/* TEMPLATE GENERATED TESTCASE FILE
Filename: CWE789_Uncontrolled_Mem_Alloc__console_readLine_HashMap_17.java
Label Definition File: CWE789_Uncontrolled_Mem_Alloc.int.label.xml
Template File: sources-sink-17.tmpl.java
*/
/*
* @description
* CWE: 789 Uncontrolled Memory Allocation
* BadSource: console_readLine Read data from the console using readLine
* GoodSource: A hardcoded non-zero, non-min, non-max, even number
* BadSink: HashMap Create a HashMap using data as the initial size
* Flow Variant: 17 Control flow: for loops
*
* */






import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.IOException;

import java.util.logging.Level;

import java.util.HashMap;

public class CWE789_Uncontrolled_Mem_Alloc__console_readLine_HashMap_17 extends AbstractTestCase
{
    /* uses badsource and badsink */
    public void bad() throws Throwable
    {
        int data;

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

        {
            InputStreamReader readerInputStream = null;
            BufferedReader readerBuffered = null;

            /* read user input from console with readLine */
            try
            {
                readerInputStream = new InputStreamReader(System.in, "UTF-8");
                readerBuffered = new BufferedReader(readerInputStream);

                /* POTENTIAL FLAW: Read data from the console using readLine */
                String stringNumber = readerBuffered.readLine();
                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 (IOException exceptIO)
            {
                IO.logger.log(Level.WARNING, "Error with stream reading", exceptIO);
            }
            finally
            {
                try
                {
                    if (readerBuffered != null)
                    {
                        readerBuffered.close();
                    }
                }
                catch (IOException exceptIO)
                {
                    IO.logger.log(Level.WARNING, "Error closing BufferedReader", exceptIO);
                }

                try
                {
                    if (readerInputStream != null)
                    {
                        readerInputStream.close();
                    }
                }
                catch (IOException exceptIO)
                {
                    IO.logger.log(Level.WARNING, "Error closing InputStreamReader", exceptIO);
                }
            }
        }
        /* NOTE: Tools may report a flaw here because readerBuffered and readerInputStream are not closed.  Unfortunately, closing those will close System.in, which will cause any future attempts to read from the console to fail and throw an exception */

        for (int i = 0; i < 1; i++)
        {
            /* POTENTIAL FLAW: Create a HashMap using data as the initial size.  data may be very large, creating memory issues */
            HashMap intHashMap = new HashMap(data);
        }
    }

    /* goodG2B() - use goodsource and badsink by reversing the block outside the
     * for statement with the one in the for statement */
    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;

        for (int i = 0; i < 1; i++)
        {
            /* POTENTIAL FLAW: Create a HashMap using data as the initial size.  data may be very large, creating memory issues */
            HashMap intHashMap = new HashMap(data);
        }
    }

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

    /* 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);
    }
}
