ETL/test/smart_ptr.cpp

   1 /*! ========================================================================
   2 ** Extended Template and Library Test Suite
   3 ** Smart Pointer Template Class Test
   4 ** $Id$
   5 **
   6 ** Copyright (c) 2002 Robert B. Quattlebaum Jr.
   7 **
   8 ** This package is free software; you can redistribute it and/or
   9 ** modify it under the terms of the GNU General Public License as
  10 ** published by the Free Software Foundation; either version 2 of
  11 ** the License, or (at your option) any later version.
  12 **
  13 ** This package 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 GNU
  16 ** General Public License for more details.
  17 **
  18 ** === N O T E S ===========================================================
  19 **
  20 ** ========================================================================= */
  21
  22 //#define DEBUGPOINT()  fprintf(stderr,__FILE__":%d: DEBUGPOINT\n",__LINE__)
  23 #define DEBUGPOINT()
  24
  25 /* === H E A D E R S ======================================================= */
  26
  27 #include <ETL/smart_ptr>
  28 #include <list>
  29 #include <stdio.h>
  30 #include <stdlib.h>
  31 #include <string>
  32 #include <map>
  33
  34 /* === M A C R O S ========================================================= */
  35
  36 #define NUMBER_OF_OBJECTS       40000
  37 using namespace std;
  38
  39
  40 /* === C L A S S E S ======================================================= */
  41
  42 struct my_test_obj
  43 {
  44         static int instance_count;
  45         int my_id;
  46         my_test_obj(int my_id=0):my_id(my_id)
  47         {
  48                 instance_count++;
  49         }
  50
  51         virtual ~my_test_obj()
  52         {
  53                 if(instance_count==0)
  54                         printf("Error, instance count is going past zero!\n");
  55                 instance_count--;
  56         }
  57
  58         bool operator<(const my_test_obj &rhs)const
  59         {
  60                 return my_id<rhs.my_id;
  61         }
  62 };
  63
  64 struct my_other_test_obj : public my_test_obj
  65 {
  66         static int instance_count;
  67         my_other_test_obj(int my_id=0):my_test_obj(my_id)
  68         {
  69                 instance_count++;
  70         }
  71         virtual ~my_other_test_obj()
  72         {
  73                 if(instance_count==0)
  74                         printf("Error, instance count is going past zero!\n");
  75                 instance_count--;
  76         }
  77 };
  78
  79 int my_test_obj::instance_count=0;
  80 int my_other_test_obj::instance_count=0;
  81
  82 typedef etl::smart_ptr<my_test_obj> obj_smart_ptr;
  83 typedef etl::smart_ptr<my_other_test_obj> other_obj_smart_ptr;
  84 typedef list< obj_smart_ptr > obj_list;
  85 typedef list< other_obj_smart_ptr > other_obj_list;
  86
  87 int smart_ptr_basic_test(void)
  88 {
  89         printf("smart_ptr: Size of a smart_ptr: %u\n",(unsigned int)sizeof(obj_smart_ptr));
  90         printf("smart_ptr: Size of a reference_counter: %u\n",(unsigned int)sizeof(etl::reference_counter));
  91
  92
  93         printf("smart_ptr: Basic test: ");
  94         my_test_obj::instance_count=0;
  95
  96         {
  97                 etl::smart_ptr<my_test_obj> obj_smart_ptr(new my_test_obj(rand()));
  98         }
  99
 100         if(my_test_obj::instance_count!=0)
 101         {
 102                 printf("FAILED!\n");
 103                 printf(__FILE__":%d: on create/destroy, instance count=%d, should be zero.\n",__LINE__,my_test_obj::instance_count);
 104                 return 1;
 105         }
 106
 107         {
 108                 DEBUGPOINT();
 109                 map<string,etl::smart_ptr<my_test_obj> > my_map;
 110                 DEBUGPOINT();
 111                 //etl::smart_ptr<my_test_obj> obj_smart_ptr(new my_test_obj(rand()));
 112                 etl::smart_ptr<my_test_obj> temp;
 113                 temp.spawn();
 114                 DEBUGPOINT();
 115                 temp.reset();
 116                 DEBUGPOINT();
 117                 my_map["bleh"]=temp;
 118                 DEBUGPOINT();
 119         }
 120
 121         if(my_test_obj::instance_count!=0)
 122         {
 123                 printf("FAILED!\n");
 124                 printf(__FILE__":%d: on create/destroy, instance count=%d, should be zero.\n",__LINE__,my_test_obj::instance_count);
 125                 return 1;
 126         }
 127
 128         etl::smart_ptr<my_test_obj> obj_smart_ptr(new my_test_obj(rand()));
 129
 130         if(obj_smart_ptr != obj_smart_ptr.constant())
 131         {
 132                 printf("FAILED!\n");
 133                 printf(__FILE__":%d: on call to smart_ptr<>::constant().\n",__LINE__);
 134                 return 1;
 135         }
 136
 137         printf("PASSED\n");
 138
 139         return 0;
 140 }
 141
 142 int smart_ptr_general_use_test(void)
 143 {
 144         printf("smart_ptr: General-use test: ");
 145         my_test_obj::instance_count=0;
 146
 147         obj_list my_list, my_other_list;
 148         int i;
 149
 150         for(i=0;i<NUMBER_OF_OBJECTS;i++)
 151                 my_list.push_back( obj_smart_ptr(new my_test_obj(rand())) );
 152
 153         my_other_list=my_list;
 154         if(my_test_obj::instance_count!=NUMBER_OF_OBJECTS)
 155         {
 156                 printf("FAILED!\n");
 157                 printf(__FILE__":%d: On copy, instance count=%d, should be %d.\n",__LINE__,my_test_obj::instance_count,NUMBER_OF_OBJECTS);
 158                 return 1;
 159         }
 160
 161         my_list.sort();
 162         if(my_test_obj::instance_count!=NUMBER_OF_OBJECTS)
 163         {
 164                 printf("FAILED!\n");
 165                 printf(__FILE__":%d: On copy, instance count=%d, should be %d.\n",__LINE__,my_test_obj::instance_count,NUMBER_OF_OBJECTS);
 166                 return 1;
 167         }
 168
 169         my_list.clear();
 170         if(my_test_obj::instance_count!=NUMBER_OF_OBJECTS)
 171         {
 172                 printf("FAILED!\n");
 173                 printf(__FILE__":%d: On copy's clear, instance count=%d, should be %d.\n",__LINE__,my_test_obj::instance_count,NUMBER_OF_OBJECTS);
 174                 return 1;
 175         }
 176
 177         my_other_list.clear();
 178         if(my_test_obj::instance_count)
 179         {
 180                 printf("FAILED!\n");
 181                 printf(__FILE__":%d: On clear, instance count=%d, should be zero.\n",__LINE__,my_test_obj::instance_count);
 182                 return 1;
 183         }
 184
 185         printf("PASSED\n");
 186
 187         return 0;
 188 }
 189
 190 int smart_ptr_inheritance_test(void)
 191 {
 192         printf("smart_ptr: Inheritance test: ");
 193         my_test_obj::instance_count=0;
 194         my_other_test_obj::instance_count=0;
 195
 196         other_obj_list my_other_list;
 197         int i;
 198
 199         for(i=0;i<NUMBER_OF_OBJECTS;i++)
 200                 my_other_list.push_back( other_obj_smart_ptr(new my_other_test_obj(rand())) );
 201
 202         obj_list my_list(my_other_list.begin(),my_other_list.end());
 203         if(my_test_obj::instance_count!=NUMBER_OF_OBJECTS)
 204         {
 205                 printf("FAILED!\n");
 206                 printf(__FILE__":%d: On copy, instance count=%d, should be %d.\n",__LINE__,my_test_obj::instance_count,NUMBER_OF_OBJECTS);
 207                 return 1;
 208         }
 209
 210         for(i=0;i<NUMBER_OF_OBJECTS;i++)
 211                 my_list.push_back( other_obj_smart_ptr(new my_other_test_obj(rand())) );
 212         if(my_other_test_obj::instance_count!=NUMBER_OF_OBJECTS*2 ||
 213            my_test_obj::instance_count!=my_other_test_obj::instance_count)
 214         {
 215                 printf("FAILED!\n");
 216                 printf(__FILE__":%d: On inherited copy, instance count=%d, should be %d.\n",__LINE__,my_test_obj::instance_count,NUMBER_OF_OBJECTS*2);
 217                 return 1;
 218         }
 219
 220         my_list.sort();
 221         my_other_list.sort();
 222         if(my_test_obj::instance_count!=NUMBER_OF_OBJECTS*2)
 223         {
 224                 printf("FAILED!\n");
 225                 printf(__FILE__":%d: On sort, instance count=%d, should be %d.\n",__LINE__,my_test_obj::instance_count,NUMBER_OF_OBJECTS*2);
 226                 return 1;
 227         }
 228
 229         my_list.clear();
 230         if(my_test_obj::instance_count!=NUMBER_OF_OBJECTS)
 231         {
 232                 printf("FAILED!\n");
 233                 printf(__FILE__":%d: On clear, instance count=%d, should be %d.\n",__LINE__,my_test_obj::instance_count,NUMBER_OF_OBJECTS);
 234                 return 1;
 235         }
 236
 237         my_other_list.clear();
 238         if(my_test_obj::instance_count)
 239         {
 240                 printf("FAILED!\n");
 241                 printf(__FILE__":%d: On clear, instance count=%d, should be zero.\n",__LINE__,my_test_obj::instance_count);
 242                 return 1;
 243         }
 244
 245         printf("PASSED\n");
 246
 247         return 0;
 248 }
 249
 250 void test_func(etl::smart_ptr<my_test_obj> smart_ptr __attribute__ ((unused)))
 251 {
 252 }
 253
 254 int loose_smart_ptr_test(void)
 255 {
 256         printf("smart_ptr: loose_smart_ptr test: ");
 257         my_test_obj::instance_count=0;
 258
 259         etl::loose_smart_ptr<my_test_obj> obj_smart_ptr_loose;
 260         etl::smart_ptr<my_test_obj> obj_smart_ptr2;
 261
 262         {
 263                 etl::smart_ptr<my_test_obj> obj_smart_ptr(new my_test_obj(rand()));
 264                 if(my_test_obj::instance_count!=1)
 265                 {
 266                         printf("FAILED!\n");
 267                         printf(__FILE__":%d: on smart_ptr assignment from new object, instance count=%d, should be 1.\n",__LINE__,my_test_obj::instance_count);
 268                         return 1;
 269                 }
 270
 271                 obj_smart_ptr_loose=obj_smart_ptr;
 272                 if(obj_smart_ptr!=obj_smart_ptr_loose)
 273                 {
 274                         printf("FAILED!\n");
 275                         printf(__FILE__":%d: on loose_smart_ptr assignment\n",__LINE__);
 276                         return 1;
 277                 }
 278
 279                 obj_smart_ptr2=obj_smart_ptr_loose;
 280                 if(my_test_obj::instance_count!=1)
 281                 {
 282                         printf("FAILED!\n");
 283                         printf(__FILE__":%d: on smart_ptr assignment from loose_smart_ptr, instance count=%d, should be 1.\n",__LINE__,my_test_obj::instance_count);
 284                         return 1;
 285                 }
 286
 287                 test_func(obj_smart_ptr_loose);
 288                 if(my_test_obj::instance_count!=1)
 289                 {
 290                         printf("FAILED!\n");
 291                         printf(__FILE__":%d: on smart_ptr assignment from loose_smart_ptr, instance count=%d, should be 1.\n",__LINE__,my_test_obj::instance_count);
 292                         return 1;
 293                 }
 294         }
 295
 296         if(my_test_obj::instance_count!=1)
 297         {
 298                 printf("FAILED!\n");
 299                 printf(__FILE__":%d: on create/destroy, instance count=%d, should be 1.\n",__LINE__,my_test_obj::instance_count);
 300                 return 1;
 301         }
 302
 303         printf("PASSED\n");
 304         return 0;
 305 }
 306
 307 /* === E N T R Y P O I N T ================================================= */
 308
 309 int main()
 310 {
 311         int error=0;
 312
 313         error+=smart_ptr_basic_test();
 314         error+=smart_ptr_general_use_test();
 315         error+=smart_ptr_inheritance_test();
 316         error+=loose_smart_ptr_test();
 317
 318         return error;
 319 }