/* TEMPLATE GENERATED TESTCASE FILE
Filename: CWE789_Uncontrolled_Mem_Alloc__random_ArrayList_01.java
Label Definition File: CWE789_Uncontrolled_Mem_Alloc.int.label.xml
Template File: sources-sink-01.tmpl.java
*/
/*
* @description
* CWE: 789 Uncontrolled Memory Allocation
* BadSource: random Set data to a random value
* GoodSource: A hardcoded non-zero, non-min, non-max, even number
* BadSink: ArrayList Create an ArrayList using data as the initial size
* Flow Variant: 01 Baseline
*
* */






import java.security.SecureRandom;

import java.util.ArrayList;

public class CWE789_Uncontrolled_Mem_Alloc__random_ArrayList_01 extends AbstractTestCase
{
    /* uses badsource and badsink */
    public void bad() throws Throwable
    {
        int data;

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

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

    }

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

    /* goodG2B() - uses 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;

        /* POTENTIAL FLAW: Create an ArrayList using data as the initial size.  data may be very large, creating memory issues */
        ArrayList intArrayList = new ArrayList(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);
    }
}

