@Test(timeout = 60000)
public void testConcurrentAllocation() throws Exception {
String allcationPath = "/" + runtime.getMethodName();
SimpleLedgerAllocator allocator = createAllocator(allcationPath);
allocator.allocate();
ZKTransaction txn1 = newTxn();
Future<LedgerHandle> obtainFuture1 = allocator.tryObtain(txn1, NULL_LISTENER);
ZKTransaction txn2 = newTxn();
Future<LedgerHandle> obtainFuture2 = allocator.tryObtain(txn2, NULL_LISTENER);
assertTrue(obtainFuture2.isDefined());
assertTrue(obtainFuture2.isThrow());
try {
FutureUtils.result(obtainFuture2);
fail(
"Should fail the concurrent obtain since there is already a transaction obtaining the ledger handle");
} catch (SimpleLedgerAllocator.ConcurrentObtainException cbe) {
// expected
}
}
