TEST(LockManagerTest, TxError) {
LockManager lm;
LockManager::LockStatus status;
Transaction tx(1);
// release a lock on a resource we haven't locked
lm.acquire(&tx, kShared, 2);
status = lm.release(&tx, kShared, 1); // this is in error
ASSERT(LockManager::kLockResourceNotFound == status);
status = lm.release(&tx, kShared, 2);
ASSERT(LockManager::kLockReleased == status);
// release a record we've locked in a different mode
lm.acquire(&tx, kShared, 1);
status = lm.release(&tx, kExclusive, 1); // this is in error
ASSERT(LockManager::kLockModeNotFound == status);
status = lm.release(&tx, kShared, 1);
ASSERT(LockManager::kLockReleased == status);
lm.acquire(&tx, kExclusive, 1);
status = lm.release(&tx, kShared, 1); // this is in error
ASSERT(LockManager::kLockModeNotFound == status);
status = lm.release(&tx, kExclusive, 1);
ASSERT(LockManager::kLockReleased == status);
// attempt to acquire on a transaction that aborted
try {
lm.abort(&tx);
} catch (const LockManager::AbortException& err) { }
try {
lm.acquire(&tx, kShared, 1); // error
ASSERT(false);
} catch (const LockManager::AbortException& error) {
}
}
