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/* Copyright (C) 2000 Free Software Foundation, Inc.  */

/* { dg-do run } */

/* { dg-options "-std=c99" } */

/* Fully test the 6 digraphs under c99 assumptions.  Four are pasted,

   to check that digraph pasting works.  */

extern int strcmp (const char *, const char *);

extern void abort (void);

extern int puts (const char *);

#define err(str) do { puts(str); abort(); } while (0)

%:define glue(x, y) x %:%: y    /* #define glue(x, y) x ## y. */

#ifndef glue

#error glue not defined!

#endif

%:define str(x) %:x             /* #define str(x) #x */

int main (int argc, char *argv<::>) /* argv[] */

glue (<, %) /* { */

             /* di_str[] = */

  const char di_str glue(<, :)glue(:, >) = str(%:%:<::><%%>%:);

  /* Check the glue macro actually pastes, and that the spelling of

     all digraphs is preserved.  */

  if (glue(str, cmp) (di_str, "%:%:<::><%%>%:"))

    err ("Digraph spelling not preserved!");

  return 0;

glue (%, >) /* } */