/* TEMPLATE GENERATED TESTCASE FILE
Filename: CWE789_Uncontrolled_Mem_Alloc__console_readLine_HashSet_09.java
Label Definition File: CWE789_Uncontrolled_Mem_Alloc.int.label.xml
Template File: sources-sink-09.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: HashSet Create a HashSet using data as the initial size
* Flow Variant: 09 Control flow: if(IO.STATIC_FINAL_TRUE) and if(IO.STATIC_FINAL_FALSE)
*
* */






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

import java.util.logging.Level;

import java.util.HashSet;

public class CWE789_Uncontrolled_Mem_Alloc__console_readLine_HashSet_09 extends AbstractTestCase
{
    /* uses badsource and badsink */
    public void bad() throws Throwable
    {
        int data;
        if (IO.STATIC_FINAL_TRUE)
        {
            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 */
        }
        else
        {
            /* INCIDENTAL: CWE 561 Dead Code, the code below will never run
             * but ensure data is inititialized before the Sink to avoid compiler errors */
            data = 0;
        }

        /* POTENTIAL FLAW: Create a HashSet using data as the initial size.  data may be very large, creating memory issues */
        HashSet intHashSet = new HashSet(data);

    }

    /* goodG2B1() - use goodsource and badsink by changing IO.STATIC_FINAL_TRUE to IO.STATIC_FINAL_FALSE */
    private void goodG2B1() throws Throwable
    {
        int data;
        if (IO.STATIC_FINAL_FALSE)
        {
            /* INCIDENTAL: CWE 561 Dead Code, the code below will never run
             * but ensure data is inititialized before the Sink to avoid compiler errors */
            data = 0;
        }
        else
        {

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

        }

        /* POTENTIAL FLAW: Create a HashSet using data as the initial size.  data may be very large, creating memory issues */
        HashSet intHashSet = new HashSet(data);

    }

    /* goodG2B2() - use goodsource and badsink by reversing statements in if */
    private void goodG2B2() throws Throwable
    {
        int data;
        if (IO.STATIC_FINAL_TRUE)
        {
            /* FIX: Use a hardcoded number that won't cause underflow, overflow, divide by zero, or loss-of-precision issues */
            data = 2;
        }
        else
        {
            /* INCIDENTAL: CWE 561 Dead Code, the code below will never run
             * but ensure data is inititialized before the Sink to avoid compiler errors */
            data = 0;
        }

        /* POTENTIAL FLAW: Create a HashSet using data as the initial size.  data may be very large, creating memory issues */
        HashSet intHashSet = new HashSet(data);

    }

    public void good() throws Throwable
    {
        goodG2B1();
        goodG2B2();
    }

    /* 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);
    }
}
