Fix typo.
[glibc.git] / string / test-ffs.c
blob37259105440aa0eaaa7a1ed05d64960a2ceb0777
1 /* Copyright (C) 1994, 1997, 2000, 2004 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Joel Sherrill (jsherril@redstone-emh2.army.mil),
4 On-Line Applications Research Corporation.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, write to the Free
18 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
19 02111-1307 USA. */
21 #include <stdlib.h>
22 #include <stdio.h>
23 #include <string.h>
25 int
26 main (void)
28 int failures = 0;
29 int i;
31 auto void try (const char *name, long long int param, int value,
32 int expected);
34 void try (const char *name, long long int param, int value, int expected)
36 if (value != expected)
38 printf ("%s(%#llx) expected %d got %d\n",
39 name, param, expected, value);
40 ++failures;
42 else
43 printf ("%s(%#llx) as expected %d\n", name, param, value);
46 #define TEST(fct, type) \
47 try (#fct, 0, fct ((type) 0), 0); \
48 for (i=0 ; i < 8 * sizeof (type); i++) \
49 try (#fct, 1ll << i, fct (((type) 1) << i), i + 1); \
50 for (i=0 ; i < 8 * sizeof (type) ; i++) \
51 try (#fct, (~((type) 0) >> i) << i, fct ((~((type) 0) >> i) << i), i + 1);\
52 try (#fct, 0x80008000, fct ((type) 0x80008000), 16)
54 TEST (ffs, int);
55 TEST (ffsl, long int);
56 TEST (ffsll, long long int);
58 if (failures)
59 printf ("Test FAILED! %d failure%s.\n", failures, &"s"[failures == 1]);
60 else
61 puts ("Test succeeded.");
63 return failures;