TAO/tests/Sequence_Unit_Tests/testing_range_checking.hpp

   1 #ifndef guard_testing_range_checking_hpp
   2 #define guard_testing_range_checking_hpp
   3 /**
   4  * @file
   5  *
   6  * @brief Specialize the range_checking traits in a manner suitable
   7  * for testing.
   8  *
   9  * @author Carlos O'Ryan
  10  */
  11
  12 #include "tao/Range_Checking_T.h"
  13
  14 #include <sstream>
  15 #include <stdexcept>
  16
  17 template<typename T>
  18 struct testing_range_checking
  19 {
  20   typedef T value_type;
  21
  22   inline static void check(
  23       CORBA::ULong index,
  24       CORBA::ULong length,
  25       CORBA::ULong maximum,
  26       char const * function_name)
  27   {
  28     if (index < length) {
  29       return;
  30     }
  31     std::ostringstream error;
  32     error << "Out of range access in " << function_name
  33           << ", index=" << index
  34           << ", length=" << length
  35           << ", maximum=" << maximum;
  36     throw std::range_error(error.str());
  37   }
  38
  39   inline static void check_length(
  40       CORBA::ULong & new_length,
  41       CORBA::ULong maximum)
  42   {
  43     if (maximum < new_length)
  44     {
  45       std::ostringstream error;
  46       error << "Invalid bounded sequence length "
  47             << ", length=" << new_length
  48             << ", maximum=" << maximum;
  49       throw std::runtime_error(error.str());
  50     }
  51   }
  52 };
  53
  54 TAO_BEGIN_VERSIONED_NAMESPACE_DECL
  55 namespace TAO
  56 {
  57 namespace details
  58 {
  59
  60 template<typename T>
  61 struct range_checking<T,true>
  62   : public testing_range_checking<T>
  63 {
  64 };
  65
  66 } // namespace details
  67 } // namespace TAO
  68
  69 TAO_END_VERSIONED_NAMESPACE_DECL
  70 #endif // guard_testing_range_checking_hpp