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

Example 51 with ConcurrentLinkedDeque

use of java.util.concurrent.ConcurrentLinkedDeque in project mapdb by jankotek.

the class ConcurrentLinkedDequeTest method testRemoveLast.

/**
 * removeLast() removes last element, or throws NSEE if empty
 */
public void testRemoveLast() {
    ConcurrentLinkedDeque q = populatedDeque(SIZE);
    for (int i = SIZE - 1; i >= 0; --i) {
        assertEquals(i, q.removeLast());
    }
    try {
        q.removeLast();
        shouldThrow();
    } catch (NoSuchElementException success) {
    }
    assertNull(q.peekLast());
}

Example 52 with ConcurrentLinkedDeque

use of java.util.concurrent.ConcurrentLinkedDeque in project mapdb by jankotek.

the class ConcurrentLinkedDequeTest method testRemoveLastOccurrence.

/**
 * removeLastOccurrence(x) removes x and returns true if present
 */
public void testRemoveLastOccurrence() {
    ConcurrentLinkedDeque q = populatedDeque(SIZE);
    for (int i = 1; i < SIZE; i += 2) {
        assertTrue(q.removeLastOccurrence(new Integer(i)));
    }
    for (int i = 0; i < SIZE; i += 2) {
        assertTrue(q.removeLastOccurrence(new Integer(i)));
        assertFalse(q.removeLastOccurrence(new Integer(i + 1)));
    }
    assertTrue(q.isEmpty());
}

Example 53 with ConcurrentLinkedDeque

use of java.util.concurrent.ConcurrentLinkedDeque in project mapdb by jankotek.

the class ConcurrentLinkedDequeTest method testAddAll3.

/**
 * addAll of a collection with any null elements throws NPE after
 * possibly adding some elements
 */
public void testAddAll3() {
    ConcurrentLinkedDeque q = new ConcurrentLinkedDeque();
    Integer[] ints = new Integer[SIZE];
    for (int i = 0; i < SIZE - 1; ++i) ints[i] = new Integer(i);
    try {
        q.addAll(Arrays.asList(ints));
        shouldThrow();
    } catch (NullPointerException success) {
    }
}

Example 54 with ConcurrentLinkedDeque

use of java.util.concurrent.ConcurrentLinkedDeque in project mapdb by jankotek.

the class ConcurrentLinkedDequeTest method testRetainAll.

/**
 * retainAll(c) retains only those elements of c and reports true if change
 */
public void testRetainAll() {
    ConcurrentLinkedDeque q = populatedDeque(SIZE);
    ConcurrentLinkedDeque p = populatedDeque(SIZE);
    for (int i = 0; i < SIZE; ++i) {
        boolean changed = q.retainAll(p);
        if (i == 0)
            assertFalse(changed);
        else
            assertTrue(changed);
        assertTrue(q.containsAll(p));
        assertEquals(SIZE - i, q.size());
        p.remove();
    }
}

Example 55 with ConcurrentLinkedDeque

use of java.util.concurrent.ConcurrentLinkedDeque in project mapdb by jankotek.

the class ConcurrentLinkedDequeTest method testRemoveFirstOccurrence.

/**
 * removeFirstOccurrence(x) removes x and returns true if present
 */
public void testRemoveFirstOccurrence() {
    ConcurrentLinkedDeque q = populatedDeque(SIZE);
    for (int i = 1; i < SIZE; i += 2) {
        assertTrue(q.removeFirstOccurrence(new Integer(i)));
    }
    for (int i = 0; i < SIZE; i += 2) {
        assertTrue(q.removeFirstOccurrence(new Integer(i)));
        assertFalse(q.removeFirstOccurrence(new Integer(i + 1)));
    }
    assertTrue(q.isEmpty());
}