/* TEMPLATE GENERATED TESTCASE FILE
Filename: CWE789_Uncontrolled_Mem_Alloc__database_ArrayList_52a.java
Label Definition File: CWE789_Uncontrolled_Mem_Alloc.int.label.xml
Template File: sources-sink-52a.tmpl.java
*/
/*
 * @description
 * CWE: 789 Uncontrolled Memory Allocation
 * BadSource: database Read data from a database
 * GoodSource: A hardcoded non-zero, non-min, non-max, even number
 * Sinks: ArrayList
 *    BadSink : Create an ArrayList using data as the initial size
 * Flow Variant: 52 Data flow: data passed as an argument from one method to another to another in three different classes in the same package
 *
 * */






import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;

import java.util.logging.Level;

public class CWE789_Uncontrolled_Mem_Alloc__database_ArrayList_52a extends AbstractTestCase
{
    public void bad() throws Throwable
    {
        int data;

        data = Integer.MIN_VALUE; /* Initialize data */

        /* Read data from a database */
        {
            Connection connection = null;
            PreparedStatement preparedStatement = null;
            ResultSet resultSet = null;

            try
            {
                /* setup the connection */
                connection = IO.getDBConnection();

                /* prepare and execute a (hardcoded) query */
                preparedStatement = connection.prepareStatement("select name from users where id=0");
                resultSet = preparedStatement.executeQuery();

                /* POTENTIAL FLAW: Read data from a database query resultset */
                String stringNumber = resultSet.getString(1);
                if (stringNumber != null) /* avoid NPD incidental warnings */
                {
                    try
                    {
                        data = Integer.parseInt(stringNumber.trim());
                    }
                    catch (NumberFormatException exceptNumberFormat)
                    {
                        IO.logger.log(Level.WARNING, "Number format exception parsing data from string", exceptNumberFormat);
                    }
                }
            }
            catch (SQLException exceptSql)
            {
                IO.logger.log(Level.WARNING, "Error with SQL statement", exceptSql);
            }
            finally
            {
                /* Close database objects */
                try
                {
                    if (resultSet != null)
                    {
                        resultSet.close();
                    }
                }
                catch (SQLException exceptSql)
                {
                    IO.logger.log(Level.WARNING, "Error closing ResultSet", exceptSql);
                }

                try
                {
                    if (preparedStatement != null)
                    {
                        preparedStatement.close();
                    }
                }
                catch (SQLException exceptSql)
                {
                    IO.logger.log(Level.WARNING, "Error closing PreparedStatement", exceptSql);
                }

                try
                {
                    if (connection != null)
                    {
                        connection.close();
                    }
                }
                catch (SQLException exceptSql)
                {
                    IO.logger.log(Level.WARNING, "Error closing Connection", exceptSql);
                }
            }
        }

        (new CWE789_Uncontrolled_Mem_Alloc__database_ArrayList_52b()).badSink(data );
    }

    public void good() throws Throwable
    {
        goodG2B();
    }

    /* goodG2B() - use goodsource and badsink */
    private void goodG2B() throws Throwable
    {
        int data;

        /* FIX: Use a hardcoded number that won't cause underflow, overflow, divide by zero, or loss-of-precision issues */
        data = 2;

        (new CWE789_Uncontrolled_Mem_Alloc__database_ArrayList_52b()).goodG2BSink(data );
    }

    /* Below is the main(). It is only used when building this testcase on
     * its own for testing or for building a binary to use in testing binary
     * analysis tools. It is not used when compiling all the testcases as one
     * application, which is how source code analysis tools are tested.
     */
    public static void main(String[] args) throws ClassNotFoundException,
           InstantiationException, IllegalAccessException
    {
        mainFromParent(args);
    }
}
