@Test
public void testPollWait() throws InterruptedException, IOException {
final FileBlockingQueue<String> queue = getFileBlockingQueue();
final AtomicLong start = new AtomicLong(System.currentTimeMillis());
String m = queue.poll(1000, TimeUnit.MILLISECONDS);
final AtomicLong duration = new AtomicLong(System.currentTimeMillis() - start.get());
assertTrue(duration.get() >= 1000 && duration.get() <= 2000);
assertNull(m);
ExecutorService e = Executors.newFixedThreadPool(1);
e.execute(
new Runnable() {
@Override
public void run() {
start.set(System.currentTimeMillis());
String m = null;
try {
m = queue.poll(5000, TimeUnit.MILLISECONDS);
} catch (InterruptedException e1) {
throw new RuntimeException(e1);
}
assertNotNull(m);
duration.set(System.currentTimeMillis() - start.get());
}
});
Thread.sleep(1000);
queue.offer("testString");
assertTrue(duration.get() < 4000);
}
private void createFile(FileBlockingQueue<String> queue, int count) throws IOException {
for (int i = 0; i < count; ++i) {
assertTrue(queue.offer("testString" + i));
}
}