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dl |
1.1 |
/* |
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dl |
1.6 |
* 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/licenses/publicdomain |
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* Other contributors include Andrew Wright, Jeffrey Hayes, |
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* Pat Fisher, Mike Judd. |
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dl |
1.1 |
*/ |
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import junit.framework.*; |
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import java.util.concurrent.*; |
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dl |
1.2 |
import java.io.*; |
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dl |
1.1 |
|
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1.3 |
public class TimeUnitTest extends JSR166TestCase { |
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dl |
1.1 |
public static void main(String[] args) { |
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junit.textui.TestRunner.run(suite()); |
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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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dl |
1.9 |
// (loops to 88888 check increments at all time divisions.) |
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1.4 |
/** |
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1.9 |
* convert correctly converts sample values across the units |
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1.4 |
*/ |
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dl |
1.1 |
public void testConvert() { |
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dl |
1.9 |
for (long t = 0; t < 88888; ++t) { |
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assertEquals(t*60*60*24, |
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TimeUnit.SECONDS.convert(t, |
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TimeUnit.DAYS)); |
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assertEquals(t*60*60, |
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TimeUnit.SECONDS.convert(t, |
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TimeUnit.HOURS)); |
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assertEquals(t*60, |
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TimeUnit.SECONDS.convert(t, |
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TimeUnit.MINUTES)); |
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dl |
1.1 |
assertEquals(t, |
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TimeUnit.SECONDS.convert(t, |
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TimeUnit.SECONDS)); |
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assertEquals(t, |
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dl |
1.9 |
TimeUnit.SECONDS.convert(1000L*t, |
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dl |
1.1 |
TimeUnit.MILLISECONDS)); |
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assertEquals(t, |
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1.9 |
TimeUnit.SECONDS.convert(1000000L*t, |
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1.1 |
TimeUnit.MICROSECONDS)); |
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assertEquals(t, |
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1.9 |
TimeUnit.SECONDS.convert(1000000000L*t, |
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1.1 |
TimeUnit.NANOSECONDS)); |
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1.9 |
|
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assertEquals(1000L*t*60*60*24, |
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TimeUnit.MILLISECONDS.convert(t, |
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TimeUnit.DAYS)); |
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assertEquals(1000L*t*60*60, |
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TimeUnit.MILLISECONDS.convert(t, |
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TimeUnit.HOURS)); |
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assertEquals(1000L*t*60, |
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TimeUnit.MILLISECONDS.convert(t, |
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TimeUnit.MINUTES)); |
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assertEquals(1000L*t, |
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dl |
1.1 |
TimeUnit.MILLISECONDS.convert(t, |
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TimeUnit.SECONDS)); |
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assertEquals(t, |
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TimeUnit.MILLISECONDS.convert(t, |
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TimeUnit.MILLISECONDS)); |
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assertEquals(t, |
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1.9 |
TimeUnit.MILLISECONDS.convert(1000L*t, |
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1.1 |
TimeUnit.MICROSECONDS)); |
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assertEquals(t, |
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1.9 |
TimeUnit.MILLISECONDS.convert(1000000L*t, |
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1.1 |
TimeUnit.NANOSECONDS)); |
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1.9 |
|
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assertEquals(1000000L*t*60*60*24, |
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TimeUnit.MICROSECONDS.convert(t, |
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TimeUnit.DAYS)); |
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assertEquals(1000000L*t*60*60, |
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TimeUnit.MICROSECONDS.convert(t, |
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TimeUnit.HOURS)); |
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assertEquals(1000000L*t*60, |
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TimeUnit.MICROSECONDS.convert(t, |
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TimeUnit.MINUTES)); |
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assertEquals(1000000L*t, |
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1.1 |
TimeUnit.MICROSECONDS.convert(t, |
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TimeUnit.SECONDS)); |
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1.9 |
assertEquals(1000L*t, |
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1.1 |
TimeUnit.MICROSECONDS.convert(t, |
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TimeUnit.MILLISECONDS)); |
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assertEquals(t, |
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TimeUnit.MICROSECONDS.convert(t, |
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TimeUnit.MICROSECONDS)); |
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assertEquals(t, |
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dl |
1.9 |
TimeUnit.MICROSECONDS.convert(1000L*t, |
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1.1 |
TimeUnit.NANOSECONDS)); |
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1.9 |
|
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assertEquals(1000000000L*t*60*60*24, |
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TimeUnit.NANOSECONDS.convert(t, |
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TimeUnit.DAYS)); |
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assertEquals(1000000000L*t*60*60, |
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TimeUnit.NANOSECONDS.convert(t, |
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TimeUnit.HOURS)); |
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assertEquals(1000000000L*t*60, |
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TimeUnit.NANOSECONDS.convert(t, |
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TimeUnit.MINUTES)); |
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assertEquals(1000000000L*t, |
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1.1 |
TimeUnit.NANOSECONDS.convert(t, |
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TimeUnit.SECONDS)); |
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1.9 |
assertEquals(1000000L*t, |
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1.1 |
TimeUnit.NANOSECONDS.convert(t, |
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TimeUnit.MILLISECONDS)); |
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1.9 |
assertEquals(1000L*t, |
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dl |
1.1 |
TimeUnit.NANOSECONDS.convert(t, |
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TimeUnit.MICROSECONDS)); |
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assertEquals(t, |
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TimeUnit.NANOSECONDS.convert(t, |
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TimeUnit.NANOSECONDS)); |
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} |
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} |
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dl |
1.4 |
/** |
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dl |
1.5 |
* toNanos correctly converts sample values in different units to |
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* nanoseconds |
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1.4 |
*/ |
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dl |
1.1 |
public void testToNanos() { |
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dl |
1.9 |
for (long t = 0; t < 88888; ++t) { |
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assertEquals(t*1000000000L*60*60*24, |
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TimeUnit.DAYS.toNanos(t)); |
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assertEquals(t*1000000000L*60*60, |
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TimeUnit.HOURS.toNanos(t)); |
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assertEquals(t*1000000000L*60, |
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TimeUnit.MINUTES.toNanos(t)); |
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assertEquals(1000000000L*t, |
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1.1 |
TimeUnit.SECONDS.toNanos(t)); |
135 |
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1.9 |
assertEquals(1000000L*t, |
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dl |
1.1 |
TimeUnit.MILLISECONDS.toNanos(t)); |
137 |
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1.9 |
assertEquals(1000L*t, |
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dl |
1.1 |
TimeUnit.MICROSECONDS.toNanos(t)); |
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assertEquals(t, |
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1.3 |
TimeUnit.NANOSECONDS.toNanos(t)); |
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} |
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} |
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dl |
1.4 |
/** |
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dl |
1.5 |
* toMicros correctly converts sample values in different units to |
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* microseconds |
147 |
dl |
1.4 |
*/ |
148 |
dl |
1.3 |
public void testToMicros() { |
149 |
dl |
1.9 |
for (long t = 0; t < 88888; ++t) { |
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assertEquals(t*1000000L*60*60*24, |
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TimeUnit.DAYS.toMicros(t)); |
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assertEquals(t*1000000L*60*60, |
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TimeUnit.HOURS.toMicros(t)); |
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assertEquals(t*1000000L*60, |
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TimeUnit.MINUTES.toMicros(t)); |
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assertEquals(1000000L*t, |
157 |
dl |
1.3 |
TimeUnit.SECONDS.toMicros(t)); |
158 |
dl |
1.9 |
assertEquals(1000L*t, |
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dl |
1.3 |
TimeUnit.MILLISECONDS.toMicros(t)); |
160 |
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assertEquals(t, |
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TimeUnit.MICROSECONDS.toMicros(t)); |
162 |
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assertEquals(t, |
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dl |
1.9 |
TimeUnit.NANOSECONDS.toMicros(t*1000L)); |
164 |
dl |
1.3 |
} |
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} |
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dl |
1.4 |
/** |
168 |
dl |
1.5 |
* toMillis correctly converts sample values in different units to |
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* milliseconds |
170 |
dl |
1.4 |
*/ |
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dl |
1.3 |
public void testToMillis() { |
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dl |
1.9 |
for (long t = 0; t < 88888; ++t) { |
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assertEquals(t*1000L*60*60*24, |
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TimeUnit.DAYS.toMillis(t)); |
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assertEquals(t*1000L*60*60, |
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TimeUnit.HOURS.toMillis(t)); |
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assertEquals(t*1000L*60, |
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TimeUnit.MINUTES.toMillis(t)); |
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assertEquals(1000L*t, |
180 |
dl |
1.3 |
TimeUnit.SECONDS.toMillis(t)); |
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assertEquals(t, |
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TimeUnit.MILLISECONDS.toMillis(t)); |
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assertEquals(t, |
184 |
dl |
1.9 |
TimeUnit.MICROSECONDS.toMillis(t*1000L)); |
185 |
dl |
1.3 |
assertEquals(t, |
186 |
dl |
1.9 |
TimeUnit.NANOSECONDS.toMillis(t*1000000L)); |
187 |
dl |
1.3 |
} |
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} |
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190 |
dl |
1.4 |
/** |
191 |
dl |
1.5 |
* toSeconds correctly converts sample values in different units to |
192 |
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* seconds |
193 |
dl |
1.4 |
*/ |
194 |
dl |
1.3 |
public void testToSeconds() { |
195 |
dl |
1.9 |
for (long t = 0; t < 88888; ++t) { |
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assertEquals(t*60*60*24, |
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TimeUnit.DAYS.toSeconds(t)); |
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assertEquals(t*60*60, |
199 |
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TimeUnit.HOURS.toSeconds(t)); |
200 |
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assertEquals(t*60, |
201 |
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TimeUnit.MINUTES.toSeconds(t)); |
202 |
dl |
1.3 |
assertEquals(t, |
203 |
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TimeUnit.SECONDS.toSeconds(t)); |
204 |
dl |
1.9 |
assertEquals(t, |
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TimeUnit.MILLISECONDS.toSeconds(t*1000L)); |
206 |
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assertEquals(t, |
207 |
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TimeUnit.MICROSECONDS.toSeconds(t*1000000L)); |
208 |
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assertEquals(t, |
209 |
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TimeUnit.NANOSECONDS.toSeconds(t*1000000000L)); |
210 |
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} |
211 |
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} |
212 |
dl |
1.3 |
|
213 |
dl |
1.9 |
/** |
214 |
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* toMinutes correctly converts sample values in different units to |
215 |
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* minutes |
216 |
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*/ |
217 |
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public void testToMinutes() { |
218 |
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for (long t = 0; t < 88888; ++t) { |
219 |
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assertEquals(t*60*24, |
220 |
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TimeUnit.DAYS.toMinutes(t)); |
221 |
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assertEquals(t*60, |
222 |
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TimeUnit.HOURS.toMinutes(t)); |
223 |
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assertEquals(t, |
224 |
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TimeUnit.MINUTES.toMinutes(t)); |
225 |
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assertEquals(t, |
226 |
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TimeUnit.SECONDS.toMinutes(t*60)); |
227 |
dl |
1.3 |
assertEquals(t, |
228 |
dl |
1.9 |
TimeUnit.MILLISECONDS.toMinutes(t*1000L*60)); |
229 |
dl |
1.3 |
assertEquals(t, |
230 |
dl |
1.9 |
TimeUnit.MICROSECONDS.toMinutes(t*1000000L*60)); |
231 |
dl |
1.3 |
assertEquals(t, |
232 |
dl |
1.9 |
TimeUnit.NANOSECONDS.toMinutes(t*1000000000L*60)); |
233 |
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} |
234 |
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} |
235 |
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236 |
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/** |
237 |
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* toHours correctly converts sample values in different units to |
238 |
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* hours |
239 |
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*/ |
240 |
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public void testToHours() { |
241 |
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for (long t = 0; t < 88888; ++t) { |
242 |
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assertEquals(t*24, |
243 |
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TimeUnit.DAYS.toHours(t)); |
244 |
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assertEquals(t, |
245 |
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TimeUnit.HOURS.toHours(t)); |
246 |
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assertEquals(t, |
247 |
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TimeUnit.MINUTES.toHours(t*60)); |
248 |
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assertEquals(t, |
249 |
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TimeUnit.SECONDS.toHours(t*60*60)); |
250 |
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assertEquals(t, |
251 |
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TimeUnit.MILLISECONDS.toHours(t*1000L*60*60)); |
252 |
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assertEquals(t, |
253 |
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TimeUnit.MICROSECONDS.toHours(t*1000000L*60*60)); |
254 |
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assertEquals(t, |
255 |
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TimeUnit.NANOSECONDS.toHours(t*1000000000L*60*60)); |
256 |
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} |
257 |
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} |
258 |
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259 |
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/** |
260 |
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* toDays correctly converts sample values in different units to |
261 |
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* days |
262 |
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*/ |
263 |
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public void testToDays() { |
264 |
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for (long t = 0; t < 88888; ++t) { |
265 |
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assertEquals(t, |
266 |
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TimeUnit.DAYS.toDays(t)); |
267 |
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assertEquals(t, |
268 |
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TimeUnit.HOURS.toDays(t*24)); |
269 |
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assertEquals(t, |
270 |
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TimeUnit.MINUTES.toDays(t*60*24)); |
271 |
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assertEquals(t, |
272 |
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TimeUnit.SECONDS.toDays(t*60*60*24)); |
273 |
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assertEquals(t, |
274 |
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TimeUnit.MILLISECONDS.toDays(t*1000L*60*60*24)); |
275 |
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assertEquals(t, |
276 |
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TimeUnit.MICROSECONDS.toDays(t*1000000L*60*60*24)); |
277 |
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assertEquals(t, |
278 |
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TimeUnit.NANOSECONDS.toDays(t*1000000000L*60*60*24)); |
279 |
dl |
1.1 |
} |
280 |
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} |
281 |
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282 |
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|
283 |
dl |
1.4 |
/** |
284 |
dl |
1.5 |
* convert saturates positive too-large values to Long.MAX_VALUE |
285 |
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* and negative to LONG.MIN_VALUE |
286 |
dl |
1.4 |
*/ |
287 |
dl |
1.1 |
public void testConvertSaturate() { |
288 |
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assertEquals(Long.MAX_VALUE, |
289 |
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TimeUnit.NANOSECONDS.convert(Long.MAX_VALUE / 2, |
290 |
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TimeUnit.SECONDS)); |
291 |
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assertEquals(Long.MIN_VALUE, |
292 |
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TimeUnit.NANOSECONDS.convert(-Long.MAX_VALUE / 4, |
293 |
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TimeUnit.SECONDS)); |
294 |
dl |
1.9 |
assertEquals(Long.MAX_VALUE, |
295 |
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TimeUnit.NANOSECONDS.convert(Long.MAX_VALUE / 2, |
296 |
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TimeUnit.MINUTES)); |
297 |
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assertEquals(Long.MIN_VALUE, |
298 |
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TimeUnit.NANOSECONDS.convert(-Long.MAX_VALUE / 4, |
299 |
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TimeUnit.MINUTES)); |
300 |
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assertEquals(Long.MAX_VALUE, |
301 |
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TimeUnit.NANOSECONDS.convert(Long.MAX_VALUE / 2, |
302 |
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TimeUnit.HOURS)); |
303 |
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assertEquals(Long.MIN_VALUE, |
304 |
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TimeUnit.NANOSECONDS.convert(-Long.MAX_VALUE / 4, |
305 |
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TimeUnit.HOURS)); |
306 |
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assertEquals(Long.MAX_VALUE, |
307 |
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TimeUnit.NANOSECONDS.convert(Long.MAX_VALUE / 2, |
308 |
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TimeUnit.DAYS)); |
309 |
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assertEquals(Long.MIN_VALUE, |
310 |
|
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TimeUnit.NANOSECONDS.convert(-Long.MAX_VALUE / 4, |
311 |
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TimeUnit.DAYS)); |
312 |
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|
313 |
dl |
1.1 |
} |
314 |
|
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|
315 |
dl |
1.4 |
/** |
316 |
dl |
1.5 |
* toNanos saturates positive too-large values to Long.MAX_VALUE |
317 |
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* and negative to LONG.MIN_VALUE |
318 |
dl |
1.4 |
*/ |
319 |
dl |
1.1 |
public void testToNanosSaturate() { |
320 |
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assertEquals(Long.MAX_VALUE, |
321 |
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TimeUnit.MILLISECONDS.toNanos(Long.MAX_VALUE / 2)); |
322 |
|
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assertEquals(Long.MIN_VALUE, |
323 |
|
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TimeUnit.MILLISECONDS.toNanos(-Long.MAX_VALUE / 3)); |
324 |
|
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} |
325 |
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|
326 |
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|
327 |
dl |
1.4 |
/** |
328 |
dl |
1.7 |
* toString returns string containing common name of unit |
329 |
dl |
1.4 |
*/ |
330 |
dl |
1.1 |
public void testToString() { |
331 |
|
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String s = TimeUnit.SECONDS.toString(); |
332 |
dl |
1.8 |
assertTrue(s.indexOf("ECOND") >= 0); |
333 |
dl |
1.1 |
} |
334 |
|
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|
335 |
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|
336 |
|
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/** |
337 |
dl |
1.3 |
* Timed wait without holding lock throws |
338 |
|
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* IllegalMonitorStateException |
339 |
dl |
1.1 |
*/ |
340 |
dl |
1.3 |
public void testTimedWait_IllegalMonitorException() { |
341 |
dl |
1.1 |
//created a new thread with anonymous runnable |
342 |
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|
343 |
|
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Thread t = new Thread(new Runnable() { |
344 |
|
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public void run() { |
345 |
|
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Object o = new Object(); |
346 |
|
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TimeUnit tu = TimeUnit.MILLISECONDS; |
347 |
|
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try { |
348 |
dl |
1.3 |
tu.timedWait(o,LONG_DELAY_MS); |
349 |
dl |
1.4 |
threadShouldThrow(); |
350 |
dl |
1.1 |
} |
351 |
|
|
catch (InterruptedException ie) { |
352 |
dl |
1.4 |
threadUnexpectedException(); |
353 |
dl |
1.1 |
} |
354 |
|
|
catch(IllegalMonitorStateException success) { |
355 |
|
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} |
356 |
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|
357 |
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} |
358 |
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}); |
359 |
|
|
t.start(); |
360 |
|
|
try { |
361 |
dl |
1.3 |
Thread.sleep(SHORT_DELAY_MS); |
362 |
dl |
1.1 |
t.interrupt(); |
363 |
|
|
t.join(); |
364 |
|
|
} catch(Exception e) { |
365 |
dl |
1.4 |
unexpectedException(); |
366 |
dl |
1.1 |
} |
367 |
|
|
} |
368 |
|
|
|
369 |
|
|
/** |
370 |
dl |
1.5 |
* timedWait throws InterruptedException when interrupted |
371 |
dl |
1.4 |
*/ |
372 |
dl |
1.1 |
public void testTimedWait() { |
373 |
|
|
Thread t = new Thread(new Runnable() { |
374 |
|
|
public void run() { |
375 |
|
|
Object o = new Object(); |
376 |
|
|
|
377 |
|
|
TimeUnit tu = TimeUnit.MILLISECONDS; |
378 |
|
|
try { |
379 |
|
|
synchronized(o) { |
380 |
dl |
1.3 |
tu.timedWait(o,MEDIUM_DELAY_MS); |
381 |
dl |
1.1 |
} |
382 |
dl |
1.4 |
threadShouldThrow(); |
383 |
dl |
1.1 |
} |
384 |
|
|
catch(InterruptedException success) {} |
385 |
|
|
catch(IllegalMonitorStateException failure) { |
386 |
dl |
1.4 |
threadUnexpectedException(); |
387 |
dl |
1.1 |
} |
388 |
|
|
} |
389 |
|
|
}); |
390 |
|
|
t.start(); |
391 |
|
|
try { |
392 |
dl |
1.3 |
Thread.sleep(SHORT_DELAY_MS); |
393 |
dl |
1.1 |
t.interrupt(); |
394 |
|
|
t.join(); |
395 |
|
|
} catch(Exception e) { |
396 |
dl |
1.4 |
unexpectedException(); |
397 |
dl |
1.1 |
} |
398 |
|
|
} |
399 |
|
|
|
400 |
|
|
|
401 |
|
|
/** |
402 |
dl |
1.5 |
* timedJoin throws InterruptedException when interrupted |
403 |
dl |
1.4 |
*/ |
404 |
dl |
1.1 |
public void testTimedJoin() { |
405 |
|
|
Thread t = new Thread(new Runnable() { |
406 |
|
|
public void run() { |
407 |
|
|
TimeUnit tu = TimeUnit.MILLISECONDS; |
408 |
|
|
try { |
409 |
|
|
Thread s = new Thread(new Runnable() { |
410 |
|
|
public void run() { |
411 |
dl |
1.4 |
try { |
412 |
dl |
1.3 |
Thread.sleep(MEDIUM_DELAY_MS); |
413 |
dl |
1.4 |
} catch(InterruptedException success){} |
414 |
dl |
1.1 |
} |
415 |
|
|
}); |
416 |
|
|
s.start(); |
417 |
dl |
1.3 |
tu.timedJoin(s,MEDIUM_DELAY_MS); |
418 |
dl |
1.4 |
threadShouldThrow(); |
419 |
dl |
1.1 |
} |
420 |
|
|
catch(Exception e) {} |
421 |
|
|
} |
422 |
|
|
}); |
423 |
|
|
t.start(); |
424 |
|
|
try { |
425 |
dl |
1.3 |
Thread.sleep(SHORT_DELAY_MS); |
426 |
dl |
1.1 |
t.interrupt(); |
427 |
|
|
t.join(); |
428 |
|
|
} catch(Exception e) { |
429 |
dl |
1.4 |
unexpectedException(); |
430 |
dl |
1.1 |
} |
431 |
|
|
} |
432 |
|
|
|
433 |
|
|
/** |
434 |
dl |
1.5 |
* timedSleep throws InterruptedException when interrupted |
435 |
dl |
1.4 |
*/ |
436 |
dl |
1.1 |
public void testTimedSleep() { |
437 |
|
|
//created a new thread with anonymous runnable |
438 |
|
|
|
439 |
|
|
Thread t = new Thread(new Runnable() { |
440 |
|
|
public void run() { |
441 |
|
|
TimeUnit tu = TimeUnit.MILLISECONDS; |
442 |
|
|
try { |
443 |
dl |
1.3 |
tu.sleep(MEDIUM_DELAY_MS); |
444 |
dl |
1.4 |
threadShouldThrow(); |
445 |
dl |
1.1 |
} |
446 |
|
|
catch(InterruptedException success) {} |
447 |
|
|
} |
448 |
|
|
}); |
449 |
|
|
t.start(); |
450 |
|
|
try { |
451 |
dl |
1.3 |
Thread.sleep(SHORT_DELAY_MS); |
452 |
dl |
1.1 |
t.interrupt(); |
453 |
|
|
t.join(); |
454 |
|
|
} catch(Exception e) { |
455 |
dl |
1.4 |
unexpectedException(); |
456 |
dl |
1.1 |
} |
457 |
|
|
} |
458 |
dl |
1.2 |
|
459 |
dl |
1.4 |
/** |
460 |
dl |
1.5 |
* a deserialized serialized unit is equal |
461 |
dl |
1.4 |
*/ |
462 |
dl |
1.2 |
public void testSerialization() { |
463 |
|
|
TimeUnit q = TimeUnit.MILLISECONDS; |
464 |
|
|
|
465 |
|
|
try { |
466 |
|
|
ByteArrayOutputStream bout = new ByteArrayOutputStream(10000); |
467 |
|
|
ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout)); |
468 |
|
|
out.writeObject(q); |
469 |
|
|
out.close(); |
470 |
|
|
|
471 |
|
|
ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray()); |
472 |
|
|
ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin)); |
473 |
|
|
TimeUnit r = (TimeUnit)in.readObject(); |
474 |
|
|
|
475 |
|
|
assertEquals(q.toString(), r.toString()); |
476 |
|
|
} catch(Exception e){ |
477 |
|
|
e.printStackTrace(); |
478 |
dl |
1.4 |
unexpectedException(); |
479 |
dl |
1.2 |
} |
480 |
|
|
} |
481 |
|
|
|
482 |
dl |
1.1 |
} |