/* n_bool.C */

/*

 * On C++:  'true' and 'false' are evaluated 1 and 0 respectively.

 *      and logical AND, logical OR are evaluated boolean.

 */

/*  Valid block;    */

#define MACRO   1

#define MACRO3  3

#if MACRO == true

    Valid block 1

#else

    non-Valid block;

#endif

#if (MACRO && MACRO3) == true

    Valid block 2

#else

    non-Valid block;

#endif

/* { dg-do preprocess }

   { dg-options "-std=c++98" }

   { dg-final { if ![file exist n_bool.i] { return }                    } }

   { dg-final { if \{ [grep n_bool.i "Valid block 1"] != ""     \} \{   } }

   { dg-final { if \{ [grep n_bool.i "Valid block 2"] != ""     \} \{   } }

   { dg-final { return \} \}                                            } }

   { dg-final { fail "n_bool.C: boolean literal"                        } }

 */