/* TEMPLATE GENERATED TESTCASE FILE
Filename: CWE197_Numeric_Truncation_Error__int_random_to_short_31.java
Label Definition File: CWE197_Numeric_Truncation_Error__int.label.xml
Template File: sources-sink-31.tmpl.java
*/
/*
 * @description
 * CWE: 197 Numeric Truncation Error
 * BadSource: random Set data to a random value
 * GoodSource: A hardcoded non-zero, non-min, non-max, even number
 * Sinks: to_short
 *    BadSink : Convert data to a short
 * Flow Variant: 31 Data flow: make a copy of data within the same method
 *
 * */




import java.security.SecureRandom;

public class CWE197_Numeric_Truncation_Error__int_random_to_short_31 extends AbstractTestCase
{
    /* uses badsource and badsink */
    public void bad() throws Throwable
    {
        int dataCopy;
        {
            int data;

            /* POTENTIAL FLAW: Set data to a random value */
            data = (new SecureRandom()).nextInt();

            dataCopy = data;
        }
        {
            int data = dataCopy;

            {
                /* POTENTIAL FLAW: Convert data to a short, possibly causing a truncation error */
                IO.writeLine((short)data);
            }

        }
    }

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

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

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

            dataCopy = data;
        }
        {
            int data = dataCopy;

            {
                /* POTENTIAL FLAW: Convert data to a short, possibly causing a truncation error */
                IO.writeLine((short)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);
    }
}
