| /* |
| * Written by Doug Lea and Martin Buchholz with assistance from |
| * members of JCP JSR-166 Expert Group and released to the public |
| * domain, as explained at |
| * http://creativecommons.org/publicdomain/zero/1.0/ |
| */ |
| |
| package jsr166; |
| |
| import java.util.concurrent.atomic.AtomicInteger; |
| import java.util.concurrent.atomic.AtomicIntegerArray; |
| import java.util.concurrent.atomic.AtomicIntegerFieldUpdater; |
| import java.util.concurrent.atomic.AtomicLong; |
| import java.util.concurrent.atomic.AtomicLongArray; |
| import java.util.concurrent.atomic.AtomicLongFieldUpdater; |
| import java.util.concurrent.atomic.AtomicReference; |
| import java.util.concurrent.atomic.AtomicReferenceArray; |
| import java.util.concurrent.atomic.AtomicReferenceFieldUpdater; |
| |
| import junit.framework.Test; |
| import junit.framework.TestSuite; |
| |
| public class Atomic8Test extends JSR166TestCase { |
| |
| // android-note: Removed because the CTS runner does a bad job of |
| // retrying tests that have suite() declarations. |
| // |
| // public static void main(String[] args) { |
| // main(suite(), args); |
| // } |
| // public static Test suite() { |
| // return new TestSuite(Atomic8Test.class); |
| // } |
| |
| /* |
| * Tests of atomic class methods accepting lambdas |
| * introduced in JDK8. |
| */ |
| |
| static long addLong17(long x) { return x + 17; } |
| static int addInt17(int x) { return x + 17; } |
| static Integer addInteger17(Integer x) { |
| return new Integer(x.intValue() + 17); |
| } |
| static Integer sumInteger(Integer x, Integer y) { |
| return new Integer(x.intValue() + y.intValue()); |
| } |
| |
| volatile long aLongField; |
| volatile int anIntField; |
| volatile Integer anIntegerField; |
| |
| AtomicLongFieldUpdater aLongFieldUpdater() { |
| return AtomicLongFieldUpdater.newUpdater |
| (Atomic8Test.class, "aLongField"); |
| } |
| |
| AtomicIntegerFieldUpdater anIntFieldUpdater() { |
| return AtomicIntegerFieldUpdater.newUpdater |
| (Atomic8Test.class, "anIntField"); |
| } |
| |
| AtomicReferenceFieldUpdater<Atomic8Test,Integer> anIntegerFieldUpdater() { |
| return AtomicReferenceFieldUpdater.newUpdater |
| (Atomic8Test.class, Integer.class, "anIntegerField"); |
| } |
| |
| /** |
| * AtomicLong getAndUpdate returns previous value and updates |
| * result of supplied function |
| */ |
| public void testLongGetAndUpdate() { |
| AtomicLong a = new AtomicLong(1L); |
| assertEquals(1L, a.getAndUpdate(Atomic8Test::addLong17)); |
| assertEquals(18L, a.getAndUpdate(Atomic8Test::addLong17)); |
| assertEquals(35L, a.get()); |
| } |
| |
| /** |
| * AtomicLong updateAndGet updates with supplied function and |
| * returns result. |
| */ |
| public void testLongUpdateAndGet() { |
| AtomicLong a = new AtomicLong(1L); |
| assertEquals(18L, a.updateAndGet(Atomic8Test::addLong17)); |
| assertEquals(35L, a.updateAndGet(Atomic8Test::addLong17)); |
| } |
| |
| /** |
| * AtomicLong getAndAccumulate returns previous value and updates |
| * with supplied function. |
| */ |
| public void testLongGetAndAccumulate() { |
| AtomicLong a = new AtomicLong(1L); |
| assertEquals(1L, a.getAndAccumulate(2L, Long::sum)); |
| assertEquals(3L, a.getAndAccumulate(3L, Long::sum)); |
| assertEquals(6L, a.get()); |
| } |
| |
| /** |
| * AtomicLong accumulateAndGet updates with supplied function and |
| * returns result. |
| */ |
| public void testLongAccumulateAndGet() { |
| AtomicLong a = new AtomicLong(1L); |
| assertEquals(7L, a.accumulateAndGet(6L, Long::sum)); |
| assertEquals(10L, a.accumulateAndGet(3L, Long::sum)); |
| assertEquals(10L, a.get()); |
| } |
| |
| /** |
| * AtomicInteger getAndUpdate returns previous value and updates |
| * result of supplied function |
| */ |
| public void testIntGetAndUpdate() { |
| AtomicInteger a = new AtomicInteger(1); |
| assertEquals(1, a.getAndUpdate(Atomic8Test::addInt17)); |
| assertEquals(18, a.getAndUpdate(Atomic8Test::addInt17)); |
| assertEquals(35, a.get()); |
| } |
| |
| /** |
| * AtomicInteger updateAndGet updates with supplied function and |
| * returns result. |
| */ |
| public void testIntUpdateAndGet() { |
| AtomicInteger a = new AtomicInteger(1); |
| assertEquals(18, a.updateAndGet(Atomic8Test::addInt17)); |
| assertEquals(35, a.updateAndGet(Atomic8Test::addInt17)); |
| assertEquals(35, a.get()); |
| } |
| |
| /** |
| * AtomicInteger getAndAccumulate returns previous value and updates |
| * with supplied function. |
| */ |
| public void testIntGetAndAccumulate() { |
| AtomicInteger a = new AtomicInteger(1); |
| assertEquals(1, a.getAndAccumulate(2, Integer::sum)); |
| assertEquals(3, a.getAndAccumulate(3, Integer::sum)); |
| assertEquals(6, a.get()); |
| } |
| |
| /** |
| * AtomicInteger accumulateAndGet updates with supplied function and |
| * returns result. |
| */ |
| public void testIntAccumulateAndGet() { |
| AtomicInteger a = new AtomicInteger(1); |
| assertEquals(7, a.accumulateAndGet(6, Integer::sum)); |
| assertEquals(10, a.accumulateAndGet(3, Integer::sum)); |
| assertEquals(10, a.get()); |
| } |
| |
| /** |
| * AtomicReference getAndUpdate returns previous value and updates |
| * result of supplied function |
| */ |
| public void testReferenceGetAndUpdate() { |
| AtomicReference<Integer> a = new AtomicReference<Integer>(one); |
| assertEquals(new Integer(1), a.getAndUpdate(Atomic8Test::addInteger17)); |
| assertEquals(new Integer(18), a.getAndUpdate(Atomic8Test::addInteger17)); |
| assertEquals(new Integer(35), a.get()); |
| } |
| |
| /** |
| * AtomicReference updateAndGet updates with supplied function and |
| * returns result. |
| */ |
| public void testReferenceUpdateAndGet() { |
| AtomicReference<Integer> a = new AtomicReference<Integer>(one); |
| assertEquals(new Integer(18), a.updateAndGet(Atomic8Test::addInteger17)); |
| assertEquals(new Integer(35), a.updateAndGet(Atomic8Test::addInteger17)); |
| assertEquals(new Integer(35), a.get()); |
| } |
| |
| /** |
| * AtomicReference getAndAccumulate returns previous value and updates |
| * with supplied function. |
| */ |
| public void testReferenceGetAndAccumulate() { |
| AtomicReference<Integer> a = new AtomicReference<Integer>(one); |
| assertEquals(new Integer(1), a.getAndAccumulate(2, Atomic8Test::sumInteger)); |
| assertEquals(new Integer(3), a.getAndAccumulate(3, Atomic8Test::sumInteger)); |
| assertEquals(new Integer(6), a.get()); |
| } |
| |
| /** |
| * AtomicReference accumulateAndGet updates with supplied function and |
| * returns result. |
| */ |
| public void testReferenceAccumulateAndGet() { |
| AtomicReference<Integer> a = new AtomicReference<Integer>(one); |
| assertEquals(new Integer(7), a.accumulateAndGet(6, Atomic8Test::sumInteger)); |
| assertEquals(new Integer(10), a.accumulateAndGet(3, Atomic8Test::sumInteger)); |
| assertEquals(new Integer(10), a.get()); |
| } |
| |
| /** |
| * AtomicLongArray getAndUpdate returns previous value and updates |
| * result of supplied function |
| */ |
| public void testLongArrayGetAndUpdate() { |
| AtomicLongArray a = new AtomicLongArray(1); |
| a.set(0, 1); |
| assertEquals(1L, a.getAndUpdate(0, Atomic8Test::addLong17)); |
| assertEquals(18L, a.getAndUpdate(0, Atomic8Test::addLong17)); |
| assertEquals(35L, a.get(0)); |
| } |
| |
| /** |
| * AtomicLongArray updateAndGet updates with supplied function and |
| * returns result. |
| */ |
| public void testLongArrayUpdateAndGet() { |
| AtomicLongArray a = new AtomicLongArray(1); |
| a.set(0, 1); |
| assertEquals(18L, a.updateAndGet(0, Atomic8Test::addLong17)); |
| assertEquals(35L, a.updateAndGet(0, Atomic8Test::addLong17)); |
| assertEquals(35L, a.get(0)); |
| } |
| |
| /** |
| * AtomicLongArray getAndAccumulate returns previous value and updates |
| * with supplied function. |
| */ |
| public void testLongArrayGetAndAccumulate() { |
| AtomicLongArray a = new AtomicLongArray(1); |
| a.set(0, 1); |
| assertEquals(1L, a.getAndAccumulate(0, 2L, Long::sum)); |
| assertEquals(3L, a.getAndAccumulate(0, 3L, Long::sum)); |
| assertEquals(6L, a.get(0)); |
| } |
| |
| /** |
| * AtomicLongArray accumulateAndGet updates with supplied function and |
| * returns result. |
| */ |
| public void testLongArrayAccumulateAndGet() { |
| AtomicLongArray a = new AtomicLongArray(1); |
| a.set(0, 1); |
| assertEquals(7L, a.accumulateAndGet(0, 6L, Long::sum)); |
| assertEquals(10L, a.accumulateAndGet(0, 3L, Long::sum)); |
| assertEquals(10L, a.get(0)); |
| } |
| |
| /** |
| * AtomicIntegerArray getAndUpdate returns previous value and updates |
| * result of supplied function |
| */ |
| public void testIntArrayGetAndUpdate() { |
| AtomicIntegerArray a = new AtomicIntegerArray(1); |
| a.set(0, 1); |
| assertEquals(1, a.getAndUpdate(0, Atomic8Test::addInt17)); |
| assertEquals(18, a.getAndUpdate(0, Atomic8Test::addInt17)); |
| assertEquals(35, a.get(0)); |
| } |
| |
| /** |
| * AtomicIntegerArray updateAndGet updates with supplied function and |
| * returns result. |
| */ |
| public void testIntArrayUpdateAndGet() { |
| AtomicIntegerArray a = new AtomicIntegerArray(1); |
| a.set(0, 1); |
| assertEquals(18, a.updateAndGet(0, Atomic8Test::addInt17)); |
| assertEquals(35, a.updateAndGet(0, Atomic8Test::addInt17)); |
| assertEquals(35, a.get(0)); |
| } |
| |
| /** |
| * AtomicIntegerArray getAndAccumulate returns previous value and updates |
| * with supplied function. |
| */ |
| public void testIntArrayGetAndAccumulate() { |
| AtomicIntegerArray a = new AtomicIntegerArray(1); |
| a.set(0, 1); |
| assertEquals(1, a.getAndAccumulate(0, 2, Integer::sum)); |
| assertEquals(3, a.getAndAccumulate(0, 3, Integer::sum)); |
| assertEquals(6, a.get(0)); |
| } |
| |
| /** |
| * AtomicIntegerArray accumulateAndGet updates with supplied function and |
| * returns result. |
| */ |
| public void testIntArrayAccumulateAndGet() { |
| AtomicIntegerArray a = new AtomicIntegerArray(1); |
| a.set(0, 1); |
| assertEquals(7, a.accumulateAndGet(0, 6, Integer::sum)); |
| assertEquals(10, a.accumulateAndGet(0, 3, Integer::sum)); |
| } |
| |
| /** |
| * AtomicReferenceArray getAndUpdate returns previous value and updates |
| * result of supplied function |
| */ |
| public void testReferenceArrayGetAndUpdate() { |
| AtomicReferenceArray<Integer> a = new AtomicReferenceArray<Integer>(1); |
| a.set(0, one); |
| assertEquals(new Integer(1), a.getAndUpdate(0, Atomic8Test::addInteger17)); |
| assertEquals(new Integer(18), a.getAndUpdate(0, Atomic8Test::addInteger17)); |
| assertEquals(new Integer(35), a.get(0)); |
| } |
| |
| /** |
| * AtomicReferenceArray updateAndGet updates with supplied function and |
| * returns result. |
| */ |
| public void testReferenceArrayUpdateAndGet() { |
| AtomicReferenceArray<Integer> a = new AtomicReferenceArray<Integer>(1); |
| a.set(0, one); |
| assertEquals(new Integer(18), a.updateAndGet(0, Atomic8Test::addInteger17)); |
| assertEquals(new Integer(35), a.updateAndGet(0, Atomic8Test::addInteger17)); |
| } |
| |
| /** |
| * AtomicReferenceArray getAndAccumulate returns previous value and updates |
| * with supplied function. |
| */ |
| public void testReferenceArrayGetAndAccumulate() { |
| AtomicReferenceArray<Integer> a = new AtomicReferenceArray<Integer>(1); |
| a.set(0, one); |
| assertEquals(new Integer(1), a.getAndAccumulate(0, 2, Atomic8Test::sumInteger)); |
| assertEquals(new Integer(3), a.getAndAccumulate(0, 3, Atomic8Test::sumInteger)); |
| assertEquals(new Integer(6), a.get(0)); |
| } |
| |
| /** |
| * AtomicReferenceArray accumulateAndGet updates with supplied function and |
| * returns result. |
| */ |
| public void testReferenceArrayAccumulateAndGet() { |
| AtomicReferenceArray<Integer> a = new AtomicReferenceArray<Integer>(1); |
| a.set(0, one); |
| assertEquals(new Integer(7), a.accumulateAndGet(0, 6, Atomic8Test::sumInteger)); |
| assertEquals(new Integer(10), a.accumulateAndGet(0, 3, Atomic8Test::sumInteger)); |
| } |
| |
| /** |
| * AtomicLongFieldUpdater getAndUpdate returns previous value and updates |
| * result of supplied function |
| */ |
| public void testLongFieldUpdaterGetAndUpdate() { |
| AtomicLongFieldUpdater a = aLongFieldUpdater(); |
| a.set(this, 1); |
| assertEquals(1L, a.getAndUpdate(this, Atomic8Test::addLong17)); |
| assertEquals(18L, a.getAndUpdate(this, Atomic8Test::addLong17)); |
| assertEquals(35L, a.get(this)); |
| assertEquals(35L, aLongField); |
| } |
| |
| /** |
| * AtomicLongFieldUpdater updateAndGet updates with supplied function and |
| * returns result. |
| */ |
| public void testLongFieldUpdaterUpdateAndGet() { |
| AtomicLongFieldUpdater a = aLongFieldUpdater(); |
| a.set(this, 1); |
| assertEquals(18L, a.updateAndGet(this, Atomic8Test::addLong17)); |
| assertEquals(35L, a.updateAndGet(this, Atomic8Test::addLong17)); |
| assertEquals(35L, a.get(this)); |
| assertEquals(35L, aLongField); |
| } |
| |
| /** |
| * AtomicLongFieldUpdater getAndAccumulate returns previous value |
| * and updates with supplied function. |
| */ |
| public void testLongFieldUpdaterGetAndAccumulate() { |
| AtomicLongFieldUpdater a = aLongFieldUpdater(); |
| a.set(this, 1); |
| assertEquals(1L, a.getAndAccumulate(this, 2L, Long::sum)); |
| assertEquals(3L, a.getAndAccumulate(this, 3L, Long::sum)); |
| assertEquals(6L, a.get(this)); |
| assertEquals(6L, aLongField); |
| } |
| |
| /** |
| * AtomicLongFieldUpdater accumulateAndGet updates with supplied |
| * function and returns result. |
| */ |
| public void testLongFieldUpdaterAccumulateAndGet() { |
| AtomicLongFieldUpdater a = aLongFieldUpdater(); |
| a.set(this, 1); |
| assertEquals(7L, a.accumulateAndGet(this, 6L, Long::sum)); |
| assertEquals(10L, a.accumulateAndGet(this, 3L, Long::sum)); |
| assertEquals(10L, a.get(this)); |
| assertEquals(10L, aLongField); |
| } |
| |
| /** |
| * AtomicIntegerFieldUpdater getAndUpdate returns previous value and updates |
| * result of supplied function |
| */ |
| public void testIntegerFieldUpdaterGetAndUpdate() { |
| AtomicIntegerFieldUpdater a = anIntFieldUpdater(); |
| a.set(this, 1); |
| assertEquals(1, a.getAndUpdate(this, Atomic8Test::addInt17)); |
| assertEquals(18, a.getAndUpdate(this, Atomic8Test::addInt17)); |
| assertEquals(35, a.get(this)); |
| assertEquals(35, anIntField); |
| } |
| |
| /** |
| * AtomicIntegerFieldUpdater updateAndGet updates with supplied function and |
| * returns result. |
| */ |
| public void testIntegerFieldUpdaterUpdateAndGet() { |
| AtomicIntegerFieldUpdater a = anIntFieldUpdater(); |
| a.set(this, 1); |
| assertEquals(18, a.updateAndGet(this, Atomic8Test::addInt17)); |
| assertEquals(35, a.updateAndGet(this, Atomic8Test::addInt17)); |
| assertEquals(35, a.get(this)); |
| assertEquals(35, anIntField); |
| } |
| |
| /** |
| * AtomicIntegerFieldUpdater getAndAccumulate returns previous value |
| * and updates with supplied function. |
| */ |
| public void testIntegerFieldUpdaterGetAndAccumulate() { |
| AtomicIntegerFieldUpdater a = anIntFieldUpdater(); |
| a.set(this, 1); |
| assertEquals(1, a.getAndAccumulate(this, 2, Integer::sum)); |
| assertEquals(3, a.getAndAccumulate(this, 3, Integer::sum)); |
| assertEquals(6, a.get(this)); |
| assertEquals(6, anIntField); |
| } |
| |
| /** |
| * AtomicIntegerFieldUpdater accumulateAndGet updates with supplied |
| * function and returns result. |
| */ |
| public void testIntegerFieldUpdaterAccumulateAndGet() { |
| AtomicIntegerFieldUpdater a = anIntFieldUpdater(); |
| a.set(this, 1); |
| assertEquals(7, a.accumulateAndGet(this, 6, Integer::sum)); |
| assertEquals(10, a.accumulateAndGet(this, 3, Integer::sum)); |
| assertEquals(10, a.get(this)); |
| assertEquals(10, anIntField); |
| } |
| |
| /** |
| * AtomicReferenceFieldUpdater getAndUpdate returns previous value |
| * and updates result of supplied function |
| */ |
| public void testReferenceFieldUpdaterGetAndUpdate() { |
| AtomicReferenceFieldUpdater<Atomic8Test,Integer> a = anIntegerFieldUpdater(); |
| a.set(this, one); |
| assertEquals(new Integer(1), a.getAndUpdate(this, Atomic8Test::addInteger17)); |
| assertEquals(new Integer(18), a.getAndUpdate(this, Atomic8Test::addInteger17)); |
| assertEquals(new Integer(35), a.get(this)); |
| assertEquals(new Integer(35), anIntegerField); |
| } |
| |
| /** |
| * AtomicReferenceFieldUpdater updateAndGet updates with supplied |
| * function and returns result. |
| */ |
| public void testReferenceFieldUpdaterUpdateAndGet() { |
| AtomicReferenceFieldUpdater<Atomic8Test,Integer> a = anIntegerFieldUpdater(); |
| a.set(this, one); |
| assertEquals(new Integer(18), a.updateAndGet(this, Atomic8Test::addInteger17)); |
| assertEquals(new Integer(35), a.updateAndGet(this, Atomic8Test::addInteger17)); |
| assertEquals(new Integer(35), a.get(this)); |
| assertEquals(new Integer(35), anIntegerField); |
| } |
| |
| /** |
| * AtomicReferenceFieldUpdater returns previous value and updates |
| * with supplied function. |
| */ |
| public void testReferenceFieldUpdaterGetAndAccumulate() { |
| AtomicReferenceFieldUpdater<Atomic8Test,Integer> a = anIntegerFieldUpdater(); |
| a.set(this, one); |
| assertEquals(new Integer(1), a.getAndAccumulate(this, 2, Atomic8Test::sumInteger)); |
| assertEquals(new Integer(3), a.getAndAccumulate(this, 3, Atomic8Test::sumInteger)); |
| assertEquals(new Integer(6), a.get(this)); |
| assertEquals(new Integer(6), anIntegerField); |
| } |
| |
| /** |
| * AtomicReferenceFieldUpdater accumulateAndGet updates with |
| * supplied function and returns result. |
| */ |
| public void testReferenceFieldUpdaterAccumulateAndGet() { |
| AtomicReferenceFieldUpdater<Atomic8Test,Integer> a = anIntegerFieldUpdater(); |
| a.set(this, one); |
| assertEquals(new Integer(7), a.accumulateAndGet(this, 6, Atomic8Test::sumInteger)); |
| assertEquals(new Integer(10), a.accumulateAndGet(this, 3, Atomic8Test::sumInteger)); |
| assertEquals(new Integer(10), a.get(this)); |
| assertEquals(new Integer(10), anIntegerField); |
| } |
| |
| /** |
| * All Atomic getAndUpdate methods throw NullPointerException on |
| * null function argument |
| */ |
| public void testGetAndUpdateNPE() { |
| Runnable[] throwingActions = { |
| () -> new AtomicLong().getAndUpdate(null), |
| () -> new AtomicInteger().getAndUpdate(null), |
| () -> new AtomicReference().getAndUpdate(null), |
| () -> new AtomicLongArray(1).getAndUpdate(0, null), |
| () -> new AtomicIntegerArray(1).getAndUpdate(0, null), |
| () -> new AtomicReferenceArray(1).getAndUpdate(0, null), |
| () -> aLongFieldUpdater().getAndUpdate(this, null), |
| () -> anIntFieldUpdater().getAndUpdate(this, null), |
| () -> anIntegerFieldUpdater().getAndUpdate(this, null), |
| ////() -> aLongFieldUpdater().getAndUpdate(null, Atomic8Test::addLong17), |
| ////() -> anIntFieldUpdater().getAndUpdate(null, Atomic8Test::addInt17), |
| ////() -> anIntegerFieldUpdater().getAndUpdate(null, Atomic8Test::addInteger17), |
| }; |
| assertThrows(NullPointerException.class, throwingActions); |
| } |
| |
| /** |
| * All Atomic updateAndGet methods throw NullPointerException on null function argument |
| */ |
| public void testUpdateAndGetNPE() { |
| Runnable[] throwingActions = { |
| () -> new AtomicLong().updateAndGet(null), |
| () -> new AtomicInteger().updateAndGet(null), |
| () -> new AtomicReference().updateAndGet(null), |
| () -> new AtomicLongArray(1).updateAndGet(0, null), |
| () -> new AtomicIntegerArray(1).updateAndGet(0, null), |
| () -> new AtomicReferenceArray(1).updateAndGet(0, null), |
| () -> aLongFieldUpdater().updateAndGet(this, null), |
| () -> anIntFieldUpdater().updateAndGet(this, null), |
| () -> anIntegerFieldUpdater().updateAndGet(this, null), |
| }; |
| assertThrows(NullPointerException.class, throwingActions); |
| } |
| |
| /** |
| * All Atomic getAndAccumulate methods throw NullPointerException |
| * on null function argument |
| */ |
| public void testGetAndAccumulateNPE() { |
| Runnable[] throwingActions = { |
| () -> new AtomicLong().getAndAccumulate(1L, null), |
| () -> new AtomicInteger().getAndAccumulate(1, null), |
| () -> new AtomicReference().getAndAccumulate(one, null), |
| () -> new AtomicLongArray(1).getAndAccumulate(0, 1L, null), |
| () -> new AtomicIntegerArray(1).getAndAccumulate(0, 1, null), |
| () -> new AtomicReferenceArray(1).getAndAccumulate(0, one, null), |
| () -> aLongFieldUpdater().getAndAccumulate(this, 1L, null), |
| () -> anIntFieldUpdater().getAndAccumulate(this, 1, null), |
| () -> anIntegerFieldUpdater().getAndAccumulate(this, one, null), |
| }; |
| assertThrows(NullPointerException.class, throwingActions); |
| } |
| |
| /** |
| * All Atomic accumulateAndGet methods throw NullPointerException |
| * on null function argument |
| */ |
| public void testAccumulateAndGetNPE() { |
| Runnable[] throwingActions = { |
| () -> new AtomicLong().accumulateAndGet(1L, null), |
| () -> new AtomicInteger().accumulateAndGet(1, null), |
| () -> new AtomicReference().accumulateAndGet(one, null), |
| () -> new AtomicLongArray(1).accumulateAndGet(0, 1L, null), |
| () -> new AtomicIntegerArray(1).accumulateAndGet(0, 1, null), |
| () -> new AtomicReferenceArray(1).accumulateAndGet(0, one, null), |
| () -> aLongFieldUpdater().accumulateAndGet(this, 1L, null), |
| () -> anIntFieldUpdater().accumulateAndGet(this, 1, null), |
| () -> anIntegerFieldUpdater().accumulateAndGet(this, one, null), |
| }; |
| assertThrows(NullPointerException.class, throwingActions); |
| } |
| |
| } |