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catch_tostring: toString for std::tuple
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@ -193,6 +193,50 @@ struct StringMaker<std::vector<T, Allocator> > {
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}
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};
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#ifdef CATCH_CPP11_OR_GREATER
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/*
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toString for tuples
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*/
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namespace TupleDetail {
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template<
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typename Tuple,
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std::size_t N = 0,
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bool = (N < std::tuple_size<Tuple>::value)
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>
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struct ElementPrinter {
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static void print( const Tuple& tuple, std::ostream& os )
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{
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os << ( N ? ", " : " " )
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<< Catch::toString(std::get<N>(tuple));
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ElementPrinter<Tuple,N+1>::print(tuple,os);
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}
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};
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template<
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typename Tuple,
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std::size_t N
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>
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struct ElementPrinter<Tuple,N,false> {
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static void print( const Tuple&, std::ostream& ) {}
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};
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}
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template<typename ...Types>
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struct StringMaker<std::tuple<Types...>> {
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static std::string convert( const std::tuple<Types...>& tuple )
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{
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std::ostringstream os;
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os << '{';
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TupleDetail::ElementPrinter<std::tuple<Types...>>::print( tuple, os );
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os << " }";
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return os.str();
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}
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};
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#endif
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namespace Detail {
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template<typename T>
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std::string makeString( T const& value ) {
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