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-rw-r--r--include/internal/catch_expression_lhs.hpp105
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diff --git a/include/internal/catch_expression_lhs.hpp b/include/internal/catch_expression_lhs.hpp
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--- a/include/internal/catch_expression_lhs.hpp
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-/*
- * Created by Phil on 11/5/2012.
- * 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_EXPRESSION_LHS_HPP_INCLUDED
-#define TWOBLUECUBES_CATCH_EXPRESSION_LHS_HPP_INCLUDED
-
-#include "catch_result_builder.h"
-#include "catch_evaluate.hpp"
-#include "catch_tostring.h"
-
-namespace Catch {
-
-// Wraps the LHS of an expression and captures the operator and RHS (if any) -
-// wrapping them all in a ResultBuilder object
-template<typename T>
-class ExpressionLhs {
- ExpressionLhs& operator = ( ExpressionLhs const& );
-# ifdef CATCH_CONFIG_CPP11_GENERATED_METHODS
- ExpressionLhs& operator = ( ExpressionLhs && ) = delete;
-# endif
-
-public:
- ExpressionLhs( ResultBuilder& rb, T lhs ) : m_rb( rb ), m_lhs( lhs ) {}
-# ifdef CATCH_CONFIG_CPP11_GENERATED_METHODS
- ExpressionLhs( ExpressionLhs const& ) = default;
- ExpressionLhs( ExpressionLhs && ) = default;
-# endif
-
- template<typename RhsT>
- ResultBuilder& operator == ( RhsT const& rhs ) {
- return captureExpression<Internal::IsEqualTo>( rhs );
- }
-
- template<typename RhsT>
- ResultBuilder& operator != ( RhsT const& rhs ) {
- return captureExpression<Internal::IsNotEqualTo>( rhs );
- }
-
- template<typename RhsT>
- ResultBuilder& operator < ( RhsT const& rhs ) {
- return captureExpression<Internal::IsLessThan>( rhs );
- }
-
- template<typename RhsT>
- ResultBuilder& operator > ( RhsT const& rhs ) {
- return captureExpression<Internal::IsGreaterThan>( rhs );
- }
-
- template<typename RhsT>
- ResultBuilder& operator <= ( RhsT const& rhs ) {
- return captureExpression<Internal::IsLessThanOrEqualTo>( rhs );
- }
-
- template<typename RhsT>
- ResultBuilder& operator >= ( RhsT const& rhs ) {
- return captureExpression<Internal::IsGreaterThanOrEqualTo>( rhs );
- }
-
- ResultBuilder& operator == ( bool rhs ) {
- return captureExpression<Internal::IsEqualTo>( rhs );
- }
-
- ResultBuilder& operator != ( bool rhs ) {
- return captureExpression<Internal::IsNotEqualTo>( rhs );
- }
-
- void endExpression() {
- bool value = m_lhs ? true : false;
- m_rb
- .setLhs( Catch::toString( value ) )
- .setResultType( value )
- .endExpression();
- }
-
- // Only simple binary expressions are allowed on the LHS.
- // If more complex compositions are required then place the sub expression in parentheses
- 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& );
- 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& );
- 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:
- template<Internal::Operator Op, typename RhsT>
- ResultBuilder& captureExpression( RhsT const& rhs ) {
- return m_rb
- .setResultType( Internal::compare<Op>( m_lhs, rhs ) )
- .setLhs( Catch::toString( m_lhs ) )
- .setRhs( Catch::toString( rhs ) )
- .setOp( Internal::OperatorTraits<Op>::getName() );
- }
-
-private:
- ResultBuilder& m_rb;
- T m_lhs;
-};
-
-} // end namespace Catch
-
-#endif // TWOBLUECUBES_CATCH_EXPRESSION_LHS_HPP_INCLUDED