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Fix strchr test

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This commit is contained in:
Andreas Schwab 2011-10-25 14:55:08 +02:00
parent 31ea014d8b
commit 37822576b8
2 changed files with 19 additions and 11 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
2011-10-25 Andreas Schwab <schwab@redhat.com>
* string/test-strchr.c (do_test): Don't generate NUL bytes.
2011-10-25 Ulrich Drepper <drepper@gmail.com> 2011-10-25 Ulrich Drepper <drepper@gmail.com>
* sysdeps/x86_64/fpu/math_private.h: Use VEX encoding when possible. * sysdeps/x86_64/fpu/math_private.h: Use VEX encoding when possible.

26
string/test-strchr.c
View File

@ -63,8 +63,8 @@ stupid_STRCHR (const CHAR *s, int c)
return NULL; return NULL;
} }
IMPL (stupid_STRCHR, 1) IMPL (stupid_STRCHR, 0)
IMPL (simple_STRCHR, 1) IMPL (simple_STRCHR, 0)
IMPL (STRCHR, 1) IMPL (STRCHR, 1)
static void static void
@ -100,15 +100,15 @@ do_one_test (impl_t *impl, const CHAR *s, int c, const CHAR *exp_res)
static void static void
do_test (size_t align, size_t pos, size_t len, int seek_char, int max_char) do_test (size_t align, size_t pos, size_t len, int seek_char, int max_char)
/* for wcschr: align here means align not in bytes, /* For wcschr: align here means align not in bytes,
* but in wchar_ts, in bytes it will equal to align * (sizeof (wchar_t)) but in wchar_ts, in bytes it will equal to align * (sizeof (wchar_t))
* len for wcschr here isn't in bytes but it's number of wchar_t symbols */ len for wcschr here isn't in bytes but it's number of wchar_t symbols. */
{ {
size_t i; size_t i;
CHAR *result; CHAR *result;
CHAR *buf = (CHAR *) (buf1); CHAR *buf = (CHAR *) buf1;
align &= 15; align &= 15;
if ((align + len) * sizeof(CHAR) >= page_size) if ((align + len) * sizeof (CHAR) >= page_size)
return; return;
for (i = 0; i < len; ++i) for (i = 0; i < len; ++i)
@ -116,6 +116,8 @@ do_test (size_t align, size_t pos, size_t len, int seek_char, int max_char)
buf[align + i] = 32 + 23 * i % max_char; buf[align + i] = 32 + 23 * i % max_char;
if (buf[align + i] == seek_char) if (buf[align + i] == seek_char)
buf[align + i] = seek_char + 1; buf[align + i] = seek_char + 1;
else if (buf[align + i] == 0)
buf[align + i] = 1;
} }
buf[align + len] = 0; buf[align + len] = 0;
@ -130,7 +132,8 @@ do_test (size_t align, size_t pos, size_t len, int seek_char, int max_char)
result = NULL; result = NULL;
if (HP_TIMING_AVAIL) if (HP_TIMING_AVAIL)
printf ("Length %4zd, alignment in bytes %2zd:", pos, align * sizeof (CHAR)); printf ("Length %4zd, alignment in bytes %2zd:",
pos, align * sizeof (CHAR));
FOR_EACH_IMPL (impl, 0) FOR_EACH_IMPL (impl, 0)
do_one_test (impl, buf + align, seek_char, result); do_one_test (impl, buf + align, seek_char, result);
@ -149,14 +152,15 @@ do_random_tests (void)
for (n = 0; n < ITERATIONS; n++) for (n = 0; n < ITERATIONS; n++)
{ {
/* for wcschr: align here means align not in bytes, but in wchar_ts, /* For wcschr: align here means align not in bytes, but in wchar_ts,
* in bytes it will equal to align * (sizeof (wchar_t)) */ in bytes it will equal to align * (sizeof (wchar_t)). */
align = random () & 15; align = random () & 15;
pos = random () & 511; pos = random () & 511;
seek_char = random () & 255; seek_char = random () & 255;
if (pos + align >= 511) if (pos + align >= 511)
pos = 510 - align - (random () & 7); pos = 510 - align - (random () & 7);
/* len for wcschr here isn't in bytes but it's number of wchar_t symbols */ /* len for wcschr here isn't in bytes but it's number of wchar_t
symbols. */
len = random () & 511; len = random () & 511;
if ((pos == len && seek_char) if ((pos == len && seek_char)
|| (pos > len && (random () & 1))) || (pos > len && (random () & 1)))