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/* SPDX-License-Identifier: Apache-2.0
* Copyright(c) 2021 Cisco Systems, Inc.
*/
#include <vppinfra/format.h>
#include <vppinfra/test/test.h>
#include <vppinfra/vector/index_to_ptr.h>
typedef void (wrapper_fn) (u32 *indices, void *base, u8 shift, void **ptrs,
u32 n_elts);
__test_funct_fn void
clib_index_to_ptr_u32_wrapper (u32 *indices, void *base, u8 shift, void **ptrs,
u32 n_elts)
{
clib_index_to_ptr_u32 (indices, base, shift, ptrs, n_elts);
}
static wrapper_fn *wfn = &clib_index_to_ptr_u32_wrapper;
static clib_error_t *
test_clib_index_to_ptr_u32 (clib_error_t *err)
{
void *_ptrs[512 + 128], **ptrs = _ptrs + 64;
u32 _indices[512 + 128], *indices = _indices + 64;
u16 lengths[] = { 1, 3, 5, 7, 9, 15, 16, 17, 31, 32,
33, 40, 41, 42, 63, 64, 65, 511, 512 };
for (int i = 0; i < ARRAY_LEN (_indices); i++)
_indices[i] = i;
for (int i = 0; i < ARRAY_LEN (lengths); i++)
{
u16 len = lengths[i];
u8 shift = 6;
void *base = (void *) 0x100000000 + i;
for (int j = -64; j < len + 64; j++)
ptrs[j] = (void *) 0xfefefefefefefefe;
wfn (indices, base, shift, ptrs, len);
for (int j = 0; j < len; j++)
{
void *expected = base + ((u64) indices[j] << shift);
if (ptrs[j] != expected)
return clib_error_return (err,
"testcase failed for length %u "
"(offset %u, expected %p, found %p)",
len, j, expected, ptrs[j]);
}
}
return err;
}
REGISTER_TEST (clib_index_to_ptr_u32) = {
.name = "clib_index_to_ptr_u32",
.fn = test_clib_index_to_ptr_u32,
};
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