gcc/testsuite/gcc.dg/cpp-as1.c

   1 /* Basic tests of the #assert preprocessor extension. */
   2 /* { dg-do compile } */
   3 /* { dg-options "" } */
   4
   5 #define fail  int fail
   6
   7 #assert abc (def)
   8 #assert abc (ghi)
   9 #assert abc (jkl)
  10 #assert space ( s p a c e )
  11
  12 /* Basic: */
  13 #if !#abc (def) || !#abc (ghi) || !#abc (jkl)
  14 fail
  15 #endif
  16
  17 /* any answer for #abc */
  18 #if !#abc
  19 fail
  20 #endif
  21
  22 /* internal whitespace is collapsed,
  23    external whitespace is deleted  */
  24 #if !#space (s p  a  c e) || !#space (  s p a c e  ) || #space (space)
  25 fail
  26 #endif
  27
  28 /* removing assertions */
  29 #unassert abc (jkl)
  30 #if !#abc || !#abc (def) || !#abc (ghi) || #abc (jkl)
  31 fail
  32 #endif
  33
  34 #unassert abc
  35 #if #abc || #abc (def) || #abc (ghi) || #abc (jkl)
  36 fail
  37 #endif
  38
  39 int gobble
  40
  41 /* make sure it can succeed too.
  42    also check space before open paren isn't significant */
  43 #if #space(s p a c e)
  44 ;
  45 #endif