/* Unix SMB/CIFS implementation. local testing of talloc routines. Copyright (C) Andrew Tridgell 2004 ** NOTE! The following LGPL license applies to the talloc ** library. This does NOT imply that all of Samba is released ** under the LGPL This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, see <http://www.gnu.org/licenses/>. */ #include "replace.h" #include "system/time.h" #include <talloc.h> #include "talloc_testsuite.h" static struct timeval timeval_current(void) { struct timeval tv; gettimeofday(&tv, NULL); return tv; } static double timeval_elapsed(struct timeval *tv) { struct timeval tv2 = timeval_current(); return (tv2.tv_sec - tv->tv_sec) + (tv2.tv_usec - tv->tv_usec)*1.0e-6; } #define torture_assert(test, expr, str) if (!(expr)) { \ printf("failure: %s [\n%s: Expression %s failed: %s\n]\n", \ test, __location__, #expr, str); \ return false; \ } #define torture_assert_str_equal(test, arg1, arg2, desc) \ if (arg1 == NULL && arg2 == NULL) { \ } else if (strcmp(arg1, arg2)) { \ printf("failure: %s [\n%s: Expected %s, got %s: %s\n]\n", \ test, __location__, arg1, arg2, desc); \ return false; \ } #if _SAMBA_BUILD_==3 #ifdef malloc #undef malloc #endif #ifdef strdup #undef strdup #endif #endif #define CHECK_SIZE(test, ptr, tsize) do { \ if (talloc_total_size(ptr) != (tsize)) { \ printf("failed: %s [\n%s: wrong '%s' tree size: got %u expected %u\n]\n", \ test, __location__, #ptr, \ (unsigned)talloc_total_size(ptr), \ (unsigned)tsize); \ talloc_report_full(ptr, stdout); \ return false; \ } \ } while (0) #define CHECK_BLOCKS(test, ptr, tblocks) do { \ if (talloc_total_blocks(ptr) != (tblocks)) { \ printf("failed: %s [\n%s: wrong '%s' tree blocks: got %u expected %u\n]\n", \ test, __location__, #ptr, \ (unsigned)talloc_total_blocks(ptr), \ (unsigned)tblocks); \ talloc_report_full(ptr, stdout); \ return false; \ } \ } while (0) #define CHECK_PARENT(test, ptr, parent) do { \ if (talloc_parent(ptr) != (parent)) { \ printf("failed: %s [\n%s: '%s' has wrong parent: got %p expected %p\n]\n", \ test, __location__, #ptr, \ talloc_parent(ptr), \ (parent)); \ talloc_report_full(ptr, stdout); \ talloc_report_full(parent, stdout); \ talloc_report_full(NULL, stdout); \ return false; \ } \ } while (0) static unsigned int test_abort_count; #if 0 static void test_abort_fn(const char *reason) { printf("# test_abort_fn(%s)\n", reason); test_abort_count++; } static void test_abort_start(void) { test_abort_count = 0; talloc_set_abort_fn(test_abort_fn); } #endif static void test_abort_stop(void) { test_abort_count = 0; talloc_set_abort_fn(NULL); } static void test_log_stdout(const char *message) { fprintf(stdout, "%s", message); } /* test references */ static bool test_ref1(void) { void *root, *p1, *p2, *ref, *r1; printf("test: ref1\n# SINGLE REFERENCE FREE\n"); root = talloc_named_const(NULL, 0, "root"); p1 = talloc_named_const(root, 1, "p1"); p2 = talloc_named_const(p1, 1, "p2"); talloc_named_const(p1, 1, "x1"); talloc_named_const(p1, 2, "x2"); talloc_named_const(p1, 3, "x3"); r1 = talloc_named_const(root, 1, "r1"); ref = talloc_reference(r1, p2); talloc_report_full(root, stderr); CHECK_BLOCKS("ref1", p1, 5); CHECK_BLOCKS("ref1", p2, 1); CHECK_BLOCKS("ref1", r1, 2); fprintf(stderr, "Freeing p2\n"); talloc_unlink(r1, p2); talloc_report_full(root, stderr); CHECK_BLOCKS("ref1", p1, 5); CHECK_BLOCKS("ref1", p2, 1); CHECK_BLOCKS("ref1", r1, 1); fprintf(stderr, "Freeing p1\n"); talloc_free(p1); talloc_report_full(root, stderr); CHECK_BLOCKS("ref1", r1, 1); fprintf(stderr, "Freeing r1\n"); talloc_free(r1); talloc_report_full(NULL, stderr); fprintf(stderr, "Testing NULL\n"); if (talloc_reference(root, NULL)) { return false; } CHECK_BLOCKS("ref1", root, 1); CHECK_SIZE("ref1", root, 0); talloc_free(root); printf("success: ref1\n"); return true; } /* test references */ static bool test_ref2(void) { void *root, *p1, *p2, *ref, *r1; printf("test: ref2\n# DOUBLE REFERENCE FREE\n"); root = talloc_named_const(NULL, 0, "root"); p1 = talloc_named_const(root, 1, "p1"); talloc_named_const(p1, 1, "x1"); talloc_named_const(p1, 1, "x2"); talloc_named_const(p1, 1, "x3"); p2 = talloc_named_const(p1, 1, "p2"); r1 = talloc_named_const(root, 1, "r1"); ref = talloc_reference(r1, p2); talloc_report_full(root, stderr); CHECK_BLOCKS("ref2", p1, 5); CHECK_BLOCKS("ref2", p2, 1); CHECK_BLOCKS("ref2", r1, 2); fprintf(stderr, "Freeing ref\n"); talloc_unlink(r1, ref); talloc_report_full(root, stderr); CHECK_BLOCKS("ref2", p1, 5); CHECK_BLOCKS("ref2", p2, 1); CHECK_BLOCKS("ref2", r1, 1); fprintf(stderr, "Freeing p2\n"); talloc_free(p2); talloc_report_full(root, stderr); CHECK_BLOCKS("ref2", p1, 4); CHECK_BLOCKS("ref2", r1, 1); fprintf(stderr, "Freeing p1\n"); talloc_free(p1); talloc_report_full(root, stderr); CHECK_BLOCKS("ref2", r1, 1); fprintf(stderr, "Freeing r1\n"); talloc_free(r1); talloc_report_full(root, stderr); CHECK_SIZE("ref2", root, 0); talloc_free(root); printf("success: ref2\n"); return true; } /* test references */ static bool test_ref3(void) { void *root, *p1, *p2, *ref, *r1; printf("test: ref3\n# PARENT REFERENCE FREE\n"); root = talloc_named_const(NULL, 0, "root"); p1 = talloc_named_const(root, 1, "p1"); p2 = talloc_named_const(root, 1, "p2"); r1 = talloc_named_const(p1, 1, "r1"); ref = talloc_reference(p2, r1); talloc_report_full(root, stderr); CHECK_BLOCKS("ref3", p1, 2); CHECK_BLOCKS("ref3", p2, 2); CHECK_BLOCKS("ref3", r1, 1); fprintf(stderr, "Freeing p1\n"); talloc_free(p1); talloc_report_full(root, stderr); CHECK_BLOCKS("ref3", p2, 2); CHECK_BLOCKS("ref3", r1, 1); fprintf(stderr, "Freeing p2\n"); talloc_free(p2); talloc_report_full(root, stderr); CHECK_SIZE("ref3", root, 0); talloc_free(root); printf("success: ref3\n"); return true; } /* test references */ static bool test_ref4(void) { void *root, *p1, *p2, *ref, *r1; printf("test: ref4\n# REFERRER REFERENCE FREE\n"); root = talloc_named_const(NULL, 0, "root"); p1 = talloc_named_const(root, 1, "p1"); talloc_named_const(p1, 1, "x1"); talloc_named_const(p1, 1, "x2"); talloc_named_const(p1, 1, "x3"); p2 = talloc_named_const(p1, 1, "p2"); r1 = talloc_named_const(root, 1, "r1"); ref = talloc_reference(r1, p2); talloc_report_full(root, stderr); CHECK_BLOCKS("ref4", p1, 5); CHECK_BLOCKS("ref4", p2, 1); CHECK_BLOCKS("ref4", r1, 2); fprintf(stderr, "Freeing r1\n"); talloc_free(r1); talloc_report_full(root, stderr); CHECK_BLOCKS("ref4", p1, 5); CHECK_BLOCKS("ref4", p2, 1); fprintf(stderr, "Freeing p2\n"); talloc_free(p2); talloc_report_full(root, stderr); CHECK_BLOCKS("ref4", p1, 4); fprintf(stderr, "Freeing p1\n"); talloc_free(p1); talloc_report_full(root, stderr); CHECK_SIZE("ref4", root, 0); talloc_free(root); printf("success: ref4\n"); return true; } /* test references */ static bool test_unlink1(void) { void *root, *p1, *p2, *ref, *r1; printf("test: unlink\n# UNLINK\n"); root = talloc_named_const(NULL, 0, "root"); p1 = talloc_named_const(root, 1, "p1"); talloc_named_const(p1, 1, "x1"); talloc_named_const(p1, 1, "x2"); talloc_named_const(p1, 1, "x3"); p2 = talloc_named_const(p1, 1, "p2"); r1 = talloc_named_const(p1, 1, "r1"); ref = talloc_reference(r1, p2); talloc_report_full(root, stderr); CHECK_BLOCKS("unlink", p1, 7); CHECK_BLOCKS("unlink", p2, 1); CHECK_BLOCKS("unlink", r1, 2); fprintf(stderr, "Unreferencing r1\n"); talloc_unlink(r1, p2); talloc_report_full(root, stderr); CHECK_BLOCKS("unlink", p1, 6); CHECK_BLOCKS("unlink", p2, 1); CHECK_BLOCKS("unlink", r1, 1); fprintf(stderr, "Freeing p1\n"); talloc_free(p1); talloc_report_full(root, stderr); CHECK_SIZE("unlink", root, 0); talloc_free(root); printf("success: unlink\n"); return true; } static int fail_destructor(void *ptr) { return -1; } /* miscellaneous tests to try to get a higher test coverage percentage */ static bool test_misc(void) { void *root, *p1; char *p2; double *d; const char *name; printf("test: misc\n# MISCELLANEOUS\n"); root = talloc_new(NULL); p1 = talloc_size(root, 0x7fffffff); torture_assert("misc", !p1, "failed: large talloc allowed\n"); p1 = talloc_strdup(root, "foo"); talloc_increase_ref_count(p1); talloc_increase_ref_count(p1); talloc_increase_ref_count(p1); CHECK_BLOCKS("misc", p1, 1); CHECK_BLOCKS("misc", root, 2); talloc_unlink(NULL, p1); CHECK_BLOCKS("misc", p1, 1); CHECK_BLOCKS("misc", root, 2); talloc_unlink(NULL, p1); CHECK_BLOCKS("misc", p1, 1); CHECK_BLOCKS("misc", root, 2); p2 = talloc_strdup(p1, "foo"); torture_assert("misc", talloc_unlink(root, p2) == -1, "failed: talloc_unlink() of non-reference context should return -1\n"); torture_assert("misc", talloc_unlink(p1, p2) == 0, "failed: talloc_unlink() of parent should succeed\n"); talloc_unlink(NULL, p1); CHECK_BLOCKS("misc", p1, 1); CHECK_BLOCKS("misc", root, 2); name = talloc_set_name(p1, "my name is %s", "foo"); torture_assert_str_equal("misc", talloc_get_name(p1), "my name is foo", "failed: wrong name after talloc_set_name(my name is foo)"); CHECK_BLOCKS("misc", p1, 2); CHECK_BLOCKS("misc", root, 3); talloc_set_name_const(p1, NULL); torture_assert_str_equal ("misc", talloc_get_name(p1), "UNNAMED", "failed: wrong name after talloc_set_name(NULL)"); CHECK_BLOCKS("misc", p1, 2); CHECK_BLOCKS("misc", root, 3); torture_assert("misc", talloc_free(NULL) == -1, "talloc_free(NULL) should give -1\n"); talloc_set_destructor(p1, fail_destructor); torture_assert("misc", talloc_free(p1) == -1, "Failed destructor should cause talloc_free to fail\n"); talloc_set_destructor(p1, NULL); talloc_report(root, stderr); p2 = (char *)talloc_zero_size(p1, 20); torture_assert("misc", p2[19] == 0, "Failed to give zero memory\n"); talloc_free(p2); torture_assert("misc", talloc_strdup(root, NULL) == NULL, "failed: strdup on NULL should give NULL\n"); p2 = talloc_strndup(p1, "foo", 2); torture_assert("misc", strcmp("fo", p2) == 0, "strndup doesn't work\n"); p2 = talloc_asprintf_append_buffer(p2, "o%c", 'd'); torture_assert("misc", strcmp("food", p2) == 0, "talloc_asprintf_append_buffer doesn't work\n"); CHECK_BLOCKS("misc", p2, 1); CHECK_BLOCKS("misc", p1, 3); p2 = talloc_asprintf_append_buffer(NULL, "hello %s", "world"); torture_assert("misc", strcmp("hello world", p2) == 0, "talloc_asprintf_append_buffer doesn't work\n"); CHECK_BLOCKS("misc", p2, 1); CHECK_BLOCKS("misc", p1, 3); talloc_free(p2); d = talloc_array(p1, double, 0x20000000); torture_assert("misc", !d, "failed: integer overflow not detected\n"); d = talloc_realloc(p1, d, double, 0x20000000); torture_assert("misc", !d, "failed: integer overflow not detected\n"); talloc_free(p1); CHECK_BLOCKS("misc", root, 1); p1 = talloc_named(root, 100, "%d bytes", 100); CHECK_BLOCKS("misc", p1, 2); CHECK_BLOCKS("misc", root, 3); talloc_unlink(root, p1); p1 = talloc_init("%d bytes", 200); p2 = talloc_asprintf(p1, "my test '%s'", "string"); torture_assert_str_equal("misc", p2, "my test 'string'", "failed: talloc_asprintf(\"my test '%%s'\", \"string\") gave: \"%s\""); CHECK_BLOCKS("misc", p1, 3); CHECK_SIZE("misc", p2, 17); CHECK_BLOCKS("misc", root, 1); talloc_unlink(NULL, p1); p1 = talloc_named_const(root, 10, "p1"); p2 = (char *)talloc_named_const(root, 20, "p2"); (void)talloc_reference(p1, p2); talloc_report_full(root, stderr); talloc_unlink(root, p2); talloc_report_full(root, stderr); CHECK_BLOCKS("misc", p2, 1); CHECK_BLOCKS("misc", p1, 2); CHECK_BLOCKS("misc", root, 3); talloc_unlink(p1, p2); talloc_unlink(root, p1); p1 = talloc_named_const(root, 10, "p1"); p2 = (char *)talloc_named_const(root, 20, "p2"); (void)talloc_reference(NULL, p2); talloc_report_full(root, stderr); talloc_unlink(root, p2); talloc_report_full(root, stderr); CHECK_BLOCKS("misc", p2, 1); CHECK_BLOCKS("misc", p1, 1); CHECK_BLOCKS("misc", root, 2); talloc_unlink(NULL, p2); talloc_unlink(root, p1); /* Test that talloc_unlink is a no-op */ torture_assert("misc", talloc_unlink(root, NULL) == -1, "failed: talloc_unlink(root, NULL) == -1\n"); talloc_report(root, stderr); talloc_report(NULL, stderr); CHECK_SIZE("misc", root, 0); talloc_free(root); CHECK_SIZE("misc", NULL, 0); talloc_enable_null_tracking_no_autofree(); talloc_enable_leak_report(); talloc_enable_leak_report_full(); printf("success: misc\n"); return true; } /* test realloc */ static bool test_realloc(void) { void *root, *p1, *p2; printf("test: realloc\n# REALLOC\n"); root = talloc_new(NULL); p1 = talloc_size(root, 10); CHECK_SIZE("realloc", p1, 10); p1 = talloc_realloc_size(NULL, p1, 20); CHECK_SIZE("realloc", p1, 20); talloc_new(p1); p2 = talloc_realloc_size(p1, NULL, 30); talloc_new(p1); p2 = talloc_realloc_size(p1, p2, 40); CHECK_SIZE("realloc", p2, 40); CHECK_SIZE("realloc", root, 60); CHECK_BLOCKS("realloc", p1, 4); p1 = talloc_realloc_size(NULL, p1, 20); CHECK_SIZE("realloc", p1, 60); talloc_increase_ref_count(p2); torture_assert("realloc", talloc_realloc_size(NULL, p2, 5) == NULL, "failed: talloc_realloc() on a referenced pointer should fail\n"); CHECK_BLOCKS("realloc", p1, 4); talloc_realloc_size(NULL, p2, 0); talloc_realloc_size(NULL, p2, 0); CHECK_BLOCKS("realloc", p1, 4); talloc_realloc_size(p1, p2, 0); CHECK_BLOCKS("realloc", p1, 3); torture_assert("realloc", talloc_realloc_size(NULL, p1, 0x7fffffff) == NULL, "failed: oversize talloc should fail\n"); talloc_realloc_size(NULL, p1, 0); CHECK_BLOCKS("realloc", root, 4); talloc_realloc_size(root, p1, 0); CHECK_BLOCKS("realloc", root, 1); CHECK_SIZE("realloc", root, 0); talloc_free(root); printf("success: realloc\n"); return true; } /* test realloc with a child */ static bool test_realloc_child(void) { void *root; struct el2 { const char *name; } *el2; struct el1 { int count; struct el2 **list, **list2, **list3; } *el1; printf("test: REALLOC WITH CHILD\n"); root = talloc_new(NULL); el1 = talloc(root, struct el1); el1->list = talloc(el1, struct el2 *); el1->list[0] = talloc(el1->list, struct el2); el1->list[0]->name = talloc_strdup(el1->list[0], "testing"); el1->list2 = talloc(el1, struct el2 *); el1->list2[0] = talloc(el1->list2, struct el2); el1->list2[0]->name = talloc_strdup(el1->list2[0], "testing2"); el1->list3 = talloc(el1, struct el2 *); el1->list3[0] = talloc(el1->list3, struct el2); el1->list3[0]->name = talloc_strdup(el1->list3[0], "testing2"); el2 = talloc(el1->list, struct el2); el2 = talloc(el1->list2, struct el2); el2 = talloc(el1->list3, struct el2); el1->list = talloc_realloc(el1, el1->list, struct el2 *, 100); el1->list2 = talloc_realloc(el1, el1->list2, struct el2 *, 200); el1->list3 = talloc_realloc(el1, el1->list3, struct el2 *, 300); talloc_free(root); printf("success: REALLOC WITH CHILD\n"); return true; } /* test type checking */ static bool test_type(void) { void *root; struct el1 { int count; }; struct el2 { int count; }; struct el1 *el1; printf("test: type\n# talloc type checking\n"); root = talloc_new(NULL); el1 = talloc(root, struct el1); el1->count = 1; torture_assert("type", talloc_get_type(el1, struct el1) == el1, "type check failed on el1\n"); torture_assert("type", talloc_get_type(el1, struct el2) == NULL, "type check failed on el1 with el2\n"); talloc_set_type(el1, struct el2); torture_assert("type", talloc_get_type(el1, struct el2) == (struct el2 *)el1, "type set failed on el1 with el2\n"); talloc_free(root); printf("success: type\n"); return true; } /* test steal */ static bool test_steal(void) { void *root, *p1, *p2; printf("test: steal\n# STEAL\n"); root = talloc_new(NULL); p1 = talloc_array(root, char, 10); CHECK_SIZE("steal", p1, 10); p2 = talloc_realloc(root, NULL, char, 20); CHECK_SIZE("steal", p1, 10); CHECK_SIZE("steal", root, 30); torture_assert("steal", talloc_steal(p1, NULL) == NULL, "failed: stealing NULL should give NULL\n"); torture_assert("steal", talloc_steal(p1, p1) == p1, "failed: stealing to ourselves is a nop\n"); CHECK_BLOCKS("steal", root, 3); CHECK_SIZE("steal", root, 30); talloc_steal(NULL, p1); talloc_steal(NULL, p2); CHECK_BLOCKS("steal", root, 1); CHECK_SIZE("steal", root, 0); talloc_free(p1); talloc_steal(root, p2); CHECK_BLOCKS("steal", root, 2); CHECK_SIZE("steal", root, 20); talloc_free(p2); CHECK_BLOCKS("steal", root, 1); CHECK_SIZE("steal", root, 0); talloc_free(root); p1 = talloc_size(NULL, 3); talloc_report_full(NULL, stderr); CHECK_SIZE("steal", NULL, 3); talloc_free(p1); printf("success: steal\n"); return true; } /* test move */ static bool test_move(void) { void *root; struct t_move { char *p; int *x; } *t1, *t2; printf("test: move\n# MOVE\n"); root = talloc_new(NULL); t1 = talloc(root, struct t_move); t2 = talloc(root, struct t_move); t1->p = talloc_strdup(t1, "foo"); t1->x = talloc(t1, int); *t1->x = 42; t2->p = talloc_move(t2, &t1->p); t2->x = talloc_move(t2, &t1->x); torture_assert("move", t1->p == NULL && t1->x == NULL && strcmp(t2->p, "foo") == 0 && *t2->x == 42, "talloc move failed"); talloc_free(root); printf("success: move\n"); return true; } /* test talloc_realloc_fn */ static bool test_realloc_fn(void) { void *root, *p1; printf("test: realloc_fn\n# talloc_realloc_fn\n"); root = talloc_new(NULL); p1 = talloc_realloc_fn(root, NULL, 10); CHECK_BLOCKS("realloc_fn", root, 2); CHECK_SIZE("realloc_fn", root, 10); p1 = talloc_realloc_fn(root, p1, 20); CHECK_BLOCKS("realloc_fn", root, 2); CHECK_SIZE("realloc_fn", root, 20); p1 = talloc_realloc_fn(root, p1, 0); CHECK_BLOCKS("realloc_fn", root, 1); CHECK_SIZE("realloc_fn", root, 0); talloc_free(root); printf("success: realloc_fn\n"); return true; } static bool test_unref_reparent(void) { void *root, *p1, *p2, *c1; printf("test: unref_reparent\n# UNREFERENCE AFTER PARENT FREED\n"); root = talloc_named_const(NULL, 0, "root"); p1 = talloc_named_const(root, 1, "orig parent"); p2 = talloc_named_const(root, 1, "parent by reference"); c1 = talloc_named_const(p1, 1, "child"); talloc_reference(p2, c1); CHECK_PARENT("unref_reparent", c1, p1); talloc_free(p1); CHECK_PARENT("unref_reparent", c1, p2); talloc_unlink(p2, c1); CHECK_SIZE("unref_reparent", root, 1); talloc_free(p2); talloc_free(root); printf("success: unref_reparent\n"); return true; } /* measure the speed of talloc versus malloc */ static bool test_speed(void) { void *ctx = talloc_new(NULL); unsigned count; const int loop = 1000; int i; struct timeval tv; printf("test: speed\n# TALLOC VS MALLOC SPEED\n"); tv = timeval_current(); count = 0; do { void *p1, *p2, *p3; for (i=0;i<loop;i++) { p1 = talloc_size(ctx, loop % 100); p2 = talloc_strdup(p1, "foo bar"); p3 = talloc_size(p1, 300); talloc_free(p1); } count += 3 * loop; } while (timeval_elapsed(&tv) < 5.0); fprintf(stderr, "talloc: %.0f ops/sec\n", count/timeval_elapsed(&tv)); talloc_free(ctx); ctx = talloc_pool(NULL, 1024); tv = timeval_current(); count = 0; do { void *p1, *p2, *p3; for (i=0;i<loop;i++) { p1 = talloc_size(ctx, loop % 100); p2 = talloc_strdup(p1, "foo bar"); p3 = talloc_size(p1, 300); talloc_free_children(ctx); } count += 3 * loop; } while (timeval_elapsed(&tv) < 5.0); talloc_free(ctx); fprintf(stderr, "talloc_pool: %.0f ops/sec\n", count/timeval_elapsed(&tv)); tv = timeval_current(); count = 0; do { void *p1, *p2, *p3; for (i=0;i<loop;i++) { p1 = malloc(loop % 100); p2 = strdup("foo bar"); p3 = malloc(300); free(p1); free(p2); free(p3); } count += 3 * loop; } while (timeval_elapsed(&tv) < 5.0); fprintf(stderr, "malloc: %.0f ops/sec\n", count/timeval_elapsed(&tv)); printf("success: speed\n"); return true; } static bool test_lifeless(void) { void *top = talloc_new(NULL); char *parent, *child; void *child_owner = talloc_new(NULL); printf("test: lifeless\n# TALLOC_UNLINK LOOP\n"); parent = talloc_strdup(top, "parent"); child = talloc_strdup(parent, "child"); (void)talloc_reference(child, parent); (void)talloc_reference(child_owner, child); talloc_report_full(top, stderr); talloc_unlink(top, parent); talloc_unlink(top, child); talloc_report_full(top, stderr); talloc_free(top); talloc_free(child_owner); talloc_free(child); printf("success: lifeless\n"); return true; } static int loop_destructor_count; static int test_loop_destructor(char *ptr) { loop_destructor_count++; return 0; } static bool test_loop(void) { void *top = talloc_new(NULL); char *parent; struct req1 { char *req2, *req3; } *req1; printf("test: loop\n# TALLOC LOOP DESTRUCTION\n"); parent = talloc_strdup(top, "parent"); req1 = talloc(parent, struct req1); req1->req2 = talloc_strdup(req1, "req2"); talloc_set_destructor(req1->req2, test_loop_destructor); req1->req3 = talloc_strdup(req1, "req3"); (void)talloc_reference(req1->req3, req1); talloc_report_full(top, stderr); talloc_free(parent); talloc_report_full(top, stderr); talloc_report_full(NULL, stderr); talloc_free(top); torture_assert("loop", loop_destructor_count == 1, "FAILED TO FIRE LOOP DESTRUCTOR\n"); loop_destructor_count = 0; printf("success: loop\n"); return true; } static int fail_destructor_str(char *ptr) { return -1; } static bool test_free_parent_deny_child(void) { void *top = talloc_new(NULL); char *level1; char *level2; char *level3; printf("test: free_parent_deny_child\n# TALLOC FREE PARENT DENY CHILD\n"); level1 = talloc_strdup(top, "level1"); level2 = talloc_strdup(level1, "level2"); level3 = talloc_strdup(level2, "level3"); talloc_set_destructor(level3, fail_destructor_str); talloc_free(level1); talloc_set_destructor(level3, NULL); CHECK_PARENT("free_parent_deny_child", level3, top); talloc_free(top); printf("success: free_parent_deny_child\n"); return true; } static bool test_talloc_ptrtype(void) { void *top = talloc_new(NULL); struct struct1 { int foo; int bar; } *s1, *s2, **s3, ***s4; const char *location1; const char *location2; const char *location3; const char *location4; printf("test: ptrtype\n# TALLOC PTRTYPE\n"); s1 = talloc_ptrtype(top, s1);location1 = __location__; if (talloc_get_size(s1) != sizeof(struct struct1)) { printf("failure: ptrtype [\n" "talloc_ptrtype() allocated the wrong size %lu (should be %lu)\n" "]\n", (unsigned long)talloc_get_size(s1), (unsigned long)sizeof(struct struct1)); return false; } if (strcmp(location1, talloc_get_name(s1)) != 0) { printf("failure: ptrtype [\n" "talloc_ptrtype() sets the wrong name '%s' (should be '%s')\n]\n", talloc_get_name(s1), location1); return false; } s2 = talloc_array_ptrtype(top, s2, 10);location2 = __location__; if (talloc_get_size(s2) != (sizeof(struct struct1) * 10)) { printf("failure: ptrtype [\n" "talloc_array_ptrtype() allocated the wrong size " "%lu (should be %lu)\n]\n", (unsigned long)talloc_get_size(s2), (unsigned long)(sizeof(struct struct1)*10)); return false; } if (strcmp(location2, talloc_get_name(s2)) != 0) { printf("failure: ptrtype [\n" "talloc_array_ptrtype() sets the wrong name '%s' (should be '%s')\n]\n", talloc_get_name(s2), location2); return false; } s3 = talloc_array_ptrtype(top, s3, 10);location3 = __location__; if (talloc_get_size(s3) != (sizeof(struct struct1 *) * 10)) { printf("failure: ptrtype [\n" "talloc_array_ptrtype() allocated the wrong size " "%lu (should be %lu)\n]\n", (unsigned long)talloc_get_size(s3), (unsigned long)(sizeof(struct struct1 *)*10)); return false; } torture_assert_str_equal("ptrtype", location3, talloc_get_name(s3), "talloc_array_ptrtype() sets the wrong name"); s4 = talloc_array_ptrtype(top, s4, 10);location4 = __location__; if (talloc_get_size(s4) != (sizeof(struct struct1 **) * 10)) { printf("failure: ptrtype [\n" "talloc_array_ptrtype() allocated the wrong size " "%lu (should be %lu)\n]\n", (unsigned long)talloc_get_size(s4), (unsigned long)(sizeof(struct struct1 **)*10)); return false; } torture_assert_str_equal("ptrtype", location4, talloc_get_name(s4), "talloc_array_ptrtype() sets the wrong name"); talloc_free(top); printf("success: ptrtype\n"); return true; } static int _test_talloc_free_in_destructor(void **ptr) { talloc_free(*ptr); return 0; } static bool test_talloc_free_in_destructor(void) { void *level0; void *level1; void *level2; void *level3; void *level4; void **level5; printf("test: free_in_destructor\n# TALLOC FREE IN DESTRUCTOR\n"); level0 = talloc_new(NULL); level1 = talloc_new(level0); level2 = talloc_new(level1); level3 = talloc_new(level2); level4 = talloc_new(level3); level5 = talloc(level4, void *); *level5 = level3; (void)talloc_reference(level0, level3); (void)talloc_reference(level3, level3); (void)talloc_reference(level5, level3); talloc_set_destructor(level5, _test_talloc_free_in_destructor); talloc_free(level1); talloc_free(level0); printf("success: free_in_destructor\n"); return true; } static bool test_autofree(void) { #if _SAMBA_BUILD_ < 4 /* autofree test would kill smbtorture */ void *p; printf("test: autofree\n# TALLOC AUTOFREE CONTEXT\n"); p = talloc_autofree_context(); talloc_free(p); p = talloc_autofree_context(); talloc_free(p); printf("success: autofree\n"); #endif return true; } static bool test_pool(void) { void *pool; void *p1, *p2, *p3, *p4; void *p2_2; pool = talloc_pool(NULL, 1024); p1 = talloc_size(pool, 80); p2 = talloc_size(pool, 20); p3 = talloc_size(p1, 50); p4 = talloc_size(p3, 1000); #if 1 /* this relies on ALWAYS_REALLOC == 0 in talloc.c */ p2_2 = talloc_realloc_size(pool, p2, 20+1); torture_assert("pool realloc 20+1", p2_2 == p2, "failed: pointer changed"); p2_2 = talloc_realloc_size(pool, p2, 20-1); torture_assert("pool realloc 20-1", p2_2 == p2, "failed: pointer changed"); p2_2 = talloc_realloc_size(pool, p2, 20-1); torture_assert("pool realloc 20-1", p2_2 == p2, "failed: pointer changed"); talloc_free(p3); /* this should reclaim the memory of p4 and p3 */ p2_2 = talloc_realloc_size(pool, p2, 400); torture_assert("pool realloc 400", p2_2 == p2, "failed: pointer changed"); talloc_free(p1); /* this should reclaim the memory of p1 */ p2_2 = talloc_realloc_size(pool, p2, 800); torture_assert("pool realloc 800", p2_2 == p1, "failed: pointer not changed"); p2 = p2_2; /* this should do a malloc */ p2_2 = talloc_realloc_size(pool, p2, 1800); torture_assert("pool realloc 1800", p2_2 != p2, "failed: pointer not changed"); p2 = p2_2; /* this should reclaim the memory from the pool */ p3 = talloc_size(pool, 80); torture_assert("pool alloc 80", p3 == p1, "failed: pointer changed"); talloc_free(p2); talloc_free(p3); p1 = talloc_size(pool, 80); p2 = talloc_size(pool, 20); talloc_free(p1); p2_2 = talloc_realloc_size(pool, p2, 20-1); torture_assert("pool realloc 20-1", p2_2 == p2, "failed: pointer changed"); p2_2 = talloc_realloc_size(pool, p2, 20-1); torture_assert("pool realloc 20-1", p2_2 == p2, "failed: pointer changed"); /* this should do a malloc */ p2_2 = talloc_realloc_size(pool, p2, 1800); torture_assert("pool realloc 1800", p2_2 != p2, "failed: pointer not changed"); p2 = p2_2; /* this should reclaim the memory from the pool */ p3 = talloc_size(pool, 800); torture_assert("pool alloc 800", p3 == p1, "failed: pointer changed"); #endif /* this relies on ALWAYS_REALLOC == 0 in talloc.c */ talloc_free(pool); return true; } static bool test_free_ref_null_context(void) { void *p1, *p2, *p3; int ret; talloc_disable_null_tracking(); p1 = talloc_new(NULL); p2 = talloc_new(NULL); p3 = talloc_reference(p2, p1); torture_assert("reference", p3 == p1, "failed: reference on null"); ret = talloc_free(p1); torture_assert("ref free with null parent", ret == 0, "failed: free with null parent"); talloc_free(p2); talloc_enable_null_tracking_no_autofree(); p1 = talloc_new(NULL); p2 = talloc_new(NULL); p3 = talloc_reference(p2, p1); torture_assert("reference", p3 == p1, "failed: reference on null"); ret = talloc_free(p1); torture_assert("ref free with null tracked parent", ret == 0, "failed: free with null parent"); talloc_free(p2); return true; } static bool test_rusty(void) { void *root; const char *p1; talloc_enable_null_tracking(); root = talloc_new(NULL); p1 = talloc_strdup(root, "foo"); talloc_increase_ref_count(p1); talloc_report_full(root, stdout); talloc_free(root); return true; } static void test_reset(void) { talloc_set_log_fn(test_log_stdout); test_abort_stop(); talloc_disable_null_tracking(); talloc_enable_null_tracking_no_autofree(); } bool torture_local_talloc(struct torture_context *tctx) { bool ret = true; setlinebuf(stdout); test_reset(); ret &= test_ref1(); test_reset(); ret &= test_ref2(); test_reset(); ret &= test_ref3(); test_reset(); ret &= test_ref4(); test_reset(); ret &= test_unlink1(); test_reset(); ret &= test_misc(); test_reset(); ret &= test_realloc(); test_reset(); ret &= test_realloc_child(); test_reset(); ret &= test_steal(); test_reset(); ret &= test_move(); test_reset(); ret &= test_unref_reparent(); test_reset(); ret &= test_realloc_fn(); test_reset(); ret &= test_type(); test_reset(); ret &= test_lifeless(); test_reset(); ret &= test_loop(); test_reset(); ret &= test_free_parent_deny_child(); test_reset(); ret &= test_talloc_ptrtype(); test_reset(); ret &= test_talloc_free_in_destructor(); test_reset(); ret &= test_pool(); test_reset(); ret &= test_free_ref_null_context(); test_reset(); ret &= test_rusty(); if (ret) { test_reset(); ret &= test_speed(); } test_reset(); ret &= test_autofree(); test_reset(); talloc_disable_null_tracking(); return ret; }