1/* Copyright (C) 1999 Free Software Foundation, Inc.
2  Contributed by Nathan Sidwell 20 Jan 1999 <nathan@acm.org> */
3
4/* check range combining boolean operations work */
5
6extern void abort();
7
8#define N 77
9
10void func(int i)
11{
12  /* fold-const does some clever things with range tests. Make sure
13     we get (some of) them right */
14
15  /* these must fail, regardless of the value of i */
16  if ((i < 0) && (i >= 0))
17    abort();
18  if ((i > 0) && (i <= 0))
19    abort();
20  if ((i >= 0) && (i < 0))
21    abort();
22  if ((i <= 0) && (i > 0))
23    abort();
24
25  if ((i < N) && (i >= N))
26    abort();
27  if ((i > N) && (i <= N))
28    abort();
29  if ((i >= N) && (i < N))
30    abort();
31  if ((i <= N) && (i > N))
32    abort();
33
34  /* these must pass, regardless of the value of i */
35  if (! ((i < 0) || (i >= 0)))
36    abort();
37  if (! ((i > 0) || (i <= 0)))
38    abort();
39  if (! ((i >= 0) || (i < 0)))
40    abort();
41  if (! ((i <= 0) || (i > 0)))
42    abort();
43
44  if (! ((i < N) || (i >= N)))
45    abort();
46  if (! ((i > N) || (i <= N)))
47    abort();
48  if (! ((i >= N) || (i < N)))
49    abort();
50  if (! ((i <= N) || (i > N)))
51    abort();
52
53  return;
54}
55
56int main()
57{
58  func(0);
59  func(1);
60  return 0;
61}
62