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-rw-r--r--unittest/Catch/include/internal/catch_evaluate.hpp218
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diff --git a/unittest/Catch/include/internal/catch_evaluate.hpp b/unittest/Catch/include/internal/catch_evaluate.hpp
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+++ b/unittest/Catch/include/internal/catch_evaluate.hpp
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+/*
+ * Created by Phil on 04/03/2011.
+ * Copyright 2011 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_EVALUATE_HPP_INCLUDED
+#define TWOBLUECUBES_CATCH_EVALUATE_HPP_INCLUDED
+
+#ifdef _MSC_VER
+#pragma warning(push)
+#pragma warning(disable:4389) // '==' : signed/unsigned mismatch
+#endif
+
+#include <cstddef>
+
+namespace Catch {
+namespace Internal {
+
+ enum Operator {
+ IsEqualTo,
+ IsNotEqualTo,
+ IsLessThan,
+ IsGreaterThan,
+ IsLessThanOrEqualTo,
+ IsGreaterThanOrEqualTo
+ };
+
+ template<Operator Op> struct OperatorTraits { static const char* getName(){ return "*error*"; } };
+ template<> struct OperatorTraits<IsEqualTo> { static const char* getName(){ return "=="; } };
+ template<> struct OperatorTraits<IsNotEqualTo> { static const char* getName(){ return "!="; } };
+ template<> struct OperatorTraits<IsLessThan> { static const char* getName(){ return "<"; } };
+ template<> struct OperatorTraits<IsGreaterThan> { static const char* getName(){ return ">"; } };
+ template<> struct OperatorTraits<IsLessThanOrEqualTo> { static const char* getName(){ return "<="; } };
+ template<> struct OperatorTraits<IsGreaterThanOrEqualTo>{ static const char* getName(){ return ">="; } };
+
+ template<typename T>
+ inline T& opCast(T const& t) { return const_cast<T&>(t); }
+
+// nullptr_t support based on pull request #154 from Konstantin Baumann
+#ifdef CATCH_CONFIG_CPP11_NULLPTR
+ inline std::nullptr_t opCast(std::nullptr_t) { return nullptr; }
+#endif // CATCH_CONFIG_CPP11_NULLPTR
+
+
+ // So the compare overloads can be operator agnostic we convey the operator as a template
+ // enum, which is used to specialise an Evaluator for doing the comparison.
+ template<typename T1, typename T2, Operator Op>
+ class Evaluator{};
+
+ template<typename T1, typename T2>
+ struct Evaluator<T1, T2, IsEqualTo> {
+ static bool evaluate( T1 const& lhs, T2 const& rhs) {
+ return bool( opCast( lhs ) == opCast( rhs ) );
+ }
+ };
+ template<typename T1, typename T2>
+ struct Evaluator<T1, T2, IsNotEqualTo> {
+ static bool evaluate( T1 const& lhs, T2 const& rhs ) {
+ return bool( opCast( lhs ) != opCast( rhs ) );
+ }
+ };
+ template<typename T1, typename T2>
+ struct Evaluator<T1, T2, IsLessThan> {
+ static bool evaluate( T1 const& lhs, T2 const& rhs ) {
+ return bool( opCast( lhs ) < opCast( rhs ) );
+ }
+ };
+ template<typename T1, typename T2>
+ struct Evaluator<T1, T2, IsGreaterThan> {
+ static bool evaluate( T1 const& lhs, T2 const& rhs ) {
+ return bool( opCast( lhs ) > opCast( rhs ) );
+ }
+ };
+ template<typename T1, typename T2>
+ struct Evaluator<T1, T2, IsGreaterThanOrEqualTo> {
+ static bool evaluate( T1 const& lhs, T2 const& rhs ) {
+ return bool( opCast( lhs ) >= opCast( rhs ) );
+ }
+ };
+ template<typename T1, typename T2>
+ struct Evaluator<T1, T2, IsLessThanOrEqualTo> {
+ static bool evaluate( T1 const& lhs, T2 const& rhs ) {
+ return bool( opCast( lhs ) <= opCast( rhs ) );
+ }
+ };
+
+ template<Operator Op, typename T1, typename T2>
+ bool applyEvaluator( T1 const& lhs, T2 const& rhs ) {
+ return Evaluator<T1, T2, Op>::evaluate( lhs, rhs );
+ }
+
+ // This level of indirection allows us to specialise for integer types
+ // to avoid signed/ unsigned warnings
+
+ // "base" overload
+ template<Operator Op, typename T1, typename T2>
+ bool compare( T1 const& lhs, T2 const& rhs ) {
+ return Evaluator<T1, T2, Op>::evaluate( lhs, rhs );
+ }
+
+ // unsigned X to int
+ template<Operator Op> bool compare( unsigned int lhs, int rhs ) {
+ return applyEvaluator<Op>( lhs, static_cast<unsigned int>( rhs ) );
+ }
+ template<Operator Op> bool compare( unsigned long lhs, int rhs ) {
+ return applyEvaluator<Op>( lhs, static_cast<unsigned int>( rhs ) );
+ }
+ template<Operator Op> bool compare( unsigned char lhs, int rhs ) {
+ return applyEvaluator<Op>( lhs, static_cast<unsigned int>( rhs ) );
+ }
+
+ // unsigned X to long
+ template<Operator Op> bool compare( unsigned int lhs, long rhs ) {
+ return applyEvaluator<Op>( lhs, static_cast<unsigned long>( rhs ) );
+ }
+ template<Operator Op> bool compare( unsigned long lhs, long rhs ) {
+ return applyEvaluator<Op>( lhs, static_cast<unsigned long>( rhs ) );
+ }
+ template<Operator Op> bool compare( unsigned char lhs, long rhs ) {
+ return applyEvaluator<Op>( lhs, static_cast<unsigned long>( rhs ) );
+ }
+
+ // int to unsigned X
+ template<Operator Op> bool compare( int lhs, unsigned int rhs ) {
+ return applyEvaluator<Op>( static_cast<unsigned int>( lhs ), rhs );
+ }
+ template<Operator Op> bool compare( int lhs, unsigned long rhs ) {
+ return applyEvaluator<Op>( static_cast<unsigned int>( lhs ), rhs );
+ }
+ template<Operator Op> bool compare( int lhs, unsigned char rhs ) {
+ return applyEvaluator<Op>( static_cast<unsigned int>( lhs ), rhs );
+ }
+
+ // long to unsigned X
+ template<Operator Op> bool compare( long lhs, unsigned int rhs ) {
+ return applyEvaluator<Op>( static_cast<unsigned long>( lhs ), rhs );
+ }
+ template<Operator Op> bool compare( long lhs, unsigned long rhs ) {
+ return applyEvaluator<Op>( static_cast<unsigned long>( lhs ), rhs );
+ }
+ template<Operator Op> bool compare( long lhs, unsigned char rhs ) {
+ return applyEvaluator<Op>( static_cast<unsigned long>( lhs ), rhs );
+ }
+
+ // pointer to long (when comparing against NULL)
+ template<Operator Op, typename T> bool compare( long lhs, T* rhs ) {
+ return Evaluator<T*, T*, Op>::evaluate( reinterpret_cast<T*>( lhs ), rhs );
+ }
+ template<Operator Op, typename T> bool compare( T* lhs, long rhs ) {
+ return Evaluator<T*, T*, Op>::evaluate( lhs, reinterpret_cast<T*>( rhs ) );
+ }
+
+ // pointer to int (when comparing against NULL)
+ template<Operator Op, typename T> bool compare( int lhs, T* rhs ) {
+ return Evaluator<T*, T*, Op>::evaluate( reinterpret_cast<T*>( lhs ), rhs );
+ }
+ template<Operator Op, typename T> bool compare( T* lhs, int rhs ) {
+ return Evaluator<T*, T*, Op>::evaluate( lhs, reinterpret_cast<T*>( rhs ) );
+ }
+
+#ifdef CATCH_CONFIG_CPP11_LONG_LONG
+ // long long to unsigned X
+ template<Operator Op> bool compare( long long lhs, unsigned int rhs ) {
+ return applyEvaluator<Op>( static_cast<unsigned long>( lhs ), rhs );
+ }
+ template<Operator Op> bool compare( long long lhs, unsigned long rhs ) {
+ return applyEvaluator<Op>( static_cast<unsigned long>( lhs ), rhs );
+ }
+ template<Operator Op> bool compare( long long lhs, unsigned long long rhs ) {
+ return applyEvaluator<Op>( static_cast<unsigned long>( lhs ), rhs );
+ }
+ template<Operator Op> bool compare( long long lhs, unsigned char rhs ) {
+ return applyEvaluator<Op>( static_cast<unsigned long>( lhs ), rhs );
+ }
+
+ // unsigned long long to X
+ template<Operator Op> bool compare( unsigned long long lhs, int rhs ) {
+ return applyEvaluator<Op>( static_cast<long>( lhs ), rhs );
+ }
+ template<Operator Op> bool compare( unsigned long long lhs, long rhs ) {
+ return applyEvaluator<Op>( static_cast<long>( lhs ), rhs );
+ }
+ template<Operator Op> bool compare( unsigned long long lhs, long long rhs ) {
+ return applyEvaluator<Op>( static_cast<long>( lhs ), rhs );
+ }
+ template<Operator Op> bool compare( unsigned long long lhs, char rhs ) {
+ return applyEvaluator<Op>( static_cast<long>( lhs ), rhs );
+ }
+
+ // pointer to long long (when comparing against NULL)
+ template<Operator Op, typename T> bool compare( long long lhs, T* rhs ) {
+ return Evaluator<T*, T*, Op>::evaluate( reinterpret_cast<T*>( lhs ), rhs );
+ }
+ template<Operator Op, typename T> bool compare( T* lhs, long long rhs ) {
+ return Evaluator<T*, T*, Op>::evaluate( lhs, reinterpret_cast<T*>( rhs ) );
+ }
+#endif // CATCH_CONFIG_CPP11_LONG_LONG
+
+#ifdef CATCH_CONFIG_CPP11_NULLPTR
+ // pointer to nullptr_t (when comparing against nullptr)
+ template<Operator Op, typename T> bool compare( std::nullptr_t, T* rhs ) {
+ return Evaluator<T*, T*, Op>::evaluate( nullptr, rhs );
+ }
+ template<Operator Op, typename T> bool compare( T* lhs, std::nullptr_t ) {
+ return Evaluator<T*, T*, Op>::evaluate( lhs, nullptr );
+ }
+#endif // CATCH_CONFIG_CPP11_NULLPTR
+
+} // end of namespace Internal
+} // end of namespace Catch
+
+#ifdef _MSC_VER
+#pragma warning(pop)
+#endif
+
+#endif // TWOBLUECUBES_CATCH_EVALUATE_HPP_INCLUDED
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