lib/talloc/testsuite.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    local testing of talloc routines.
   5
   6    Copyright (C) Andrew Tridgell 2004
   7
   8      ** NOTE! The following LGPL license applies to the talloc
   9      ** library. This does NOT imply that all of Samba is released
  10      ** under the LGPL
  11
  12    This library is free software; you can redistribute it and/or
  13    modify it under the terms of the GNU Lesser General Public
  14    License as published by the Free Software Foundation; either
  15    version 3 of the License, or (at your option) any later version.
  16
  17    This library is distributed in the hope that it will be useful,
  18    but WITHOUT ANY WARRANTY; without even the implied warranty of
  19    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  20    Lesser General Public License for more details.
  21
  22    You should have received a copy of the GNU Lesser General Public
  23    License along with this library; if not, see <http://www.gnu.org/licenses/>.
  24 */
  25
  26 #include "replace.h"
  27 #include "system/time.h"
  28 #include <talloc.h>
  29
  30 static struct timeval timeval_current(void)
  31 {
  32         struct timeval tv;
  33         gettimeofday(&tv, NULL);
  34         return tv;
  35 }
  36
  37 static double timeval_elapsed(struct timeval *tv)
  38 {
  39         struct timeval tv2 = timeval_current();
  40         return (tv2.tv_sec - tv->tv_sec) +
  41                (tv2.tv_usec - tv->tv_usec)*1.0e-6;
  42 }
  43
  44 #define torture_assert(test, expr, str) if (!(expr)) { \
  45         printf("failure: %s [\n%s: Expression %s failed: %s\n]\n", \
  46                 test, __location__, #expr, str); \
  47         return false; \
  48 }
  49
  50 #define torture_assert_str_equal(test, arg1, arg2, desc) \
  51         if (arg1 == NULL && arg2 == NULL) {                             \
  52         } else if (strcmp(arg1, arg2)) {                        \
  53                 printf("failure: %s [\n%s: Expected %s, got %s: %s\n]\n", \
  54                    test, __location__, arg1, arg2, desc); \
  55                 return false; \
  56         }
  57
  58 #if _SAMBA_BUILD_==3
  59 #ifdef malloc
  60 #undef malloc
  61 #endif
  62 #ifdef strdup
  63 #undef strdup
  64 #endif
  65 #endif
  66
  67 #define CHECK_SIZE(test, ptr, tsize) do { \
  68         if (talloc_total_size(ptr) != (tsize)) { \
  69                 printf("failed: %s [\n%s: wrong '%s' tree size: got %u  expected %u\n]\n", \
  70                        test, __location__, #ptr, \
  71                        (unsigned)talloc_total_size(ptr), \
  72                        (unsigned)tsize); \
  73                 talloc_report_full(ptr, stdout); \
  74                 return false; \
  75         } \
  76 } while (0)
  77
  78 #define CHECK_BLOCKS(test, ptr, tblocks) do { \
  79         if (talloc_total_blocks(ptr) != (tblocks)) { \
  80                 printf("failed: %s [\n%s: wrong '%s' tree blocks: got %u  expected %u\n]\n", \
  81                        test, __location__, #ptr, \
  82                        (unsigned)talloc_total_blocks(ptr), \
  83                        (unsigned)tblocks); \
  84                 talloc_report_full(ptr, stdout); \
  85                 return false; \
  86         } \
  87 } while (0)
  88
  89 #define CHECK_PARENT(test, ptr, parent) do { \
  90         if (talloc_parent(ptr) != (parent)) { \
  91                 printf("failed: %s [\n%s: '%s' has wrong parent: got %p  expected %p\n]\n", \
  92                        test, __location__, #ptr, \
  93                        talloc_parent(ptr), \
  94                        (parent)); \
  95                 talloc_report_full(ptr, stdout); \
  96                 talloc_report_full(parent, stdout); \
  97                 talloc_report_full(NULL, stdout); \
  98                 return false; \
  99         } \
 100 } while (0)
 101
 102 static unsigned int test_abort_count;
 103
 104 static void test_abort_fn(const char *reason)
 105 {
 106         printf("# test_abort_fn(%s)\n", reason);
 107         test_abort_count++;
 108 }
 109
 110 static void test_abort_start(void)
 111 {
 112         test_abort_count = 0;
 113         talloc_set_abort_fn(test_abort_fn);
 114 }
 115
 116 static void test_abort_stop(void)
 117 {
 118         test_abort_count = 0;
 119         talloc_set_abort_fn(NULL);
 120 }
 121
 122 static void test_log_stdout(const char *message)
 123 {
 124         fprintf(stdout, "%s", message);
 125 }
 126
 127 /*
 128   test references
 129 */
 130 static bool test_ref1(void)
 131 {
 132         void *root, *p1, *p2, *ref, *r1;
 133
 134         printf("test: ref1\n# SINGLE REFERENCE FREE\n");
 135
 136         root = talloc_named_const(NULL, 0, "root");
 137         p1 = talloc_named_const(root, 1, "p1");
 138         p2 = talloc_named_const(p1, 1, "p2");
 139         talloc_named_const(p1, 1, "x1");
 140         talloc_named_const(p1, 2, "x2");
 141         talloc_named_const(p1, 3, "x3");
 142
 143         r1 = talloc_named_const(root, 1, "r1");
 144         ref = talloc_reference(r1, p2);
 145         talloc_report_full(root, stderr);
 146
 147         CHECK_BLOCKS("ref1", p1, 5);
 148         CHECK_BLOCKS("ref1", p2, 1);
 149         CHECK_BLOCKS("ref1", r1, 2);
 150
 151         fprintf(stderr, "Freeing p2\n");
 152         talloc_unlink(r1, p2);
 153         talloc_report_full(root, stderr);
 154
 155         CHECK_BLOCKS("ref1", p1, 5);
 156         CHECK_BLOCKS("ref1", p2, 1);
 157         CHECK_BLOCKS("ref1", r1, 1);
 158
 159         fprintf(stderr, "Freeing p1\n");
 160         talloc_free(p1);
 161         talloc_report_full(root, stderr);
 162
 163         CHECK_BLOCKS("ref1", r1, 1);
 164
 165         fprintf(stderr, "Freeing r1\n");
 166         talloc_free(r1);
 167         talloc_report_full(NULL, stderr);
 168
 169         fprintf(stderr, "Testing NULL\n");
 170         if (talloc_reference(root, NULL)) {
 171                 return false;
 172         }
 173
 174         CHECK_BLOCKS("ref1", root, 1);
 175
 176         CHECK_SIZE("ref1", root, 0);
 177
 178         talloc_free(root);
 179         printf("success: ref1\n");
 180         return true;
 181 }
 182
 183 /*
 184   test references
 185 */
 186 static bool test_ref2(void)
 187 {
 188         void *root, *p1, *p2, *ref, *r1;
 189
 190         printf("test: ref2\n# DOUBLE REFERENCE FREE\n");
 191         root = talloc_named_const(NULL, 0, "root");
 192         p1 = talloc_named_const(root, 1, "p1");
 193         talloc_named_const(p1, 1, "x1");
 194         talloc_named_const(p1, 1, "x2");
 195         talloc_named_const(p1, 1, "x3");
 196         p2 = talloc_named_const(p1, 1, "p2");
 197
 198         r1 = talloc_named_const(root, 1, "r1");
 199         ref = talloc_reference(r1, p2);
 200         talloc_report_full(root, stderr);
 201
 202         CHECK_BLOCKS("ref2", p1, 5);
 203         CHECK_BLOCKS("ref2", p2, 1);
 204         CHECK_BLOCKS("ref2", r1, 2);
 205
 206         fprintf(stderr, "Freeing ref\n");
 207         talloc_unlink(r1, ref);
 208         talloc_report_full(root, stderr);
 209
 210         CHECK_BLOCKS("ref2", p1, 5);
 211         CHECK_BLOCKS("ref2", p2, 1);
 212         CHECK_BLOCKS("ref2", r1, 1);
 213
 214         fprintf(stderr, "Freeing p2\n");
 215         talloc_free(p2);
 216         talloc_report_full(root, stderr);
 217
 218         CHECK_BLOCKS("ref2", p1, 4);
 219         CHECK_BLOCKS("ref2", r1, 1);
 220
 221         fprintf(stderr, "Freeing p1\n");
 222         talloc_free(p1);
 223         talloc_report_full(root, stderr);
 224
 225         CHECK_BLOCKS("ref2", r1, 1);
 226
 227         fprintf(stderr, "Freeing r1\n");
 228         talloc_free(r1);
 229         talloc_report_full(root, stderr);
 230
 231         CHECK_SIZE("ref2", root, 0);
 232
 233         talloc_free(root);
 234         printf("success: ref2\n");
 235         return true;
 236 }
 237
 238 /*
 239   test references
 240 */
 241 static bool test_ref3(void)
 242 {
 243         void *root, *p1, *p2, *ref, *r1;
 244
 245         printf("test: ref3\n# PARENT REFERENCE FREE\n");
 246
 247         root = talloc_named_const(NULL, 0, "root");
 248         p1 = talloc_named_const(root, 1, "p1");
 249         p2 = talloc_named_const(root, 1, "p2");
 250         r1 = talloc_named_const(p1, 1, "r1");
 251         ref = talloc_reference(p2, r1);
 252         talloc_report_full(root, stderr);
 253
 254         CHECK_BLOCKS("ref3", p1, 2);
 255         CHECK_BLOCKS("ref3", p2, 2);
 256         CHECK_BLOCKS("ref3", r1, 1);
 257
 258         fprintf(stderr, "Freeing p1\n");
 259         talloc_free(p1);
 260         talloc_report_full(root, stderr);
 261
 262         CHECK_BLOCKS("ref3", p2, 2);
 263         CHECK_BLOCKS("ref3", r1, 1);
 264
 265         fprintf(stderr, "Freeing p2\n");
 266         talloc_free(p2);
 267         talloc_report_full(root, stderr);
 268
 269         CHECK_SIZE("ref3", root, 0);
 270
 271         talloc_free(root);
 272
 273         printf("success: ref3\n");
 274         return true;
 275 }
 276
 277 /*
 278   test references
 279 */
 280 static bool test_ref4(void)
 281 {
 282         void *root, *p1, *p2, *ref, *r1;
 283
 284         printf("test: ref4\n# REFERRER REFERENCE FREE\n");
 285
 286         root = talloc_named_const(NULL, 0, "root");
 287         p1 = talloc_named_const(root, 1, "p1");
 288         talloc_named_const(p1, 1, "x1");
 289         talloc_named_const(p1, 1, "x2");
 290         talloc_named_const(p1, 1, "x3");
 291         p2 = talloc_named_const(p1, 1, "p2");
 292
 293         r1 = talloc_named_const(root, 1, "r1");
 294         ref = talloc_reference(r1, p2);
 295         talloc_report_full(root, stderr);
 296
 297         CHECK_BLOCKS("ref4", p1, 5);
 298         CHECK_BLOCKS("ref4", p2, 1);
 299         CHECK_BLOCKS("ref4", r1, 2);
 300
 301         fprintf(stderr, "Freeing r1\n");
 302         talloc_free(r1);
 303         talloc_report_full(root, stderr);
 304
 305         CHECK_BLOCKS("ref4", p1, 5);
 306         CHECK_BLOCKS("ref4", p2, 1);
 307
 308         fprintf(stderr, "Freeing p2\n");
 309         talloc_free(p2);
 310         talloc_report_full(root, stderr);
 311
 312         CHECK_BLOCKS("ref4", p1, 4);
 313
 314         fprintf(stderr, "Freeing p1\n");
 315         talloc_free(p1);
 316         talloc_report_full(root, stderr);
 317
 318         CHECK_SIZE("ref4", root, 0);
 319
 320         talloc_free(root);
 321
 322         printf("success: ref4\n");
 323         return true;
 324 }
 325
 326
 327 /*
 328   test references
 329 */
 330 static bool test_unlink1(void)
 331 {
 332         void *root, *p1, *p2, *ref, *r1;
 333
 334         printf("test: unlink\n# UNLINK\n");
 335
 336         root = talloc_named_const(NULL, 0, "root");
 337         p1 = talloc_named_const(root, 1, "p1");
 338         talloc_named_const(p1, 1, "x1");
 339         talloc_named_const(p1, 1, "x2");
 340         talloc_named_const(p1, 1, "x3");
 341         p2 = talloc_named_const(p1, 1, "p2");
 342
 343         r1 = talloc_named_const(p1, 1, "r1");
 344         ref = talloc_reference(r1, p2);
 345         talloc_report_full(root, stderr);
 346
 347         CHECK_BLOCKS("unlink", p1, 7);
 348         CHECK_BLOCKS("unlink", p2, 1);
 349         CHECK_BLOCKS("unlink", r1, 2);
 350
 351         fprintf(stderr, "Unreferencing r1\n");
 352         talloc_unlink(r1, p2);
 353         talloc_report_full(root, stderr);
 354
 355         CHECK_BLOCKS("unlink", p1, 6);
 356         CHECK_BLOCKS("unlink", p2, 1);
 357         CHECK_BLOCKS("unlink", r1, 1);
 358
 359         fprintf(stderr, "Freeing p1\n");
 360         talloc_free(p1);
 361         talloc_report_full(root, stderr);
 362
 363         CHECK_SIZE("unlink", root, 0);
 364
 365         talloc_free(root);
 366
 367         printf("success: unlink\n");
 368         return true;
 369 }
 370
 371 static int fail_destructor(void *ptr)
 372 {
 373         return -1;
 374 }
 375
 376 /*
 377   miscellaneous tests to try to get a higher test coverage percentage
 378 */
 379 static bool test_misc(void)
 380 {
 381         void *root, *p1;
 382         char *p2;
 383         double *d;
 384         const char *name;
 385
 386         printf("test: misc\n# MISCELLANEOUS\n");
 387
 388         root = talloc_new(NULL);
 389
 390         p1 = talloc_size(root, 0x7fffffff);
 391         torture_assert("misc", !p1, "failed: large talloc allowed\n");
 392
 393         p1 = talloc_strdup(root, "foo");
 394         talloc_increase_ref_count(p1);
 395         talloc_increase_ref_count(p1);
 396         talloc_increase_ref_count(p1);
 397         CHECK_BLOCKS("misc", p1, 1);
 398         CHECK_BLOCKS("misc", root, 2);
 399         talloc_unlink(NULL, p1);
 400         CHECK_BLOCKS("misc", p1, 1);
 401         CHECK_BLOCKS("misc", root, 2);
 402         talloc_unlink(NULL, p1);
 403         CHECK_BLOCKS("misc", p1, 1);
 404         CHECK_BLOCKS("misc", root, 2);
 405         p2 = talloc_strdup(p1, "foo");
 406         torture_assert("misc", talloc_unlink(root, p2) == -1,
 407                                    "failed: talloc_unlink() of non-reference context should return -1\n");
 408         torture_assert("misc", talloc_unlink(p1, p2) == 0,
 409                 "failed: talloc_unlink() of parent should succeed\n");
 410         talloc_unlink(NULL, p1);
 411         CHECK_BLOCKS("misc", p1, 1);
 412         CHECK_BLOCKS("misc", root, 2);
 413
 414         name = talloc_set_name(p1, "my name is %s", "foo");
 415         torture_assert_str_equal("misc", talloc_get_name(p1), "my name is foo",
 416                 "failed: wrong name after talloc_set_name(my name is foo)");
 417         CHECK_BLOCKS("misc", p1, 2);
 418         CHECK_BLOCKS("misc", root, 3);
 419
 420         talloc_set_name_const(p1, NULL);
 421         torture_assert_str_equal ("misc", talloc_get_name(p1), "UNNAMED",
 422                 "failed: wrong name after talloc_set_name(NULL)");
 423         CHECK_BLOCKS("misc", p1, 2);
 424         CHECK_BLOCKS("misc", root, 3);
 425
 426         torture_assert("misc", talloc_free(NULL) == -1,
 427                                    "talloc_free(NULL) should give -1\n");
 428
 429         talloc_set_destructor(p1, fail_destructor);
 430         torture_assert("misc", talloc_free(p1) == -1,
 431                 "Failed destructor should cause talloc_free to fail\n");
 432         talloc_set_destructor(p1, NULL);
 433
 434         talloc_report(root, stderr);
 435
 436
 437         p2 = (char *)talloc_zero_size(p1, 20);
 438         torture_assert("misc", p2[19] == 0, "Failed to give zero memory\n");
 439         talloc_free(p2);
 440
 441         torture_assert("misc", talloc_strdup(root, NULL) == NULL,
 442                 "failed: strdup on NULL should give NULL\n");
 443
 444         p2 = talloc_strndup(p1, "foo", 2);
 445         torture_assert("misc", strcmp("fo", p2) == 0,
 446                                    "strndup doesn't work\n");
 447         p2 = talloc_asprintf_append_buffer(p2, "o%c", 'd');
 448         torture_assert("misc", strcmp("food", p2) == 0,
 449                                    "talloc_asprintf_append_buffer doesn't work\n");
 450         CHECK_BLOCKS("misc", p2, 1);
 451         CHECK_BLOCKS("misc", p1, 3);
 452
 453         p2 = talloc_asprintf_append_buffer(NULL, "hello %s", "world");
 454         torture_assert("misc", strcmp("hello world", p2) == 0,
 455                 "talloc_asprintf_append_buffer doesn't work\n");
 456         CHECK_BLOCKS("misc", p2, 1);
 457         CHECK_BLOCKS("misc", p1, 3);
 458         talloc_free(p2);
 459
 460         d = talloc_array(p1, double, 0x20000000);
 461         torture_assert("misc", !d, "failed: integer overflow not detected\n");
 462
 463         d = talloc_realloc(p1, d, double, 0x20000000);
 464         torture_assert("misc", !d, "failed: integer overflow not detected\n");
 465
 466         talloc_free(p1);
 467         CHECK_BLOCKS("misc", root, 1);
 468
 469         p1 = talloc_named(root, 100, "%d bytes", 100);
 470         CHECK_BLOCKS("misc", p1, 2);
 471         CHECK_BLOCKS("misc", root, 3);
 472         talloc_unlink(root, p1);
 473
 474         p1 = talloc_init("%d bytes", 200);
 475         p2 = talloc_asprintf(p1, "my test '%s'", "string");
 476         torture_assert_str_equal("misc", p2, "my test 'string'",
 477                 "failed: talloc_asprintf(\"my test '%%s'\", \"string\") gave: \"%s\"");
 478         CHECK_BLOCKS("misc", p1, 3);
 479         CHECK_SIZE("misc", p2, 17);
 480         CHECK_BLOCKS("misc", root, 1);
 481         talloc_unlink(NULL, p1);
 482
 483         p1 = talloc_named_const(root, 10, "p1");
 484         p2 = (char *)talloc_named_const(root, 20, "p2");
 485         (void)talloc_reference(p1, p2);
 486         talloc_report_full(root, stderr);
 487         talloc_unlink(root, p2);
 488         talloc_report_full(root, stderr);
 489         CHECK_BLOCKS("misc", p2, 1);
 490         CHECK_BLOCKS("misc", p1, 2);
 491         CHECK_BLOCKS("misc", root, 3);
 492         talloc_unlink(p1, p2);
 493         talloc_unlink(root, p1);
 494
 495         p1 = talloc_named_const(root, 10, "p1");
 496         p2 = (char *)talloc_named_const(root, 20, "p2");
 497         (void)talloc_reference(NULL, p2);
 498         talloc_report_full(root, stderr);
 499         talloc_unlink(root, p2);
 500         talloc_report_full(root, stderr);
 501         CHECK_BLOCKS("misc", p2, 1);
 502         CHECK_BLOCKS("misc", p1, 1);
 503         CHECK_BLOCKS("misc", root, 2);
 504         talloc_unlink(NULL, p2);
 505         talloc_unlink(root, p1);
 506
 507         /* Test that talloc_unlink is a no-op */
 508
 509         torture_assert("misc", talloc_unlink(root, NULL) == -1,
 510                 "failed: talloc_unlink(root, NULL) == -1\n");
 511
 512         talloc_report(root, stderr);
 513         talloc_report(NULL, stderr);
 514
 515         CHECK_SIZE("misc", root, 0);
 516
 517         talloc_free(root);
 518
 519         CHECK_SIZE("misc", NULL, 0);
 520
 521         talloc_enable_null_tracking_no_autofree();
 522         talloc_enable_leak_report();
 523         talloc_enable_leak_report_full();
 524
 525         printf("success: misc\n");
 526
 527         return true;
 528 }
 529
 530
 531 /*
 532   test realloc
 533 */
 534 static bool test_realloc(void)
 535 {
 536         void *root, *p1, *p2;
 537
 538         printf("test: realloc\n# REALLOC\n");
 539
 540         root = talloc_new(NULL);
 541
 542         p1 = talloc_size(root, 10);
 543         CHECK_SIZE("realloc", p1, 10);
 544
 545         p1 = talloc_realloc_size(NULL, p1, 20);
 546         CHECK_SIZE("realloc", p1, 20);
 547
 548         talloc_new(p1);
 549
 550         p2 = talloc_realloc_size(p1, NULL, 30);
 551
 552         talloc_new(p1);
 553
 554         p2 = talloc_realloc_size(p1, p2, 40);
 555
 556         CHECK_SIZE("realloc", p2, 40);
 557         CHECK_SIZE("realloc", root, 60);
 558         CHECK_BLOCKS("realloc", p1, 4);
 559
 560         p1 = talloc_realloc_size(NULL, p1, 20);
 561         CHECK_SIZE("realloc", p1, 60);
 562
 563         talloc_increase_ref_count(p2);
 564         torture_assert("realloc", talloc_realloc_size(NULL, p2, 5) == NULL,
 565                 "failed: talloc_realloc() on a referenced pointer should fail\n");
 566         CHECK_BLOCKS("realloc", p1, 4);
 567
 568         talloc_realloc_size(NULL, p2, 0);
 569         talloc_realloc_size(NULL, p2, 0);
 570         CHECK_BLOCKS("realloc", p1, 4);
 571         talloc_realloc_size(p1, p2, 0);
 572         CHECK_BLOCKS("realloc", p1, 3);
 573
 574         torture_assert("realloc", talloc_realloc_size(NULL, p1, 0x7fffffff) == NULL,
 575                 "failed: oversize talloc should fail\n");
 576
 577         talloc_realloc_size(NULL, p1, 0);
 578         CHECK_BLOCKS("realloc", root, 4);
 579         talloc_realloc_size(root, p1, 0);
 580         CHECK_BLOCKS("realloc", root, 1);
 581
 582         CHECK_SIZE("realloc", root, 0);
 583
 584         talloc_free(root);
 585
 586         printf("success: realloc\n");
 587
 588         return true;
 589 }
 590
 591 /*
 592   test realloc with a child
 593 */
 594 static bool test_realloc_child(void)
 595 {
 596         void *root;
 597         struct el2 {
 598                 const char *name;
 599         } *el2;
 600         struct el1 {
 601                 int count;
 602                 struct el2 **list, **list2, **list3;
 603         } *el1;
 604
 605         printf("test: REALLOC WITH CHILD\n");
 606
 607         root = talloc_new(NULL);
 608
 609         el1 = talloc(root, struct el1);
 610         el1->list = talloc(el1, struct el2 *);
 611         el1->list[0] = talloc(el1->list, struct el2);
 612         el1->list[0]->name = talloc_strdup(el1->list[0], "testing");
 613
 614         el1->list2 = talloc(el1, struct el2 *);
 615         el1->list2[0] = talloc(el1->list2, struct el2);
 616         el1->list2[0]->name = talloc_strdup(el1->list2[0], "testing2");
 617
 618         el1->list3 = talloc(el1, struct el2 *);
 619         el1->list3[0] = talloc(el1->list3, struct el2);
 620         el1->list3[0]->name = talloc_strdup(el1->list3[0], "testing2");
 621
 622         el2 = talloc(el1->list, struct el2);
 623         el2 = talloc(el1->list2, struct el2);
 624         el2 = talloc(el1->list3, struct el2);
 625
 626         el1->list = talloc_realloc(el1, el1->list, struct el2 *, 100);
 627         el1->list2 = talloc_realloc(el1, el1->list2, struct el2 *, 200);
 628         el1->list3 = talloc_realloc(el1, el1->list3, struct el2 *, 300);
 629
 630         talloc_free(root);
 631
 632         printf("success: REALLOC WITH CHILD\n");
 633         return true;
 634 }
 635
 636 /*
 637   test type checking
 638 */
 639 static bool test_type(void)
 640 {
 641         void *root;
 642         struct el1 {
 643                 int count;
 644         };
 645         struct el2 {
 646                 int count;
 647         };
 648         struct el1 *el1;
 649
 650         printf("test: type\n# talloc type checking\n");
 651
 652         root = talloc_new(NULL);
 653
 654         el1 = talloc(root, struct el1);
 655
 656         el1->count = 1;
 657
 658         torture_assert("type", talloc_get_type(el1, struct el1) == el1,
 659                 "type check failed on el1\n");
 660         torture_assert("type", talloc_get_type(el1, struct el2) == NULL,
 661                 "type check failed on el1 with el2\n");
 662         talloc_set_type(el1, struct el2);
 663         torture_assert("type", talloc_get_type(el1, struct el2) == (struct el2 *)el1,
 664                 "type set failed on el1 with el2\n");
 665
 666         talloc_free(root);
 667
 668         printf("success: type\n");
 669         return true;
 670 }
 671
 672 /*
 673   test steal
 674 */
 675 static bool test_steal(void)
 676 {
 677         void *root, *p1, *p2;
 678
 679         printf("test: steal\n# STEAL\n");
 680
 681         root = talloc_new(NULL);
 682
 683         p1 = talloc_array(root, char, 10);
 684         CHECK_SIZE("steal", p1, 10);
 685
 686         p2 = talloc_realloc(root, NULL, char, 20);
 687         CHECK_SIZE("steal", p1, 10);
 688         CHECK_SIZE("steal", root, 30);
 689
 690         torture_assert("steal", talloc_steal(p1, NULL) == NULL,
 691                 "failed: stealing NULL should give NULL\n");
 692
 693         torture_assert("steal", talloc_steal(p1, p1) == p1,
 694                 "failed: stealing to ourselves is a nop\n");
 695         CHECK_BLOCKS("steal", root, 3);
 696         CHECK_SIZE("steal", root, 30);
 697
 698         talloc_steal(NULL, p1);
 699         talloc_steal(NULL, p2);
 700         CHECK_BLOCKS("steal", root, 1);
 701         CHECK_SIZE("steal", root, 0);
 702
 703         talloc_free(p1);
 704         talloc_steal(root, p2);
 705         CHECK_BLOCKS("steal", root, 2);
 706         CHECK_SIZE("steal", root, 20);
 707
 708         talloc_free(p2);
 709
 710         CHECK_BLOCKS("steal", root, 1);
 711         CHECK_SIZE("steal", root, 0);
 712
 713         talloc_free(root);
 714
 715         p1 = talloc_size(NULL, 3);
 716         talloc_report_full(NULL, stderr);
 717         CHECK_SIZE("steal", NULL, 3);
 718         talloc_free(p1);
 719
 720         printf("success: steal\n");
 721         return true;
 722 }
 723
 724 /*
 725   test move
 726 */
 727 static bool test_move(void)
 728 {
 729         void *root;
 730         struct t_move {
 731                 char *p;
 732                 int *x;
 733         } *t1, *t2;
 734
 735         printf("test: move\n# MOVE\n");
 736
 737         root = talloc_new(NULL);
 738
 739         t1 = talloc(root, struct t_move);
 740         t2 = talloc(root, struct t_move);
 741         t1->p = talloc_strdup(t1, "foo");
 742         t1->x = talloc(t1, int);
 743         *t1->x = 42;
 744
 745         t2->p = talloc_move(t2, &t1->p);
 746         t2->x = talloc_move(t2, &t1->x);
 747         torture_assert("move", t1->p == NULL && t1->x == NULL &&
 748             strcmp(t2->p, "foo") == 0 && *t2->x == 42,
 749                 "talloc move failed");
 750
 751         talloc_free(root);
 752
 753         printf("success: move\n");
 754
 755         return true;
 756 }
 757
 758 /*
 759   test talloc_realloc_fn
 760 */
 761 static bool test_realloc_fn(void)
 762 {
 763         void *root, *p1;
 764
 765         printf("test: realloc_fn\n# talloc_realloc_fn\n");
 766
 767         root = talloc_new(NULL);
 768
 769         p1 = talloc_realloc_fn(root, NULL, 10);
 770         CHECK_BLOCKS("realloc_fn", root, 2);
 771         CHECK_SIZE("realloc_fn", root, 10);
 772         p1 = talloc_realloc_fn(root, p1, 20);
 773         CHECK_BLOCKS("realloc_fn", root, 2);
 774         CHECK_SIZE("realloc_fn", root, 20);
 775         p1 = talloc_realloc_fn(root, p1, 0);
 776         CHECK_BLOCKS("realloc_fn", root, 1);
 777         CHECK_SIZE("realloc_fn", root, 0);
 778
 779         talloc_free(root);
 780
 781         printf("success: realloc_fn\n");
 782         return true;
 783 }
 784
 785
 786 static bool test_unref_reparent(void)
 787 {
 788         void *root, *p1, *p2, *c1;
 789
 790         printf("test: unref_reparent\n# UNREFERENCE AFTER PARENT FREED\n");
 791
 792         root = talloc_named_const(NULL, 0, "root");
 793         p1 = talloc_named_const(root, 1, "orig parent");
 794         p2 = talloc_named_const(root, 1, "parent by reference");
 795
 796         c1 = talloc_named_const(p1, 1, "child");
 797         talloc_reference(p2, c1);
 798
 799         CHECK_PARENT("unref_reparent", c1, p1);
 800
 801         talloc_free(p1);
 802
 803         CHECK_PARENT("unref_reparent", c1, p2);
 804
 805         talloc_unlink(p2, c1);
 806
 807         CHECK_SIZE("unref_reparent", root, 1);
 808
 809         talloc_free(p2);
 810         talloc_free(root);
 811
 812         printf("success: unref_reparent\n");
 813         return true;
 814 }
 815
 816 /*
 817   measure the speed of talloc versus malloc
 818 */
 819 static bool test_speed(void)
 820 {
 821         void *ctx = talloc_new(NULL);
 822         unsigned count;
 823         const int loop = 1000;
 824         int i;
 825         struct timeval tv;
 826
 827         printf("test: speed\n# TALLOC VS MALLOC SPEED\n");
 828
 829         tv = timeval_current();
 830         count = 0;
 831         do {
 832                 void *p1, *p2, *p3;
 833                 for (i=0;i<loop;i++) {
 834                         p1 = talloc_size(ctx, loop % 100);
 835                         p2 = talloc_strdup(p1, "foo bar");
 836                         p3 = talloc_size(p1, 300);
 837                         talloc_free(p1);
 838                 }
 839                 count += 3 * loop;
 840         } while (timeval_elapsed(&tv) < 5.0);
 841
 842         fprintf(stderr, "talloc: %.0f ops/sec\n", count/timeval_elapsed(&tv));
 843
 844         talloc_free(ctx);
 845
 846         ctx = talloc_pool(NULL, 1024);
 847
 848         tv = timeval_current();
 849         count = 0;
 850         do {
 851                 void *p1, *p2, *p3;
 852                 for (i=0;i<loop;i++) {
 853                         p1 = talloc_size(ctx, loop % 100);
 854                         p2 = talloc_strdup(p1, "foo bar");
 855                         p3 = talloc_size(p1, 300);
 856                         talloc_free_children(ctx);
 857                 }
 858                 count += 3 * loop;
 859         } while (timeval_elapsed(&tv) < 5.0);
 860
 861         talloc_free(ctx);
 862
 863         fprintf(stderr, "talloc_pool: %.0f ops/sec\n", count/timeval_elapsed(&tv));
 864
 865         tv = timeval_current();
 866         count = 0;
 867         do {
 868                 void *p1, *p2, *p3;
 869                 for (i=0;i<loop;i++) {
 870                         p1 = malloc(loop % 100);
 871                         p2 = strdup("foo bar");
 872                         p3 = malloc(300);
 873                         free(p1);
 874                         free(p2);
 875                         free(p3);
 876                 }
 877                 count += 3 * loop;
 878         } while (timeval_elapsed(&tv) < 5.0);
 879         fprintf(stderr, "malloc: %.0f ops/sec\n", count/timeval_elapsed(&tv));
 880
 881         printf("success: speed\n");
 882
 883         return true;
 884 }
 885
 886 static bool test_lifeless(void)
 887 {
 888         void *top = talloc_new(NULL);
 889         char *parent, *child;
 890         void *child_owner = talloc_new(NULL);
 891
 892         printf("test: lifeless\n# TALLOC_UNLINK LOOP\n");
 893
 894         parent = talloc_strdup(top, "parent");
 895         child = talloc_strdup(parent, "child");
 896         (void)talloc_reference(child, parent);
 897         (void)talloc_reference(child_owner, child);
 898         talloc_report_full(top, stderr);
 899         talloc_unlink(top, parent);
 900         talloc_unlink(top, child);
 901         talloc_report_full(top, stderr);
 902         talloc_free(top);
 903         talloc_free(child_owner);
 904         talloc_free(child);
 905
 906         printf("success: lifeless\n");
 907         return true;
 908 }
 909
 910 static int loop_destructor_count;
 911
 912 static int test_loop_destructor(char *ptr)
 913 {
 914         loop_destructor_count++;
 915         return 0;
 916 }
 917
 918 static bool test_loop(void)
 919 {
 920         void *top = talloc_new(NULL);
 921         char *parent;
 922         struct req1 {
 923                 char *req2, *req3;
 924         } *req1;
 925
 926         printf("test: loop\n# TALLOC LOOP DESTRUCTION\n");
 927
 928         parent = talloc_strdup(top, "parent");
 929         req1 = talloc(parent, struct req1);
 930         req1->req2 = talloc_strdup(req1, "req2");
 931         talloc_set_destructor(req1->req2, test_loop_destructor);
 932         req1->req3 = talloc_strdup(req1, "req3");
 933         (void)talloc_reference(req1->req3, req1);
 934         talloc_report_full(top, stderr);
 935         talloc_free(parent);
 936         talloc_report_full(top, stderr);
 937         talloc_report_full(NULL, stderr);
 938         talloc_free(top);
 939
 940         torture_assert("loop", loop_destructor_count == 1,
 941                                    "FAILED TO FIRE LOOP DESTRUCTOR\n");
 942         loop_destructor_count = 0;
 943
 944         printf("success: loop\n");
 945         return true;
 946 }
 947
 948 static int fail_destructor_str(char *ptr)
 949 {
 950         return -1;
 951 }
 952
 953 static bool test_free_parent_deny_child(void)
 954 {
 955         void *top = talloc_new(NULL);
 956         char *level1;
 957         char *level2;
 958         char *level3;
 959
 960         printf("test: free_parent_deny_child\n# TALLOC FREE PARENT DENY CHILD\n");
 961
 962         level1 = talloc_strdup(top, "level1");
 963         level2 = talloc_strdup(level1, "level2");
 964         level3 = talloc_strdup(level2, "level3");
 965
 966         talloc_set_destructor(level3, fail_destructor_str);
 967         talloc_free(level1);
 968         talloc_set_destructor(level3, NULL);
 969
 970         CHECK_PARENT("free_parent_deny_child", level3, top);
 971
 972         talloc_free(top);
 973
 974         printf("success: free_parent_deny_child\n");
 975         return true;
 976 }
 977
 978 static bool test_talloc_ptrtype(void)
 979 {
 980         void *top = talloc_new(NULL);
 981         struct struct1 {
 982                 int foo;
 983                 int bar;
 984         } *s1, *s2, **s3, ***s4;
 985         const char *location1;
 986         const char *location2;
 987         const char *location3;
 988         const char *location4;
 989
 990         printf("test: ptrtype\n# TALLOC PTRTYPE\n");
 991
 992         s1 = talloc_ptrtype(top, s1);location1 = __location__;
 993
 994         if (talloc_get_size(s1) != sizeof(struct struct1)) {
 995                 printf("failure: ptrtype [\n"
 996                   "talloc_ptrtype() allocated the wrong size %lu (should be %lu)\n"
 997                   "]\n", (unsigned long)talloc_get_size(s1),
 998                            (unsigned long)sizeof(struct struct1));
 999                 return false;
1000         }
1001
1002         if (strcmp(location1, talloc_get_name(s1)) != 0) {
1003                 printf("failure: ptrtype [\n"
1004                   "talloc_ptrtype() sets the wrong name '%s' (should be '%s')\n]\n",
1005                         talloc_get_name(s1), location1);
1006                 return false;
1007         }
1008
1009         s2 = talloc_array_ptrtype(top, s2, 10);location2 = __location__;
1010
1011         if (talloc_get_size(s2) != (sizeof(struct struct1) * 10)) {
1012                 printf("failure: ptrtype [\n"
1013                            "talloc_array_ptrtype() allocated the wrong size "
1014                        "%lu (should be %lu)\n]\n",
1015                         (unsigned long)talloc_get_size(s2),
1016                     (unsigned long)(sizeof(struct struct1)*10));
1017                 return false;
1018         }
1019
1020         if (strcmp(location2, talloc_get_name(s2)) != 0) {
1021                 printf("failure: ptrtype [\n"
1022                 "talloc_array_ptrtype() sets the wrong name '%s' (should be '%s')\n]\n",
1023                         talloc_get_name(s2), location2);
1024                 return false;
1025         }
1026
1027         s3 = talloc_array_ptrtype(top, s3, 10);location3 = __location__;
1028
1029         if (talloc_get_size(s3) != (sizeof(struct struct1 *) * 10)) {
1030                 printf("failure: ptrtype [\n"
1031                            "talloc_array_ptrtype() allocated the wrong size "
1032                        "%lu (should be %lu)\n]\n",
1033                            (unsigned long)talloc_get_size(s3),
1034                        (unsigned long)(sizeof(struct struct1 *)*10));
1035                 return false;
1036         }
1037
1038         torture_assert_str_equal("ptrtype", location3, talloc_get_name(s3),
1039                 "talloc_array_ptrtype() sets the wrong name");
1040
1041         s4 = talloc_array_ptrtype(top, s4, 10);location4 = __location__;
1042
1043         if (talloc_get_size(s4) != (sizeof(struct struct1 **) * 10)) {
1044                 printf("failure: ptrtype [\n"
1045                       "talloc_array_ptrtype() allocated the wrong size "
1046                        "%lu (should be %lu)\n]\n",
1047                            (unsigned long)talloc_get_size(s4),
1048                        (unsigned long)(sizeof(struct struct1 **)*10));
1049                 return false;
1050         }
1051
1052         torture_assert_str_equal("ptrtype", location4, talloc_get_name(s4),
1053                 "talloc_array_ptrtype() sets the wrong name");
1054
1055         talloc_free(top);
1056
1057         printf("success: ptrtype\n");
1058         return true;
1059 }
1060
1061 static int _test_talloc_free_in_destructor(void **ptr)
1062 {
1063         talloc_free(*ptr);
1064         return 0;
1065 }
1066
1067 static bool test_talloc_free_in_destructor(void)
1068 {
1069         void *level0;
1070         void *level1;
1071         void *level2;
1072         void *level3;
1073         void *level4;
1074         void **level5;
1075
1076         printf("test: free_in_destructor\n# TALLOC FREE IN DESTRUCTOR\n");
1077
1078         level0 = talloc_new(NULL);
1079         level1 = talloc_new(level0);
1080         level2 = talloc_new(level1);
1081         level3 = talloc_new(level2);
1082         level4 = talloc_new(level3);
1083         level5 = talloc(level4, void *);
1084
1085         *level5 = level3;
1086         (void)talloc_reference(level0, level3);
1087         (void)talloc_reference(level3, level3);
1088         (void)talloc_reference(level5, level3);
1089
1090         talloc_set_destructor(level5, _test_talloc_free_in_destructor);
1091
1092         talloc_free(level1);
1093
1094         talloc_free(level0);
1095
1096         printf("success: free_in_destructor\n");
1097         return true;
1098 }
1099
1100 static bool test_autofree(void)
1101 {
1102 #if _SAMBA_BUILD_ < 4
1103         /* autofree test would kill smbtorture */
1104         void *p;
1105         printf("test: autofree\n# TALLOC AUTOFREE CONTEXT\n");
1106
1107         p = talloc_autofree_context();
1108         talloc_free(p);
1109
1110         p = talloc_autofree_context();
1111         talloc_free(p);
1112
1113         printf("success: autofree\n");
1114 #endif
1115         return true;
1116 }
1117
1118 static bool test_pool(void)
1119 {
1120         void *pool;
1121         void *p1, *p2, *p3, *p4;
1122
1123         pool = talloc_pool(NULL, 1024);
1124
1125         p1 = talloc_size(pool, 80);
1126         p2 = talloc_size(pool, 20);
1127         p3 = talloc_size(p1, 50);
1128         p4 = talloc_size(p3, 1000);
1129
1130         talloc_free(pool);
1131
1132         return true;
1133 }
1134
1135
1136 static bool test_free_ref_null_context(void)
1137 {
1138         void *p1, *p2, *p3;
1139         int ret;
1140
1141         talloc_disable_null_tracking();
1142         p1 = talloc_new(NULL);
1143         p2 = talloc_new(NULL);
1144
1145         p3 = talloc_reference(p2, p1);
1146         torture_assert("reference", p3 == p1, "failed: reference on null");
1147
1148         ret = talloc_free(p1);
1149         torture_assert("ref free with null parent", ret == 0, "failed: free with null parent");
1150         talloc_free(p2);
1151
1152         talloc_enable_null_tracking_no_autofree();
1153         p1 = talloc_new(NULL);
1154         p2 = talloc_new(NULL);
1155
1156         p3 = talloc_reference(p2, p1);
1157         torture_assert("reference", p3 == p1, "failed: reference on null");
1158
1159         ret = talloc_free(p1);
1160         torture_assert("ref free with null tracked parent", ret == 0, "failed: free with null parent");
1161         talloc_free(p2);
1162
1163         return true;
1164 }
1165
1166 static void test_reset(void)
1167 {
1168         talloc_set_log_fn(test_log_stdout);
1169         test_abort_stop();
1170         talloc_disable_null_tracking();
1171         talloc_enable_null_tracking_no_autofree();
1172 }
1173
1174 struct torture_context;
1175 bool torture_local_talloc(struct torture_context *tctx)
1176 {
1177         bool ret = true;
1178
1179         setlinebuf(stdout);
1180
1181         test_reset();
1182         ret &= test_ref1();
1183         test_reset();
1184         ret &= test_ref2();
1185         test_reset();
1186         ret &= test_ref3();
1187         test_reset();
1188         ret &= test_ref4();
1189         test_reset();
1190         ret &= test_unlink1();
1191         test_reset();
1192         ret &= test_misc();
1193         test_reset();
1194         ret &= test_realloc();
1195         test_reset();
1196         ret &= test_realloc_child();
1197         test_reset();
1198         ret &= test_steal();
1199         test_reset();
1200         ret &= test_move();
1201         test_reset();
1202         ret &= test_unref_reparent();
1203         test_reset();
1204         ret &= test_realloc_fn();
1205         test_reset();
1206         ret &= test_type();
1207         test_reset();
1208         ret &= test_lifeless();
1209         test_reset();
1210         ret &= test_loop();
1211         test_reset();
1212         ret &= test_free_parent_deny_child();
1213         test_reset();
1214         ret &= test_talloc_ptrtype();
1215         test_reset();
1216         ret &= test_talloc_free_in_destructor();
1217         test_reset();
1218         ret &= test_pool();
1219         test_reset();
1220         ret &= test_free_ref_null_context();
1221
1222         if (ret) {
1223                 test_reset();
1224                 ret &= test_speed();
1225         }
1226         test_reset();
1227         ret &= test_autofree();
1228
1229         test_reset();
1230
1231         return ret;
1232 }