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// -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
// vi: set et ts=4 sw=2 sts=2:
// SPDX-FileCopyrightInfo: Copyright © DUNE Project contributors, see file LICENSE.md in module root
// SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception
#include <iostream>
#include <tuple>
#include <dune/common/typetraits.hh>
#include <dune/common/tupleutility.hh>
template<class T>
struct Eval
{
typedef void* Type;
};
int main(int, char**)
{
typedef std::tuple<int*,double*,long*,char*> PointerTuple;
PointerTuple pointers = Dune::NullPointerInitialiser<PointerTuple>::apply();
int ret=0;
if(std::get<0>(pointers)!=nullptr) {
std::cerr<<"First pointer not null"<<std::endl;
ret=1;
}
if(std::get<1>(pointers)!=nullptr) {
std::cerr<<"Second pointer not null"<<std::endl;
ret=2;
}
if(std::get<2>(pointers)!=nullptr) {
std::cerr<<"Third pointer not null"<<std::endl;
ret=3;
}
if(std::get<3>(pointers)!=nullptr) {
std::cerr<<"Fourth pointer not null"<<std::endl;
ret=4;
}
int i = 3;
long l = 4;
char c = 's';
typedef std::tuple<int,char,long,char> Tuple1;
typedef std::tuple<int&,char&,long&,char&> RefTuple1;
typedef std::tuple<int*,char*,long*,char*> PointerTuple1;
static_assert((std::is_same<PointerTuple1,
Dune::ForEachType<Dune::AddPtrTypeEvaluator,
RefTuple1>::Type>::value),
"RefTuple1 with added pointers should be the same as "
"PointerTuple1, but it isn't!");
Tuple1 t1(i,c,l,c);
RefTuple1 refs(i, c, l, c);
[[maybe_unused]] RefTuple1 refs2(Dune::transformTuple<Dune::AddRefTypeEvaluator>(t1));
PointerTuple1 pointers1(Dune::transformTuple<Dune::AddPtrTypeEvaluator>(refs));
if(&i != std::get<0>(pointers1) || &c != std::get<1>(pointers1) ||
&l != std::get<2>(pointers1) || &c != std::get<3>(pointers1)) {
std::cerr << "utilitytest: error: incorrect pointers in pointers1"
<< std::endl;
ret = 1;
}
if(Dune::At<2>::get(pointers)!=std::get<1>(pointers)) {
ret+=10;
std::cerr<<"at inconsistent!"<<std::endl;
}
PointerTuple1 p(new int(), new char(), new long(), new char());
[[maybe_unused]] typedef Dune::ForEachType<Eval,PointerTuple1>::Type ConvertedType;
Dune::PointerPairDeletor<PointerTuple1>::apply(p);
if(p != PointerTuple1(nullptr,nullptr,nullptr,nullptr)){
ret+=20;
std::cerr<<"PointerPairDeletor not working!"<<std::endl;
}
return ret;
}
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