catch2/include/internal/catch_expressionresult_builder.h

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/*
* 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)
*/
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#ifndef TWOBLUECUBES_CATCH_ASSERTIONRESULT_BUILDER_H_INCLUDED
#define TWOBLUECUBES_CATCH_ASSERTIONRESULT_BUILDER_H_INCLUDED
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#include "catch_tostring.hpp"
#include "catch_assertionresult.h"
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#include "catch_result_type.h"
#include "catch_evaluate.hpp"
#include "catch_common.h"
namespace Catch {
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// 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 {
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public:
ExpressionResultBuilder( ResultWas::OfType resultType = ResultWas::Unknown );
ExpressionResultBuilder( const ExpressionResultBuilder& other );
ExpressionResultBuilder& operator=(const ExpressionResultBuilder& other );
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ExpressionResultBuilder& setResultType( ResultWas::OfType result );
ExpressionResultBuilder& setResultType( bool result );
ExpressionResultBuilder& setLhs( const std::string& lhs );
ExpressionResultBuilder& setRhs( const std::string& rhs );
ExpressionResultBuilder& setOp( const std::string& op );
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ExpressionResultBuilder& negate( bool shouldNegate );
template<typename T>
ExpressionResultBuilder& operator << ( const T& value ) {
m_stream << value;
return *this;
}
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std::string reconstructExpression( const AssertionInfo& info ) const;
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AssertionResult buildResult( const AssertionInfo& info ) const;
private:
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AssertionResultData m_data;
struct ExprComponents {
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ExprComponents() : shouldNegate( false ) {}
bool shouldNegate;
std::string lhs, rhs, op;
} m_exprComponents;
std::ostringstream m_stream;
};
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} // end namespace Catch
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#endif // TWOBLUECUBES_CATCH_ASSERTIONRESULT_BUILDER_H_INCLUDED