@Test
public void mod_listener_lock() {
DB db = DBMaker.memoryDB().transactionDisable().make();
final BTreeMap m = db.treeMap("name");
final long rootRecid = db.getEngine().get(m.rootRecidRef, Serializer.RECID);
final AtomicInteger counter = new AtomicInteger();
m.modificationListenerAdd(
new Bind.MapListener() {
@Override
public void update(Object key, Object oldVal, Object newVal) {
assertTrue(m.nodeLocks.get(rootRecid) == Thread.currentThread());
assertEquals(1, m.nodeLocks.size());
counter.incrementAndGet();
}
});
m.put("aa", "aa");
m.put("aa", "bb");
m.remove("aa");
m.put("aa", "aa");
m.remove("aa", "aa");
m.putIfAbsent("aa", "bb");
m.replace("aa", "bb", "cc");
m.replace("aa", "cc");
assertEquals(8, counter.get());
}
@Test
public void delete() {
for (int i :
new int[] {
10, 50, 20, 42,
// 44, 68, 20, 93, 85, 71, 62, 77, 4, 37, 66
}) {
m.put(i, i);
}
assertEquals(10, m.remove(10));
assertEquals(20, m.remove(20));
assertEquals(42, m.remove(42));
assertEquals(null, m.remove(42999));
}