1  /* Basic tests of the #assert preprocessor extension. */
       2  /* { dg-do compile } */
       3  /* { dg-options "-Wno-deprecated" } */
       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