libstdc++/tests/tmap.cc

   1 #include <map.h>
   2 #include <algo.h>
   3 #include <iostream.h>
   4 #include <function.h>
   5
   6 int SIZE;
   7
   8 #if 0
   9 /* Crashes compiler */
  10 #define int_less less<int>
  11 #else
  12 struct int_less {
  13   bool operator() (int x, int y) const { return x < y; }
  14 };
  15 struct str_less {
  16   bool operator() (char* x, char* y) const { return strcmp(x,y) < 0; }
  17 };
  18 #endif
  19
  20 #if 0
  21 void add(int x[], int y[], map<int,int, int_less>& a)
  22 {
  23   for (int i = 0; i < SIZE; ++i) a[x[i]] = y[i];
  24 }
  25 #endif
  26
  27 int
  28 main(int argv, char** argc)
  29 {
  30 #if 0
  31   if (argv > 1)
  32   {
  33     SIZE = abs(atoi(argc[1]));
  34     SIZE &= ~1;
  35   }
  36   else
  37     SIZE = 100;
  38   nums = new int[SIZE];
  39   odds = new int[SIZE];
  40   perm = new int[SIZE];
  41 #endif
  42
  43   map<int, int, int_less> my_map;
  44
  45   map<char*, int, str_less> phones;
  46
  47   my_map[4] = 40;
  48   my_map[2] = 20;
  49
  50   // The (char*) is needed because g++ doesn't
  51   // convert char[] to char* in this context.
  52   phones[(char*)"tom"] = 2345;
  53   phones[(char*)"dick"] = 5678;
  54   phones[(char*)"harry"] = 7654;
  55
  56   cout << "2 -> " << my_map[2] << endl;
  57   cout << "4 -> " << my_map[4] << endl;
  58
  59   map<int, int, int_less>::iterator it = my_map.begin();
  60   for ( ; it != my_map.end(); it++)
  61     cout << "my_map[" << (*it).first << "] = " << (*it).second << endl;
  62
  63   map<char*, int, str_less>::iterator pit = phones.begin();
  64   for ( ; pit != phones.end(); pit++)
  65     cout << "phones[" << (*pit).first << "] = " << (*pit).second << endl;
  66 }
  67
  68 template class __malloc_alloc_template<0>;
  69 template class __default_alloc_template<false, 0>;