Examples with ConcurrentMap java.util.concurrent.ConcurrentMap used on opensource projects

Example 71 with ConcurrentMap

use of java.util.concurrent.ConcurrentMap in project caffeine by ben-manes.

the class ConcurrentHashMap8Test method testKeySetSpliterator.

/**
     * KeySetView.spliterator returns spliterator over the elements in this set
     */
public void testKeySetSpliterator() {
    LongAdder adder = new LongAdder();
    ConcurrentMap map = map5();
    Set set = map.keySet();
    Spliterator<Integer> sp = set.spliterator();
    checkSpliteratorCharacteristics(sp, CONCURRENT | DISTINCT | NONNULL);
    assertEquals(sp.estimateSize(), map.size());
    Spliterator<Integer> sp2 = sp.trySplit();
    sp.forEachRemaining((Integer x) -> adder.add(x.longValue()));
    long v = adder.sumThenReset();
    sp2.forEachRemaining((Integer x) -> adder.add(x.longValue()));
    long v2 = adder.sum();
    assertEquals(v + v2, 15);
}

Example 72 with ConcurrentMap

use of java.util.concurrent.ConcurrentMap in project caffeine by ben-manes.

the class ConcurrentHashMapTest method testReplace_NullPointerException.

/**
     * replace(null, x) throws NPE
     */
public void testReplace_NullPointerException() {
    ConcurrentMap c = map();
    try {
        c.replace(null, "whatever");
        shouldThrow();
    } catch (NullPointerException success) {
    }
}

Example 73 with ConcurrentMap

use of java.util.concurrent.ConcurrentMap in project caffeine by ben-manes.

the class ConcurrentHashMapTest method testContainsValue_NullPointerException.

/**
     * containsValue(null) throws NPE
     */
public void testContainsValue_NullPointerException() {
    ConcurrentMap c = map();
    try {
        c.containsValue(null);
        shouldThrow();
    } catch (NullPointerException success) {
    }
}

Example 74 with ConcurrentMap

use of java.util.concurrent.ConcurrentMap in project caffeine by ben-manes.

the class ConcurrentHashMapTest method testPutIfAbsent1_NullPointerException.

/**
     * putIfAbsent(null, x) throws NPE
     */
public void testPutIfAbsent1_NullPointerException() {
    ConcurrentMap c = map();
    try {
        c.putIfAbsent(null, "whatever");
        shouldThrow();
    } catch (NullPointerException success) {
    }
}

Example 75 with ConcurrentMap

use of java.util.concurrent.ConcurrentMap in project caffeine by ben-manes.

the class ConcurrentHashMap8Test method testCompute.

/**
     * compute does not replace if the function returns null
     */
public void testCompute() {
    ConcurrentMap map = map5();
    map.compute(six, (x, y) -> null);
    assertFalse(map.containsKey(six));
}