1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2017 Intel Corporation
5 /* This test is for membership library's simple feature test */
7 #include <rte_memcpy.h>
8 #include <rte_malloc.h>
9 #include <rte_member.h>
10 #include <rte_byteorder.h>
11 #include <rte_random.h>
12 #include <rte_debug.h>
17 struct rte_member_setsum
*setsum_ht
;
18 struct rte_member_setsum
*setsum_cache
;
19 struct rte_member_setsum
*setsum_vbf
;
21 /* 5-tuple key type */
28 } __attribute__((packed
));
30 /* Set ID Macros for multimatch test usage */
31 #define M_MATCH_S 1 /* Not start with 0 since by default 0 means no match */
33 #define M_MATCH_STEP 2
35 (1 + (M_MATCH_E - M_MATCH_S) / M_MATCH_STEP)
41 /* Keys used by unit test functions */
42 static struct flow_key keys
[NUM_SAMPLES
] = {
44 .ip_src
= IPv4(0x03, 0x02, 0x01, 0x00),
45 .ip_dst
= IPv4(0x07, 0x06, 0x05, 0x04),
51 .ip_src
= IPv4(0x13, 0x12, 0x11, 0x10),
52 .ip_dst
= IPv4(0x17, 0x16, 0x15, 0x14),
58 .ip_src
= IPv4(0x23, 0x22, 0x21, 0x20),
59 .ip_dst
= IPv4(0x27, 0x26, 0x25, 0x24),
65 .ip_src
= IPv4(0x33, 0x32, 0x31, 0x30),
66 .ip_dst
= IPv4(0x37, 0x36, 0x35, 0x34),
72 .ip_src
= IPv4(0x43, 0x42, 0x41, 0x40),
73 .ip_dst
= IPv4(0x47, 0x46, 0x45, 0x44),
80 uint32_t test_set
[NUM_SAMPLES
] = {1, 2, 3, 4, 5};
85 #define MAX_ENTRIES (1 << 16)
86 uint8_t generated_keys
[MAX_ENTRIES
][KEY_SIZE
];
88 static struct rte_member_parameters params
= {
89 .num_keys
= MAX_ENTRIES
, /* Total hash table entries. */
90 .key_len
= KEY_SIZE
, /* Length of hash key. */
92 /* num_set and false_positive_rate only relevant to vBF */
94 .false_positive_rate
= 0.03,
97 .socket_id
= 0 /* NUMA Socket ID for memory. */
101 * Sequence of operations for find existing setsummary
104 * - find existing setsum: hit
105 * - find non-existing setsum: miss
109 test_member_find_existing(void)
111 struct rte_member_setsum
*tmp_setsum
= NULL
, *result
= NULL
;
112 struct rte_member_parameters tmp_params
= {
113 .name
= "member_find_existing",
114 .num_keys
= MAX_ENTRIES
, /* Total hash table entries. */
115 .key_len
= KEY_SIZE
, /* Length of hash key. */
116 .type
= RTE_MEMBER_TYPE_HT
,
118 .false_positive_rate
= 0.03,
121 .socket_id
= 0 /* NUMA Socket ID for memory. */
125 tmp_setsum
= rte_member_create(&tmp_params
);
126 TEST_ASSERT(tmp_setsum
!= NULL
, "setsum creation failed");
128 /* Try to find existing hash table */
129 result
= rte_member_find_existing("member_find_existing");
130 TEST_ASSERT(result
== tmp_setsum
, "could not find existing setsum");
132 /* Try to find non-existing hash table */
133 result
= rte_member_find_existing("member_find_non_existing");
134 TEST_ASSERT(result
== NULL
, "found setsum that shouldn't exist");
137 rte_member_free(tmp_setsum
);
143 * Test for bad creating parameters
146 test_member_create_bad_param(void)
148 struct rte_member_setsum
*bad_setsum
= NULL
;
149 struct rte_member_parameters bad_params
= {
150 .num_keys
= MAX_ENTRIES
, /* Total hash table entries. */
151 .key_len
= KEY_SIZE
, /* Length of hash key. */
152 .type
= RTE_MEMBER_TYPE_HT
,
154 .false_positive_rate
= 0.03,
157 .socket_id
= 0 /* NUMA Socket ID for memory. */
160 printf("Expected error section begin...\n");
161 bad_params
.name
= "bad_param1";
162 bad_params
.num_set
= 0;
163 bad_params
.type
= RTE_MEMBER_TYPE_VBF
;
164 /* Test with 0 set for vBF should fail */
165 bad_setsum
= rte_member_create(&bad_params
);
166 if (bad_setsum
!= NULL
) {
167 rte_member_free(bad_setsum
);
168 printf("Impossible creating setsum successfully with invalid "
169 "number of set for vBF\n");
173 bad_params
.name
= "bad_param2";
174 bad_params
.false_positive_rate
= 0;
175 bad_params
.num_set
= 32;
176 /* Test with 0 false positive for vBF should fail */
177 bad_setsum
= rte_member_create(&bad_params
);
178 if (bad_setsum
!= NULL
) {
179 rte_member_free(bad_setsum
);
180 printf("Impossible creating setsum successfully with invalid "
181 "false positive rate for vBF\n");
185 bad_params
.name
= "bad_param3";
186 bad_params
.false_positive_rate
= 0.03;
187 bad_params
.num_keys
= 0;
188 /* Test with 0 key per BF for vBF should fail */
189 bad_setsum
= rte_member_create(&bad_params
);
190 if (bad_setsum
!= NULL
) {
191 rte_member_free(bad_setsum
);
192 printf("Impossible creating setsum successfully with invalid "
193 "num_keys for vBF\n");
197 bad_params
.name
= "bad_param4";
198 bad_params
.type
= RTE_MEMBER_TYPE_HT
;
199 bad_params
.num_keys
= RTE_MEMBER_BUCKET_ENTRIES
/ 2;
200 /* Test with less than 1 bucket for HTSS should fail */
201 bad_setsum
= rte_member_create(&bad_params
);
202 if (bad_setsum
!= NULL
) {
203 rte_member_free(bad_setsum
);
204 printf("Impossible creating setsum successfully with too few "
205 "number of keys(entries) for HT\n");
209 bad_params
.name
= "bad_param5";
210 bad_params
.num_keys
= RTE_MEMBER_ENTRIES_MAX
+ 1;
211 /* Test with more than maximum entries for HTSS should fail */
212 bad_setsum
= rte_member_create(&bad_params
);
213 if (bad_setsum
!= NULL
) {
214 rte_member_free(bad_setsum
);
215 printf("Impossible creating setsum successfully with to many "
216 "number of keys(entries) for HT\n");
220 bad_params
.name
= "bad_param5";
221 /* Test with same name should fail */
222 bad_setsum
= rte_member_create(&bad_params
);
223 if (bad_setsum
!= NULL
) {
224 rte_member_free(bad_setsum
);
225 printf("Impossible creating setsum successfully with existed "
229 printf("Expected error section end...\n");
230 rte_member_free(bad_setsum
);
234 /* Create test setsummaries. */
235 static int test_member_create(void)
237 params
.key_len
= sizeof(struct flow_key
);
239 params
.name
= "test_member_ht";
241 params
.type
= RTE_MEMBER_TYPE_HT
;
242 setsum_ht
= rte_member_create(¶ms
);
244 params
.name
= "test_member_cache";
246 setsum_cache
= rte_member_create(¶ms
);
248 params
.name
= "test_member_vbf";
249 params
.type
= RTE_MEMBER_TYPE_VBF
;
250 setsum_vbf
= rte_member_create(¶ms
);
252 if (setsum_ht
== NULL
|| setsum_cache
== NULL
|| setsum_vbf
== NULL
) {
253 printf("Creation of setsums fail\n");
256 printf("Creation of setsums success\n");
260 static int test_member_insert(void)
262 int ret_ht
, ret_cache
, ret_vbf
, i
;
264 for (i
= 0; i
< NUM_SAMPLES
; i
++) {
265 ret_ht
= rte_member_add(setsum_ht
, &keys
[i
], test_set
[i
]);
266 ret_cache
= rte_member_add(setsum_cache
, &keys
[i
],
268 ret_vbf
= rte_member_add(setsum_vbf
, &keys
[i
], test_set
[i
]);
269 TEST_ASSERT(ret_ht
>= 0 && ret_cache
>= 0 && ret_vbf
>= 0,
272 printf("insert key success\n");
276 static int test_member_lookup(void)
278 int ret_ht
, ret_cache
, ret_vbf
, i
;
279 uint16_t set_ht
, set_cache
, set_vbf
;
280 member_set_t set_ids_ht
[NUM_SAMPLES
] = {0};
281 member_set_t set_ids_cache
[NUM_SAMPLES
] = {0};
282 member_set_t set_ids_vbf
[NUM_SAMPLES
] = {0};
284 uint32_t num_key_ht
= NUM_SAMPLES
;
285 uint32_t num_key_cache
= NUM_SAMPLES
;
286 uint32_t num_key_vbf
= NUM_SAMPLES
;
288 const void *key_array
[NUM_SAMPLES
];
290 /* Single lookup test */
291 for (i
= 0; i
< NUM_SAMPLES
; i
++) {
292 ret_ht
= rte_member_lookup(setsum_ht
, &keys
[i
], &set_ht
);
293 ret_cache
= rte_member_lookup(setsum_cache
, &keys
[i
],
295 ret_vbf
= rte_member_lookup(setsum_vbf
, &keys
[i
], &set_vbf
);
296 TEST_ASSERT(ret_ht
>= 0 && ret_cache
>= 0 && ret_vbf
>= 0,
297 "single lookup function error");
299 TEST_ASSERT(set_ht
== test_set
[i
] &&
300 set_cache
== test_set
[i
] &&
301 set_vbf
== test_set
[i
],
302 "single lookup set value error");
304 printf("lookup single key success\n");
306 /* Bulk lookup test */
307 for (i
= 0; i
< NUM_SAMPLES
; i
++)
308 key_array
[i
] = &keys
[i
];
310 ret_ht
= rte_member_lookup_bulk(setsum_ht
, key_array
,
311 num_key_ht
, set_ids_ht
);
313 ret_cache
= rte_member_lookup_bulk(setsum_cache
, key_array
,
314 num_key_cache
, set_ids_cache
);
316 ret_vbf
= rte_member_lookup_bulk(setsum_vbf
, key_array
,
317 num_key_vbf
, set_ids_vbf
);
319 TEST_ASSERT(ret_ht
>= 0 && ret_cache
>= 0 && ret_vbf
>= 0,
320 "bulk lookup function error");
322 for (i
= 0; i
< NUM_SAMPLES
; i
++) {
323 TEST_ASSERT((set_ids_ht
[i
] == test_set
[i
]) &&
324 (set_ids_cache
[i
] == test_set
[i
]) &&
325 (set_ids_vbf
[i
] == test_set
[i
]),
326 "bulk lookup result error");
332 static int test_member_delete(void)
334 int ret_ht
, ret_cache
, ret_vbf
, i
;
335 uint16_t set_ht
, set_cache
, set_vbf
;
336 const void *key_array
[NUM_SAMPLES
];
337 member_set_t set_ids_ht
[NUM_SAMPLES
] = {0};
338 member_set_t set_ids_cache
[NUM_SAMPLES
] = {0};
339 member_set_t set_ids_vbf
[NUM_SAMPLES
] = {0};
340 uint32_t num_key_ht
= NUM_SAMPLES
;
341 uint32_t num_key_cache
= NUM_SAMPLES
;
342 uint32_t num_key_vbf
= NUM_SAMPLES
;
344 /* Delete part of all inserted keys */
345 for (i
= 0; i
< NUM_SAMPLES
/ 2; i
++) {
346 ret_ht
= rte_member_delete(setsum_ht
, &keys
[i
], test_set
[i
]);
347 ret_cache
= rte_member_delete(setsum_cache
, &keys
[i
],
349 ret_vbf
= rte_member_delete(setsum_vbf
, &keys
[i
], test_set
[i
]);
350 /* VBF does not support delete yet, so return error code */
351 TEST_ASSERT(ret_ht
>= 0 && ret_cache
>= 0,
352 "key deletion function error");
353 TEST_ASSERT(ret_vbf
< 0,
354 "vbf does not support deletion, error");
357 for (i
= 0; i
< NUM_SAMPLES
; i
++)
358 key_array
[i
] = &keys
[i
];
360 ret_ht
= rte_member_lookup_bulk(setsum_ht
, key_array
,
361 num_key_ht
, set_ids_ht
);
363 ret_cache
= rte_member_lookup_bulk(setsum_cache
, key_array
,
364 num_key_cache
, set_ids_cache
);
366 ret_vbf
= rte_member_lookup_bulk(setsum_vbf
, key_array
,
367 num_key_vbf
, set_ids_vbf
);
369 TEST_ASSERT(ret_ht
>= 0 && ret_cache
>= 0 && ret_vbf
>= 0,
370 "bulk lookup function error");
372 for (i
= 0; i
< NUM_SAMPLES
/ 2; i
++) {
373 TEST_ASSERT((set_ids_ht
[i
] == RTE_MEMBER_NO_MATCH
) &&
374 (set_ids_cache
[i
] == RTE_MEMBER_NO_MATCH
),
375 "bulk lookup result error");
378 for (i
= NUM_SAMPLES
/ 2; i
< NUM_SAMPLES
; i
++) {
379 TEST_ASSERT((set_ids_ht
[i
] == test_set
[i
]) &&
380 (set_ids_cache
[i
] == test_set
[i
]) &&
381 (set_ids_vbf
[i
] == test_set
[i
]),
382 "bulk lookup result error");
385 /* Delete the left of inserted keys */
386 for (i
= NUM_SAMPLES
/ 2; i
< NUM_SAMPLES
; i
++) {
387 ret_ht
= rte_member_delete(setsum_ht
, &keys
[i
], test_set
[i
]);
388 ret_cache
= rte_member_delete(setsum_cache
, &keys
[i
],
390 ret_vbf
= rte_member_delete(setsum_vbf
, &keys
[i
], test_set
[i
]);
391 /* VBF does not support delete yet, so return error code */
392 TEST_ASSERT(ret_ht
>= 0 && ret_cache
>= 0,
393 "key deletion function error");
394 TEST_ASSERT(ret_vbf
< 0,
395 "vbf does not support deletion, error");
398 for (i
= 0; i
< NUM_SAMPLES
; i
++) {
399 ret_ht
= rte_member_lookup(setsum_ht
, &keys
[i
], &set_ht
);
400 ret_cache
= rte_member_lookup(setsum_cache
, &keys
[i
],
402 ret_vbf
= rte_member_lookup(setsum_vbf
, &keys
[i
], &set_vbf
);
403 TEST_ASSERT(ret_ht
>= 0 && ret_cache
>= 0,
404 "key lookup function error");
405 TEST_ASSERT(set_ht
== RTE_MEMBER_NO_MATCH
&&
406 ret_cache
== RTE_MEMBER_NO_MATCH
,
407 "key deletion failed");
409 /* Reset vbf for other following tests */
410 rte_member_reset(setsum_vbf
);
412 printf("delete success\n");
416 static int test_member_multimatch(void)
418 int ret_ht
, ret_vbf
, ret_cache
;
419 member_set_t set_ids_ht
[MAX_MATCH
] = {0};
420 member_set_t set_ids_vbf
[MAX_MATCH
] = {0};
421 member_set_t set_ids_cache
[MAX_MATCH
] = {0};
423 member_set_t set_ids_ht_m
[NUM_SAMPLES
][MAX_MATCH
] = {{0} };
424 member_set_t set_ids_vbf_m
[NUM_SAMPLES
][MAX_MATCH
] = {{0} };
425 member_set_t set_ids_cache_m
[NUM_SAMPLES
][MAX_MATCH
] = {{0} };
427 uint32_t match_count_ht
[NUM_SAMPLES
];
428 uint32_t match_count_vbf
[NUM_SAMPLES
];
429 uint32_t match_count_cache
[NUM_SAMPLES
];
431 uint32_t num_key_ht
= NUM_SAMPLES
;
432 uint32_t num_key_vbf
= NUM_SAMPLES
;
433 uint32_t num_key_cache
= NUM_SAMPLES
;
435 const void *key_array
[NUM_SAMPLES
];
439 /* Same key at most inserted 2*entry_per_bucket times for HT mode */
440 for (i
= M_MATCH_S
; i
<= M_MATCH_E
; i
+= M_MATCH_STEP
) {
441 for (j
= 0; j
< NUM_SAMPLES
; j
++) {
442 ret_ht
= rte_member_add(setsum_ht
, &keys
[j
], i
);
443 ret_vbf
= rte_member_add(setsum_vbf
, &keys
[j
], i
);
444 ret_cache
= rte_member_add(setsum_cache
, &keys
[j
], i
);
446 TEST_ASSERT(ret_ht
>= 0 && ret_vbf
>= 0 &&
448 "insert function error");
452 /* Single multimatch test */
453 for (i
= 0; i
< NUM_SAMPLES
; i
++) {
454 ret_vbf
= rte_member_lookup_multi(setsum_vbf
, &keys
[i
],
455 MAX_MATCH
, set_ids_vbf
);
456 ret_ht
= rte_member_lookup_multi(setsum_ht
, &keys
[i
],
457 MAX_MATCH
, set_ids_ht
);
458 ret_cache
= rte_member_lookup_multi(setsum_cache
, &keys
[i
],
459 MAX_MATCH
, set_ids_cache
);
461 * For cache mode, keys overwrite when signature same.
462 * the mutimatch should work like single match.
464 TEST_ASSERT(ret_ht
== M_MATCH_CNT
&& ret_vbf
== M_MATCH_CNT
&&
466 "single lookup_multi error");
467 TEST_ASSERT(set_ids_cache
[0] == M_MATCH_E
,
468 "single lookup_multi cache error");
470 for (j
= 1; j
<= M_MATCH_CNT
; j
++) {
471 TEST_ASSERT(set_ids_ht
[j
-1] == j
* M_MATCH_STEP
- 1 &&
473 j
* M_MATCH_STEP
- 1,
474 "single multimatch lookup error");
477 printf("lookup single key for multimatch success\n");
479 /* Bulk multimatch test */
480 for (i
= 0; i
< NUM_SAMPLES
; i
++)
481 key_array
[i
] = &keys
[i
];
482 ret_vbf
= rte_member_lookup_multi_bulk(setsum_vbf
,
483 &key_array
[0], num_key_ht
, MAX_MATCH
, match_count_vbf
,
484 (member_set_t
*)set_ids_vbf_m
);
486 ret_ht
= rte_member_lookup_multi_bulk(setsum_ht
,
487 &key_array
[0], num_key_vbf
, MAX_MATCH
, match_count_ht
,
488 (member_set_t
*)set_ids_ht_m
);
490 ret_cache
= rte_member_lookup_multi_bulk(setsum_cache
,
491 &key_array
[0], num_key_cache
, MAX_MATCH
,
492 match_count_cache
, (member_set_t
*)set_ids_cache_m
);
495 for (j
= 0; j
< NUM_SAMPLES
; j
++) {
496 TEST_ASSERT(match_count_ht
[j
] == M_MATCH_CNT
,
497 "bulk multimatch lookup HT match count error");
498 TEST_ASSERT(match_count_vbf
[j
] == M_MATCH_CNT
,
499 "bulk multimatch lookup vBF match count error");
500 TEST_ASSERT(match_count_cache
[j
] == 1,
501 "bulk multimatch lookup CACHE match count error");
502 TEST_ASSERT(set_ids_cache_m
[j
][0] == M_MATCH_E
,
503 "bulk multimatch lookup CACHE set value error");
505 for (i
= 1; i
<= M_MATCH_CNT
; i
++) {
506 TEST_ASSERT(set_ids_ht_m
[j
][i
-1] ==
507 i
* M_MATCH_STEP
- 1,
508 "bulk multimatch lookup HT set value error");
509 TEST_ASSERT(set_ids_vbf_m
[j
][i
-1] ==
510 i
* M_MATCH_STEP
- 1,
511 "bulk multimatch lookup vBF set value error");
515 printf("lookup for bulk multimatch success\n");
520 static int key_compare(const void *key1
, const void *key2
)
522 return memcmp(key1
, key2
, KEY_SIZE
);
526 setup_keys_and_data(void)
531 /* Reset all arrays */
532 for (i
= 0; i
< KEY_SIZE
; i
++)
533 generated_keys
[0][i
] = 0;
535 /* Generate a list of keys, some of which may be duplicates */
536 for (i
= 0; i
< MAX_ENTRIES
; i
++) {
537 for (j
= 0; j
< KEY_SIZE
; j
++)
538 generated_keys
[i
][j
] = rte_rand() & 0xFF;
541 /* Remove duplicates from the keys array */
544 /* Sort the list of keys to make it easier to find duplicates */
545 qsort(generated_keys
, MAX_ENTRIES
, KEY_SIZE
, key_compare
);
547 /* Sift through the list of keys and look for duplicates */
548 int num_duplicates
= 0;
549 for (i
= 0; i
< MAX_ENTRIES
- 1; i
++) {
550 if (memcmp(generated_keys
[i
], generated_keys
[i
+ 1],
552 /* This key already exists, try again */
554 for (j
= 0; j
< KEY_SIZE
; j
++)
555 generated_keys
[i
][j
] =
559 } while (num_duplicates
!= 0);
563 add_generated_keys(struct rte_member_setsum
*setsum
, unsigned int *added_keys
)
567 for (*added_keys
= 0; ret
>= 0 && *added_keys
< MAX_ENTRIES
;
569 uint16_t set
= (rte_rand() & 0xf) + 1;
570 ret
= rte_member_add(setsum
, &generated_keys
[*added_keys
], set
);
576 add_generated_keys_cache(struct rte_member_setsum
*setsum
,
577 unsigned int *added_keys
)
581 for (*added_keys
= 0; ret
== 0 && *added_keys
< MAX_ENTRIES
;
583 uint16_t set
= (rte_rand() & 0xf) + 1;
584 ret
= rte_member_add(setsum
, &generated_keys
[*added_keys
], set
);
590 test_member_loadfactor(void)
593 unsigned int added_keys
, average_keys_added
= 0;
596 setup_keys_and_data();
598 rte_member_free(setsum_ht
);
599 rte_member_free(setsum_cache
);
600 rte_member_free(setsum_vbf
);
602 params
.key_len
= KEY_SIZE
;
603 params
.name
= "test_member_ht";
605 params
.type
= RTE_MEMBER_TYPE_HT
;
606 setsum_ht
= rte_member_create(¶ms
);
608 params
.name
= "test_member_cache";
610 setsum_cache
= rte_member_create(¶ms
);
613 if (setsum_ht
== NULL
|| setsum_cache
== NULL
) {
614 printf("Creation of setsums fail\n");
617 /* Test HT non-cache mode */
618 for (j
= 0; j
< ITERATIONS
; j
++) {
619 /* Add random entries until key cannot be added */
620 ret
= add_generated_keys(setsum_ht
, &added_keys
);
621 if (ret
!= -ENOSPC
) {
622 printf("Unexpected error when adding keys\n");
625 average_keys_added
+= added_keys
;
627 /* Reset the table */
628 rte_member_reset(setsum_ht
);
630 /* Print a dot to show progress on operations */
635 average_keys_added
/= ITERATIONS
;
637 printf("\nKeys inserted when no space(non-cache) = %.2f%% (%u/%u)\n",
638 ((double) average_keys_added
/ params
.num_keys
* 100),
639 average_keys_added
, params
.num_keys
);
641 /* Test cache mode */
642 added_keys
= average_keys_added
= 0;
643 for (j
= 0; j
< ITERATIONS
; j
++) {
644 /* Add random entries until key cannot be added */
645 ret
= add_generated_keys_cache(setsum_cache
, &added_keys
);
647 printf("Unexpected error when adding keys\n");
650 average_keys_added
+= added_keys
;
652 /* Reset the table */
653 rte_member_reset(setsum_cache
);
655 /* Print a dot to show progress on operations */
660 average_keys_added
/= ITERATIONS
;
662 printf("\nKeys inserted when eviction happens(cache)= %.2f%% (%u/%u)\n",
663 ((double) average_keys_added
/ params
.num_keys
* 100),
664 average_keys_added
, params
.num_keys
);
671 rte_member_free(setsum_ht
);
672 rte_member_free(setsum_cache
);
673 rte_member_free(setsum_vbf
);
679 if (test_member_create_bad_param() < 0)
682 if (test_member_find_existing() < 0)
685 if (test_member_create() < 0) {
689 if (test_member_insert() < 0) {
693 if (test_member_lookup() < 0) {
697 if (test_member_delete() < 0) {
701 if (test_member_multimatch() < 0) {
705 if (test_member_loadfactor() < 0) {
706 rte_member_free(setsum_ht
);
707 rte_member_free(setsum_cache
);
715 REGISTER_TEST_COMMAND(member_autotest
, test_member
);