diff options
Diffstat (limited to 'src/vppinfra/vector')
| -rw-r--r-- | src/vppinfra/vector/test/count_equal.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/src/vppinfra/vector/test/count_equal.c b/src/vppinfra/vector/test/count_equal.c new file mode 100644 index 00000000000..cd1c8a5c4d1 --- /dev/null +++ b/src/vppinfra/vector/test/count_equal.c @@ -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, +}; |