gcc/testsuite/gcc.dg/cpp/counter-1.c

/* Copyright (C) 2007 Free Software Foundation
   Contributed by Ollie Wild <aaw@google.com> */

/* { dg-do preprocess } */

/* Tests __COUNTER__ macro is correctly expanded.  */

#define counter __COUNTER__

#if __COUNTER__ != 0
#error __COUNTER__ != 0
#endif

#if counter != 1
#error counter != 1
#endif

#if __COUNTER__ != 2
#error __COUNTER__ != 2
#endif