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
32