lib/util/tests/idtree.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    local testing of idtree routines.
   5
   6    Copyright (C) Andrew Tridgell 2004
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 3 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20 */
  21
  22 #include "includes.h"
  23 #include "torture/torture.h"
  24 #include "torture/local/proto.h"
  25
  26 static bool torture_local_idtree_simple(struct torture_context *tctx)
  27 {
  28         struct idr_context *idr;
  29         int i, ret;
  30         int *ids;
  31         int *present;
  32         extern int torture_numops;
  33         int n = torture_numops;
  34         TALLOC_CTX *mem_ctx = tctx;
  35
  36         idr = idr_init(mem_ctx);
  37
  38         ids = talloc_zero_array(mem_ctx, int, n);
  39         present = talloc_zero_array(mem_ctx, int, n);
  40
  41         for (i=0;i<n;i++) {
  42                 ids[i] = -1;
  43         }
  44
  45         for (i=0;i<n;i++) {
  46                 int ii = random() % n;
  47                 void *p = idr_find(idr, ids[ii]);
  48                 if (present[ii]) {
  49                         if (p != &ids[ii]) {
  50                                 torture_fail(tctx, talloc_asprintf(tctx,
  51                                                 "wrong ptr at %d - %p should be %p",
  52                                        ii, p, &ids[ii]));
  53                         }
  54                         if (random() % 7 == 0) {
  55                                 if (idr_remove(idr, ids[ii]) != 0) {
  56                                         torture_fail(tctx, talloc_asprintf(tctx,
  57                                                 "remove failed at %d (id=%d)",
  58                                                i, ids[ii]));
  59                                 }
  60                                 present[ii] = 0;
  61                                 ids[ii] = -1;
  62                         }
  63                 } else {
  64                         if (p != NULL) {
  65                                 torture_fail(tctx,
  66                                              talloc_asprintf(tctx,
  67                                                              "non-present at %d gave %p (would be %d)",
  68                                                              ii, p,
  69                                                              (int)((((char *)p) - (char *)(&ids[0])) / sizeof(int))));
  70                         }
  71                         if (random() % 5) {
  72                                 ids[ii] = idr_get_new(idr, &ids[ii], n);
  73                                 if (ids[ii] < 0) {
  74                                         torture_fail(tctx, talloc_asprintf(tctx,
  75                                                 "alloc failure at %d (ret=%d)",
  76                                                ii, ids[ii]));
  77                                 } else {
  78                                         present[ii] = 1;
  79                                 }
  80                         }
  81                 }
  82         }
  83
  84         torture_comment(tctx, "done %d random ops\n", i);
  85
  86         for (i=0;i<n;i++) {
  87                 if (present[i]) {
  88                         if (idr_remove(idr, ids[i]) != 0) {
  89                                 torture_fail(tctx, talloc_asprintf(tctx,
  90                                                 "delete failed on cleanup at %d (id=%d)",
  91                                        i, ids[i]));
  92                         }
  93                 }
  94         }
  95
  96         /* now test some limits */
  97         for (i=0;i<25000;i++) {
  98                 ret = idr_get_new_above(idr, &ids[0], random() % 25000, 0x10000-3);
  99                 torture_assert(tctx, ret != -1, "idr_get_new_above failed");
 100         }
 101
 102         ret = idr_get_new_above(idr, &ids[0], 0x10000-2, 0x10000);
 103         torture_assert_int_equal(tctx, ret, 0x10000-2, "idr_get_new_above failed");
 104         ret = idr_get_new_above(idr, &ids[0], 0x10000-1, 0x10000);
 105         torture_assert_int_equal(tctx, ret, 0x10000-1, "idr_get_new_above failed");
 106         ret = idr_get_new_above(idr, &ids[0], 0x10000, 0x10000);
 107         torture_assert_int_equal(tctx, ret, 0x10000, "idr_get_new_above failed");
 108         ret = idr_get_new_above(idr, &ids[0], 0x10000+1, 0x10000);
 109         torture_assert_int_equal(tctx, ret, -1, "idr_get_new_above succeeded above limit");
 110         ret = idr_get_new_above(idr, &ids[0], 0x10000+2, 0x10000);
 111         torture_assert_int_equal(tctx, ret, -1, "idr_get_new_above succeeded above limit");
 112
 113         torture_comment(tctx, "cleaned up\n");
 114         return true;
 115 }
 116
 117 struct torture_suite *torture_local_idtree(TALLOC_CTX *mem_ctx)
 118 {
 119         struct torture_suite *suite = torture_suite_create(mem_ctx, "idtree");
 120         torture_suite_add_simple_test(suite, "idtree", torture_local_idtree_simple);
 121         return suite;
 122 }