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// -----------------------------------------------------------------------------------------------------
// Copyright (c) 2006-2020, Knut Reinert & Freie Universität Berlin
// Copyright (c) 2016-2020, Knut Reinert & MPI für molekulare Genetik
// This file may be used, modified and/or redistributed under the terms of the 3-clause BSD-License
// shipped with this file and also available at: https://github.com/seqan/seqan3/blob/master/LICENSE.md
// -----------------------------------------------------------------------------------------------------
#include <iostream>
#include <gtest/gtest.h>
#include <range/v3/view/zip.hpp>
#include <seqan3/alphabet/mask/masked.hpp>
#include <seqan3/alphabet/quality/aliases.hpp>
#include <seqan3/range/concept.hpp>
#include <seqan3/range/views/get.hpp>
#include <seqan3/range/views/complement.hpp>
#include <seqan3/range/views/to_char.hpp>
#include <seqan3/range/views/to.hpp>
#include <seqan3/range/views/zip.hpp>
#include <seqan3/std/ranges>
using seqan3::operator""_dna4;
TEST(view_get, basic)
{
// TODO remove const-ness from input vector once alphabet_proxy's complement doesnt cause ICE
std::vector<seqan3::dna4q> const qv{{'A'_dna4, seqan3::phred42{0}},
{'C'_dna4, seqan3::phred42{1}},
{'G'_dna4, seqan3::phred42{2}},
{'T'_dna4, seqan3::phred42{3}}};
seqan3::dna4_vector cmp0{'A'_dna4, 'C'_dna4, 'G'_dna4, 'T'_dna4};
std::vector<seqan3::phred42> cmp1{seqan3::phred42{0}, seqan3::phred42{1}, seqan3::phred42{2}, seqan3::phred42{3}};
//functor
seqan3::dna4_vector functor0 = seqan3::views::get<0>(qv) | seqan3::views::to<std::vector>;
std::vector<seqan3::phred42> functor1 = seqan3::views::get<1>(qv) | seqan3::views::to<std::vector>;
EXPECT_EQ(cmp0, functor0);
EXPECT_EQ(cmp1, functor1);
// pipe notation
seqan3::dna4_vector pipe0 = qv | seqan3::views::get<0> | seqan3::views::to<std::vector>;
std::vector<seqan3::phred42> pipe1 = qv | seqan3::views::get<1> | seqan3::views::to<std::vector>;
EXPECT_EQ(cmp0, pipe0);
EXPECT_EQ(cmp1, pipe1);
// combinability
seqan3::dna4_vector cmp2{"TGCA"_dna4};
seqan3::dna4_vector comp = qv | seqan3::views::get<0> | seqan3::views::complement | seqan3::views::to<std::vector>;
EXPECT_EQ(cmp2, comp);
std::string cmp3{"TGCA"};
std::string to_char_test = comp | seqan3::views::to_char | seqan3::views::to<std::string>;
EXPECT_EQ(cmp3, to_char_test);
// reference return check
functor1[0] = seqan3::phred42{4};
std::vector<seqan3::phred42> cmp4{seqan3::phred42{4}, seqan3::phred42{1}, seqan3::phred42{2}, seqan3::phred42{3}};
EXPECT_EQ(cmp4, functor1);
}
TEST(view_get, advanced)
{
// TODO remove const-ness from input vector once alphabet_proxy inherits it's alphabet
std::vector<seqan3::qualified<seqan3::masked<seqan3::dna4>,
seqan3::phred42>> const t{{{'A'_dna4, seqan3::mask::MASKED}, seqan3::phred42{0}},
{{'C'_dna4, seqan3::mask::UNMASKED}, seqan3::phred42{1}},
{{'G'_dna4, seqan3::mask::MASKED}, seqan3::phred42{2}},
{{'T'_dna4, seqan3::mask::UNMASKED}, seqan3::phred42{3}}};
// functor notation
std::vector<seqan3::masked<seqan3::dna4>> cmp0{{'A'_dna4, seqan3::mask::MASKED},
{'C'_dna4, seqan3::mask::UNMASKED},
{'G'_dna4, seqan3::mask::MASKED},
{'T'_dna4, seqan3::mask::UNMASKED}};
std::vector<seqan3::masked<seqan3::dna4>> functor0 = seqan3::views::get<0>(t) | seqan3::views::to<std::vector>;
EXPECT_EQ(cmp0, functor0);
std::vector<seqan3::phred42> cmp1{seqan3::phred42{0}, seqan3::phred42{1}, seqan3::phred42{2}, seqan3::phred42{3}};
std::vector<seqan3::phred42> functor1 = seqan3::views::get<1>(t) | seqan3::views::to<std::vector>;
EXPECT_EQ(cmp1, functor1);
seqan3::dna4_vector cmp00{'A'_dna4, 'C'_dna4, 'G'_dna4, 'T'_dna4};
seqan3::dna4_vector functor00 = seqan3::views::get<0>(seqan3::views::get<0>(t)) | seqan3::views::to<std::vector>;
EXPECT_EQ(cmp00, functor00);
// pipe notation
std::vector<seqan3::masked<seqan3::dna4>> pipe0 = t | seqan3::views::get<0> | seqan3::views::to<std::vector>;
EXPECT_EQ(cmp0, pipe0);
std::vector<seqan3::phred42> pipe1 = t | seqan3::views::get<1> | seqan3::views::to<std::vector>;
EXPECT_EQ(cmp1, pipe1);
seqan3::dna4_vector pipe00 = t | seqan3::views::get<0> | seqan3::views::get<0> | seqan3::views::to<std::vector>;
EXPECT_EQ(cmp00, pipe00);
// combinability
std::vector<seqan3::masked<seqan3::dna4>> cmprev{{'T'_dna4, seqan3::mask::UNMASKED},
{'G'_dna4, seqan3::mask::MASKED},
{'C'_dna4, seqan3::mask::UNMASKED},
{'A'_dna4, seqan3::mask::MASKED}};
std::vector<seqan3::masked<seqan3::dna4>> revtest = t
| seqan3::views::get<0>
| std::views::reverse
| seqan3::views::to<std::vector>;
EXPECT_EQ(cmprev, revtest);
seqan3::dna4_vector cmprev2{'T'_dna4, 'G'_dna4, 'C'_dna4, 'A'_dna4};
seqan3::dna4_vector revtest2 = t
| seqan3::views::get<0>
| seqan3::views::get<0>
| std::views::reverse
| seqan3::views::to<std::vector>;
EXPECT_EQ(cmprev2, revtest2);
// reference check
functor0[0] = seqan3::masked<seqan3::dna4>{'T'_dna4, seqan3::mask::UNMASKED};
std::vector<seqan3::masked<seqan3::dna4>> cmpref{{'T'_dna4, seqan3::mask::UNMASKED},
{'C'_dna4, seqan3::mask::UNMASKED},
{'G'_dna4, seqan3::mask::MASKED},
{'T'_dna4, seqan3::mask::UNMASKED}};
EXPECT_EQ(cmpref, functor0);
}
TEST(view_get, tuple_pair)
{
std::vector<std::pair<int, int>> pair_test{{0, 1}, {1, 2}, {2, 3}, {3, 4}};
std::vector<std::tuple<int, int>> tuple_test{{0, 1}, {1, 2}, {2, 3}, {3, 4}};
// functor notation
std::vector<int> cmp{0, 1, 2, 3};
std::vector<int> pair_func = seqan3::views::get<0>(pair_test) | seqan3::views::to<std::vector>;
std::vector<int> tuple_func = seqan3::views::get<0>(tuple_test) | seqan3::views::to<std::vector>;
EXPECT_EQ(cmp, pair_func);
EXPECT_EQ(cmp, tuple_func);
// reference test
cmp[0] = 4;
pair_func[0] = 4;
tuple_func[0] = 4;
EXPECT_EQ(cmp, pair_func);
EXPECT_EQ(cmp, tuple_func);
// pipe notation
cmp[0] = 0;
std::vector<int> pair_pipe = pair_test | seqan3::views::get<0> | seqan3::views::to<std::vector>;
std::vector<int> tuple_pipe = tuple_test | seqan3::views::get<0> | seqan3::views::to<std::vector>;
EXPECT_EQ(cmp, pair_pipe);
EXPECT_EQ(cmp, tuple_pipe);
}
TEST(view_get, concepts)
{
std::vector<std::tuple<int, int>> vec{{0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}};
EXPECT_TRUE(std::ranges::input_range<decltype(vec)>);
EXPECT_TRUE(std::ranges::forward_range<decltype(vec)>);
EXPECT_TRUE(std::ranges::bidirectional_range<decltype(vec)>);
EXPECT_TRUE(std::ranges::random_access_range<decltype(vec)>);
EXPECT_FALSE(std::ranges::view<decltype(vec)>);
EXPECT_TRUE(std::ranges::sized_range<decltype(vec)>);
EXPECT_TRUE(std::ranges::common_range<decltype(vec)>);
EXPECT_TRUE(seqan3::const_iterable_range<decltype(vec)>);
EXPECT_TRUE((std::ranges::output_range<decltype(vec), std::tuple<int, int>>));
auto v1 = vec | seqan3::views::get<0>;
EXPECT_TRUE(std::ranges::input_range<decltype(v1)>);
EXPECT_TRUE(std::ranges::forward_range<decltype(v1)>);
EXPECT_TRUE(std::ranges::bidirectional_range<decltype(v1)>);
EXPECT_TRUE(std::ranges::random_access_range<decltype(v1)>);
EXPECT_TRUE(std::ranges::view<decltype(v1)>);
EXPECT_TRUE(std::ranges::sized_range<decltype(v1)>);
EXPECT_TRUE(std::ranges::common_range<decltype(v1)>);
EXPECT_TRUE(seqan3::const_iterable_range<decltype(v1)>);
EXPECT_FALSE((std::ranges::output_range<decltype(v1), std::tuple<int, int>>));
EXPECT_TRUE((std::ranges::output_range<decltype(v1), int>));
}
// https://github.com/seqan/seqan3/issues/745
TEST(view_get, nested_zip_view)
{
std::vector vec1{0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
auto get_view = seqan3::views::zip(seqan3::views::zip(vec1, vec1), vec1) | seqan3::views::get<0>;
for (auto && elem : get_view)
std::get<0>(elem) = -1;
EXPECT_EQ(vec1[0], -1);
}
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