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import junit.framework.Test; |
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import junit.framework.TestSuite; |
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/** |
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* Tests of atomic class methods accepting lambdas introduced in JDK8. |
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*/ |
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public class Atomic8Test extends JSR166TestCase { |
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public static void main(String[] args) { |
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return new TestSuite(Atomic8Test.class); |
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} |
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|
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/* |
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* Tests of atomic class methods accepting lambdas |
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* introduced in JDK8. |
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*/ |
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static long addLong17(long x) { return x + 17; } |
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static int addInt17(int x) { return x + 17; } |
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static Integer addInteger17(Integer x) { |
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return new Integer(x.intValue() + 17); |
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return x.intValue() + 17; |
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} |
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static Integer sumInteger(Integer x, Integer y) { |
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return new Integer(x.intValue() + y.intValue()); |
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return x.intValue() + y.intValue(); |
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} |
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volatile long aLongField; |
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*/ |
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public void testReferenceGetAndUpdate() { |
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AtomicReference<Integer> a = new AtomicReference<>(one); |
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assertEquals(new Integer(1), a.getAndUpdate(Atomic8Test::addInteger17)); |
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assertEquals(new Integer(18), a.getAndUpdate(Atomic8Test::addInteger17)); |
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assertEquals(new Integer(35), a.get()); |
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assertEquals((Integer) 1, a.getAndUpdate(Atomic8Test::addInteger17)); |
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assertEquals((Integer) 18, a.getAndUpdate(Atomic8Test::addInteger17)); |
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assertEquals((Integer) 35, a.get()); |
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} |
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/** |
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*/ |
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public void testReferenceUpdateAndGet() { |
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AtomicReference<Integer> a = new AtomicReference<>(one); |
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assertEquals(new Integer(18), a.updateAndGet(Atomic8Test::addInteger17)); |
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assertEquals(new Integer(35), a.updateAndGet(Atomic8Test::addInteger17)); |
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assertEquals(new Integer(35), a.get()); |
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assertEquals((Integer) 18, a.updateAndGet(Atomic8Test::addInteger17)); |
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assertEquals((Integer) 35, a.updateAndGet(Atomic8Test::addInteger17)); |
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assertEquals((Integer) 35, a.get()); |
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} |
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/** |
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*/ |
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public void testReferenceGetAndAccumulate() { |
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AtomicReference<Integer> a = new AtomicReference<>(one); |
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assertEquals(new Integer(1), a.getAndAccumulate(2, Atomic8Test::sumInteger)); |
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assertEquals(new Integer(3), a.getAndAccumulate(3, Atomic8Test::sumInteger)); |
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assertEquals(new Integer(6), a.get()); |
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assertEquals((Integer) 1, a.getAndAccumulate(2, Atomic8Test::sumInteger)); |
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assertEquals((Integer) 3, a.getAndAccumulate(3, Atomic8Test::sumInteger)); |
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assertEquals((Integer) 6, a.get()); |
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} |
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/** |
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*/ |
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public void testReferenceAccumulateAndGet() { |
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AtomicReference<Integer> a = new AtomicReference<>(one); |
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assertEquals(new Integer(7), a.accumulateAndGet(6, Atomic8Test::sumInteger)); |
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assertEquals(new Integer(10), a.accumulateAndGet(3, Atomic8Test::sumInteger)); |
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assertEquals(new Integer(10), a.get()); |
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assertEquals((Integer) 7, a.accumulateAndGet(6, Atomic8Test::sumInteger)); |
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assertEquals((Integer) 10, a.accumulateAndGet(3, Atomic8Test::sumInteger)); |
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assertEquals((Integer) 10, a.get()); |
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} |
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/** |
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public void testReferenceArrayGetAndUpdate() { |
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AtomicReferenceArray<Integer> a = new AtomicReferenceArray<Integer>(1); |
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a.set(0, one); |
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assertEquals(new Integer(1), a.getAndUpdate(0, Atomic8Test::addInteger17)); |
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assertEquals(new Integer(18), a.getAndUpdate(0, Atomic8Test::addInteger17)); |
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assertEquals(new Integer(35), a.get(0)); |
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assertEquals((Integer) 1, a.getAndUpdate(0, Atomic8Test::addInteger17)); |
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assertEquals((Integer) 18, a.getAndUpdate(0, Atomic8Test::addInteger17)); |
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assertEquals((Integer) 35, a.get(0)); |
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} |
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/** |
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public void testReferenceArrayUpdateAndGet() { |
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AtomicReferenceArray<Integer> a = new AtomicReferenceArray<Integer>(1); |
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a.set(0, one); |
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assertEquals(new Integer(18), a.updateAndGet(0, Atomic8Test::addInteger17)); |
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assertEquals(new Integer(35), a.updateAndGet(0, Atomic8Test::addInteger17)); |
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assertEquals((Integer) 18, a.updateAndGet(0, Atomic8Test::addInteger17)); |
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assertEquals((Integer) 35, a.updateAndGet(0, Atomic8Test::addInteger17)); |
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} |
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/** |
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public void testReferenceArrayGetAndAccumulate() { |
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AtomicReferenceArray<Integer> a = new AtomicReferenceArray<Integer>(1); |
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a.set(0, one); |
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assertEquals(new Integer(1), a.getAndAccumulate(0, 2, Atomic8Test::sumInteger)); |
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assertEquals(new Integer(3), a.getAndAccumulate(0, 3, Atomic8Test::sumInteger)); |
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assertEquals(new Integer(6), a.get(0)); |
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assertEquals((Integer) 1, a.getAndAccumulate(0, 2, Atomic8Test::sumInteger)); |
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assertEquals((Integer) 3, a.getAndAccumulate(0, 3, Atomic8Test::sumInteger)); |
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assertEquals((Integer) 6, a.get(0)); |
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} |
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/** |
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public void testReferenceArrayAccumulateAndGet() { |
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AtomicReferenceArray<Integer> a = new AtomicReferenceArray<Integer>(1); |
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a.set(0, one); |
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assertEquals(new Integer(7), a.accumulateAndGet(0, 6, Atomic8Test::sumInteger)); |
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assertEquals(new Integer(10), a.accumulateAndGet(0, 3, Atomic8Test::sumInteger)); |
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assertEquals((Integer) 7, a.accumulateAndGet(0, 6, Atomic8Test::sumInteger)); |
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assertEquals((Integer) 10, a.accumulateAndGet(0, 3, Atomic8Test::sumInteger)); |
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} |
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/** |
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public void testReferenceFieldUpdaterGetAndUpdate() { |
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AtomicReferenceFieldUpdater<Atomic8Test,Integer> a = anIntegerFieldUpdater(); |
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a.set(this, one); |
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assertEquals(new Integer(1), a.getAndUpdate(this, Atomic8Test::addInteger17)); |
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assertEquals(new Integer(18), a.getAndUpdate(this, Atomic8Test::addInteger17)); |
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assertEquals(new Integer(35), a.get(this)); |
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assertEquals(new Integer(35), anIntegerField); |
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assertEquals((Integer) 1, a.getAndUpdate(this, Atomic8Test::addInteger17)); |
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assertEquals((Integer) 18, a.getAndUpdate(this, Atomic8Test::addInteger17)); |
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assertEquals((Integer) 35, a.get(this)); |
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assertEquals((Integer) 35, anIntegerField); |
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} |
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/** |
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public void testReferenceFieldUpdaterUpdateAndGet() { |
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AtomicReferenceFieldUpdater<Atomic8Test,Integer> a = anIntegerFieldUpdater(); |
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a.set(this, one); |
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assertEquals(new Integer(18), a.updateAndGet(this, Atomic8Test::addInteger17)); |
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assertEquals(new Integer(35), a.updateAndGet(this, Atomic8Test::addInteger17)); |
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assertEquals(new Integer(35), a.get(this)); |
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assertEquals(new Integer(35), anIntegerField); |
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assertEquals((Integer) 18, a.updateAndGet(this, Atomic8Test::addInteger17)); |
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assertEquals((Integer) 35, a.updateAndGet(this, Atomic8Test::addInteger17)); |
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assertEquals((Integer) 35, a.get(this)); |
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assertEquals((Integer) 35, anIntegerField); |
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} |
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/** |
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public void testReferenceFieldUpdaterGetAndAccumulate() { |
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AtomicReferenceFieldUpdater<Atomic8Test,Integer> a = anIntegerFieldUpdater(); |
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a.set(this, one); |
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assertEquals(new Integer(1), a.getAndAccumulate(this, 2, Atomic8Test::sumInteger)); |
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assertEquals(new Integer(3), a.getAndAccumulate(this, 3, Atomic8Test::sumInteger)); |
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assertEquals(new Integer(6), a.get(this)); |
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assertEquals(new Integer(6), anIntegerField); |
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assertEquals((Integer) 1, a.getAndAccumulate(this, 2, Atomic8Test::sumInteger)); |
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assertEquals((Integer) 3, a.getAndAccumulate(this, 3, Atomic8Test::sumInteger)); |
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assertEquals((Integer) 6, a.get(this)); |
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assertEquals((Integer) 6, anIntegerField); |
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} |
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/** |
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public void testReferenceFieldUpdaterAccumulateAndGet() { |
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AtomicReferenceFieldUpdater<Atomic8Test,Integer> a = anIntegerFieldUpdater(); |
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a.set(this, one); |
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assertEquals(new Integer(7), a.accumulateAndGet(this, 6, Atomic8Test::sumInteger)); |
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assertEquals(new Integer(10), a.accumulateAndGet(this, 3, Atomic8Test::sumInteger)); |
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assertEquals(new Integer(10), a.get(this)); |
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assertEquals(new Integer(10), anIntegerField); |
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assertEquals((Integer) 7, a.accumulateAndGet(this, 6, Atomic8Test::sumInteger)); |
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assertEquals((Integer) 10, a.accumulateAndGet(this, 3, Atomic8Test::sumInteger)); |
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assertEquals((Integer) 10, a.get(this)); |
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assertEquals((Integer) 10, anIntegerField); |
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} |
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/** |