gnu/dist/gcc4/gcc/testsuite/gcc.dg/cpp/if-unary.c

   1 /* Copyright (C) 2000 Free Software Foundation, Inc.  */
   2
   3 /* { dg-do preprocess } */
   4
   5 /* Test the various unary operators.  */
   6
   7 #if 1 + + + 1   /* allow multiple unary sign operators :) */
   8 #endif
   9
  10 #if 8 - +3 != +4 + +1
  11 #error          /* { dg-bogus "error" "unary +" } */
  12 #endif
  13
  14 #if -2 - -1 != -1
  15 #error          /* { dg-bogus "error" "unary -" } */
  16 #endif
  17
  18 #if ~0 != -1
  19 #error          /* { dg-bogus "error" "unary ~" } */
  20 #endif
  21
  22 #if !0 && (!1 == 0) && !!1 != 1
  23 #error          /* { dg-bogus "error" "unary !" } */
  24 #endif
  25
  26 #if ~~8 != 8
  27 #error          /* { dg-bogus "error" "double unary ~" } */
  28 #endif
  29
  30 #if 5 + +!-4 != 5
  31 #error          /* { dg-bogus "error" "compound unary +, !, -" } */
  32 #endif