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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.atomic.AtomicReference; |
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import junit.framework.Test; |
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import junit.framework.TestSuite; |
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public class AtomicReferenceTest 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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assertTrue(ai.compareAndSet(one, two)); |
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t.join(LONG_DELAY_MS); |
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assertFalse(t.isAlive()); |
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assertSame(ai.get(), three); |
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assertSame(three, ai.get()); |
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} |
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/** |
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*/ |
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public void testWeakCompareAndSet() { |
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AtomicReference ai = new AtomicReference(one); |
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while (!ai.weakCompareAndSet(one, two)); |
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while (!ai.weakCompareAndSet(two, m4)); |
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do {} while (!ai.weakCompareAndSet(one, two)); |
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do {} while (!ai.weakCompareAndSet(two, m4)); |
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assertSame(m4, ai.get()); |
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while (!ai.weakCompareAndSet(m4, seven)); |
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do {} while (!ai.weakCompareAndSet(m4, seven)); |
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assertSame(seven, ai.get()); |
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} |
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public void testSerialization() throws Exception { |
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AtomicReference x = new AtomicReference(); |
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AtomicReference y = serialClone(x); |
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assertTrue(x != y); |
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assertNotSame(x, y); |
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x.set(one); |
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AtomicReference z = serialClone(x); |
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assertNotSame(y, z); |
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assertEquals(one, x.get()); |
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assertEquals(null, y.get()); |
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assertEquals(one, z.get()); |
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*/ |
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public void testToString() { |
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AtomicReference<Integer> ai = new AtomicReference<Integer>(one); |
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assertEquals(ai.toString(), one.toString()); |
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assertEquals(one.toString(), ai.toString()); |
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ai.set(two); |
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assertEquals(ai.toString(), two.toString()); |
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assertEquals(two.toString(), ai.toString()); |
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} |
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} |