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

Example 16 with ConcurrentLinkedDeque

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

the class ConcurrentLinkedDequeTest method testRemoveFirst.

/**
     * removeFirst() removes first element, or throws NSEE if empty
     */
public void testRemoveFirst() {
    ConcurrentLinkedDeque q = populatedDeque(SIZE);
    for (int i = 0; i < SIZE; ++i) {
        assertEquals(i, q.removeFirst());
    }
    try {
        q.removeFirst();
        shouldThrow();
    } catch (NoSuchElementException success) {
    }
    assertNull(q.peekFirst());
}

Example 17 with ConcurrentLinkedDeque

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

the class ConcurrentLinkedDequeTest method testOfferFirst.

/**
     * offerFirst(x) succeeds
     */
public void testOfferFirst() {
    ConcurrentLinkedDeque q = new ConcurrentLinkedDeque();
    assertTrue(q.offerFirst(zero));
    assertTrue(q.offerFirst(one));
    assertSame(one, q.peekFirst());
    assertSame(zero, q.peekLast());
}

Example 18 with ConcurrentLinkedDeque

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

the class ConcurrentLinkedDequeTest method testAddAll1.

/**
     * addAll(null) throws NPE
     */
public void testAddAll1() {
    ConcurrentLinkedDeque q = new ConcurrentLinkedDeque();
    try {
        q.addAll(null);
        shouldThrow();
    } catch (NullPointerException success) {
    }
}

Example 19 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());
}

Example 20 with ConcurrentLinkedDeque

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

the class ConcurrentLinkedDequeTest method testEmptyIterator.

/**
     * iterator of empty collection has no elements
     */
public void testEmptyIterator() {
    Deque c = new ConcurrentLinkedDeque();
    assertIteratorExhausted(c.iterator());
    assertIteratorExhausted(c.descendingIterator());
}