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

Example 91 with ConcurrentLinkedDeque

use of java.util.concurrent.ConcurrentLinkedDeque in project j2objc by google.

the class ConcurrentLinkedDequeTest method testWeaklyConsistentIteration.

/**
 * Modifications do not cause iterators to fail
 */
public void testWeaklyConsistentIteration() {
    final ConcurrentLinkedDeque q = new ConcurrentLinkedDeque();
    q.add(one);
    q.add(two);
    q.add(three);
    for (Iterator it = q.iterator(); it.hasNext(); ) {
        q.remove();
        it.next();
    }
    assertEquals("deque should be empty again", 0, q.size());
}

Example 92 with ConcurrentLinkedDeque

use of java.util.concurrent.ConcurrentLinkedDeque in project j2objc by google.

the class ConcurrentLinkedDequeTest method testPollFirst.

/**
 * pollFirst() succeeds unless empty
 */
public void testPollFirst() {
    ConcurrentLinkedDeque q = populatedDeque(SIZE);
    for (int i = 0; i < SIZE; ++i) {
        assertEquals(i, q.pollFirst());
    }
    assertNull(q.pollFirst());
}

Example 93 with ConcurrentLinkedDeque

use of java.util.concurrent.ConcurrentLinkedDeque in project j2objc by google.

the class ConcurrentLinkedDequeTest method testAddAllSelf.

/**
 * addAll(this) throws IAE
 */
public void testAddAllSelf() {
    ConcurrentLinkedDeque q = populatedDeque(SIZE);
    try {
        q.addAll(q);
        shouldThrow();
    } catch (IllegalArgumentException success) {
    }
}

Example 94 with ConcurrentLinkedDeque

use of java.util.concurrent.ConcurrentLinkedDeque in project j2objc by google.

the class ConcurrentLinkedDequeTest method testPeek.

/**
 * peek() returns next element, or null if empty
 */
public void testPeek() {
    ConcurrentLinkedDeque q = populatedDeque(SIZE);
    for (int i = 0; i < SIZE; ++i) {
        assertEquals(i, q.peek());
        assertEquals(i, q.poll());
        assertTrue(q.peek() == null || !q.peek().equals(i));
    }
    assertNull(q.peek());
}

Example 95 with ConcurrentLinkedDeque

use of java.util.concurrent.ConcurrentLinkedDeque in project j2objc by google.

the class ConcurrentLinkedDequeTest method testDescendingIterator.

/**
 * Descending iterator iterates through all elements
 */
public void testDescendingIterator() {
    ConcurrentLinkedDeque q = populatedDeque(SIZE);
    int i = 0;
    Iterator it = q.descendingIterator();
    while (it.hasNext()) {
        assertTrue(q.contains(it.next()));
        ++i;
    }
    assertEquals(i, SIZE);
    assertFalse(it.hasNext());
    try {
        it.next();
        shouldThrow();
    } catch (NoSuchElementException success) {
    }
}