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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/licenses/publicdomain |
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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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import junit.framework.*; |
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– |
import java.util.concurrent.Semaphore; |
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public class ThreadLocalTest extends JSR166TestCase { |
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public static void main(String[] args) { |
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* remove causes next access to return initial value |
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*/ |
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public void testRemove() { |
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assertEquals(tl.get(), one); |
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assertSame(tl.get(), one); |
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tl.set(two); |
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assertEquals(tl.get(), two); |
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assertSame(tl.get(), two); |
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tl.remove(); |
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assertEquals(tl.get(), one); |
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assertSame(tl.get(), one); |
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} |
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/** |
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* initial value |
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*/ |
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public void testRemoveITL() { |
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assertEquals(itl.get(), zero); |
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assertSame(itl.get(), zero); |
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itl.set(two); |
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assertEquals(itl.get(), two); |
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assertSame(itl.get(), two); |
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itl.remove(); |
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assertEquals(itl.get(), zero); |
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assertSame(itl.get(), zero); |
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} |
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private class ITLThread extends Thread { |
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child = new ITLThread(x); |
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child.start(); |
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} |
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Thread.currentThread().yield(); |
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Thread.yield(); |
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int threadId = itl.get().intValue(); |
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for (int j = 0; j < threadId; j++) { |
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x[threadId]++; |
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Thread.currentThread().yield(); |
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Thread.yield(); |
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} |
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if (child != null) { // Wait for child (if any) |
