@Test
public void testSavepointsAreActive() throws Exception {
Txn parent = control.beginTransaction(DESTINATION_TABLE);
TransactionImpl transaction = new TransactionImpl("user", parent, false, control);
int res = transaction.setSavePoint("first", null);
Assert.assertEquals("Wrong txn stack size", 2, res);
transaction.elevate(DESTINATION_TABLE);
Txn parent2 = control.beginTransaction();
long[] ids = txnStore.getActiveTransactionIds(parent2, DESTINATION_TABLE);
Assert.assertEquals("Incorrect size", 2, ids.length);
Assert.assertArrayEquals(
"Incorrect values", new long[] {parent.getTxnId(), transaction.getTxn().getTxnId()}, ids);
res = transaction.rollbackToSavePoint("first", null);
Assert.assertEquals("Wrong txn stack size", 2, res);
ids = txnStore.getActiveTransactionIds(parent2, DESTINATION_TABLE);
Assert.assertEquals("Incorrect size", 1, ids.length);
Assert.assertArrayEquals("Incorrect values", new long[] {parent.getTxnId()}, ids);
}