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