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