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jsr166 |
1.1 |
/* |
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* Written by Martin Buchholz and Doug Lea with assistance from |
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* members of JCP JSR-166 Expert Group and released to the public |
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* domain, as explained at |
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* http://creativecommons.org/publicdomain/zero/1.0/ |
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*/ |
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import junit.framework.*; |
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import java.util.concurrent.*; |
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import static java.util.concurrent.TimeUnit.MILLISECONDS; |
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import java.util.*; |
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public class ThreadPoolExecutor9Test extends JSR166TestCase { |
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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(ThreadPoolExecutor9Test.class); |
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} |
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/** |
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* Configuration changes that allow core pool size greater than |
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* max pool size result in IllegalArgumentException. |
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*/ |
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public void testPoolSizeInvariants() { |
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ThreadPoolExecutor p = |
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new ThreadPoolExecutor(1, 1, |
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LONG_DELAY_MS, MILLISECONDS, |
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new ArrayBlockingQueue<Runnable>(10)); |
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for (int s = 1; s < 5; s++) { |
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p.setMaximumPoolSize(s); |
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p.setCorePoolSize(s); |
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try { |
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p.setMaximumPoolSize(s - 1); |
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shouldThrow(); |
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} catch (IllegalArgumentException success) {} |
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assertEquals(s, p.getCorePoolSize()); |
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assertEquals(s, p.getMaximumPoolSize()); |
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try { |
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p.setCorePoolSize(s + 1); |
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shouldThrow(); |
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} catch (IllegalArgumentException success) {} |
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assertEquals(s, p.getCorePoolSize()); |
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assertEquals(s, p.getMaximumPoolSize()); |
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} |
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joinPool(p); |
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} |
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} |
