package org.multiverse.stms.gamma.transactionalobjects.txnlong;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.multiverse.api.LockMode;
import org.multiverse.api.TxnFactory;
import org.multiverse.api.exceptions.DeadTxnException;
import org.multiverse.api.exceptions.PreparedTxnException;
import org.multiverse.api.exceptions.ReadWriteConflict;
import org.multiverse.api.exceptions.ReadonlyException;
import org.multiverse.stms.gamma.GammaStm;
import org.multiverse.stms.gamma.transactionalobjects.GammaTxnLong;
import org.multiverse.stms.gamma.transactions.GammaTxn;
import org.multiverse.stms.gamma.transactions.GammaTxnFactory;
import org.multiverse.stms.gamma.transactions.fat.FatFixedLengthGammaTxnFactory;
import org.multiverse.stms.gamma.transactions.fat.FatMonoGammaTxnFactory;
import org.multiverse.stms.gamma.transactions.fat.FatVariableLengthGammaTxnFactory;
import java.util.Collection;
import static java.util.Arrays.asList;
import static org.junit.Assert.fail;
import static org.multiverse.TestUtils.*;
import static org.multiverse.api.TxnThreadLocal.clearThreadLocalTxn;
import static org.multiverse.stms.gamma.GammaTestUtils.*;
@RunWith(Parameterized.class)
public class GammaTxnLong_increment1WithTransactionTest {
private final GammaTxnFactory transactionFactory;
private final GammaStm stm;
public GammaTxnLong_increment1WithTransactionTest(GammaTxnFactory transactionFactory) {
this.transactionFactory = transactionFactory;
this.stm = transactionFactory.getConfig().getStm();
}
@Before
public void setUp() {
clearThreadLocalTxn();
}
@Parameterized.Parameters
public static Collection<TxnFactory[]> configs() {
return asList(
new TxnFactory[]{new FatVariableLengthGammaTxnFactory(new GammaStm())},
new TxnFactory[]{new FatFixedLengthGammaTxnFactory(new GammaStm())},
new TxnFactory[]{new FatMonoGammaTxnFactory(new GammaStm())}
);
}
@Test
public void whenSuccess() {
long initialValue = 10;
GammaTxnLong ref = new GammaTxnLong(stm, initialValue);
long initialVersion = ref.getVersion();
GammaTxn tx = transactionFactory.newTxn();
ref.increment(tx);
tx.commit();
assertIsCommitted(tx);
assertVersionAndValue(ref, initialVersion + 1, initialValue + 1);
}
@Test
public void whenReadonlyTransaction_thenReadonlyException() {
long initialValue = 10;
GammaTxnLong ref = new GammaTxnLong(stm, initialValue);
long initialVersion = ref.getVersion();
GammaTxn tx = stm.newTxnFactoryBuilder()
.setReadonly(true)
.setSpeculative(false)
.newTransactionFactory()
.newTxn();
try {
ref.increment(tx);
fail();
} catch (ReadonlyException expected) {
}
assertIsAborted(tx);
assertVersionAndValue(ref, initialVersion, initialValue);
}
@Test
public void whenEnsuredByOther_thenIncrementSucceedsButCommitFails() {
long initialValue = 10;
GammaTxnLong ref = new GammaTxnLong(stm, initialValue);
long initialVersion = ref.getVersion();
GammaTxn otherTx = transactionFactory.newTxn();
ref.getLock().acquire(otherTx, LockMode.Write);
GammaTxn tx = transactionFactory.newTxn();
ref.increment(tx);
try {
tx.commit();
fail();
} catch (ReadWriteConflict expected) {
}
assertIsAborted(tx);
assertVersionAndValue(ref, initialVersion, initialValue);
assertRefHasWriteLock(ref, otherTx);
}
@Test
public void whenPrivatizedByOther_thenIncrementSucceedsButCommitFails() {
long initialValue = 10;
GammaTxnLong ref = new GammaTxnLong(stm, initialValue);
long initialVersion = ref.getVersion();
GammaTxn otherTx = transactionFactory.newTxn();
ref.getLock().acquire(otherTx, LockMode.Exclusive);
GammaTxn tx = transactionFactory.newTxn();
ref.increment(tx);
try {
tx.commit();
fail();
} catch (ReadWriteConflict expected) {
}
assertIsAborted(tx);
assertVersionAndValue(ref, initialVersion, initialValue);
assertRefHasExclusiveLock(ref, otherTx);
}
@Test
public void whenCommittedTransactionFound() {
long initialValue = 10;
GammaTxnLong ref = new GammaTxnLong(stm, initialValue);
long initialVersion = ref.getVersion();
GammaTxn tx = transactionFactory.newTxn();
tx.commit();
try {
ref.increment(tx);
fail();
} catch (DeadTxnException expected) {
}
assertIsCommitted(tx);
assertVersionAndValue(ref, initialVersion, initialValue);
}
@Test
public void whenAbortedTransactionFound_thenDeadTxnException() {
long initialValue = 10;
GammaTxnLong ref = new GammaTxnLong(stm, initialValue);
long initialVersion = ref.getVersion();
GammaTxn tx = transactionFactory.newTxn();
tx.abort();
try {
ref.increment(tx);
fail();
} catch (DeadTxnException expected) {
}
assertIsAborted(tx);
assertVersionAndValue(ref, initialVersion, initialValue);
}
@Test
public void whenPreparedTransactionFound_thenPreparedTxnException() {
long initialValue = 10;
GammaTxnLong ref = new GammaTxnLong(stm, initialValue);
long initialVersion = ref.getVersion();
GammaTxn tx = transactionFactory.newTxn();
tx.prepare();
try {
ref.increment(tx);
fail();
} catch (PreparedTxnException expected) {
}
assertIsAborted(tx);
assertVersionAndValue(ref, initialVersion, initialValue);
}
@Test
public void whenNoTransaction_thenTxnMandatoryException() {
long initialValue = 10;
GammaTxnLong ref = new GammaTxnLong(stm, initialValue);
long initialVersion = ref.getVersion();
try {
ref.increment(null);
fail();
} catch (NullPointerException expected) {
}
assertVersionAndValue(ref, initialVersion, initialValue);
}
@Test
public void whenListenersAvailable() {
long initialValue = 10;
GammaTxnLong ref = new GammaTxnLong(stm, initialValue);
long initialVersion = ref.getVersion();
TxnLongAwaitThread thread = new TxnLongAwaitThread(ref, initialValue + 1);
thread.start();
sleepMs(500);
GammaTxn tx = transactionFactory.newTxn();
ref.increment(tx);
tx.commit();
joinAll(thread);
assertVersionAndValue(ref, initialVersion + 1, initialValue + 1);
}
}