/** Verifies that we can only have MaxTxns (1000 right now) active transactions at
any given time */
void sessionManager_2() {
int i;
SessionManager *sm;
SessionManager::TxnID txns[1001];
string filename;
// destroySemaphores();
// destroyShmseg();
sm = new SessionManager();
filename = sm->getTxnIDFilename();
delete sm;
sm = new SessionManager();
for (i = 0; i < 1000; i++) {
txns[i] = sm->newTxnID(i, false);
CPPUNIT_ASSERT(txns[i].valid == true);
//CPPUNIT_ASSERT(sm->verID() == txns[i].id);
}
txns[1000] = sm->newTxnID(i, false);
CPPUNIT_ASSERT(txns[1000].valid == false);
for (i = 999; i >= 0; i--) {
SessionManager::TxnID tmp = sm->getTxnID(i);
CPPUNIT_ASSERT(tmp.valid == txns[i].valid == true);
CPPUNIT_ASSERT(tmp.id == txns[i].id);
sm->committed(txns[i]);
tmp = sm->getTxnID(i);
CPPUNIT_ASSERT(tmp.valid == false);
CPPUNIT_ASSERT(txns[i].valid == false);
}
try {
sm->committed(txns[1000]);
}
// expected exception
catch(invalid_argument& e)
{ }
delete sm;
// destroySemaphores();
// destroyShmseg();
}
/** Verifies that transaction IDs get saved and restored correctly across "reboots" */
void sessionManager_3()
{
SessionManager *sm;
string filename;
SessionManager::TxnID txnid;
// scrub env
sm = new SessionManager();
filename = sm->getTxnIDFilename();
delete sm;
// destroyShmseg();
// destroySemaphores();
sm = new SessionManager();
txnid = sm->newTxnID(0);
// CPPUNIT_ASSERT(txnid.id == 1);
delete sm;
// destroyShmseg();
// destroySemaphores();
sm = new SessionManager();
sm->committed(txnid);
txnid = sm->newTxnID(1);
// CPPUNIT_ASSERT(txnid.id == 2);
delete sm;
sm = new SessionManager();
sm->committed(txnid);
// destroyShmseg();
// destroySemaphores();
}
void sessionManager_1()
{
SessionManager *sm = NULL;
SessionManager::TxnID txn;
const SessionManager::SIDTIDEntry* activeTxns;
int len;
string filename;
// destroySemaphores();
// destroyShmseg();
try {
sm = new SessionManager();
//CPPUNIT_ASSERT(sm->verID() == 0);
filename = sm->getTxnIDFilename();
delete sm;
sm = new SessionManager();
txn = sm->newTxnID(0);
CPPUNIT_ASSERT(txn.valid == true);
// CPPUNIT_ASSERT(txn.id == 1);
// CPPUNIT_ASSERT(sm->verID() == 1);
txn = sm->newTxnID(1);
CPPUNIT_ASSERT(txn.valid == true);
// CPPUNIT_ASSERT(txn.id == 2);
// CPPUNIT_ASSERT(sm->verID() == 2);
activeTxns = sm->SIDTIDMap(len);
CPPUNIT_ASSERT(activeTxns != NULL);
CPPUNIT_ASSERT(len == 2);
txn = sm->getTxnID(0);
CPPUNIT_ASSERT(txn.valid == true);
// CPPUNIT_ASSERT(txn.id == 1);
CPPUNIT_ASSERT(txn.valid == activeTxns[0].txnid.valid);
// CPPUNIT_ASSERT(txn.id == activeTxns[0].txnid.id);
txn = sm->getTxnID(1);
CPPUNIT_ASSERT(txn.valid == true);
// CPPUNIT_ASSERT(txn.id == 2);
CPPUNIT_ASSERT(txn.valid == activeTxns[1].txnid.valid);
// CPPUNIT_ASSERT(txn.id == activeTxns[1].txnid.id);
delete [] activeTxns;
//make sure it's consistent across invocations
delete sm;
sm = new SessionManager();
activeTxns = sm->SIDTIDMap(len);
CPPUNIT_ASSERT(activeTxns != NULL);
CPPUNIT_ASSERT(len == 2);
txn = sm->getTxnID(0);
CPPUNIT_ASSERT(txn.valid == true);
// CPPUNIT_ASSERT(txn.id == 1);
CPPUNIT_ASSERT(txn.valid == activeTxns[0].txnid.valid);
// CPPUNIT_ASSERT(txn.id == activeTxns[0].txnid.id);
txn = sm->getTxnID(1);
CPPUNIT_ASSERT(txn.valid == true);
// CPPUNIT_ASSERT(txn.id == 2);
CPPUNIT_ASSERT(txn.valid == activeTxns[1].txnid.valid);
// CPPUNIT_ASSERT(txn.id == activeTxns[1].txnid.id);
sm->rolledback(txn);
CPPUNIT_ASSERT(txn.valid == false);
txn = sm->getTxnID(0);
sm->committed(txn);
CPPUNIT_ASSERT(txn.valid == false);
delete [] activeTxns;
activeTxns = sm->SIDTIDMap(len);
CPPUNIT_ASSERT(len == 0);
delete [] activeTxns;
}
catch(runtime_error &e) {
cout << "caught runtime_error (why doesn't cppunit notice these?): " << e.what() << endl;
if (sm != NULL)
delete sm;
// destroySemaphores();
// destroyShmseg();
throw logic_error("Hey! Stop!");
}
catch(exception &e) {
cout << "caught exception: " << e.what() << endl;
if (sm != NULL)
delete sm;
// destroySemaphores();
// destroyShmseg();
throw;
}
delete sm;
// destroySemaphores();
// destroyShmseg();
}
