@Test
public void testRefCount() throws IOException {
final ShardId shardId = new ShardId(new Index("index"), 1);
DirectoryService directoryService = new LuceneManagedDirectoryService(random());
Store store =
new Store(
shardId,
ImmutableSettings.EMPTY,
directoryService,
randomDistributor(directoryService),
new DummyShardLock(shardId));
int incs = randomIntBetween(1, 100);
for (int i = 0; i < incs; i++) {
if (randomBoolean()) {
store.incRef();
} else {
assertTrue(store.tryIncRef());
}
store.ensureOpen();
}
for (int i = 0; i < incs; i++) {
store.decRef();
store.ensureOpen();
}
store.incRef();
final AtomicBoolean called = new AtomicBoolean(false);
store.close();
for (int i = 0; i < incs; i++) {
if (randomBoolean()) {
store.incRef();
} else {
assertTrue(store.tryIncRef());
}
store.ensureOpen();
}
for (int i = 0; i < incs; i++) {
store.decRef();
store.ensureOpen();
}
store.decRef();
assertThat(store.refCount(), Matchers.equalTo(0));
assertFalse(store.tryIncRef());
try {
store.incRef();
fail(" expected exception");
} catch (AlreadyClosedException ex) {
}
try {
store.ensureOpen();
fail(" expected exception");
} catch (AlreadyClosedException ex) {
}
}
