gcc/testsuite/gcc.dg/cpp/20000207-2.c

   1 /* { dg-do preprocess } */
   2
   3 /* Test for proper handling of unary plus in #if.  */
   4
   5 #if !(+1)
   6 #error Error    /* { dg-bogus "Error" "case !(+1)" } */
   7 #endif
   8
   9 #if !+1
  10 #error Error    /* { dg-bogus "Error" "case !+1" } */
  11 #endif
  12
  13 #if +1
  14 #else
  15 #error Error    /* { dg-bogus "Error" "case +1" } */
  16 #endif