Catch/include/internal/catch_expressionresult_builder.h
2013-07-03 19:14:59 +01:00

64 lines
2.3 KiB
C++

/*
* Created by Phil on 8/5/2012.
* Copyright 2012 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_ASSERTIONRESULT_BUILDER_H_INCLUDED
#define TWOBLUECUBES_CATCH_ASSERTIONRESULT_BUILDER_H_INCLUDED
#include "catch_tostring.hpp"
#include "catch_assertionresult.h"
#include "catch_result_type.h"
#include "catch_evaluate.hpp"
#include "catch_common.h"
namespace Catch {
struct STATIC_ASSERT_Expression_Too_Complex_Please_Rewrite_As_Binary_Comparison;
// Wraps the (stringised versions of) the lhs, operator and rhs of an expression - as well as
// the result of evaluating it. This is used to build an AssertionResult object
class ExpressionResultBuilder {
public:
ExpressionResultBuilder( ResultWas::OfType resultType = ResultWas::Unknown );
ExpressionResultBuilder( ExpressionResultBuilder const& other );
ExpressionResultBuilder& operator=(ExpressionResultBuilder const& other );
ExpressionResultBuilder& setResultType( ResultWas::OfType result );
ExpressionResultBuilder& setResultType( bool result );
ExpressionResultBuilder& setLhs( std::string const& lhs );
ExpressionResultBuilder& setRhs( std::string const& rhs );
ExpressionResultBuilder& setOp( std::string const& op );
ExpressionResultBuilder& endExpression( ResultDisposition::Flags resultDisposition );
template<typename T>
ExpressionResultBuilder& operator << ( T const& value ) {
m_stream << value;
return *this;
}
std::string reconstructExpression( AssertionInfo const& info ) const;
AssertionResult buildResult( AssertionInfo const& info ) const;
template<typename RhsT> STATIC_ASSERT_Expression_Too_Complex_Please_Rewrite_As_Binary_Comparison& operator && ( RhsT const& );
template<typename RhsT> STATIC_ASSERT_Expression_Too_Complex_Please_Rewrite_As_Binary_Comparison& operator || ( RhsT const& );
private:
AssertionResultData m_data;
struct ExprComponents {
ExprComponents() : shouldNegate( false ) {}
bool shouldNegate;
std::string lhs, rhs, op;
} m_exprComponents;
std::ostringstream m_stream;
};
} // end namespace Catch
#endif // TWOBLUECUBES_CATCH_ASSERTIONRESULT_BUILDER_H_INCLUDED