}

    @Override
    public DBMetaProvider assistDBMetaProvider() {
        // TODO Auto-generated method stub
        return null;
    }

    @Override
    public SqlClauseCreator assistSqlClauseCreator() {
        // TODO Auto-generated method stub
        return null;
    }

    @Override
    public StatementFactory assistStatementFactory() {
        // TODO Auto-generated method stub

        DBMetaProvider result = invokerAssistant.assistDBMetaProvider();
        assertNull(result);
    }

    // Test assistSqlClauseCreator
    @Test
    public void test_assistSqlClauseCreator() {
        SqlClauseCreator result = invokerAssistant.assistSqlClauseCreator();
        assertNull(result);
    }

    // Test assistStatementFactory
    @Test
    public void test_assistStatementFactory() {