| 1 |
jsr166 |
1.1 |
/* |
| 2 |
|
|
* Written by Martin Buchholz and Doug Lea with assistance from |
| 3 |
|
|
* members of JCP JSR-166 Expert Group and released to the public |
| 4 |
|
|
* domain, as explained at |
| 5 |
|
|
* http://creativecommons.org/publicdomain/zero/1.0/ |
| 6 |
|
|
*/ |
| 7 |
|
|
|
| 8 |
|
|
import junit.framework.*; |
| 9 |
|
|
import java.util.concurrent.*; |
| 10 |
|
|
import static java.util.concurrent.TimeUnit.MILLISECONDS; |
| 11 |
|
|
import static java.util.concurrent.TimeUnit.NANOSECONDS; |
| 12 |
|
|
import java.util.*; |
| 13 |
|
|
|
| 14 |
|
|
public class ThreadPoolExecutor9Test extends JSR166TestCase { |
| 15 |
|
|
public static void main(String[] args) { |
| 16 |
|
|
junit.textui.TestRunner.run(suite()); |
| 17 |
|
|
} |
| 18 |
|
|
public static Test suite() { |
| 19 |
|
|
return new TestSuite(ThreadPoolExecutor9Test.class); |
| 20 |
|
|
} |
| 21 |
|
|
|
| 22 |
|
|
/** |
| 23 |
|
|
* Configuration changes that allow core pool size greater than |
| 24 |
|
|
* max pool size result in IllegalArgumentException. |
| 25 |
|
|
*/ |
| 26 |
|
|
public void testPoolSizeInvariants() { |
| 27 |
|
|
ThreadPoolExecutor p = |
| 28 |
|
|
new ThreadPoolExecutor(1, 1, |
| 29 |
|
|
LONG_DELAY_MS, MILLISECONDS, |
| 30 |
|
|
new ArrayBlockingQueue<Runnable>(10)); |
| 31 |
|
|
for (int s = 1; s < 5; s++) { |
| 32 |
|
|
p.setMaximumPoolSize(s); |
| 33 |
|
|
p.setCorePoolSize(s); |
| 34 |
|
|
try { |
| 35 |
|
|
p.setMaximumPoolSize(s - 1); |
| 36 |
|
|
shouldThrow(); |
| 37 |
|
|
} catch (IllegalArgumentException success) {} |
| 38 |
|
|
assertEquals(s, p.getCorePoolSize()); |
| 39 |
|
|
assertEquals(s, p.getMaximumPoolSize()); |
| 40 |
|
|
try { |
| 41 |
|
|
p.setCorePoolSize(s + 1); |
| 42 |
|
|
shouldThrow(); |
| 43 |
|
|
} catch (IllegalArgumentException success) {} |
| 44 |
|
|
assertEquals(s, p.getCorePoolSize()); |
| 45 |
|
|
assertEquals(s, p.getMaximumPoolSize()); |
| 46 |
|
|
} |
| 47 |
|
|
joinPool(p); |
| 48 |
|
|
} |
| 49 |
|
|
|
| 50 |
|
|
} |
