protected  void localSetUp() 
{
        addTearDownClass(PCPoint.class);
        loadAndPersistPCPoints(getPM());
}

 public static  void main(String[] args) 
{
        BatchTestRunner.run(ParameterDeclaredWithSameNameAsFieldOfCandidateClass.class);
}

The main is called when the class is directly executed from the command line.

  void runTestParameterDeclaredWithSameNameAsFieldOfCandidateClass01(PersistenceManager pm) 
{
        Transaction tx = pm.currentTransaction();
        try {
            tx.begin();
            Query query = pm.newQuery();
            query.setClass(PCPoint.class);
            query.setCandidates(pm.getExtent(PCPoint.class, false));
            query.declareParameters("Integer x");
            query.setFilter("x == x");
            Object results = query.execute(new java.lang.Integer(2));
            // check query result
            List expected = new ArrayList();
            Object p1 = new PCPoint(0, 0);
            Object p2 = new PCPoint(1, 1);
            Object p3 = new PCPoint(2, 2);
            Object p4 = new PCPoint(3, 3);
            Object p5 = new PCPoint(4, 4);
            expected.add(p1);
            expected.add(p2);
            expected.add(p3);
            expected.add(p4);
            expected.add(p5);
            expected = getFromInserted(expected);
            printOutput(results, expected);
            checkQueryResultWithoutOrder(ASSERTION_FAILED, "x == x", 
                    results, expected);
            if (debug) 
                logger.debug("\nTest ParameterDeclaredWithSameNameAsFieldOfCandidateClass - Passed");
            tx.commit();
            tx = null;
        }
        finally {
            if ((tx != null) && tx.isActive())
                tx.rollback();
        }
}

  void runTestParameterDeclaredWithSameNameAsFieldOfCandidateClass02(PersistenceManager pm) 
{
        Transaction tx = pm.currentTransaction();
        try {
            tx.begin();
            Query query = pm.newQuery();
            query.setClass(PCPoint.class);
            query.setCandidates(pm.getExtent(PCPoint.class, false));
            query.declareParameters("Integer y");
            query.setFilter("y == y");
            Object results = query.execute(new java.lang.Integer(2));
            // check query result
            List expected = new ArrayList();
            Object p1 = new PCPoint(0, 0);
            Object p2 = new PCPoint(1, 1);
            Object p3 = new PCPoint(2, 2);
            Object p4 = new PCPoint(3, 3);
            Object p5 = new PCPoint(4, 4);
            expected.add(p1);
            expected.add(p2);
            expected.add(p3);
            expected.add(p4);
            expected.add(p5);
            expected = getFromInserted(expected);
            printOutput(results, expected);
            checkQueryResultWithoutOrder(ASSERTION_FAILED, "y == y",
                    results, expected);
            if (debug) 
                logger.debug("\nTest ParameterDeclaredWithSameNameAsFieldOfCandidateClass - Passed");
            tx.commit();
            tx = null;
        }
        finally {
            if ((tx != null) && tx.isActive())
                tx.rollback();
        }
}

 public  void testPositve() 
{
        PersistenceManager pm = getPM();
        runTestParameterDeclaredWithSameNameAsFieldOfCandidateClass01(pm);
        runTestParameterDeclaredWithSameNameAsFieldOfCandidateClass02(pm);
}