTES.toNanos(1); |
431 |
if (ratio > 1) { |
432 |
long max = Long.MAX_VALUE/ratio; |
433 |
for (long z : new long[] {0, 1, -1, max, -max}) |
434 |
assertEquals(z * ratio, x.toMinutes(z)); |
435 |
assertEquals(Long.MAX_VALUE, x.toMinutes(max + 1)); |
436 |
assertEquals(Long.MIN_VALUE, x.toMinutes(-max - 1)); |
437 |
assertEquals(Long.MAX_VALUE, x.toMinutes(Long.MAX_VALUE)); |
438 |
assertEquals(Long.MIN_VALUE, x.toMinutes(Long.MIN_VALUE)); |
439 |
assertEquals(Long.MIN_VALUE, x.toMinutes(Long.MIN_VALUE + 1)); |
440 |
} |
441 |
} |
442 |
} |
443 |
|
444 |
/** |
445 |
* toHours saturates positive too-large values to Long.MAX_VALUE |
446 |
* and negative to LONG.MIN_VALUE |
447 |
*/ |
448 |
public void testToHoursSaturate() { |
449 |
for (TimeUnit x : TimeUnit.values()) { |
450 |
long ratio = x.toNanos(1) / HOURS.toNanos(1); |
451 |
if (ratio >= 1) { |
452 |
long max = Long.MAX_VALUE/ratio; |
453 |
for (long z : new long[] {0, 1, -1, max, -max}) |
454 |
assertEquals(z * ratio, x.toHours(z)); |
455 |
if (max < Long.MAX_VALUE) { |
456 |
assertEquals(Long.MAX_VALUE, x.toHours(max + 1)); |
457 |
assertEquals(Long.MIN_VALUE, x.toHours(-max - 1)); |
458 |
assertEquals(Long.MIN_VALUE, x.toHours(Long.MIN_VALUE + 1)); |
459 |
} |
460 |
assertEquals(Long.MAX_VALUE, x.toHours(Long.MAX_VALUE)); |
461 |
assertEquals(Long.MIN_VALUE, x.toHours(Long.MIN_VALUE)); |
462 |
} |
463 |
} |
464 |
} |
465 |
|
466 |
/** |
467 |
* toString returns name of unit |
468 |
*/ |
469 |
public void testToString() { |
470 |
assertEquals("NANOSECONDS", NANOSECONDS.toString()); |
471 |
assertEquals("MICROSECONDS", MICROSECONDS.toString()); |
472 |
assertEquals("MILLISECONDS", MILLISECONDS.toString()); |
473 |
assertEquals("SECONDS", SECONDS.toString()); |
474 |
assertEquals("MINUTES", MINUTES.toString()); |
475 |
assertEquals("HOURS", HOURS.toString()); |
476 |
assertEquals("DAYS", DAYS.toString()); |
477 |
} |
478 |
|
479 |
/** |
480 |
* name returns name of unit |
481 |
*/ |
482 |
public void testName() { |
483 |
for (TimeUnit x : TimeUnit.values()) |
484 |
assertEquals(x.toString(), x.name()); |
485 |
} |
486 |
|
487 |
/** |
488 |
* Timed wait without holding lock throws |
489 |
* IllegalMonitorStateException |
490 |
*/ |
491 |
public void testTimedWait_IllegalMonitorException() { |
492 |
Thread t = newStartedThread(new CheckedRunnable() { |
493 |
public void realRun() throws InterruptedException { |
494 |
long startTime = System.nanoTime(); |
495 |
Object o = new Object(); |
496 |
|
497 |
try { |
498 |
MILLISECONDS.timedWait(o, LONG_DELAY_MS); |
499 |
threadShouldThrow(); |
500 |
} catch (IllegalMonitorStateException success) {} |
501 |
|
502 |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
503 |
}}); |
504 |
|
505 |
awaitTermination(t); |
506 |
} |
507 |
|
508 |
/** |
509 |
* timedWait throws InterruptedException when interrupted |
510 |
*/ |
511 |
public void testTimedWait_Interruptible() { |
512 |
final CountDownLatch pleaseInterrupt = new CountDownLatch(1); |
513 |
Thread t = newStartedThread(new CheckedRunnable() { |
514 |
public void realRun() throws InterruptedException { |
515 |
long startTime = System.nanoTime(); |
516 |
Object o = new Object(); |
517 |
|
518 |
Thread.currentThread().interrupt(); |
519 |
try { |
520 |
synchronized (o) { |
521 |
MILLISECONDS.timedWait(o, LONG_DELAY_MS); |
522 |
} |
523 |
shouldThrow(); |
524 |
} catch (InterruptedException success) {} |
525 |
assertFalse(Thread.interrupted()); |
526 |
|
527 |
pleaseInterrupt.countDown(); |
528 |
try { |
529 |
synchronized (o) { |
530 |
MILLISECONDS.timedWait(o, LONG_DELAY_MS); |
531 |
} |
532 |
shouldThrow(); |
533 |
} catch (InterruptedException success) {} |
534 |
assertFalse(Thread.interrupted()); |
535 |
|
536 |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
537 |
}}); |
538 |
|
539 |
await(pleaseInterrupt); |
540 |
if (randomBoolean()) assertThreadBlocks(t, Thread.State.TIMED_WAITING); |
541 |
t.interrupt(); |
542 |
awaitTermination(t); |
543 |
} |
544 |
|
545 |
/** |
546 |
* timedJoin throws InterruptedException when interrupted |
547 |
*/ |
548 |
public void testTimedJoin_Interruptible() { |
549 |
final CountDownLatch pleaseInterrupt = new CountDownLatch(1); |
550 |
final Thread s = newStartedThread(new CheckedInterruptedRunnable() { |
551 |
public void realRun() throws InterruptedException { |
552 |
Thread.sleep(LONG_DELAY_MS); |
553 |
}}); |
554 |
final Thread t = newStartedThread(new CheckedRunnable() { |
555 |
public void realRun() throws InterruptedException { |
556 |
long startTime = System.nanoTime(); |
557 |
|
558 |
Thread.currentThread().interrupt(); |
559 |
try { |
560 |
MILLISECONDS.timedJoin(s, LONG_DELAY_MS); |
561 |
shouldThrow(); |
562 |
} catch (InterruptedException success) {} |
563 |
assertFalse(Thread.interrupted()); |
564 |
|
565 |
pleaseInterrupt.countDown(); |
566 |
try { |
567 |
MILLISECONDS.timedJoin(s, LONG_DELAY_MS); |
568 |
shouldThrow(); |
569 |
} catch (InterruptedException success) {} |
570 |
assertFalse(Thread.interrupted()); |
571 |
|
572 |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
573 |
}}); |
574 |
|
575 |
await(pleaseInterrupt); |
576 |
if (randomBoolean()) assertThreadBlocks(t, Thread.State.TIMED_WAITING); |
577 |
t.interrupt(); |
578 |
awaitTermination(t); |
579 |
s.interrupt(); |
580 |
awaitTermination(s); |
581 |
} |
582 |
|
583 |
/** |
584 |
* timeUnit.sleep throws InterruptedException when interrupted |
585 |
*/ |
586 |
public void testTimedSleep_Interruptible() { |
587 |
final CountDownLatch pleaseInterrupt = new CountDownLatch(1); |
588 |
Thread t = newStartedThread(new CheckedRunnable() { |
589 |
public void realRun() throws InterruptedException { |
590 |
long startTime = System.nanoTime(); |
591 |
|
592 |
Thread.currentThread().interrupt(); |
593 |
try { |
594 |
MILLISECONDS.sleep(LONG_DELAY_MS); |
595 |
shouldThrow(); |
596 |
} catch (InterruptedException success) {} |
597 |
assertFalse(Thread.interrupted()); |
598 |
|
599 |
pleaseInterrupt.countDown(); |
600 |
try { |
601 |
MILLISECONDS.sleep(LONG_DELAY_MS); |
602 |
shouldThrow(); |
603 |
} catch (InterruptedException success) {} |
604 |
assertFalse(Thread.interrupted()); |
605 |
|
606 |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
607 |
}}); |
608 |
|
609 |
await(pleaseInterrupt); |
610 |
if (randomBoolean()) assertThreadBlocks(t, Thread.State.TIMED_WAITING); |
611 |
t.interrupt(); |
612 |
awaitTermination(t); |
613 |
} |
614 |
|
615 |
/** |
616 |
* timeUnit.sleep(x) for x <= 0 does not sleep at all. |
617 |
*/ |
618 |
public void testTimedSleep_nonPositive() throws InterruptedException { |
619 |
boolean interrupt = randomBoolean(); |
620 |
if (interrupt) Thread.currentThread().interrupt(); |
621 |
randomTimeUnit().sleep(0L); |
622 |
randomTimeUnit().sleep(-1L); |
623 |
randomTimeUnit().sleep(Long.MIN_VALUE); |
624 |
if (interrupt) assertTrue(Thread.interrupted()); |
625 |
} |
626 |
|
627 |
/** |
628 |
* a deserialized/reserialized unit is the same instance |
629 |
*/ |
630 |
public void testSerialization() throws Exception { |
631 |
for (TimeUnit x : TimeUnit.values()) |
632 |
assertSame(x, serialClone(x)); |
633 |
} |
634 |
|
635 |
} |