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/* SPDX-License-Identifier: Apache-2.0
* Copyright(c) 2021 Cisco Systems, Inc.
*/
#include <vppinfra/format.h>
#include <vppinfra/vector/test/test.h>
#include <vppinfra/vector/compress.h>
__clib_test_fn u32
clib_compress_u32_wrapper (u32 *dst, u32 *src, u64 *mask, u32 n_elts)
{
return clib_compress_u32 (dst, src, mask, n_elts);
}
typedef struct
{
u64 mask[10];
u32 n_elts;
} compress_test_t;
static compress_test_t tests[] = {
{ .mask = { 1 }, .n_elts = 1 },
{ .mask = { 2 }, .n_elts = 2 },
{ .mask = { 3 }, .n_elts = 2 },
{ .mask = { 0, 1 }, .n_elts = 66 },
{ .mask = { 0, 2 }, .n_elts = 69 },
{ .mask = { 0, 3 }, .n_elts = 66 },
{ .mask = { ~0ULL, ~0ULL, ~0ULL, ~0ULL }, .n_elts = 62 },
{ .mask = { ~0ULL, ~0ULL, ~0ULL, ~0ULL }, .n_elts = 255 },
{ .mask = { ~0ULL, 1, 1, ~0ULL }, .n_elts = 256 },
};
static clib_error_t *
test_clib_compress_u32 (clib_error_t *err)
{
u32 src[513];
u32 dst[513];
u32 i, j;
for (i = 0; i < ARRAY_LEN (src); i++)
src[i] = i;
for (i = 0; i < ARRAY_LEN (tests); i++)
{
compress_test_t *t = tests + i;
u32 *dp = dst;
u32 r;
for (j = 0; j < ARRAY_LEN (dst); j++)
dst[j] = 0xa5a5a5a5;
r = clib_compress_u32_wrapper (dst, src, t->mask, t->n_elts);
for (j = 0; j < t->n_elts; j++)
{
if ((t->mask[j >> 6] & (1ULL << (j & 0x3f))) == 0)
continue;
if (dp[0] != src[j])
return clib_error_return (err,
"wrong data in testcase %u at "
"(dst[%u] = 0x%x, src[%u] = 0x%x)",
i, dp - dst, dp[0], j, src[j]);
dp++;
}
if (dst[dp - dst + 1] != 0xa5a5a5a5)
return clib_error_return (err, "buffer overrun in testcase %u", i);
if (dp - dst != r)
return clib_error_return (err, "wrong number of elts in testcase %u",
i);
}
return err;
}
REGISTER_TEST (clib_compress_u32) = {
.name = "clib_compress_u32",
.fn = test_clib_compress_u32,
};
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