// ==========================================================================
//                               fm_index_beta
// ==========================================================================
// Copyright (c) 2006-2013, Knut Reinert, FU Berlin
// All rights reserved.
//
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// modification, are permitted provided that the following conditions are met:
//
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// ==========================================================================

#ifndef TEST_COMPRESSED_SA_ITERATOR_H_
#define TEST_COMPRESSED_SA_ITERATOR_H_

#include <seqan/basic.h>
#include <seqan/sequence.h>
#include <seqan/index.h>

using namespace seqan;

template <typename TIndex>
void compressedSaIterBegin(TIndex & /*tag*/)
{ 
    typedef typename Fibre<TIndex, FibreSA>::Type TCompressedSA;
    TCompressedSA compressedSA;
    resize(compressedSA, 3);
    setBitTo(compressedSA.sparseString.indicatorString, 0, 1);
    appendValue(compressedSA.sparseString.valueString, 12);

    typename Iterator<TCompressedSA>::Type defaultIter = begin(compressedSA);
    SEQAN_ASSERT_EQ(value(defaultIter), 12u);
    
    typename Iterator<TCompressedSA, Standard>::Type standardIter = begin(compressedSA, Standard());
    SEQAN_ASSERT_EQ(value(standardIter), 12u);

    typename Iterator<TCompressedSA, Rooted>::Type rootedIter = begin(compressedSA, Rooted());
    SEQAN_ASSERT_EQ(value(rootedIter), 12u);

}

template <typename TIndex>
void compressedSaIterEnd(TIndex & /*tag*/)
{ 
    typedef typename Fibre<TIndex, FibreSA>::Type TCompressedSA;
    TCompressedSA compressedSA;
    resize(compressedSA, 3);
    setBitTo(compressedSA.sparseString.indicatorString, 2, 1);
    _updateRanks(compressedSA.sparseString.indicatorString);
    appendValue(compressedSA.sparseString.valueString, 12);

    typename Iterator<TCompressedSA>::Type defaultIter = end(compressedSA);
    SEQAN_ASSERT_EQ(value(--defaultIter), 12u);
    
    typename Iterator<TCompressedSA, Standard>::Type standardIter = end(compressedSA, Standard());
    SEQAN_ASSERT_EQ(value(--standardIter), 12u);

    typename Iterator<TCompressedSA, Rooted>::Type rootedIter = end(compressedSA, Rooted());
    SEQAN_ASSERT_EQ(value(--rootedIter), 12u);
}

SEQAN_DEFINE_TEST(compressed_sa_iterator_begin)
{
    using namespace seqan;

    typedef Dna TChar;
    typedef String<TChar> TText;

    Index<TText, FMIndex<> > tag;
    compressedSaIterBegin(tag);
}

SEQAN_DEFINE_TEST(compressed_sa_iterator_end)
{
    using namespace seqan;

    typedef Dna TChar;
    typedef String<TChar> TText;

    Index<TText, FMIndex<> > tag;
    compressedSaIterEnd(tag);
}


#endif // TEST_COMPRESSED_SA_BETA_H_

