TAO/tests/Param_Test/helper.cpp

   1
   2 //=============================================================================
   3 /**
   4  *  @file    helper.cpp
   5  *
   6  *  Defines a helper class that can generate values for the parameters used
   7  *  for the Param_Test example
   8  *
   9  *  @author Aniruddha Gokhale
  10  */
  11 //=============================================================================
  12
  13
  14 #include "helper.h"
  15 #include "ace/OS_NS_ctype.h"
  16
  17 const CORBA::ULong TEST_BUFSIZE = 128;
  18
  19 Generator::Generator (void)
  20 {
  21 }
  22
  23 Generator::~Generator (void)
  24 {
  25 }
  26
  27 CORBA::Short
  28 Generator::gen_short (void)
  29 {
  30   return (CORBA::Short) (ACE_OS::rand () % TEST_BUFSIZE);
  31 }
  32
  33 CORBA::Long
  34 Generator::gen_long (void)
  35 {
  36   return ::ACE_OS::rand () % TEST_BUFSIZE;
  37 }
  38
  39 char *
  40 Generator::gen_string (void)
  41 {
  42   return gen_string (TEST_BUFSIZE);
  43 }
  44
  45 char *
  46 Generator::gen_string (int max_length)
  47 {
  48   CORBA::ULong len = (CORBA::ULong) (::ACE_OS::rand () % max_length);
  49   char *buf = CORBA::string_alloc (len);
  50   CORBA::ULong i = 0;
  51
  52   while (i < len)
  53     {
  54       int c = ACE_OS::rand () % 128;
  55       if (ACE_OS::ace_isprint (c) && !ACE_OS::ace_isspace (c))
  56         {
  57           buf [i] = c;
  58           i++;
  59         }
  60     }
  61
  62   buf[i] = 0;
  63   return buf;
  64 }
  65
  66 CORBA::WChar *
  67 Generator::gen_wstring (void)
  68 {
  69   return gen_wstring (TEST_BUFSIZE);
  70 }
  71
  72 CORBA::WChar *
  73 Generator::gen_wstring (int max_length)
  74 {
  75   CORBA::ULong len = (CORBA::ULong) (::ACE_OS::rand () % max_length);
  76   CORBA::WChar *buf = CORBA::wstring_alloc (len);
  77   CORBA::ULong i = 0;
  78   CORBA::WChar limit =
  79     ACE_OutputCDR::wchar_maxbytes() == 1 ? ACE_OCTET_MAX : ACE_WCHAR_MAX;
  80   while (i < len)
  81     {
  82       CORBA::WChar wc = ACE_OS::rand () % limit;
  83       if (wc)
  84         {
  85           buf[i] = wc;
  86           i++;
  87         }
  88     }
  89
  90   buf[i] = 0;
  91   return buf;
  92 }
  93
  94 const Param_Test::Fixed_Struct
  95 Generator::gen_fixed_struct (void)
  96 {
  97   this->fixed_struct_.l = ACE_OS::rand ();
  98   this->fixed_struct_.c = ACE_OS::rand () % 128;
  99   this->fixed_struct_.s = (CORBA::Short) ACE_OS::rand ();
 100   this->fixed_struct_.o = ACE_OS::rand () % 128;
 101   this->fixed_struct_.f = (CORBA::Float) (ACE_OS::rand () * 1.0);
 102   this->fixed_struct_.b = (CORBA::Boolean) (ACE_OS::rand () % 2);
 103   this->fixed_struct_.d = (ACE_OS::rand () * 1.0);
 104   return this->fixed_struct_;
 105 }
 106
 107 const Param_Test::Step
 108 Generator::gen_step (void)
 109 {
 110   this->step_.name.id = this->gen_string ();
 111   this->step_.name.kind = this->gen_string ();
 112   this->step_.process = (CORBA::Boolean) (ACE_OS::rand () % 2);
 113   return this->step_;
 114 }
 115
 116 ACE_SINGLETON_TEMPLATE_INSTANTIATE(ACE_Singleton, Generator,  ACE_Recursive_Thread_Mutex);