// ==========================================================================
//                 SeqAn - The Library for Sequence Analysis
// ==========================================================================
// Copyright (c) 2006-2024, Knut Reinert, FU Berlin
// All rights reserved.
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// ==========================================================================
// Author: Manuel Holtgrewe <manuel.holtgrewe@fu-berlin.de>
// ==========================================================================
// Tests for fundamental concepts.
//
// All checks are compile time checks, as long as this file compiles, the
// checks pass.
// ==========================================================================

#ifndef SEQAN_TESTS_BASIC_TEST_BASIC_FUNDAMENTAL_CONCEPTS_H_
#define SEQAN_TESTS_BASIC_TEST_BASIC_FUNDAMENTAL_CONCEPTS_H_

using namespace seqan2;

// ============================================================================
// Test Fundamental Concepts
// ============================================================================

template <typename T>
inline void testInteger()
{
    using namespace seqan2;

    SEQAN_CONCEPT_ASSERT((IntegerConcept<T>));
    SEQAN_STATIC_ASSERT_MSG(Is< IntegerConcept<T> >::VALUE, "Type is not marked to be an integer");
}

template <typename T>
inline void testSignedInteger()
{
    using namespace seqan2;

    SEQAN_CONCEPT_ASSERT((SignedIntegerConcept<T>));
    SEQAN_STATIC_ASSERT_MSG(Is< SignedIntegerConcept<T> >::VALUE, "Type is not marked to be a signed integer");
    testInteger<T>();
}

template <typename T>
inline void testUnsignedInteger()
{
    using namespace seqan2;

    SEQAN_CONCEPT_ASSERT((UnsignedIntegerConcept<T>));
    SEQAN_STATIC_ASSERT_MSG(Is< UnsignedIntegerConcept<T> >::VALUE, "Type is not marked to be an unsigned integer");
    testInteger<T>();
}

inline void testIntegers()
{
    using namespace seqan2;

    testInteger<char>();
    testSignedInteger<signed char>();
    testSignedInteger<signed short>();
    testSignedInteger<signed int>();
    testSignedInteger<signed long>();
    testSignedInteger<int64_t>();
    testUnsignedInteger<unsigned char>();
    testUnsignedInteger<unsigned short>();
    testUnsignedInteger<unsigned int>();
    testUnsignedInteger<unsigned long>();
    testUnsignedInteger<uint64_t>();
//  testSignedInteger<unsigned long>();   // <== this should fail
}

namespace seqan2
{

    SEQAN_CONCEPT(TestConceptA_, (T)){};
    SEQAN_CONCEPT(TestConceptB_, (T)){};
    SEQAN_CONCEPT_REFINE(TestConceptC_, (T), (TestConceptA_)) {};

    struct TestConceptModelA_ {};

    template <>
    SEQAN_CONCEPT_IMPL((TestConceptModelA_), (TestConceptA_)(TestConceptB_));

    template <typename T1, typename T2>
    struct TestConceptModelBSpec_{};

    template <typename T, typename TSpec>
    struct TestConceptModelB_{};

    template <typename T, typename TSpec>
    struct TestConceptModelC_{};

    template <typename T, typename TSpec1, typename TSpec2>
    SEQAN_CONCEPT_IMPL((TestConceptModelB_<T, TestConceptModelBSpec_<TSpec1, TSpec2> >), (TestConceptA_)(TestConceptB_));

    template <typename T, typename TSpec1, typename TSpec2>
    SEQAN_CONCEPT_IMPL((TestConceptModelC_<T, TestConceptModelBSpec_<TSpec1, TSpec2> >), (TestConceptC_));


    template <typename T1, typename T2>
    struct Peter {};

    template <typename T1, typename T2>
    struct Klaus {};

    template <typename T1, typename T2>
    SEQAN_CONCEPT_IMPL((Peter<T1, T2>), (ContainerConcept));

    template <typename T1, typename T2>
    SEQAN_CONCEPT_IMPL((Klaus<T1, T2>), (StringConcept));

}


SEQAN_DEFINE_TEST(test_basic_concepts_concept_impl)
{
    using namespace seqan2;

    typedef TestConceptModelA_ TModelA;
    typedef TestConceptModelB_<int, TestConceptModelBSpec_<void, void> > TModelB;

    SEQAN_CONCEPT_ASSERT((TestConceptA_<TModelA>));
    SEQAN_CONCEPT_ASSERT((TestConceptB_<TModelA>));

    SEQAN_STATIC_ASSERT_MSG(Is< TestConceptA_<TModelA> >::VALUE, "Type is not marked to be a TestConceptA_");
    SEQAN_STATIC_ASSERT_MSG(Is< TestConceptB_<TModelA> >::VALUE, "Type is not marked to be a TestConceptB_");

    SEQAN_CONCEPT_ASSERT((TestConceptA_<TModelB>));
    SEQAN_CONCEPT_ASSERT((TestConceptB_<TModelB>));

    SEQAN_STATIC_ASSERT_MSG(Is< TestConceptA_<TModelB> >::VALUE, "Type is not marked to be a TestConceptA_");
    SEQAN_STATIC_ASSERT_MSG(Is< TestConceptB_<TModelB> >::VALUE, "Type is not marked to be a TestConceptB_");

}

void myAssert(seqan2::False)
{
    SEQAN_FAIL("failed.");
}

void myAssert(seqan2::True) {}

SEQAN_DEFINE_TEST(test_basic_concepts_concept_refine)
{
    SEQAN_CONCEPT_ASSERT((seqan2::TestConceptC_<seqan2::TestConceptModelC_<double, seqan2::TestConceptModelBSpec_<int, bool> > >));
    SEQAN_CONCEPT_ASSERT((seqan2::TestConceptA_<seqan2::TestConceptModelC_<double, seqan2::TestConceptModelBSpec_<int, bool> > >));

    typedef seqan2::Is<seqan2::TestConceptC_<seqan2::TestConceptModelC_<double, seqan2::TestConceptModelBSpec_<int, bool> > > >::Type TBool1;
    typedef seqan2::Is<seqan2::TestConceptA_<seqan2::TestConceptModelC_<double, seqan2::TestConceptModelBSpec_<int, bool> > > >::Type TBool2;

    myAssert(TBool1());
    myAssert(TBool2());

    SEQAN_CONCEPT_ASSERT((seqan2::ContainerConcept<seqan2::String<double> >));
    SEQAN_CONCEPT_ASSERT((seqan2::ContainerConcept<seqan2::Segment<CharString, InfixSegment> >));
    SEQAN_CONCEPT_ASSERT((seqan2::StringConcept<seqan2::String<double> >));
    myAssert(Not<Is<      seqan2::StringConcept<seqan2::Segment<CharString, InfixSegment> > > >::Type());   // should fail
}

#endif  // #ifndef SEQAN_TESTS_BASIC_TEST_BASIC_FUNDAMENTAL_CONCEPTS_H_
