TestMultiArray.h

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/*
 * MIT License
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#ifndef PSS_ASTROTYPES_MULTIARRAY_TEST_TESTMULTIARRAY_H
#define PSS_ASTROTYPES_MULTIARRAY_TEST_TESTMULTIARRAY_H

#include "pss/astrotypes/multiarray/MultiArray.h"

namespace pss {
namespace astrotypes {
namespace test {

struct DimensionA {};
struct DimensionB {};
struct DimensionC {};

template<typename T>
class TestMultiArrayMixin : public T
{
    public:
        TestMultiArrayMixin(T const& t) : T(t) {}
        using T::T;
};

template<typename T, typename... Dimensions>
class TestMultiArray : public MultiArray<std::allocator<T>, T, TestMultiArrayMixin, Dimensions...>
{
        typedef MultiArray<std::allocator<T>, T, TestMultiArrayMixin,  Dimensions...> BaseT;

    public:
        template<typename... Args>
        TestMultiArray(TestMultiArray<Args...> const& arg) : BaseT(arg) {
        }

        template<typename... Args>
        TestMultiArray(DimensionSize<Args>... args) : BaseT(args...) {
            unsigned n=0;
            // fill with a number sequence 1,2,3,4.....
            std::generate(this->begin(), this->end(), [&] () mutable { 
                                                                       return n++; 
                                                                     });
        }
};

} // namespace test

// this must be declared in the astrotypes namespace
template<typename Dimension, typename T, typename... Dimensions>
struct has_dimension<test::TestMultiArray<T, Dimensions...>, Dimension> : public list_has_type<Dimension, Dimensions...>::type
{
};

static_assert(has_dimension<test::TestMultiArray<int, test::DimensionA>, test::DimensionA>::value, "oh oh");
static_assert(!has_dimension<test::TestMultiArray<int, test::DimensionA>, test::DimensionB>::value, "oh oh");
static_assert(has_dimension<test::TestMultiArray<int, test::DimensionA, test::DimensionB>, test::DimensionA>::value, "oh oh");
static_assert(has_dimension<test::TestMultiArray<int, test::DimensionA, test::DimensionB>, test::DimensionB>::value, "oh oh");
static_assert(!has_dimension<test::TestMultiArray<int, test::DimensionA, test::DimensionB>, test::DimensionC>::value, "oh oh");

} // namespace astrotypes
} // namespace pss

#endif // PSS_ASTROTYPES_MULTIARRAY_TEST_TESTMULTIARRAY_H