source: code/branches/ode/ode-0.9/tests/CppTestHarness/Checks.h @ 216

#ifndef CHECKS_H
#define CHECKS_H

#include <sstream>
#include <cmath>

namespace CppTestHarness
{
        template< typename Value >
        bool Check(Value const value)
        {
#ifdef _MSC_VER
#       pragma warning(push)
#       pragma warning(disable:4127) // conditional expression is constant
#       pragma warning(disable:4800) // forcing value to bool true/false, performance warning
#endif
                return value;
#ifdef _MSC_VER
#       pragma warning(pop)
#endif
        }

        template< typename Actual, typename Expected >
        bool CheckEqual(Actual const actual, Expected const expected)
        {
#ifdef _MSC_VER
#       pragma warning(push)
#       pragma warning(disable:4127) // conditional expression is constant
#endif
                return (actual == expected);
#ifdef _MSC_VER
#       pragma warning(pop)
#endif
        }

        template< typename Actual, typename Expected >
        bool CheckArrayEqual(Actual const actual, Expected const expected, int const count)
        {
                for (int i = 0; i < count; ++i)
                {
                        if (!(actual[i] == expected[i]))
                                return false;
                }

                return true;
        }

        template< typename Actual, typename Expected, typename Tolerance >
        bool CheckClose(Actual const actual, Expected const expected, Tolerance const tolerance)
        {
                return (std::abs(double(actual) - double(expected)) <= double(tolerance));
        }

        template< typename Actual, typename Expected, typename Tolerance >
        bool CheckArrayClose(Actual const actual, Expected const expected, int const count, Tolerance const tolerance)
        {
                for (int i = 0; i < count; ++i)
                {
                        if (!CheckClose(actual[i], expected[i], tolerance))
                                return false;
                }

                return true;
        }

        template< typename Actual, typename Expected >
        std::string BuildFailureString(Actual const actual, Expected const expected)
        {
                std::stringstream failureStr;
                failureStr << "Expected " << actual << " but got " << expected << std::endl;
                return failureStr.str();
        }

        template< typename Actual, typename Expected >
        std::string BuildFailureString(Actual const* actual, Expected const* expected, int const count)
        {
                std::stringstream failureStr;
                int i;
                
                failureStr << "Expected [ ";

                for (i = 0; i < count; ++i)
                        failureStr << expected[i] << ' ';

                failureStr << "] but got [ ";

                for (i = 0; i < count; ++i)
                        failureStr << expected[i] << ' ';

                failureStr << ']' << std::endl;

        return failureStr.str();                
        }
}

#endif