// ==========================================================================
//                 SeqAn - The Library for Sequence Analysis
// ==========================================================================
// Copyright (c) 2006-2016, Knut Reinert, FU Berlin
// All rights reserved.
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// ==========================================================================
// Author: Manuel Holtgrewe <manuel.holtgrewe@fu-berlin.de>
// ==========================================================================
// Tests for math functions and metafunctions.
// ==========================================================================

#ifndef SEQAN_TESTS_BASIC_TEST_BASIC_ALPHABET_MATH_H_
#define SEQAN_TESTS_BASIC_TEST_BASIC_ALPHABET_MATH_H_

// Test math-related metafunctions.  We only need to check that the
// metafunctions exist.  The actual implementations are given for each type,
// or adaptions to the builtins.

SEQAN_DEFINE_TEST(test_basic_alphabet_math_metafunctions)
{
    typedef seqan::MaxValue<int> TMaxValue SEQAN_UNUSED_TYPEDEF;
    typedef seqan::MinValue<int> TMinValue SEQAN_UNUSED_TYPEDEF;
}

// Now, test that the forwards for minValue() and maxValue() work correctly.

struct MyNumber_
{
    int value;

    MyNumber_() : value(0)
    {}

    explicit
    MyNumber_(int v) : value(v)
    {}
};

namespace seqan
{
template <>
struct MinValue<MyNumber_>
{
    static const MyNumber_ VALUE;
};

const MyNumber_ MinValue<MyNumber_>::VALUE = MyNumber_(-1);

template <>
struct MaxValue<MyNumber_>
{
    static const MyNumber_ VALUE;
};

const MyNumber_ MaxValue<MyNumber_>::VALUE = MyNumber_(1);
}

SEQAN_DEFINE_TEST(test_basic_alphabet_math_min_value)
{
    using namespace seqan;

    SEQAN_ASSERT_EQ(MinValue<MyNumber_>::VALUE.value, -1);
}

SEQAN_DEFINE_TEST(test_basic_alphabet_math_max_value)
{
    using namespace seqan;

    SEQAN_ASSERT_EQ(MaxValue<MyNumber_>::VALUE.value, 1);
}

#endif  // #ifndef SEQAN_TESTS_BASIC_TEST_BASIC_ALPHABET_MATH_H_
