mirror of https://github.com/catchorg/Catch2.git
280 lines
7.2 KiB
C++
280 lines
7.2 KiB
C++
/*
|
|
* catch_capture.hpp
|
|
* Catch
|
|
*
|
|
* Created by Phil on 18/10/2010.
|
|
* Copyright 2010 Two Blue Cubes Ltd. All rights reserved.
|
|
*
|
|
* Distributed under the Boost Software License, Version 1.0. (See accompanying
|
|
* file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
|
|
*
|
|
*/
|
|
#ifndef TWOBLUECUBES_CATCH_CAPTURE_HPP_INCLUDED
|
|
#define TWOBLUECUBES_CATCH_CAPTURE_HPP_INCLUDED
|
|
|
|
#include "catch_resultinfo.hpp"
|
|
#include <sstream>
|
|
#include "math.h"
|
|
|
|
namespace Catch
|
|
{
|
|
|
|
template<typename T>
|
|
std::string toString( const T& value )
|
|
{
|
|
std::ostringstream oss;
|
|
oss << value;
|
|
return oss.str();
|
|
}
|
|
|
|
class TestFailureException
|
|
{
|
|
};
|
|
class DummyExceptionType_DontUse
|
|
{
|
|
};
|
|
|
|
class MutableResultInfo : public ResultInfo
|
|
{
|
|
public:
|
|
|
|
MutableResultInfo()
|
|
{}
|
|
|
|
MutableResultInfo( const std::string& expr, bool isNot, const std::string& filename, size_t line, const std::string& macroName )
|
|
: ResultInfo( ( isNot ? "!" : "" ) + expr, ResultWas::Unknown, isNot, filename, line, macroName )
|
|
{
|
|
}
|
|
void setResultType( ResultWas::OfType result )
|
|
{
|
|
// Flip bool results if isNot is set
|
|
if( m_isNot && result == ResultWas::Ok )
|
|
m_result = ResultWas::ExpressionFailed;
|
|
else if( m_isNot && result == ResultWas::ExpressionFailed )
|
|
m_result = ResultWas::Ok;
|
|
else
|
|
m_result = result;
|
|
}
|
|
void setMessage( const std::string& message )
|
|
{
|
|
m_message = message;
|
|
}
|
|
|
|
private:
|
|
friend class ResultBuilder;
|
|
void setLhs( const std::string& lhs )
|
|
{
|
|
m_lhs = lhs;
|
|
}
|
|
MutableResultInfo& setRhs( const std::string& op, const std::string& rhs )
|
|
{
|
|
m_op = op;
|
|
m_rhs = rhs;
|
|
return *this;
|
|
}
|
|
};
|
|
|
|
class ResultBuilder
|
|
{
|
|
public:
|
|
ResultBuilder( const char* expr, bool isNot, const std::string& filename, size_t line, const std::string& macroName )
|
|
: m_result( expr, isNot, filename, line, macroName )
|
|
{}
|
|
|
|
template<typename T>
|
|
ResultBuilder& operator->*(const T & operand)
|
|
{
|
|
m_result.setLhs( toString( operand ) );
|
|
return *this;
|
|
}
|
|
|
|
template<typename RhsT>
|
|
MutableResultInfo& operator == ( const RhsT& rhs )
|
|
{
|
|
return m_result.setRhs( "==", toString( rhs ) );
|
|
}
|
|
template<typename RhsT>
|
|
MutableResultInfo& operator != ( const RhsT& rhs )
|
|
{
|
|
return m_result.setRhs( "!=", toString( rhs ) );
|
|
}
|
|
template<typename RhsT>
|
|
MutableResultInfo& operator < ( const RhsT& rhs )
|
|
{
|
|
return m_result.setRhs( "<", toString( rhs ) );
|
|
}
|
|
template<typename RhsT>
|
|
MutableResultInfo& operator > ( const RhsT& rhs )
|
|
{
|
|
return m_result.setRhs( ">", toString( rhs ) );
|
|
}
|
|
template<typename RhsT>
|
|
MutableResultInfo& operator <= ( const RhsT& rhs )
|
|
{
|
|
return m_result.setRhs( "<=", toString( rhs ) );
|
|
}
|
|
template<typename RhsT>
|
|
MutableResultInfo& operator >= ( const RhsT& rhs )
|
|
{
|
|
return m_result.setRhs( ">=", toString( rhs ) );
|
|
}
|
|
operator MutableResultInfo&()
|
|
{
|
|
return m_result;
|
|
}
|
|
|
|
private:
|
|
MutableResultInfo m_result;
|
|
|
|
};
|
|
|
|
class TestCaseInfo;
|
|
|
|
struct IResultListener
|
|
{
|
|
virtual ~IResultListener(){}
|
|
virtual void testEnded( const ResultInfo& result ) = 0;
|
|
};
|
|
|
|
class ResultsCapture
|
|
{
|
|
private:
|
|
ResultsCapture()
|
|
: m_listener( 0 )
|
|
{
|
|
}
|
|
|
|
static ResultsCapture& instance()
|
|
{
|
|
static ResultsCapture instance;
|
|
return instance;
|
|
}
|
|
|
|
public:
|
|
|
|
static IResultListener* setListener( IResultListener* listener )
|
|
{
|
|
IResultListener* prevListener = instance().m_listener;
|
|
instance().m_listener = listener;
|
|
return prevListener;
|
|
}
|
|
|
|
static void acceptExpression( const MutableResultInfo& resultInfo )
|
|
{
|
|
instance().currentResult = resultInfo;
|
|
}
|
|
|
|
static void acceptResult( bool result, bool stopOnFail )
|
|
{
|
|
acceptResult( result ? ResultWas::Ok : ResultWas::ExpressionFailed, stopOnFail );
|
|
}
|
|
|
|
static void acceptResult( ResultWas::OfType result, bool stopOnFail )
|
|
{
|
|
if( !acceptResult( result ) && stopOnFail )
|
|
{
|
|
throw TestFailureException();
|
|
}
|
|
}
|
|
|
|
static bool acceptResult( ResultWas::OfType result )
|
|
{
|
|
MutableResultInfo& currentResult = instance().currentResult;
|
|
currentResult.setResultType( result );
|
|
|
|
if( instance().m_listener )
|
|
{
|
|
instance().m_listener->testEnded( currentResult );
|
|
}
|
|
bool ok = currentResult.ok();
|
|
instance().currentResult = MutableResultInfo();
|
|
return ok;
|
|
}
|
|
|
|
static bool acceptResult( bool expressionResult )
|
|
{
|
|
return acceptResult( expressionResult ? ResultWas::Ok : ResultWas::ExpressionFailed );
|
|
}
|
|
|
|
static void acceptMessage( const std::string& msg )
|
|
{
|
|
instance().currentResult.setMessage( msg );
|
|
}
|
|
|
|
private:
|
|
MutableResultInfo currentResult;
|
|
IResultListener* m_listener;
|
|
};
|
|
|
|
// !TBD Need to clean this all up
|
|
#define CATCH_absTol 1e-10
|
|
#define CATCH_relTol 1e-10
|
|
|
|
class Approx
|
|
{
|
|
public:
|
|
// !TBD more generic
|
|
Approx( double d )
|
|
: m_d( d )
|
|
{
|
|
}
|
|
template<typename T>
|
|
friend bool operator == ( const T& lhs, const Approx& rhs )
|
|
{
|
|
// !TBD Use proper tolerance
|
|
// From: http://realtimecollisiondetection.net/blog/?p=89
|
|
// see also: http://www.cygnus-software.com/papers/comparingfloats/comparingfloats.htm
|
|
return fabs( lhs - rhs.m_d ) <= std::max( CATCH_absTol, CATCH_relTol * std::max( fabs(lhs), fabs(rhs.m_d) ) );
|
|
}
|
|
|
|
template<typename T>
|
|
friend bool operator != ( const T& lhs, const Approx& rhs )
|
|
{
|
|
return ! operator==( lhs, rhs );
|
|
}
|
|
|
|
double m_d;
|
|
};
|
|
|
|
template<>
|
|
inline std::string toString<Approx>( const Approx& value )
|
|
{
|
|
std::ostringstream oss;
|
|
oss << "Approx( " << value.m_d << ")";
|
|
return oss.str();
|
|
}
|
|
|
|
|
|
} // end namespace Catch
|
|
|
|
#define _CATCH_TEST( expr, isNot, stopOnFailure, macroName ) \
|
|
Catch::ResultsCapture::acceptExpression( Catch::ResultBuilder( #expr, isNot, __FILE__, __LINE__, macroName )->*expr ); \
|
|
Catch::ResultsCapture::acceptResult( expr, stopOnFailure );
|
|
|
|
#define _CATCH_THROWS( expr, exceptionType, nothrow, stopOnFailure, macroName ) \
|
|
Catch::ResultsCapture::acceptExpression( Catch::ResultBuilder( #expr, false, __FILE__, __LINE__, macroName ) ); \
|
|
try \
|
|
{ \
|
|
expr; \
|
|
Catch::ResultsCapture::acceptResult( nothrow, stopOnFailure ); \
|
|
} \
|
|
catch( exceptionType ) \
|
|
{ \
|
|
Catch::ResultsCapture::acceptResult( !(nothrow), stopOnFailure ); \
|
|
}
|
|
|
|
#define _CATCH_THROWS_AS( expr, exceptionType, nothrow, stopOnFailure, macroName ) \
|
|
_CATCH_THROWS( expr, exceptionType, nothrow, stopOnFailure, macroName ) \
|
|
catch( ... ) \
|
|
{ \
|
|
Catch::ResultsCapture::acceptResult( false, stopOnFailure ); \
|
|
}
|
|
|
|
#define _CATCH_MSG( reason, resultType, stopOnFailure, macroName ) \
|
|
Catch::ResultsCapture::acceptExpression( Catch::MutableResultInfo( "", false, __FILE__, __LINE__, macroName ) ); \
|
|
Catch::ResultsCapture::acceptMessage( reason ); \
|
|
Catch::ResultsCapture::acceptResult( resultType, stopOnFailure );
|
|
|
|
|
|
#endif // TWOBLUECUBES_CATCH_CAPTURE_HPP_INCLUDED
|