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diff --git a/jsr166-tests/src/test/java/jsr166/TimeUnitTest.java b/jsr166-tests/src/test/java/jsr166/TimeUnitTest.java
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+++ b/jsr166-tests/src/test/java/jsr166/TimeUnitTest.java
@@ -0,0 +1,457 @@
+/*
+ * Written by Doug Lea with assistance from members of JCP JSR-166
+ * Expert Group and released to the public domain, as explained at
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ * Other contributors include Andrew Wright, Jeffrey Hayes,
+ * Pat Fisher, Mike Judd.
+ */
+
+package jsr166;
+
+import junit.framework.*;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+
+public class TimeUnitTest extends JSR166TestCase {
+
+ // (loops to 88888 check increments at all time divisions.)
+
+ /**
+ * convert correctly converts sample values across the units
+ */
+ public void testConvert() {
+ for (long t = 0; t < 88888; ++t) {
+ assertEquals(t*60*60*24,
+ TimeUnit.SECONDS.convert(t,
+ TimeUnit.DAYS));
+ assertEquals(t*60*60,
+ TimeUnit.SECONDS.convert(t,
+ TimeUnit.HOURS));
+ assertEquals(t*60,
+ TimeUnit.SECONDS.convert(t,
+ TimeUnit.MINUTES));
+ assertEquals(t,
+ TimeUnit.SECONDS.convert(t,
+ TimeUnit.SECONDS));
+ assertEquals(t,
+ TimeUnit.SECONDS.convert(1000L*t,
+ TimeUnit.MILLISECONDS));
+ assertEquals(t,
+ TimeUnit.SECONDS.convert(1000000L*t,
+ TimeUnit.MICROSECONDS));
+ assertEquals(t,
+ TimeUnit.SECONDS.convert(1000000000L*t,
+ TimeUnit.NANOSECONDS));
+
+ assertEquals(1000L*t*60*60*24,
+ TimeUnit.MILLISECONDS.convert(t,
+ TimeUnit.DAYS));
+ assertEquals(1000L*t*60*60,
+ TimeUnit.MILLISECONDS.convert(t,
+ TimeUnit.HOURS));
+ assertEquals(1000L*t*60,
+ TimeUnit.MILLISECONDS.convert(t,
+ TimeUnit.MINUTES));
+ assertEquals(1000L*t,
+ TimeUnit.MILLISECONDS.convert(t,
+ TimeUnit.SECONDS));
+ assertEquals(t,
+ TimeUnit.MILLISECONDS.convert(t,
+ TimeUnit.MILLISECONDS));
+ assertEquals(t,
+ TimeUnit.MILLISECONDS.convert(1000L*t,
+ TimeUnit.MICROSECONDS));
+ assertEquals(t,
+ TimeUnit.MILLISECONDS.convert(1000000L*t,
+ TimeUnit.NANOSECONDS));
+
+ assertEquals(1000000L*t*60*60*24,
+ TimeUnit.MICROSECONDS.convert(t,
+ TimeUnit.DAYS));
+ assertEquals(1000000L*t*60*60,
+ TimeUnit.MICROSECONDS.convert(t,
+ TimeUnit.HOURS));
+ assertEquals(1000000L*t*60,
+ TimeUnit.MICROSECONDS.convert(t,
+ TimeUnit.MINUTES));
+ assertEquals(1000000L*t,
+ TimeUnit.MICROSECONDS.convert(t,
+ TimeUnit.SECONDS));
+ assertEquals(1000L*t,
+ TimeUnit.MICROSECONDS.convert(t,
+ TimeUnit.MILLISECONDS));
+ assertEquals(t,
+ TimeUnit.MICROSECONDS.convert(t,
+ TimeUnit.MICROSECONDS));
+ assertEquals(t,
+ TimeUnit.MICROSECONDS.convert(1000L*t,
+ TimeUnit.NANOSECONDS));
+
+ assertEquals(1000000000L*t*60*60*24,
+ TimeUnit.NANOSECONDS.convert(t,
+ TimeUnit.DAYS));
+ assertEquals(1000000000L*t*60*60,
+ TimeUnit.NANOSECONDS.convert(t,
+ TimeUnit.HOURS));
+ assertEquals(1000000000L*t*60,
+ TimeUnit.NANOSECONDS.convert(t,
+ TimeUnit.MINUTES));
+ assertEquals(1000000000L*t,
+ TimeUnit.NANOSECONDS.convert(t,
+ TimeUnit.SECONDS));
+ assertEquals(1000000L*t,
+ TimeUnit.NANOSECONDS.convert(t,
+ TimeUnit.MILLISECONDS));
+ assertEquals(1000L*t,
+ TimeUnit.NANOSECONDS.convert(t,
+ TimeUnit.MICROSECONDS));
+ assertEquals(t,
+ TimeUnit.NANOSECONDS.convert(t,
+ TimeUnit.NANOSECONDS));
+ }
+ }
+
+ /**
+ * toNanos correctly converts sample values in different units to
+ * nanoseconds
+ */
+ public void testToNanos() {
+ for (long t = 0; t < 88888; ++t) {
+ assertEquals(t*1000000000L*60*60*24,
+ TimeUnit.DAYS.toNanos(t));
+ assertEquals(t*1000000000L*60*60,
+ TimeUnit.HOURS.toNanos(t));
+ assertEquals(t*1000000000L*60,
+ TimeUnit.MINUTES.toNanos(t));
+ assertEquals(1000000000L*t,
+ TimeUnit.SECONDS.toNanos(t));
+ assertEquals(1000000L*t,
+ TimeUnit.MILLISECONDS.toNanos(t));
+ assertEquals(1000L*t,
+ TimeUnit.MICROSECONDS.toNanos(t));
+ assertEquals(t,
+ TimeUnit.NANOSECONDS.toNanos(t));
+ }
+ }
+
+ /**
+ * toMicros correctly converts sample values in different units to
+ * microseconds
+ */
+ public void testToMicros() {
+ for (long t = 0; t < 88888; ++t) {
+ assertEquals(t*1000000L*60*60*24,
+ TimeUnit.DAYS.toMicros(t));
+ assertEquals(t*1000000L*60*60,
+ TimeUnit.HOURS.toMicros(t));
+ assertEquals(t*1000000L*60,
+ TimeUnit.MINUTES.toMicros(t));
+ assertEquals(1000000L*t,
+ TimeUnit.SECONDS.toMicros(t));
+ assertEquals(1000L*t,
+ TimeUnit.MILLISECONDS.toMicros(t));
+ assertEquals(t,
+ TimeUnit.MICROSECONDS.toMicros(t));
+ assertEquals(t,
+ TimeUnit.NANOSECONDS.toMicros(t*1000L));
+ }
+ }
+
+ /**
+ * toMillis correctly converts sample values in different units to
+ * milliseconds
+ */
+ public void testToMillis() {
+ for (long t = 0; t < 88888; ++t) {
+ assertEquals(t*1000L*60*60*24,
+ TimeUnit.DAYS.toMillis(t));
+ assertEquals(t*1000L*60*60,
+ TimeUnit.HOURS.toMillis(t));
+ assertEquals(t*1000L*60,
+ TimeUnit.MINUTES.toMillis(t));
+ assertEquals(1000L*t,
+ TimeUnit.SECONDS.toMillis(t));
+ assertEquals(t,
+ TimeUnit.MILLISECONDS.toMillis(t));
+ assertEquals(t,
+ TimeUnit.MICROSECONDS.toMillis(t*1000L));
+ assertEquals(t,
+ TimeUnit.NANOSECONDS.toMillis(t*1000000L));
+ }
+ }
+
+ /**
+ * toSeconds correctly converts sample values in different units to
+ * seconds
+ */
+ public void testToSeconds() {
+ for (long t = 0; t < 88888; ++t) {
+ assertEquals(t*60*60*24,
+ TimeUnit.DAYS.toSeconds(t));
+ assertEquals(t*60*60,
+ TimeUnit.HOURS.toSeconds(t));
+ assertEquals(t*60,
+ TimeUnit.MINUTES.toSeconds(t));
+ assertEquals(t,
+ TimeUnit.SECONDS.toSeconds(t));
+ assertEquals(t,
+ TimeUnit.MILLISECONDS.toSeconds(t*1000L));
+ assertEquals(t,
+ TimeUnit.MICROSECONDS.toSeconds(t*1000000L));
+ assertEquals(t,
+ TimeUnit.NANOSECONDS.toSeconds(t*1000000000L));
+ }
+ }
+
+ /**
+ * toMinutes correctly converts sample values in different units to
+ * minutes
+ */
+ public void testToMinutes() {
+ for (long t = 0; t < 88888; ++t) {
+ assertEquals(t*60*24,
+ TimeUnit.DAYS.toMinutes(t));
+ assertEquals(t*60,
+ TimeUnit.HOURS.toMinutes(t));
+ assertEquals(t,
+ TimeUnit.MINUTES.toMinutes(t));
+ assertEquals(t,
+ TimeUnit.SECONDS.toMinutes(t*60));
+ assertEquals(t,
+ TimeUnit.MILLISECONDS.toMinutes(t*1000L*60));
+ assertEquals(t,
+ TimeUnit.MICROSECONDS.toMinutes(t*1000000L*60));
+ assertEquals(t,
+ TimeUnit.NANOSECONDS.toMinutes(t*1000000000L*60));
+ }
+ }
+
+ /**
+ * toHours correctly converts sample values in different units to
+ * hours
+ */
+ public void testToHours() {
+ for (long t = 0; t < 88888; ++t) {
+ assertEquals(t*24,
+ TimeUnit.DAYS.toHours(t));
+ assertEquals(t,
+ TimeUnit.HOURS.toHours(t));
+ assertEquals(t,
+ TimeUnit.MINUTES.toHours(t*60));
+ assertEquals(t,
+ TimeUnit.SECONDS.toHours(t*60*60));
+ assertEquals(t,
+ TimeUnit.MILLISECONDS.toHours(t*1000L*60*60));
+ assertEquals(t,
+ TimeUnit.MICROSECONDS.toHours(t*1000000L*60*60));
+ assertEquals(t,
+ TimeUnit.NANOSECONDS.toHours(t*1000000000L*60*60));
+ }
+ }
+
+ /**
+ * toDays correctly converts sample values in different units to
+ * days
+ */
+ public void testToDays() {
+ for (long t = 0; t < 88888; ++t) {
+ assertEquals(t,
+ TimeUnit.DAYS.toDays(t));
+ assertEquals(t,
+ TimeUnit.HOURS.toDays(t*24));
+ assertEquals(t,
+ TimeUnit.MINUTES.toDays(t*60*24));
+ assertEquals(t,
+ TimeUnit.SECONDS.toDays(t*60*60*24));
+ assertEquals(t,
+ TimeUnit.MILLISECONDS.toDays(t*1000L*60*60*24));
+ assertEquals(t,
+ TimeUnit.MICROSECONDS.toDays(t*1000000L*60*60*24));
+ assertEquals(t,
+ TimeUnit.NANOSECONDS.toDays(t*1000000000L*60*60*24));
+ }
+ }
+
+ /**
+ * convert saturates positive too-large values to Long.MAX_VALUE
+ * and negative to LONG.MIN_VALUE
+ */
+ public void testConvertSaturate() {
+ assertEquals(Long.MAX_VALUE,
+ TimeUnit.NANOSECONDS.convert(Long.MAX_VALUE / 2,
+ TimeUnit.SECONDS));
+ assertEquals(Long.MIN_VALUE,
+ TimeUnit.NANOSECONDS.convert(-Long.MAX_VALUE / 4,
+ TimeUnit.SECONDS));
+ assertEquals(Long.MAX_VALUE,
+ TimeUnit.NANOSECONDS.convert(Long.MAX_VALUE / 2,
+ TimeUnit.MINUTES));
+ assertEquals(Long.MIN_VALUE,
+ TimeUnit.NANOSECONDS.convert(-Long.MAX_VALUE / 4,
+ TimeUnit.MINUTES));
+ assertEquals(Long.MAX_VALUE,
+ TimeUnit.NANOSECONDS.convert(Long.MAX_VALUE / 2,
+ TimeUnit.HOURS));
+ assertEquals(Long.MIN_VALUE,
+ TimeUnit.NANOSECONDS.convert(-Long.MAX_VALUE / 4,
+ TimeUnit.HOURS));
+ assertEquals(Long.MAX_VALUE,
+ TimeUnit.NANOSECONDS.convert(Long.MAX_VALUE / 2,
+ TimeUnit.DAYS));
+ assertEquals(Long.MIN_VALUE,
+ TimeUnit.NANOSECONDS.convert(-Long.MAX_VALUE / 4,
+ TimeUnit.DAYS));
+ }
+
+ /**
+ * toNanos saturates positive too-large values to Long.MAX_VALUE
+ * and negative to LONG.MIN_VALUE
+ */
+ public void testToNanosSaturate() {
+ assertEquals(Long.MAX_VALUE,
+ TimeUnit.MILLISECONDS.toNanos(Long.MAX_VALUE / 2));
+ assertEquals(Long.MIN_VALUE,
+ TimeUnit.MILLISECONDS.toNanos(-Long.MAX_VALUE / 3));
+ }
+
+ /**
+ * toString returns name of unit
+ */
+ public void testToString() {
+ assertEquals("SECONDS", TimeUnit.SECONDS.toString());
+ }
+
+ /**
+ * name returns name of unit
+ */
+ public void testName() {
+ assertEquals("SECONDS", TimeUnit.SECONDS.name());
+ }
+
+ /**
+ * Timed wait without holding lock throws
+ * IllegalMonitorStateException
+ */
+ public void testTimedWait_IllegalMonitorException() {
+ Thread t = newStartedThread(new CheckedRunnable() {
+ public void realRun() throws InterruptedException {
+ Object o = new Object();
+ TimeUnit tu = TimeUnit.MILLISECONDS;
+
+ try {
+ tu.timedWait(o, LONG_DELAY_MS);
+ threadShouldThrow();
+ } catch (IllegalMonitorStateException success) {}
+ }});
+
+ awaitTermination(t);
+ }
+
+ /**
+ * timedWait throws InterruptedException when interrupted
+ */
+ public void testTimedWait_Interruptible() {
+ final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
+ Thread t = newStartedThread(new CheckedRunnable() {
+ public void realRun() throws InterruptedException {
+ Object o = new Object();
+ TimeUnit tu = TimeUnit.MILLISECONDS;
+
+ Thread.currentThread().interrupt();
+ try {
+ synchronized (o) {
+ tu.timedWait(o, LONG_DELAY_MS);
+ }
+ shouldThrow();
+ } catch (InterruptedException success) {}
+ assertFalse(Thread.interrupted());
+
+ pleaseInterrupt.countDown();
+ try {
+ synchronized (o) {
+ tu.timedWait(o, LONG_DELAY_MS);
+ }
+ shouldThrow();
+ } catch (InterruptedException success) {}
+ assertFalse(Thread.interrupted());
+ }});
+
+ await(pleaseInterrupt);
+ assertThreadStaysAlive(t);
+ t.interrupt();
+ awaitTermination(t);
+ }
+
+ /**
+ * timedJoin throws InterruptedException when interrupted
+ */
+ public void testTimedJoin_Interruptible() {
+ final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
+ final Thread s = newStartedThread(new CheckedInterruptedRunnable() {
+ public void realRun() throws InterruptedException {
+ Thread.sleep(LONG_DELAY_MS);
+ }});
+ final Thread t = newStartedThread(new CheckedRunnable() {
+ public void realRun() throws InterruptedException {
+ TimeUnit tu = TimeUnit.MILLISECONDS;
+ Thread.currentThread().interrupt();
+ try {
+ tu.timedJoin(s, LONG_DELAY_MS);
+ shouldThrow();
+ } catch (InterruptedException success) {}
+ assertFalse(Thread.interrupted());
+
+ pleaseInterrupt.countDown();
+ try {
+ tu.timedJoin(s, LONG_DELAY_MS);
+ shouldThrow();
+ } catch (InterruptedException success) {}
+ assertFalse(Thread.interrupted());
+ }});
+
+ await(pleaseInterrupt);
+ assertThreadStaysAlive(t);
+ t.interrupt();
+ awaitTermination(t);
+ s.interrupt();
+ awaitTermination(s);
+ }
+
+ /**
+ * timedSleep throws InterruptedException when interrupted
+ */
+ public void testTimedSleep_Interruptible() {
+ final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
+ Thread t = newStartedThread(new CheckedRunnable() {
+ public void realRun() throws InterruptedException {
+ TimeUnit tu = TimeUnit.MILLISECONDS;
+ Thread.currentThread().interrupt();
+ try {
+ tu.sleep(LONG_DELAY_MS);
+ shouldThrow();
+ } catch (InterruptedException success) {}
+ assertFalse(Thread.interrupted());
+
+ pleaseInterrupt.countDown();
+ try {
+ tu.sleep(LONG_DELAY_MS);
+ shouldThrow();
+ } catch (InterruptedException success) {}
+ assertFalse(Thread.interrupted());
+ }});
+
+ await(pleaseInterrupt);
+ assertThreadStaysAlive(t);
+ t.interrupt();
+ awaitTermination(t);
+ }
+
+ /**
+ * a deserialized serialized unit is the same instance
+ */
+ public void testSerialization() throws Exception {
+ TimeUnit x = TimeUnit.MILLISECONDS;
+ assertSame(x, serialClone(x));
+ }
+
+}
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