package sqlancer;

import java.sql.SQLException;
import java.util.List;

public class CompositeTestOracle implements TestOracle {

    private final TestOracle[] oracles;
    private int i;

    public CompositeTestOracle(List<TestOracle> oracles) {
        this.oracles = oracles.toArray(new TestOracle[oracles.size()]);
    }

    @Override
    public void check() throws SQLException {
        try {
            oracles[i].check();
        } finally {
            i = (i + 1) % oracles.length;
        }
    }
}