-/* Copyright (C) 1994, 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1994-2019 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Joel Sherrill (jsherril@redstone-emh2.army.mil),
On-Line Applications Research Corporation.
The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public License as
- published by the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Library General Public License for more details.
+ Lesser General Public License for more details.
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library; see the file COPYING.LIB. If not,
- write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
int
-main (void)
+do_test (void)
{
int failures = 0;
int i;
- void try (int value, int expected)
+
+ auto void try (const char *name, long long int param, int value,
+ int expected);
+
+ void try (const char *name, long long int param, int value, int expected)
{
- if (ffs (value) != expected)
+ if (value != expected)
{
- fprintf (stderr, "%#x expected %d got %d\n",
- value, expected, ffs (value));
+ printf ("%s(%#llx) expected %d got %d\n",
+ name, param, expected, value);
++failures;
}
+ else
+ printf ("%s(%#llx) as expected %d\n", name, param, value);
}
- try (0, 0);
- for (i=0 ; i<32 ; i++)
- try (1<<i, i+1);
- for (i=0 ; i<32 ; i++)
- try ((~0 >> i) << i, i+1);
- try (0x80008000, 16);
+#define TEST(fct, type) \
+ try (#fct, 0, fct ((type) 0), 0); \
+ for (i=0 ; i < 8 * sizeof (type); i++) \
+ try (#fct, 1ll << i, fct (((type) 1) << i), i + 1); \
+ for (i=0 ; i < 8 * sizeof (type) ; i++) \
+ try (#fct, (~((type) 0) >> i) << i, fct ((~((type) 0) >> i) << i), i + 1);\
+ try (#fct, 0x80008000, fct ((type) 0x80008000), 16)
+
+ TEST (ffs, int);
+ TEST (ffsl, long int);
+ TEST (ffsll, long long int);
if (failures)
printf ("Test FAILED! %d failure%s.\n", failures, &"s"[failures == 1]);
else
puts ("Test succeeded.");
- exit (failures);
+ return failures;
}
+
+#include <support/test-driver.c>