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

Example 11 with BlockingQueue

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

the class BlockingQueueTest method testTimedPollFromEmptyAfterInterrupt.

/**
     * timed poll() throws InterruptedException immediately if
     * interrupted before waiting
     */
public void testTimedPollFromEmptyAfterInterrupt() {
    final BlockingQueue q = emptyCollection();
    Thread t = newStartedThread(new CheckedRunnable() {

        public void realRun() {
            Thread.currentThread().interrupt();
            try {
                q.poll(2 * LONG_DELAY_MS, MILLISECONDS);
                shouldThrow();
            } catch (InterruptedException success) {
            }
            assertFalse(Thread.interrupted());
        }
    });
    awaitTermination(t);
}

Example 12 with BlockingQueue

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

the class BlockingQueueTest method testPutNull.

/**
     * put(null) throws NullPointerException
     */
public void testPutNull() throws InterruptedException {
    final BlockingQueue q = emptyCollection();
    try {
        q.put(null);
        shouldThrow();
    } catch (NullPointerException success) {
    }
}

Example 13 with BlockingQueue

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

the class BlockingQueueTest method testDrainToSelf.

/**
     * drainTo(this) throws IllegalArgumentException
     */
public void testDrainToSelf() {
    final BlockingQueue q = emptyCollection();
    try {
        q.drainTo(q);
        shouldThrow();
    } catch (IllegalArgumentException success) {
    }
}

Example 14 with BlockingQueue

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

the class BlockingQueueTest method testDrainToNonPositiveMaxElements.

/*
     * drainTo(c, n) returns 0 and does nothing when n <= 0
     */
public void testDrainToNonPositiveMaxElements() {
    final BlockingQueue q = emptyCollection();
    final int[] ns = { 0, -1, -42, Integer.MIN_VALUE };
    for (int n : ns) assertEquals(0, q.drainTo(new ArrayList(), n));
    if (q.remainingCapacity() > 0) {
        // Not SynchronousQueue, that is
        Object one = makeElement(1);
        q.add(one);
        ArrayList c = new ArrayList();
        for (int n : ns) assertEquals(0, q.drainTo(new ArrayList(), n));
        assertEquals(1, q.size());
        assertSame(one, q.poll());
        assertTrue(c.isEmpty());
    }
}

Example 15 with BlockingQueue

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

the class BlockingQueueTest method testTakeFromEmptyAfterInterrupt.

/**
     * take() throws InterruptedException immediately if interrupted
     * before waiting
     */
public void testTakeFromEmptyAfterInterrupt() {
    final BlockingQueue q = emptyCollection();
    Thread t = newStartedThread(new CheckedRunnable() {

        public void realRun() {
            Thread.currentThread().interrupt();
            try {
                q.take();
                shouldThrow();
            } catch (InterruptedException success) {
            }
            assertFalse(Thread.interrupted());
        }
    });
    awaitTermination(t);
}