diff options
Diffstat (limited to 'string/test-ffs.c')
| -rw-r--r-- | string/test-ffs.c | 32 |
1 files changed, 20 insertions, 12 deletions
diff --git a/string/test-ffs.c b/string/test-ffs.c index 8317794d2a..ad2a4cd374 100644 --- a/string/test-ffs.c +++ b/string/test-ffs.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1994, 1997, 2000 Free Software Foundation, Inc. +/* Copyright (C) 1994, 1997, 2000, 2004 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. @@ -28,24 +28,32 @@ main (void) int failures = 0; int i; - auto void try (int value, int expected); + auto void try (const char *name, long long int param, int value, + int expected); - void try (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, (~0ll >> 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]); |