gcc/testsuite/gcc.dg/cpp/assert1.c

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