gcc/testsuite/gcc.dg/cpp/if-paren.c

   1 /* Copyright (C) 2000 Free Software Foundation, Inc.  */
   2
   3 /* { dg-do preprocess } */
   4
   5 /* These now use "!=" rather than "<" to increase chance of failure.  */
   6 #if 16 * (1) + 4 != 20
   7 #error          /* { dg-bogus "error" "with paren" } */
   8 #endif
   9
  10 #if 16 * 1 + 4 != 20
  11 #error          /* { dg-bogus "error" "without paren" } */
  12 #endif
  13
  14 #if ()          /* { dg-error "expression between" "empty paren" } */
  15 #endif
  16
  17 #if (1) == 1
  18 #error          /* { dg-error "" "simple parens no. 1" } */
  19 #endif
  20
  21 #if (2)
  22 #error          /* { dg-error "" "simple parens no. 2" } */
  23 #endif
  24
  25 #if 3 == (3)
  26 #error          /* { dg-error "" "simple parens no. 3" } */
  27 #endif
  28
  29 #if (((-1) + 8)) == ((+2) * ((3)) - -1)
  30 #error          /* { dg-error "" "nested parentheses" } */
  31 #endif