app/test/test_fbarray.c

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