testDataStream.cxx

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#include "rutil/DataStream.hxx"

#include "rutil/Data.hxx"
#include "assert.h"
#include <iostream>

using namespace resip;
using namespace std;

int main()
{
   {
      // test overflow and synch with flush
      char buf[16];
      Data data(Data::Borrow, buf, sizeof(buf));
      data.clear();

      DataStream str(data);
      for (int i = 0; i < 32; ++i) {
         str << 'a';
         str.flush();
      }
   }

   {
      Data foo;
      {
         oDataStream str(foo);

         str << "some characters " << 42 << " for foo";
         str << "some more characters " << 24 << " for foo";

         str.flush();

         str << "some a few more characters ";

         str.reset();

         str << "all that remains";
      }

      std::cerr << "!! " << foo << std::endl;

      assert(foo == "all that remains");
   }

   {
      Data d;
      d = ("  SIP invitations used to create sessions carry session descriptions\n"
         "that allow participants to agree on a set of compatible media types.\n"
         "SIP makes use of elements called proxy servers to help route requests\n"
         "to the user's current location, authenticate and authorize users for\n"
         "services, implement provider call-routing policies, and provide\n"
         "features to users.  SIP also provides a registration function that\n"
         "allows users to upload their current locations for use by proxy\n"
         "servers.  SIP runs on top of several different transport protocols."
         );

      d.clear();
      DataStream s(d);
      s << "all the kings horses and all the kings men...";
      s.flush();

      cerr << d.size() << endl;
      cerr << d.c_str();

      assert(strcmp(d.c_str(), "all the kings horses and all the kings men...") == 0);
   }

   {
      Data d;
      DataStream ds(d);

      Data foo("foo");

      ds << "Here is some stuff " << foo << 17 << ' ' << 'c' << ' ' << -157 << endl;
      cerr << "!! <" << d << ">" << endl;
      ds.flush();
      assert(d == "Here is some stuff foo17 c -157\n");
      assert(strlen(d.c_str()) == d.size());
   }
   {
      Data d(500, Data::Preallocate);
      DataStream ds(d);

      Data foo("foo");

      ds << "Here is some stuff " << foo << 17 << ' ' << 'c' << ' ' << -157 << endl;
      cerr << "!! <" << d << ">" << endl;
      ds.flush();
      assert(d == "Here is some stuff foo17 c -157\n");
      assert(strlen(d.c_str()) == d.size());
   }

   {
      Data d(3, Data::Preallocate);
      DataStream ds(d);

      for (int i = 0; i < 200; i++)
      {
         ds << Data(i) << ' ';
      }

      ds.flush();

      assert(d == "0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 ");
   }

   cerr << "All OK" << endl;
   return 0;
}
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