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vppinfra: clib_count_equal_* tests

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Type: improvement
Change-Id: I8f75cd9ce78ce686985e65c75dcddf498cef7621
Signed-off-by: Damjan Marion <damarion@cisco.com>
This commit is contained in:
Damjan Marion
2021-11-06 13:26:58 +01:00
committed by Florin Coras
parent 7459be1b36
commit 66b057e563
2 changed files with 102 additions and 2 deletions
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5
src/vppinfra/CMakeLists.txt
View File

@ -272,9 +272,10 @@ if(VPP_BUILD_VPPINFRA_TESTS)
endforeach()
set(test_files
vector/test/compress.c
vector/test/mask_compare.c
vector/test/array_mask.c
vector/test/compress.c
vector/test/count_equal.c
vector/test/mask_compare.c
)
add_vpp_executable(test_vector_funcs

99
src/vppinfra/vector/test/count_equal.c Normal file
View File

@ -0,0 +1,99 @@
/* 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/count_equal.h>
#define foreach_clib_count_equal(type) \
typedef uword (wrapper_fn_##type) (type * a, uword maxcount); \
\
__clib_test_fn uword clib_count_equal_##type##_wrapper (type *a, \
uword maxcount) \
{ \
return clib_count_equal_##type (a, maxcount); \
} \
\
static wrapper_fn_##type *wfn_##type = &clib_count_equal_##type##_wrapper; \
static clib_error_t *test_clib_count_equal_##type (clib_error_t *err) \
{ \
u32 ps = clib_mem_get_log2_page_size (); \
void *map; \
\
u16 lengths[] = { \
1, 2, 3, 5, 7, 9, 15, 16, 17, 31, 32, 33, 255, 256, 257 \
}; \
type *data; \
\
map = clib_mem_vm_map (0, 2ULL << ps, ps, "test"); \
if (map == CLIB_MEM_VM_MAP_FAILED) \
return clib_error_return (err, "clib_mem_vm_map failed"); \
\
data = ((type *) (map + (1ULL << ps))); \
data[-1] = 0xfe; \
\
mprotect (data, 1ULL < ps, PROT_NONE); \
\
for (int i = 1; i <= (1 << ps) / sizeof (data[0]); i++) \
data[-i] = 7; \
\
for (int i = 0; i < ARRAY_LEN (lengths); i++) \
{ \
uword rv, len = lengths[i]; \
\
if ((rv = wfn_##type (data - len, len)) != len) \
{ \
err = clib_error_return ( \
err, "testcase 1 failed for len %u (rv %u)", len, rv); \
goto done; \
} \
\
data[-1] = 8; \
if (len > 1 && ((rv = wfn_##type (data - len, len)) != len - 1)) \
{ \
err = clib_error_return ( \
err, "testcase 2 failed for len %u (rv %u)", len, rv); \
goto done; \
} \
data[-1] = 7; \
\
data[-2] = 8; \
if (len > 2 && ((rv = wfn_##type (data - len, len)) != len - 2)) \
{ \
err = clib_error_return ( \
err, "testcase 3 failed for len %u (rv %u)", len, rv); \
goto done; \
} \
data[-2] = 7; \
} \
\
done: \
clib_mem_vm_unmap (map); \
return err; \
}
foreach_clib_count_equal (u8);
foreach_clib_count_equal (u16);
foreach_clib_count_equal (u32);
foreach_clib_count_equal (u64);
REGISTER_TEST (clib_count_equal_u8) = {
.name = "clib_count_equal_u8",
.fn = test_clib_count_equal_u8,
};
REGISTER_TEST (clib_count_equal_u16) = {
.name = "clib_count_equal_u16",
.fn = test_clib_count_equal_u16,
};
REGISTER_TEST (clib_count_equal_u32) = {
.name = "clib_count_equal_u32",
.fn = test_clib_count_equal_u32,
};
REGISTER_TEST (clib_count_equal_u64) = {
.name = "clib_count_equal_u64",
.fn = test_clib_count_equal_u64,
};