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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 java.util.*; |
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public class AtomicReferenceArrayTest 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(AtomicReferenceArrayTest.class); |
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AtomicReferenceArray ai = new AtomicReferenceArray(SIZE); |
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for (int i = 0; i < SIZE; ++i) { |
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ai.set(i, one); |
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assertEquals(one,ai.get(i)); |
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assertSame(one,ai.get(i)); |
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ai.set(i, two); |
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assertEquals(two,ai.get(i)); |
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assertSame(two,ai.get(i)); |
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ai.set(i, m3); |
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assertEquals(m3,ai.get(i)); |
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assertSame(m3,ai.get(i)); |
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} |
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} |
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AtomicReferenceArray ai = new AtomicReferenceArray(SIZE); |
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for (int i = 0; i < SIZE; ++i) { |
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ai.lazySet(i, one); |
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assertEquals(one,ai.get(i)); |
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assertSame(one,ai.get(i)); |
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ai.lazySet(i, two); |
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assertEquals(two,ai.get(i)); |
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assertSame(two,ai.get(i)); |
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ai.lazySet(i, m3); |
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assertEquals(m3,ai.get(i)); |
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assertSame(m3,ai.get(i)); |
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} |
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} |
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ai.set(i, one); |
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assertTrue(ai.compareAndSet(i, one,two)); |
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assertTrue(ai.compareAndSet(i, two,m4)); |
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assertEquals(m4,ai.get(i)); |
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assertSame(m4,ai.get(i)); |
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assertFalse(ai.compareAndSet(i, m5,seven)); |
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assertFalse((seven.equals(ai.get(i)))); |
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assertSame(m4,ai.get(i)); |
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assertTrue(ai.compareAndSet(i, m4,seven)); |
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assertEquals(seven,ai.get(i)); |
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assertSame(seven,ai.get(i)); |
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} |
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} |
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assertTrue(a.compareAndSet(0, one, two)); |
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t.join(LONG_DELAY_MS); |
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assertFalse(t.isAlive()); |
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assertEquals(a.get(0), three); |
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assertSame(a.get(0), three); |
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} |
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/** |
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ai.set(i, one); |
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while (!ai.weakCompareAndSet(i, one,two)); |
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while (!ai.weakCompareAndSet(i, two,m4)); |
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assertEquals(m4,ai.get(i)); |
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assertSame(m4,ai.get(i)); |
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while (!ai.weakCompareAndSet(i, m4,seven)); |
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assertEquals(seven,ai.get(i)); |
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assertSame(seven,ai.get(i)); |
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} |
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} |
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AtomicReferenceArray ai = new AtomicReferenceArray(SIZE); |
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for (int i = 0; i < SIZE; ++i) { |
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ai.set(i, one); |
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assertEquals(one,ai.getAndSet(i,zero)); |
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assertEquals(0,ai.getAndSet(i,m10)); |
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assertEquals(m10,ai.getAndSet(i,one)); |
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assertSame(one,ai.getAndSet(i,zero)); |
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assertSame(zero,ai.getAndSet(i,m10)); |
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assertSame(m10,ai.getAndSet(i,one)); |
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} |
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} |
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