rt_gccstream/gcc/testsuite/gcc.dg/cpp/mac-dir-1.c

35 lines
582 B
C

/* Copyright (C) 2002 Free Software Foundation, Inc. */
/* { dg-do preprocess } */
/* Source: Neil Booth, 26 Feb 2002.
Test that we allow directives in macro arguments. */
/* { dg-do run } */
/* { dg-options "" } */
#define f(x) x
extern void abort (void);
int main ()
{
if (f (
#if f(1) /* True. */
0)) /* False. */
#else
1))
#endif
abort ();
/* Outer f expands to original definition, f in argument expands
to new definition, so result is: if (1 != 2 - 1). */
if (1 != f(2
#undef f
#define f - 1
f))
abort ();
return 0;
}