git.m6w6.name Git - awesomized/libmemcached/blob - libtest/vchar.cc

   1 /*  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
   2  *
   3  *  Data Differential YATL (i.e. libtest)  library
   4  *
   5  *  Copyright (C) 2012 Data Differential, http://datadifferential.com/
   6  *
   7  *  Redistribution and use in source and binary forms, with or without
   8  *  modification, are permitted provided that the following conditions are
   9  *  met:
  10  *
  11  *      * Redistributions of source code must retain the above copyright
  12  *  notice, this list of conditions and the following disclaimer.
  13  *
  14  *      * Redistributions in binary form must reproduce the above
  15  *  copyright notice, this list of conditions and the following disclaimer
  16  *  in the documentation and/or other materials provided with the
  17  *  distribution.
  18  *
  19  *      * The names of its contributors may not be used to endorse or
  20  *  promote products derived from this software without specific prior
  21  *  written permission.
  22  *
  23  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  24  *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  25  *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  26  *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  27  *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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  29  *  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  30  *  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  31  *  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  32  *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  33  *  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  34  *
  35  */
  36
  37 #include "libtest/yatlcon.h"
  38 #include <libtest/common.h>
  39
  40 /* Use this for string generation */
  41 static const char ALPHANUMERICS[]=
  42   "0123456789ABCDEFGHIJKLMNOPQRSTWXYZabcdefghijklmnopqrstuvwxyz";
  43
  44 #define ALPHANUMERICS_SIZE (sizeof(ALPHANUMERICS)-1)
  45
  46 static size_t get_alpha_num(void)
  47 {
  48   return (size_t)random() % ALPHANUMERICS_SIZE;
  49 }
  50
  51 namespace libtest {
  52
  53 static std::string printer(const char *str, size_t length)
  54 {
  55   std::ostringstream buf;
  56   for (size_t x= 0; x < length; x++)
  57   {
  58     if (isprint(str[x]))
  59     {
  60       buf << str[x];
  61     }
  62     else
  63     {
  64       buf << "(" << int(str[x]) << ")";
  65     }
  66   }
  67
  68   return buf.str();
  69 }
  70
  71 namespace vchar {
  72
  73 int compare(libtest::vchar_t& arg, const char *str, size_t length)
  74 {
  75   if (arg.size() == length and (memcmp(&arg[0], str, length) == 0))
  76   {
  77     return 0;
  78   }
  79   else if (arg.size() > length)
  80   {
  81     return 1;
  82   }
  83
  84   return -1;
  85 }
  86
  87 void make(libtest::vchar_t& arg)
  88 {
  89   size_t length= rand() % 1024;
  90   make(arg, length);
  91 }
  92
  93 void make(libtest::vchar_t& arg, size_t length)
  94 {
  95   arg.reserve(length);
  96   for (uint32_t x= 0; x < length; ++x)
  97   {
  98     arg.push_back(ALPHANUMERICS[get_alpha_num()]);
  99   }
 100 }
 101
 102 void chomp(libtest::vchar_t& arg)
 103 {
 104   while(arg.size())
 105   {
 106     if (arg.back() == 0)
 107     {
 108       arg.pop_back();
 109     }
 110     else
 111     {
 112       break;
 113     }
 114   }
 115 }
 116
 117 void append(libtest::vchar_ptr_t& arg, const char* ptr)
 118 {
 119   if (ptr)
 120   {
 121     char* new_ptr= strdup(ptr);
 122     if (new_ptr == NULL)
 123     {
 124       fatal_message("UNABLE to allocate %s(%p)", ptr, ptr);
 125     }
 126
 127     arg.push_back(new_ptr);
 128   }
 129 }
 130
 131 void append(libtest::vchar_t& arg, const char* ptr)
 132 {
 133   if (ptr)
 134   {
 135     size_t length= strlen(ptr);
 136     ASSERT_TRUE(length);
 137     arg.reserve(length);
 138     do
 139     {
 140       arg.push_back(*ptr);
 141       ++ptr;
 142     } while (*ptr);
 143
 144     arg.push_back(0);
 145   }
 146 }
 147
 148 } // namespace vchar
 149
 150 void make_vector(libtest::vchar_t& arg, const char *str, size_t length)
 151 {
 152   arg.resize(length);
 153   memcpy(&arg[0], str, length);
 154 }
 155
 156 std::ostream& operator<<(std::ostream& output, const libtest::vchar_t& arg)
 157 {
 158   std::string tmp= libtest::printer(&arg[0], arg.size());
 159   output << tmp <<  "[" << arg.size() << "]";
 160
 161   return output;
 162 }
 163
 164 } // namespace libtest