Examples with AtomicIntegerArray java.util.concurrent.atomic.AtomicIntegerArray used on opensource projects

Example 31 with AtomicIntegerArray

use of java.util.concurrent.atomic.AtomicIntegerArray in project j2objc by google.

the class AtomicIntegerArrayTest method testGetAndIncrement.

/**
 * getAndIncrement returns previous value and increments
 */
public void testGetAndIncrement() {
    AtomicIntegerArray aa = new AtomicIntegerArray(SIZE);
    for (int i = 0; i < SIZE; i++) {
        aa.set(i, 1);
        assertEquals(1, aa.getAndIncrement(i));
        assertEquals(2, aa.get(i));
        aa.set(i, -2);
        assertEquals(-2, aa.getAndIncrement(i));
        assertEquals(-1, aa.getAndIncrement(i));
        assertEquals(0, aa.getAndIncrement(i));
        assertEquals(1, aa.get(i));
    }
}

Example 32 with AtomicIntegerArray

use of java.util.concurrent.atomic.AtomicIntegerArray in project j2objc by google.

the class AtomicIntegerArrayTest method testGetAndDecrement.

/**
 * getAndDecrement returns previous value and decrements
 */
public void testGetAndDecrement() {
    AtomicIntegerArray aa = new AtomicIntegerArray(SIZE);
    for (int i = 0; i < SIZE; i++) {
        aa.set(i, 1);
        assertEquals(1, aa.getAndDecrement(i));
        assertEquals(0, aa.getAndDecrement(i));
        assertEquals(-1, aa.getAndDecrement(i));
    }
}

Example 33 with AtomicIntegerArray

use of java.util.concurrent.atomic.AtomicIntegerArray in project j2objc by google.

the class AtomicIntegerArrayTest method testSerialization.

/**
 * a deserialized serialized array holds same values
 */
public void testSerialization() throws Exception {
    AtomicIntegerArray x = new AtomicIntegerArray(SIZE);
    for (int i = 0; i < SIZE; i++) x.set(i, -i);
    AtomicIntegerArray y = serialClone(x);
    assertNotSame(x, y);
    assertEquals(x.length(), y.length());
    for (int i = 0; i < SIZE; i++) {
        assertEquals(x.get(i), y.get(i));
    }
}

Example 34 with AtomicIntegerArray

use of java.util.concurrent.atomic.AtomicIntegerArray in project j2objc by google.

the class AtomicIntegerArrayTest method testIncrementAndGet.

/**
 * incrementAndGet increments and returns current value
 */
public void testIncrementAndGet() {
    AtomicIntegerArray aa = new AtomicIntegerArray(SIZE);
    for (int i = 0; i < SIZE; i++) {
        aa.set(i, 1);
        assertEquals(2, aa.incrementAndGet(i));
        assertEquals(2, aa.get(i));
        aa.set(i, -2);
        assertEquals(-1, aa.incrementAndGet(i));
        assertEquals(0, aa.incrementAndGet(i));
        assertEquals(1, aa.incrementAndGet(i));
        assertEquals(1, aa.get(i));
    }
}

Example 35 with AtomicIntegerArray

use of java.util.concurrent.atomic.AtomicIntegerArray in project j2objc by google.

the class AtomicIntegerArrayTest method testCountingInMultipleThreads.

/**
 * Multiple threads using same array of counters successfully
 * update a number of times equal to total count
 */
public void testCountingInMultipleThreads() throws InterruptedException {
    final AtomicIntegerArray aa = new AtomicIntegerArray(SIZE);
    int countdown = 10000;
    for (int i = 0; i < SIZE; i++) aa.set(i, countdown);
    Counter c1 = new Counter(aa);
    Counter c2 = new Counter(aa);
    Thread t1 = new Thread(c1);
    Thread t2 = new Thread(c2);
    t1.start();
    t2.start();
    t1.join();
    t2.join();
    assertEquals(c1.counts + c2.counts, SIZE * countdown);
}