/* TEMPLATE GENERATED TESTCASE FILE
Filename: CWE369_Divide_by_Zero__float_zero_divide_12.java
Label Definition File: CWE369_Divide_by_Zero__float.label.xml
Template File: sources-sinks-12.tmpl.java
*/
/*
* @description
* CWE: 369 Divide by zero
* BadSource: zero Set data to a hardcoded value of zero
* GoodSource: A hardcoded non-zero number (two)
* Sinks: divide
*    GoodSink: Check for zero before dividing
*    BadSink : Dividing by a value that may be zero
* Flow Variant: 12 Control flow: if(IO.staticReturnsTrueOrFalse())
*
* */




public class CWE369_Divide_by_Zero__float_zero_divide_12 extends AbstractTestCase
{
    public void bad() throws Throwable
    {
        float data;
        if(IO.staticReturnsTrueOrFalse())
        {
            data = 0.0f; /* POTENTIAL FLAW: data is set to zero */
        }
        else
        {

            /* FIX: Use a hardcoded number that won't a divide by zero */
            data = 2.0f;

        }

        if(IO.staticReturnsTrueOrFalse())
        {
            /* POTENTIAL FLAW: Possibly divide by zero */
            int result = (int)(100.0 / data);
            IO.writeLine(result);
        }
        else
        {

            /* FIX: Check for value of or near zero before dividing */
            if (Math.abs(data) > 0.000001)
            {
                int result = (int)(100.0 / data);
                IO.writeLine(result);
            }
            else
            {
                IO.writeLine("This would result in a divide by zero");
            }

        }
    }

    /* goodG2B() - use goodsource and badsink by changing the first "if" so that
     * both branches use the GoodSource */
    private void goodG2B() throws Throwable
    {
        float data;
        if(IO.staticReturnsTrueOrFalse())
        {
            /* FIX: Use a hardcoded number that won't a divide by zero */
            data = 2.0f;
        }
        else
        {

            /* FIX: Use a hardcoded number that won't a divide by zero */
            data = 2.0f;

        }

        if(IO.staticReturnsTrueOrFalse())
        {
            /* POTENTIAL FLAW: Possibly divide by zero */
            int result = (int)(100.0 / data);
            IO.writeLine(result);
        }
        else
        {

            /* POTENTIAL FLAW: Possibly divide by zero */
            int result = (int)(100.0 / data);
            IO.writeLine(result);

        }
    }

    /* goodB2G() - use badsource and goodsink by changing the second "if" so that
     * both branches use the GoodSink */
    private void goodB2G() throws Throwable
    {
        float data;
        if(IO.staticReturnsTrueOrFalse())
        {
            data = 0.0f; /* POTENTIAL FLAW: data is set to zero */
        }
        else
        {

            data = 0.0f; /* POTENTIAL FLAW: data is set to zero */

        }

        if(IO.staticReturnsTrueOrFalse())
        {
            /* FIX: Check for value of or near zero before dividing */
            if (Math.abs(data) > 0.000001)
            {
                int result = (int)(100.0 / data);
                IO.writeLine(result);
            }
            else
            {
                IO.writeLine("This would result in a divide by zero");
            }
        }
        else
        {

            /* FIX: Check for value of or near zero before dividing */
            if (Math.abs(data) > 0.000001)
            {
                int result = (int)(100.0 / data);
                IO.writeLine(result);
            }
            else
            {
                IO.writeLine("This would result in a divide by zero");
            }

        }
    }

    public void good() throws Throwable
    {
        goodG2B();
        goodB2G();
    }

    /* 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);
    }
}
