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#include "testutils.h"
#include "knuth-lfib.h"
#include "memops.h"
#if HAVE_VALGRIND_MEMCHECK_H
# include <valgrind/memcheck.h>
static void
cnd_memcpy_for_test(int cnd, void *dst, const void *src, size_t n)
{
/* Makes valgrind trigger on any branches depending on the input
data. */
VALGRIND_MAKE_MEM_UNDEFINED (dst, n);
VALGRIND_MAKE_MEM_UNDEFINED (src, n);
VALGRIND_MAKE_MEM_UNDEFINED (&cnd, sizeof(cnd));
cnd_memcpy (cnd, dst, src, n);
VALGRIND_MAKE_MEM_DEFINED (src, n);
VALGRIND_MAKE_MEM_DEFINED (dst, n);
}
#else
#define cnd_memcpy_for_test cnd_memcpy
#endif
#define MAX_SIZE 50
void
test_main(void)
{
uint8_t src[MAX_SIZE];
uint8_t dst[MAX_SIZE];
uint8_t res[MAX_SIZE];
struct knuth_lfib_ctx random_ctx;
knuth_lfib_init (&random_ctx, 11);
size_t size;
for (size = 1; size < 50; size++)
{
knuth_lfib_random (&random_ctx, size, src);
knuth_lfib_random (&random_ctx, size, dst);
memcpy (res, dst, size);
cnd_memcpy_for_test (0, res, src, size);
ASSERT (memcmp (res, dst, size) == 0);
cnd_memcpy_for_test (1, res, src, size);
ASSERT (memcmp (res, src, size) == 0);
}
}
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