app/test/test_fbarray.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2014 Intel Corporation
   3  */
   4
   5 #include <stdbool.h>
   6 #include <stdio.h>
   7 #include <stdint.h>
   8 #include <limits.h>
   9
  10 #include <rte_common.h>
  11 #include <rte_debug.h>
  12 #include <rte_errno.h>
  13 #include <rte_fbarray.h>
  14
  15 #include "test.h"
  16
  17 struct fbarray_testsuite_params {
  18         struct rte_fbarray arr;
  19         int start;
  20         int end;
  21 };
  22
  23 static struct fbarray_testsuite_params param;
  24
  25 #define FBARRAY_TEST_ARR_NAME "fbarray_autotest"
  26 #define FBARRAY_TEST_LEN 256
  27 #define FBARRAY_TEST_ELT_SZ (sizeof(int))
  28
  29 static int autotest_setup(void)
  30 {
  31         return rte_fbarray_init(&param.arr, FBARRAY_TEST_ARR_NAME,
  32                         FBARRAY_TEST_LEN, FBARRAY_TEST_ELT_SZ);
  33 }
  34
  35 static void autotest_teardown(void)
  36 {
  37         rte_fbarray_destroy(&param.arr);
  38 }
  39
  40 static int init_array(void)
  41 {
  42         int i;
  43         for (i = param.start; i <= param.end; i++) {
  44                 if (rte_fbarray_set_used(&param.arr, i))
  45                         return -1;
  46         }
  47         return 0;
  48 }
  49
  50 static void reset_array(void)
  51 {
  52         int i;
  53         for (i = 0; i < FBARRAY_TEST_LEN; i++)
  54                 rte_fbarray_set_free(&param.arr, i);
  55 }
  56
  57 static int first_msk_test_setup(void)
  58 {
  59         /* put all within first mask */
  60         param.start = 3;
  61         param.end = 10;
  62         return init_array();
  63 }
  64
  65 static int cross_msk_test_setup(void)
  66 {
  67         /* put all within second and third mask */
  68         param.start = 70;
  69         param.end = 160;
  70         return init_array();
  71 }
  72
  73 static int multi_msk_test_setup(void)
  74 {
  75         /* put all within first and last mask */
  76         param.start = 3;
  77         param.end = FBARRAY_TEST_LEN - 20;
  78         return init_array();
  79 }
  80
  81 static int last_msk_test_setup(void)
  82 {
  83         /* put all within last mask */
  84         param.start = FBARRAY_TEST_LEN - 20;
  85         param.end = FBARRAY_TEST_LEN - 1;
  86         return init_array();
  87 }
  88
  89 static int full_msk_test_setup(void)
  90 {
  91         /* fill entire mask */
  92         param.start = 0;
  93         param.end = FBARRAY_TEST_LEN - 1;
  94         return init_array();
  95 }
  96
  97 static int empty_msk_test_setup(void)
  98 {
  99         /* do not fill anything in */
 100         reset_array();
 101         param.start = -1;
 102         param.end = -1;
 103         return 0;
 104 }
 105
 106 static int test_invalid(void)
 107 {
 108         struct rte_fbarray dummy;
 109
 110         /* invalid parameters */
 111         TEST_ASSERT_FAIL(rte_fbarray_attach(NULL),
 112                         "Call succeeded with invalid parameters\n");
 113         TEST_ASSERT_EQUAL(rte_errno, EINVAL, "Wrong errno value\n");
 114         TEST_ASSERT_FAIL(rte_fbarray_detach(NULL),
 115                         "Call succeeded with invalid parameters\n");
 116         TEST_ASSERT_EQUAL(rte_errno, EINVAL, "Wrong errno value\n");
 117
 118         TEST_ASSERT_FAIL(rte_fbarray_destroy(NULL),
 119                         "Call succeeded with invalid parameters\n");
 120         TEST_ASSERT_EQUAL(rte_errno, EINVAL, "Wrong errno valuey\n");
 121         TEST_ASSERT_FAIL(rte_fbarray_init(NULL, "fail", 16, 16),
 122                         "Call succeeded with invalid parameters\n");
 123         TEST_ASSERT_EQUAL(rte_errno, EINVAL, "Wrong errno value\n");
 124         TEST_ASSERT_FAIL(rte_fbarray_init(&dummy, NULL, 16, 16),
 125                         "Call succeeded with invalid parameters\n");
 126         TEST_ASSERT_EQUAL(rte_errno, EINVAL, "Wrong errno value\n");
 127         TEST_ASSERT_FAIL(rte_fbarray_init(&dummy, "fail", 0, 16),
 128                         "Call succeeded with invalid parameters\n");
 129         TEST_ASSERT_EQUAL(rte_errno, EINVAL, "Wrong errno value\n");
 130         TEST_ASSERT_FAIL(rte_fbarray_init(&dummy, "fail", 16, 0),
 131                         "Call succeeded with invalid parameters\n");
 132         TEST_ASSERT_EQUAL(rte_errno, EINVAL, "Wrong errno value\n");
 133         /* len must not be greater than INT_MAX */
 134         TEST_ASSERT_FAIL(rte_fbarray_init(&dummy, "fail", INT_MAX + 1U, 16),
 135                         "Call succeeded with invalid parameters\n");
 136         TEST_ASSERT_EQUAL(rte_errno, EINVAL, "Wrong errno value\n");
 137
 138         TEST_ASSERT_NULL(rte_fbarray_get(NULL, 0),
 139                         "Call succeeded with invalid parameters\n");
 140         TEST_ASSERT_EQUAL(rte_errno, EINVAL, "Wrong errno value\n");
 141         TEST_ASSERT(rte_fbarray_find_idx(NULL, 0) < 0,
 142                         "Call succeeded with invalid parameters\n");
 143         TEST_ASSERT_EQUAL(rte_errno, EINVAL, "Wrong errno value\n");
 144         TEST_ASSERT(rte_fbarray_set_free(NULL, 0),
 145                         "Call succeeded with invalid parameters\n");
 146         TEST_ASSERT_EQUAL(rte_errno, EINVAL, "Wrong errno value\n");
 147         TEST_ASSERT(rte_fbarray_set_used(NULL, 0),
 148                         "Call succeeded with invalid parameters\n");
 149         TEST_ASSERT_EQUAL(rte_errno, EINVAL, "Wrong errno value\n");
 150         TEST_ASSERT(rte_fbarray_find_contig_free(NULL, 0) < 0,
 151                         "Call succeeded with invalid parameters\n");
 152         TEST_ASSERT_EQUAL(rte_errno, EINVAL, "Wrong errno value\n");
 153         TEST_ASSERT(rte_fbarray_find_contig_used(NULL, 0) < 0,
 154                         "Call succeeded with invalid parameters\n");
 155         TEST_ASSERT_EQUAL(rte_errno, EINVAL, "Wrong errno value\n");
 156         TEST_ASSERT(rte_fbarray_find_rev_contig_free(NULL, 0) < 0,
 157                         "Call succeeded with invalid parameters\n");
 158         TEST_ASSERT_EQUAL(rte_errno, EINVAL, "Wrong errno value\n");
 159         TEST_ASSERT(rte_fbarray_find_rev_contig_used(NULL, 0) < 0,
 160                         "Call succeeded with invalid parameters\n");
 161         TEST_ASSERT_EQUAL(rte_errno, EINVAL, "Wrong errno value\n");
 162         TEST_ASSERT(rte_fbarray_find_next_free(NULL, 0) < 0,
 163                         "Call succeeded with invalid parameters\n");
 164         TEST_ASSERT_EQUAL(rte_errno, EINVAL, "Wrong errno value\n");
 165         TEST_ASSERT(rte_fbarray_find_next_used(NULL, 0) < 0,
 166                         "Call succeeded with invalid parameters\n");
 167         TEST_ASSERT_EQUAL(rte_errno, EINVAL, "Wrong errno value\n");
 168         TEST_ASSERT(rte_fbarray_find_prev_free(NULL, 0) < 0,
 169                         "Call succeeded with invalid parameters\n");
 170         TEST_ASSERT_EQUAL(rte_errno, EINVAL, "Wrong errno value\n");
 171         TEST_ASSERT(rte_fbarray_find_prev_used(NULL, 0) < 0,
 172                         "Call succeeded with invalid parameters\n");
 173         TEST_ASSERT_EQUAL(rte_errno, EINVAL, "Wrong errno value\n");
 174         TEST_ASSERT(rte_fbarray_find_next_n_free(NULL, 0, 0) < 0,
 175                         "Call succeeded with invalid parameters\n");
 176         TEST_ASSERT_EQUAL(rte_errno, EINVAL, "Wrong errno value\n");
 177         TEST_ASSERT(rte_fbarray_find_next_n_used(NULL, 0, 0) < 0,
 178                         "Call succeeded with invalid parameters\n");
 179         TEST_ASSERT_EQUAL(rte_errno, EINVAL, "Wrong errno value\n");
 180         TEST_ASSERT(rte_fbarray_find_prev_n_free(NULL, 0, 0) < 0,
 181                         "Call succeeded with invalid parameters\n");
 182         TEST_ASSERT_EQUAL(rte_errno, EINVAL, "Wrong errno value\n");
 183         TEST_ASSERT(rte_fbarray_find_prev_n_used(NULL, 0, 0) < 0,
 184                         "Call succeeded with invalid parameters\n");
 185         TEST_ASSERT_EQUAL(rte_errno, EINVAL, "Wrong errno value\n");
 186         TEST_ASSERT(rte_fbarray_is_used(NULL, 0) < 0,
 187                         "Call succeeded with invalid parameters\n");
 188         TEST_ASSERT_EQUAL(rte_errno, EINVAL, "Wrong errno value\n");
 189
 190         TEST_ASSERT_SUCCESS(rte_fbarray_init(&dummy, "success",
 191                         FBARRAY_TEST_LEN, 8),
 192                         "Failed to initialize valid fbarray\n");
 193
 194         /* test API for handling invalid parameters with a valid fbarray */
 195         TEST_ASSERT_NULL(rte_fbarray_get(&dummy, FBARRAY_TEST_LEN),
 196                         "Call succeeded with invalid parameters\n");
 197         TEST_ASSERT_EQUAL(rte_errno, EINVAL, "Wrong errno value\n");
 198
 199         TEST_ASSERT(rte_fbarray_find_idx(&dummy, NULL) < 0,
 200                         "Call succeeded with invalid parameters\n");
 201         TEST_ASSERT_EQUAL(rte_errno, EINVAL, "Wrong errno value\n");
 202
 203         TEST_ASSERT(rte_fbarray_set_free(&dummy, FBARRAY_TEST_LEN),
 204                         "Call succeeded with invalid parameters\n");
 205         TEST_ASSERT_EQUAL(rte_errno, EINVAL, "Wrong errno value\n");
 206
 207         TEST_ASSERT(rte_fbarray_set_used(&dummy, FBARRAY_TEST_LEN),
 208                         "Call succeeded with invalid parameters\n");
 209         TEST_ASSERT_EQUAL(rte_errno, EINVAL, "Wrong errno value\n");
 210
 211         TEST_ASSERT(rte_fbarray_find_contig_free(&dummy, FBARRAY_TEST_LEN) < 0,
 212                         "Call succeeded with invalid parameters\n");
 213         TEST_ASSERT_EQUAL(rte_errno, EINVAL, "Wrong errno value\n");
 214
 215         TEST_ASSERT(rte_fbarray_find_contig_used(&dummy, FBARRAY_TEST_LEN) < 0,
 216                         "Call succeeded with invalid parameters\n");
 217         TEST_ASSERT_EQUAL(rte_errno, EINVAL, "Wrong errno value\n");
 218
 219         TEST_ASSERT(rte_fbarray_find_rev_contig_free(&dummy,
 220                         FBARRAY_TEST_LEN) < 0,
 221                         "Call succeeded with invalid parameters\n");
 222         TEST_ASSERT_EQUAL(rte_errno, EINVAL, "Wrong errno value\n");
 223
 224         TEST_ASSERT(rte_fbarray_find_rev_contig_used(&dummy,
 225                         FBARRAY_TEST_LEN) < 0,
 226                         "Call succeeded with invalid parameters\n");
 227         TEST_ASSERT_EQUAL(rte_errno, EINVAL, "Wrong errno value\n");
 228
 229         TEST_ASSERT(rte_fbarray_find_next_free(&dummy, FBARRAY_TEST_LEN) < 0,
 230                         "Call succeeded with invalid parameters\n");
 231         TEST_ASSERT_EQUAL(rte_errno, EINVAL, "Wrong errno value\n");
 232
 233         TEST_ASSERT(rte_fbarray_find_next_used(&dummy, FBARRAY_TEST_LEN) < 0,
 234                         "Call succeeded with invalid parameters\n");
 235         TEST_ASSERT_EQUAL(rte_errno, EINVAL, "Wrong errno value\n");
 236
 237         TEST_ASSERT(rte_fbarray_find_prev_free(&dummy, FBARRAY_TEST_LEN) < 0,
 238                         "Call succeeded with invalid parameters\n");
 239         TEST_ASSERT_EQUAL(rte_errno, EINVAL, "Wrong errno value\n");
 240
 241         TEST_ASSERT(rte_fbarray_find_prev_used(&dummy, FBARRAY_TEST_LEN) < 0,
 242                         "Call succeeded with invalid parameters\n");
 243         TEST_ASSERT_EQUAL(rte_errno, EINVAL, "Wrong errno value\n");
 244
 245         TEST_ASSERT(rte_fbarray_find_next_n_free(&dummy,
 246                         FBARRAY_TEST_LEN, 1) < 0,
 247                         "Call succeeded with invalid parameters\n");
 248         TEST_ASSERT_EQUAL(rte_errno, EINVAL, "Wrong errno value\n");
 249         TEST_ASSERT(rte_fbarray_find_next_n_free(&dummy, 0,
 250                         FBARRAY_TEST_LEN + 1) < 0,
 251                         "Call succeeded with invalid parameters\n");
 252         TEST_ASSERT_EQUAL(rte_errno, EINVAL, "Wrong errno value\n");
 253         TEST_ASSERT(rte_fbarray_find_next_n_free(&dummy, 0, 0) < 0,
 254                         "Call succeeded with invalid parameters\n");
 255         TEST_ASSERT_EQUAL(rte_errno, EINVAL, "Wrong errno value\n");
 256
 257         TEST_ASSERT(rte_fbarray_find_next_n_used(&dummy,
 258                         FBARRAY_TEST_LEN, 1) < 0,
 259                         "Call succeeded with invalid parameters\n");
 260         TEST_ASSERT_EQUAL(rte_errno, EINVAL, "Wrong errno value\n");
 261         TEST_ASSERT(rte_fbarray_find_next_n_used(&dummy, 0,
 262                         FBARRAY_TEST_LEN + 1) < 0,
 263                         "Call succeeded with invalid parameters\n");
 264         TEST_ASSERT_EQUAL(rte_errno, EINVAL, "Wrong errno value\n");
 265         TEST_ASSERT(rte_fbarray_find_next_n_used(&dummy, 0, 0) < 0,
 266                         "Call succeeded with invalid parameters\n");
 267         TEST_ASSERT_EQUAL(rte_errno, EINVAL, "Wrong errno value\n");
 268
 269         TEST_ASSERT(rte_fbarray_find_prev_n_free(&dummy,
 270                         FBARRAY_TEST_LEN, 1) < 0,
 271                         "Call succeeded with invalid parameters\n");
 272         TEST_ASSERT_EQUAL(rte_errno, EINVAL, "Wrong errno value\n");
 273         TEST_ASSERT(rte_fbarray_find_prev_n_free(&dummy, 0,
 274                         FBARRAY_TEST_LEN + 1) < 0,
 275                         "Call succeeded with invalid parameters\n");
 276         TEST_ASSERT_EQUAL(rte_errno, EINVAL, "Wrong errno value\n");
 277         TEST_ASSERT(rte_fbarray_find_prev_n_free(&dummy, 0, 0) < 0,
 278                         "Call succeeded with invalid parameters\n");
 279         TEST_ASSERT_EQUAL(rte_errno, EINVAL, "Wrong errno value\n");
 280
 281         TEST_ASSERT(rte_fbarray_find_prev_n_used(&dummy,
 282                         FBARRAY_TEST_LEN, 1) < 0,
 283                         "Call succeeded with invalid parameters\n");
 284         TEST_ASSERT_EQUAL(rte_errno, EINVAL, "Wrong errno value\n");
 285         TEST_ASSERT(rte_fbarray_find_prev_n_used(&dummy, 0,
 286                         FBARRAY_TEST_LEN + 1) < 0,
 287                         "Call succeeded with invalid parameters\n");
 288         TEST_ASSERT_EQUAL(rte_errno, EINVAL, "Wrong errno value\n");
 289         TEST_ASSERT(rte_fbarray_find_prev_n_used(&dummy, 0, 0) < 0,
 290                         "Call succeeded with invalid parameters\n");
 291         TEST_ASSERT_EQUAL(rte_errno, EINVAL, "Wrong errno value\n");
 292
 293         TEST_ASSERT(rte_fbarray_is_used(&dummy, FBARRAY_TEST_LEN) < 0,
 294                         "Call succeeded with invalid parameters\n");
 295         TEST_ASSERT_EQUAL(rte_errno, EINVAL, "Wrong errno value\n");
 296
 297         TEST_ASSERT_SUCCESS(rte_fbarray_destroy(&dummy),
 298                         "Failed to destroy valid fbarray\n");
 299
 300         return TEST_SUCCESS;
 301 }
 302
 303 static int check_free(void)
 304 {
 305         const int idx = 0;
 306         const int last_idx = FBARRAY_TEST_LEN - 1;
 307
 308         /* ensure we can find a free spot */
 309         TEST_ASSERT_EQUAL(rte_fbarray_find_next_free(&param.arr, idx), idx,
 310                         "Free space not found where expected\n");
 311         TEST_ASSERT_EQUAL(rte_fbarray_find_next_n_free(&param.arr, idx, 1), idx,
 312                         "Free space not found where expected\n");
 313         TEST_ASSERT_EQUAL(rte_fbarray_find_contig_free(&param.arr, idx),
 314                         FBARRAY_TEST_LEN,
 315                         "Free space not found where expected\n");
 316
 317         TEST_ASSERT_EQUAL(rte_fbarray_find_prev_free(&param.arr, idx), idx,
 318                         "Free space not found where expected\n");
 319         TEST_ASSERT_EQUAL(rte_fbarray_find_prev_n_free(&param.arr, idx, 1), idx,
 320                         "Free space not found where expected\n");
 321         TEST_ASSERT_EQUAL(rte_fbarray_find_rev_contig_free(&param.arr, idx), 1,
 322                         "Free space not found where expected\n");
 323
 324         TEST_ASSERT_EQUAL(rte_fbarray_find_prev_free(&param.arr, last_idx),
 325                         last_idx, "Free space not found where expected\n");
 326         TEST_ASSERT_EQUAL(rte_fbarray_find_prev_n_free(&param.arr, last_idx, 1),
 327                         last_idx, "Free space not found where expected\n");
 328         TEST_ASSERT_EQUAL(rte_fbarray_find_rev_contig_free(&param.arr,
 329                         last_idx), FBARRAY_TEST_LEN,
 330                         "Free space not found where expected\n");
 331
 332         /* ensure we can't find any used spots */
 333         TEST_ASSERT(rte_fbarray_find_next_used(&param.arr, idx) < 0,
 334                         "Used space found where none was expected\n");
 335         TEST_ASSERT_EQUAL(rte_errno, ENOENT, "Wrong errno value\n");
 336         TEST_ASSERT(rte_fbarray_find_next_n_used(&param.arr, idx, 1) < 0,
 337                         "Used space found where none was expected\n");
 338         TEST_ASSERT_EQUAL(rte_errno, ENOENT, "Wrong errno value\n");
 339         TEST_ASSERT_EQUAL(rte_fbarray_find_contig_used(&param.arr, idx), 0,
 340                         "Used space found where none was expected\n");
 341
 342         TEST_ASSERT(rte_fbarray_find_prev_used(&param.arr, last_idx) < 0,
 343                         "Used space found where none was expected\n");
 344         TEST_ASSERT_EQUAL(rte_errno, ENOENT, "Wrong errno value\n");
 345         TEST_ASSERT(rte_fbarray_find_prev_n_used(&param.arr, last_idx, 1) < 0,
 346                         "Used space found where none was expected\n");
 347         TEST_ASSERT_EQUAL(rte_errno, ENOENT, "Wrong errno value\n");
 348         TEST_ASSERT_EQUAL(rte_fbarray_find_rev_contig_used(&param.arr,
 349                         last_idx), 0,
 350                         "Used space found where none was expected\n");
 351
 352         return 0;
 353 }
 354
 355 static int check_used_one(void)
 356 {
 357         const int idx = 0;
 358         const int last_idx = FBARRAY_TEST_LEN - 1;
 359
 360         /* check that we can find used spots now */
 361         TEST_ASSERT_EQUAL(rte_fbarray_find_next_used(&param.arr, idx), idx,
 362                         "Used space not found where expected\n");
 363         TEST_ASSERT_EQUAL(rte_fbarray_find_next_n_used(&param.arr, idx, 1), idx,
 364                         "Used space not found where expected\n");
 365         TEST_ASSERT_EQUAL(rte_fbarray_find_contig_used(&param.arr, idx), 1,
 366                         "Used space not found where expected\n");
 367
 368         TEST_ASSERT_EQUAL(rte_fbarray_find_prev_used(&param.arr, last_idx), idx,
 369                         "Used space not found where expected\n");
 370         TEST_ASSERT_EQUAL(rte_fbarray_find_prev_n_used(&param.arr, last_idx, 1),
 371                         idx, "Used space not found where expected\n");
 372         TEST_ASSERT_EQUAL(rte_fbarray_find_rev_contig_used(&param.arr, idx), 1,
 373                         "Used space not found where expected\n");
 374         TEST_ASSERT_EQUAL(rte_fbarray_find_rev_contig_used(&param.arr,
 375                         last_idx), idx,
 376                         "Used space not found where expected\n");
 377
 378         /* check if further indices are still free */
 379         TEST_ASSERT(rte_fbarray_find_next_used(&param.arr, idx + 1) < 0,
 380                         "Used space not found where none was expected\n");
 381         TEST_ASSERT_EQUAL(rte_errno, ENOENT, "Wrong errno value\n");
 382         TEST_ASSERT(rte_fbarray_find_next_n_used(&param.arr, idx + 1, 1) < 0,
 383                         "Used space not found where none was expected\n");
 384         TEST_ASSERT_EQUAL(rte_errno, ENOENT, "Wrong errno value\n");
 385         TEST_ASSERT_EQUAL(rte_fbarray_find_contig_used(&param.arr, idx + 1), 0,
 386                         "Used space not found where none was expected\n");
 387         TEST_ASSERT_EQUAL(rte_fbarray_find_contig_free(&param.arr, idx + 1),
 388                         FBARRAY_TEST_LEN - 1,
 389                         "Used space not found where none was expected\n");
 390
 391         TEST_ASSERT_EQUAL(rte_fbarray_find_prev_used(&param.arr, last_idx), 0,
 392                         "Used space not found where none was expected\n");
 393         TEST_ASSERT_EQUAL(rte_fbarray_find_prev_n_used(&param.arr, last_idx, 1),
 394                         0, "Used space not found where none was expected\n");
 395         TEST_ASSERT_EQUAL(rte_fbarray_find_rev_contig_used(&param.arr,
 396                         last_idx), 0,
 397                         "Used space not found where none was expected\n");
 398         TEST_ASSERT_EQUAL(rte_fbarray_find_rev_contig_free(&param.arr,
 399                         last_idx), FBARRAY_TEST_LEN - 1,
 400                         "Used space not found where none was expected\n");
 401
 402         return 0;
 403 }
 404
 405 static int test_basic(void)
 406 {
 407         const int idx = 0;
 408         int i;
 409
 410         /* check array count */
 411         TEST_ASSERT_EQUAL(param.arr.count, 0, "Wrong element count\n");
 412
 413         /* ensure we can find a free spot */
 414         if (check_free())
 415                 return TEST_FAILED;
 416
 417         /* check if used */
 418         TEST_ASSERT_EQUAL(rte_fbarray_is_used(&param.arr, idx), 0,
 419                         "Used space found where not expected\n");
 420
 421         /* mark as used */
 422         TEST_ASSERT_SUCCESS(rte_fbarray_set_used(&param.arr, idx),
 423                         "Failed to set as used\n");
 424
 425         /* check if used again */
 426         TEST_ASSERT_NOT_EQUAL(rte_fbarray_is_used(&param.arr, idx), 0,
 427                         "Used space not found where expected\n");
 428
 429         if (check_used_one())
 430                 return TEST_FAILED;
 431
 432         /* check array count */
 433         TEST_ASSERT_EQUAL(param.arr.count, 1, "Wrong element count\n");
 434
 435         /* check if getting pointers works for every element */
 436         for (i = 0; i < FBARRAY_TEST_LEN; i++) {
 437                 void *td = rte_fbarray_get(&param.arr, i);
 438                 TEST_ASSERT_NOT_NULL(td, "Invalid pointer returned\n");
 439                 TEST_ASSERT_EQUAL(rte_fbarray_find_idx(&param.arr, td), i,
 440                                 "Wrong index returned\n");
 441         }
 442
 443         /* mark as free */
 444         TEST_ASSERT_SUCCESS(rte_fbarray_set_free(&param.arr, idx),
 445                         "Failed to set as free\n");
 446
 447         /* check array count */
 448         TEST_ASSERT_EQUAL(param.arr.count, 0, "Wrong element count\n");
 449
 450         /* check if used */
 451         TEST_ASSERT_EQUAL(rte_fbarray_is_used(&param.arr, idx), 0,
 452                         "Used space found where not expected\n");
 453
 454         if (check_free())
 455                 return TEST_FAILED;
 456
 457         reset_array();
 458
 459         return TEST_SUCCESS;
 460 }
 461
 462 static int test_biggest(struct rte_fbarray *arr, int first, int last)
 463 {
 464         int lo_free_space_first, lo_free_space_last, lo_free_space_len;
 465         int hi_free_space_first, hi_free_space_last, hi_free_space_len;
 466         int max_free_space_first, max_free_space_last, max_free_space_len;
 467         int len = last - first + 1;
 468
 469         /* first and last must either be both -1, or both not -1 */
 470         TEST_ASSERT((first == -1) == (last == -1),
 471                         "Invalid arguments provided\n");
 472
 473         /* figure out what we expect from the low chunk of free space */
 474         if (first == -1) {
 475                 /* special case: if there are no occupied elements at all,
 476                  * consider both free spaces to consume the entire array.
 477                  */
 478                 lo_free_space_first = 0;
 479                 lo_free_space_last = arr->len - 1;
 480                 lo_free_space_len = arr->len;
 481                 /* if there's no used space, length should be invalid */
 482                 len = -1;
 483         } else if (first == 0) {
 484                 /* if occupied items start at 0, there's no free space */
 485                 lo_free_space_first = -1;
 486                 lo_free_space_last = -1;
 487                 lo_free_space_len = 0;
 488         } else {
 489                 lo_free_space_first = 0;
 490                 lo_free_space_last = first - 1;
 491                 lo_free_space_len = lo_free_space_last -
 492                                 lo_free_space_first + 1;
 493         }
 494
 495         /* figure out what we expect from the high chunk of free space */
 496         if (last == -1) {
 497                 /* special case: if there are no occupied elements at all,
 498                  * consider both free spaces to consume the entire array.
 499                  */
 500                 hi_free_space_first = 0;
 501                 hi_free_space_last = arr->len - 1;
 502                 hi_free_space_len = arr->len;
 503                 /* if there's no used space, length should be invalid */
 504                 len = -1;
 505         } else if (last == ((int)arr->len - 1)) {
 506                 /* if occupied items end at array len, there's no free space */
 507                 hi_free_space_first = -1;
 508                 hi_free_space_last = -1;
 509                 hi_free_space_len = 0;
 510         } else {
 511                 hi_free_space_first = last + 1;
 512                 hi_free_space_last = arr->len - 1;
 513                 hi_free_space_len = hi_free_space_last -
 514                                 hi_free_space_first + 1;
 515         }
 516
 517         /* find which one will be biggest */
 518         if (lo_free_space_len > hi_free_space_len) {
 519                 max_free_space_first = lo_free_space_first;
 520                 max_free_space_last = lo_free_space_last;
 521                 max_free_space_len = lo_free_space_len;
 522         } else {
 523                 /* if they are equal, we'll just use the high chunk */
 524                 max_free_space_first = hi_free_space_first;
 525                 max_free_space_last = hi_free_space_last;
 526                 max_free_space_len = hi_free_space_len;
 527         }
 528
 529         /* check used regions - these should produce identical results */
 530         TEST_ASSERT_EQUAL(rte_fbarray_find_biggest_used(arr, 0), first,
 531                         "Used space index is wrong\n");
 532         TEST_ASSERT_EQUAL(rte_fbarray_find_rev_biggest_used(arr, arr->len - 1),
 533                         first,
 534                         "Used space index is wrong\n");
 535         /* len may be -1, but function will return error anyway */
 536         TEST_ASSERT_EQUAL(rte_fbarray_find_contig_used(arr, first), len,
 537                         "Used space length is wrong\n");
 538
 539         /* check if biggest free region is the one we expect to find. It can be
 540          * -1 if there's no free space - we've made sure we use one or the
 541          * other, even if both are invalid.
 542          */
 543         TEST_ASSERT_EQUAL(rte_fbarray_find_biggest_free(arr, 0),
 544                         max_free_space_first,
 545                         "Biggest free space index is wrong\n");
 546         TEST_ASSERT_EQUAL(rte_fbarray_find_rev_biggest_free(arr, arr->len - 1),
 547                         max_free_space_first,
 548                         "Biggest free space index is wrong\n");
 549
 550         /* if biggest region exists, check its length */
 551         if (max_free_space_first != -1) {
 552                 TEST_ASSERT_EQUAL(rte_fbarray_find_contig_free(arr,
 553                                         max_free_space_first),
 554                                 max_free_space_len,
 555                                 "Biggest free space length is wrong\n");
 556                 TEST_ASSERT_EQUAL(rte_fbarray_find_rev_contig_free(arr,
 557                                         max_free_space_last),
 558                                 max_free_space_len,
 559                                 "Biggest free space length is wrong\n");
 560         }
 561
 562         /* find if we see what we expect to see in the low region. if there is
 563          * no free space, the function should still match expected value, as
 564          * we've set it to -1. we're scanning backwards to avoid accidentally
 565          * hitting the high free space region. if there is no occupied space,
 566          * there's nothing to do.
 567          */
 568         if (last != -1) {
 569                 TEST_ASSERT_EQUAL(rte_fbarray_find_rev_biggest_free(arr, last),
 570                                 lo_free_space_first,
 571                                 "Low free space index is wrong\n");
 572         }
 573
 574         if (lo_free_space_first != -1) {
 575                 /* if low free region exists, check its length */
 576                 TEST_ASSERT_EQUAL(rte_fbarray_find_contig_free(arr,
 577                                         lo_free_space_first),
 578                                 lo_free_space_len,
 579                                 "Low free space length is wrong\n");
 580                 TEST_ASSERT_EQUAL(rte_fbarray_find_rev_contig_free(arr,
 581                                         lo_free_space_last),
 582                                 lo_free_space_len,
 583                                 "Low free space length is wrong\n");
 584         }
 585
 586         /* find if we see what we expect to see in the high region. if there is
 587          * no free space, the function should still match expected value, as
 588          * we've set it to -1. we're scanning forwards to avoid accidentally
 589          * hitting the low free space region. if there is no occupied space,
 590          * there's nothing to do.
 591          */
 592         if (first != -1) {
 593                 TEST_ASSERT_EQUAL(rte_fbarray_find_biggest_free(arr, first),
 594                                 hi_free_space_first,
 595                                 "High free space index is wrong\n");
 596         }
 597
 598         /* if high free region exists, check its length */
 599         if (hi_free_space_first != -1) {
 600                 TEST_ASSERT_EQUAL(rte_fbarray_find_contig_free(arr,
 601                                         hi_free_space_first),
 602                                 hi_free_space_len,
 603                                 "High free space length is wrong\n");
 604                 TEST_ASSERT_EQUAL(rte_fbarray_find_rev_contig_free(arr,
 605                                         hi_free_space_last),
 606                                 hi_free_space_len,
 607                                 "High free space length is wrong\n");
 608         }
 609
 610         return 0;
 611 }
 612
 613 static int ensure_correct(struct rte_fbarray *arr, int first, int last,
 614                 bool used)
 615 {
 616         int i, len = last - first + 1;
 617         for (i = 0; i < len; i++) {
 618                 int cur = first + i;
 619                 int cur_len = len - i;
 620
 621                 if (used) {
 622                         TEST_ASSERT_EQUAL(rte_fbarray_find_contig_used(arr,
 623                                         cur), cur_len,
 624                                         "Used space length is wrong\n");
 625                         TEST_ASSERT_EQUAL(rte_fbarray_find_rev_contig_used(arr,
 626                                         last), len,
 627                                         "Used space length is wrong\n");
 628                         TEST_ASSERT_EQUAL(rte_fbarray_find_rev_contig_used(arr,
 629                                         cur), i + 1,
 630                                         "Used space length is wrong\n");
 631
 632                         TEST_ASSERT_EQUAL(rte_fbarray_find_next_used(arr, cur),
 633                                         cur,
 634                                         "Used space not found where expected\n");
 635                         TEST_ASSERT_EQUAL(rte_fbarray_find_next_n_used(arr,
 636                                         cur, 1), cur,
 637                                         "Used space not found where expected\n");
 638                         TEST_ASSERT_EQUAL(rte_fbarray_find_next_n_used(arr, cur,
 639                                         cur_len), cur,
 640                                         "Used space not found where expected\n");
 641
 642                         TEST_ASSERT_EQUAL(rte_fbarray_find_prev_used(arr, cur),
 643                                         cur,
 644                                         "Used space not found where expected\n");
 645                         TEST_ASSERT_EQUAL(rte_fbarray_find_prev_n_used(arr,
 646                                         last, cur_len), cur,
 647                                         "Used space not found where expected\n");
 648                 } else {
 649                         TEST_ASSERT_EQUAL(rte_fbarray_find_contig_free(arr,
 650                                         cur), cur_len,
 651                                         "Free space length is wrong\n");
 652                         TEST_ASSERT_EQUAL(rte_fbarray_find_rev_contig_free(arr,
 653                                         last), len,
 654                                         "Free space length is wrong\n");
 655                         TEST_ASSERT_EQUAL(rte_fbarray_find_rev_contig_free(arr,
 656                                         cur), i + 1,
 657                                         "Free space length is wrong\n");
 658
 659                         TEST_ASSERT_EQUAL(rte_fbarray_find_next_free(arr, cur),
 660                                         cur,
 661                                         "Free space not found where expected\n");
 662                         TEST_ASSERT_EQUAL(rte_fbarray_find_next_n_free(arr, cur,
 663                                         1), cur,
 664                                         "Free space not found where expected\n");
 665                         TEST_ASSERT_EQUAL(rte_fbarray_find_next_n_free(arr, cur,
 666                                         cur_len), cur,
 667                                         "Free space not found where expected\n");
 668
 669                         TEST_ASSERT_EQUAL(rte_fbarray_find_prev_free(arr, cur),
 670                                         cur,
 671                                         "Free space not found where expected\n");
 672                         TEST_ASSERT_EQUAL(rte_fbarray_find_prev_n_free(arr,
 673                                         last, cur_len), cur,
 674                                         "Free space not found where expected\n");
 675                 }
 676         }
 677         return 0;
 678 }
 679
 680 static int test_find(void)
 681 {
 682         TEST_ASSERT_EQUAL((int)param.arr.count, param.end - param.start + 1,
 683                         "Wrong element count\n");
 684         /* ensure space is free before start */
 685         if (ensure_correct(&param.arr, 0, param.start - 1, false))
 686                 return TEST_FAILED;
 687         /* ensure space is occupied where it's supposed to be */
 688         if (ensure_correct(&param.arr, param.start, param.end, true))
 689                 return TEST_FAILED;
 690         /* ensure space after end is free as well */
 691         if (ensure_correct(&param.arr, param.end + 1, FBARRAY_TEST_LEN - 1,
 692                         false))
 693                 return TEST_FAILED;
 694         /* test if find_biggest API's work correctly */
 695         if (test_biggest(&param.arr, param.start, param.end))
 696                 return TEST_FAILED;
 697         return TEST_SUCCESS;
 698 }
 699
 700 static int test_empty(void)
 701 {
 702         TEST_ASSERT_EQUAL((int)param.arr.count, 0, "Wrong element count\n");
 703         /* ensure space is free */
 704         if (ensure_correct(&param.arr, 0, FBARRAY_TEST_LEN - 1, false))
 705                 return TEST_FAILED;
 706         /* test if find_biggest API's work correctly */
 707         if (test_biggest(&param.arr, param.start, param.end))
 708                 return TEST_FAILED;
 709         return TEST_SUCCESS;
 710 }
 711
 712
 713 static struct unit_test_suite fbarray_test_suite = {
 714         .suite_name = "fbarray autotest",
 715         .setup = autotest_setup,
 716         .teardown = autotest_teardown,
 717         .unit_test_cases = {
 718                 TEST_CASE(test_invalid),
 719                 TEST_CASE(test_basic),
 720                 TEST_CASE_ST(first_msk_test_setup, reset_array, test_find),
 721                 TEST_CASE_ST(cross_msk_test_setup, reset_array, test_find),
 722                 TEST_CASE_ST(multi_msk_test_setup, reset_array, test_find),
 723                 TEST_CASE_ST(last_msk_test_setup, reset_array, test_find),
 724                 TEST_CASE_ST(full_msk_test_setup, reset_array, test_find),
 725                 TEST_CASE_ST(empty_msk_test_setup, reset_array, test_empty),
 726                 TEST_CASES_END()
 727         }
 728 };
 729
 730 static int
 731 test_fbarray(void)
 732 {
 733         return unit_test_suite_runner(&fbarray_test_suite);
 734 }
 735
 736 REGISTER_TEST_COMMAND(fbarray_autotest, test_fbarray);