package org.multiverse.stms.gamma.transactions.fat;
import org.junit.Before;
import org.junit.Test;
import org.multiverse.api.exceptions.DeadTxnException;
import org.multiverse.api.exceptions.PreparedTxnException;
import org.multiverse.stms.gamma.GammaStm;
import org.multiverse.stms.gamma.transactionalobjects.GammaTxnLong;
import org.multiverse.stms.gamma.transactionalobjects.Tranlocal;
import org.multiverse.stms.gamma.transactions.GammaTxn;
import static org.junit.Assert.*;
import static org.multiverse.TestUtils.*;
public abstract class FatGammaTxn_locateTest<T extends GammaTxn> {
protected GammaStm stm;
@Before
public void setUp() {
stm = new GammaStm();
}
protected abstract T newTransaction();
@Test
public void whenNull_thenNullPointerException() {
GammaTxn tx = newTransaction();
try {
tx.locate(null);
fail();
} catch (NullPointerException expected) {
}
assertIsAborted(tx);
}
@Test
public void whenNotFound() {
GammaTxnLong ref = new GammaTxnLong(stm);
GammaTxnLong otherRef = new GammaTxnLong(stm);
GammaTxn tx = newTransaction();
ref.openForRead(tx, LOCKMODE_NONE);
Tranlocal found = tx.locate(otherRef);
assertNull(found);
assertIsActive(tx);
}
@Test
public void whenFound() {
GammaTxnLong ref = new GammaTxnLong(stm);
GammaTxn tx = newTransaction();
Tranlocal tranlocal = ref.openForRead(tx, LOCKMODE_NONE);
Tranlocal found = tx.locate(ref);
assertSame(tranlocal, found);
assertIsActive(tx);
}
@Test
public void whenAlreadyPrepared() {
GammaTxn tx = newTransaction();
tx.prepare();
GammaTxnLong ref = new GammaTxnLong(stm);
try {
tx.locate(ref);
fail();
} catch (PreparedTxnException expected) {
}
assertIsAborted(tx);
}
@Test
public void whenAlreadyCommitted() {
GammaTxn tx = newTransaction();
tx.commit();
GammaTxnLong ref = new GammaTxnLong(stm);
try {
tx.locate(ref);
fail();
} catch (DeadTxnException expected) {
}
assertIsCommitted(tx);
}
@Test
public void whenAlreadyAborted() {
GammaTxn tx = newTransaction();
tx.abort();
GammaTxnLong ref = new GammaTxnLong(stm);
try {
tx.locate(ref);
fail();
} catch (DeadTxnException expected) {
}
assertIsAborted(tx);
}
}