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Add a test case for [BZ #23196]

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[BZ #23196]
	* string/test-memcpy.c (do_test1): New function.
	(test_main): Call it.

(cherry picked from commit ed983107bb)
This commit is contained in:
H.J. Lu 2018-05-23 03:59:56 -07:00 committed by Fangrui Song
parent c4fde9669a
commit 3eb848f535
2 changed files with 53 additions and 0 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2018-05-23 H.J. Lu <hongjiu.lu@intel.com>
[BZ #23196]
* string/test-memcpy.c (do_test1): New function.
(test_main): Call it.
2018-05-23 Andreas Schwab <schwab@suse.de>
[BZ #23196]

47
string/test-memcpy.c
View File

@ -212,6 +212,50 @@ do_random_tests (void)
}
}
static void
do_test1 (void)
{
size_t size = 0x100000;
void *large_buf;
large_buf = mmap (NULL, size * 2 + page_size, PROT_READ | PROT_WRITE,
MAP_PRIVATE | MAP_ANON, -1, 0);
if (large_buf == MAP_FAILED)
{
puts ("Failed to allocat large_buf, skipping do_test1");
return;
}
if (mprotect (large_buf + size, page_size, PROT_NONE))
error (EXIT_FAILURE, errno, "mprotect failed");
size_t arrary_size = size / sizeof (uint32_t);
uint32_t *dest = large_buf;
uint32_t *src = large_buf + size + page_size;
size_t i;
for (i = 0; i < arrary_size; i++)
src[i] = (uint32_t) i;
FOR_EACH_IMPL (impl, 0)
{
memset (dest, -1, size);
CALL (impl, (char *) dest, (char *) src, size);
for (i = 0; i < arrary_size; i++)
if (dest[i] != src[i])
{
error (0, 0,
"Wrong result in function %s dst \"%p\" src \"%p\" offset \"%zd\"",
impl->name, dest, src, i);
ret = 1;
break;
}
}
munmap ((void *) dest, size);
munmap ((void *) src, size);
}
int
test_main (void)
{
@ -253,6 +297,9 @@ test_main (void)
do_test (0, 0, getpagesize ());
do_random_tests ();
do_test1 ();
return ret;
}