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import java.io.*; |
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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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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(AtomicReferenceTest.class); |
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*/ |
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public void testConstructor() { |
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AtomicReference ai = new AtomicReference(one); |
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assertEquals(one,ai.get()); |
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assertSame(one,ai.get()); |
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} |
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/** |
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*/ |
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public void testConstructor2() { |
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AtomicReference ai = new AtomicReference(); |
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assertNull(ai.get()); |
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assertNull(ai.get()); |
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} |
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/** |
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*/ |
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public void testGetSet() { |
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AtomicReference ai = new AtomicReference(one); |
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assertEquals(one,ai.get()); |
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ai.set(two); |
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assertEquals(two,ai.get()); |
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ai.set(m3); |
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assertEquals(m3,ai.get()); |
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assertSame(one,ai.get()); |
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ai.set(two); |
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assertSame(two,ai.get()); |
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ai.set(m3); |
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assertSame(m3,ai.get()); |
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} |
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/** |
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*/ |
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public void testGetLazySet() { |
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AtomicReference ai = new AtomicReference(one); |
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assertEquals(one,ai.get()); |
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ai.lazySet(two); |
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assertEquals(two,ai.get()); |
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ai.lazySet(m3); |
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assertEquals(m3,ai.get()); |
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assertSame(one,ai.get()); |
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ai.lazySet(two); |
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assertSame(two,ai.get()); |
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ai.lazySet(m3); |
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assertSame(m3,ai.get()); |
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} |
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/** |
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*/ |
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public void testCompareAndSet() { |
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AtomicReference ai = new AtomicReference(one); |
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assertTrue(ai.compareAndSet(one,two)); |
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assertTrue(ai.compareAndSet(two,m4)); |
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assertEquals(m4,ai.get()); |
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assertFalse(ai.compareAndSet(m5,seven)); |
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assertFalse((seven.equals(ai.get()))); |
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assertTrue(ai.compareAndSet(m4,seven)); |
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assertEquals(seven,ai.get()); |
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assertTrue(ai.compareAndSet(one,two)); |
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assertTrue(ai.compareAndSet(two,m4)); |
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assertSame(m4,ai.get()); |
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assertFalse(ai.compareAndSet(m5,seven)); |
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assertSame(m4,ai.get()); |
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assertTrue(ai.compareAndSet(m4,seven)); |
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assertSame(seven,ai.get()); |
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} |
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/** |
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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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assertEquals(ai.get(), three); |
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assertSame(ai.get(), three); |
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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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assertEquals(m4,ai.get()); |
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while (!ai.weakCompareAndSet(one,two)); |
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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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assertEquals(seven,ai.get()); |
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assertSame(seven,ai.get()); |
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} |
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/** |
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*/ |
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public void testGetAndSet() { |
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AtomicReference ai = new AtomicReference(one); |
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assertEquals(one,ai.getAndSet(zero)); |
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assertEquals(zero,ai.getAndSet(m10)); |
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assertEquals(m10,ai.getAndSet(one)); |
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assertSame(one,ai.getAndSet(zero)); |
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assertSame(zero,ai.getAndSet(m10)); |
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assertSame(m10,ai.getAndSet(one)); |
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} |
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/** |