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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 <type_traits>
#include <gtest/gtest.h>
#include <seqan3/core/pod_tuple.hpp>
// default/zero construction
TEST(pod_tuple_ctr, ctr)
{
[[maybe_unused]] seqan3::pod_tuple<int, long, float> t1;
}
// aggregate initialization
TEST(pod_tuple_aggr, aggr)
{
[[maybe_unused]] seqan3::pod_tuple<int, long, float> t1{4, 7l, 3.0f};
}
// zero initialization
TEST(pod_tuple_zro, zro)
{
seqan3::pod_tuple<int, long, float> t1{0, 0, 0};
seqan3::pod_tuple<int, long, float> t2{};
EXPECT_EQ(t1, t2);
}
// copy construction
TEST(pod_tuple_cp_ctr, cp_ctr)
{
seqan3::pod_tuple<int, long, float> t1{4, 7l, 3.0f};
seqan3::pod_tuple<int, long, float> t2{t1};
seqan3::pod_tuple<int, long, float> t3(t1);
EXPECT_EQ(t1, t2);
EXPECT_EQ(t2, t3);
}
// move construction
TEST(pod_tuple_mv_ctr, mv_ctr)
{
seqan3::pod_tuple<int, long, float> t0{4, 7l, 3.0f};
seqan3::pod_tuple<int, long, float> t1{4, 7l, 3.0f};
seqan3::pod_tuple<int, long, float> t2{std::move(t1)};
EXPECT_EQ(t2, t0);
seqan3::pod_tuple<int, long, float> t3(std::move(t2));
EXPECT_EQ(t3, t0);
}
// copy assignment
TEST(pod_tuple_cp_assgn, cp_assgn)
{
seqan3::pod_tuple<int, long, float> t1{4, 7l, 3.0f};
seqan3::pod_tuple<int, long, float> t2;
seqan3::pod_tuple<int, long, float> t3;
t2 = t1;
t3 = t1;
EXPECT_EQ(t1, t2);
EXPECT_EQ(t2, t3);
}
// move assignment
TEST(pod_tuple_mv_assgn, mv_assgn)
{
seqan3::pod_tuple<int, long, float> t0{4, 7l, 3.0f};
seqan3::pod_tuple<int, long, float> t1{4, 7l, 3.0f};
seqan3::pod_tuple<int, long, float> t2;
seqan3::pod_tuple<int, long, float> t3;
t2 = std::move(t1);
EXPECT_EQ(t2, t0);
t3 = std::move(t2);
EXPECT_EQ(t3, t0);
}
// swap
TEST(pod_tuple_swap, swap)
{
seqan3::pod_tuple<int, long, float> t0{4, 7l, 3.0f};
seqan3::pod_tuple<int, long, float> t1{4, 7l, 3.0f};
seqan3::pod_tuple<int, long, float> t2{};
seqan3::pod_tuple<int, long, float> t3{};
std::swap(t1, t2);
EXPECT_EQ(t2, t0);
EXPECT_EQ(t1, t3);
}
// get<1>
TEST(pod_tuple_get_i, get_i)
{
seqan3::pod_tuple<int, long, float> t0{4, 7l, 3.0f};
static_assert(std::is_same_v<decltype(seqan3::get<0>(t0)), int &>);
static_assert(std::is_same_v<decltype(seqan3::get<1>(t0)), long &>);
static_assert(std::is_same_v<decltype(seqan3::get<2>(t0)), float &>);
EXPECT_EQ(seqan3::get<0>(t0), 4);
EXPECT_EQ(seqan3::get<1>(t0), 7l);
EXPECT_EQ(seqan3::get<2>(t0), 3.0f);
}
// std::get<1>
TEST(pod_tuple, stdget_i)
{
seqan3::pod_tuple<int, long, float> t0{4, 7l, 3.0f};
static_assert(std::is_same_v<decltype(std::get<0>(t0)), int &>);
static_assert(std::is_same_v<decltype(std::get<1>(t0)), long &>);
static_assert(std::is_same_v<decltype(std::get<2>(t0)), float &>);
EXPECT_EQ(std::get<0>(t0), 4);
EXPECT_EQ(std::get<1>(t0), 7l);
EXPECT_EQ(std::get<2>(t0), 3.0f);
}
// structured bindings
TEST(pod_tuple_struct_binding, struct_binding)
{
seqan3::pod_tuple<int, long, float> t0{4, 7l, 3.0f};
auto [ i, l, f ] = t0;
EXPECT_EQ(i, 4);
EXPECT_EQ(l, 7l);
EXPECT_EQ(f, 3.0f);
}
// get<type>
TEST(pod_tuple_get_type, get_type)
{
using pt = seqan3::pod_tuple<int, long, float>;
using ptc = pt const;
pt t0{4, 7l, 3.0f};
ptc t1{4, 7l, 3.0f};
static_assert(std::is_same_v<decltype(seqan3::get<int>(t0)), int &>);
static_assert(std::is_same_v<decltype(seqan3::get<long>(t0)), long &>);
static_assert(std::is_same_v<decltype(seqan3::get<float>(t0)), float &>);
static_assert(std::is_same_v<decltype(seqan3::get<int>(t1)), int const &>);
static_assert(std::is_same_v<decltype(seqan3::get<long>(t1)), long const &>);
static_assert(std::is_same_v<decltype(seqan3::get<float>(t1)), float const &>);
static_assert(std::is_same_v<decltype(seqan3::get<int>(pt{4, 7l, 3.0f})), int &&>);
static_assert(std::is_same_v<decltype(seqan3::get<long>(pt{4, 7l, 3.0f})), long &&>);
static_assert(std::is_same_v<decltype(seqan3::get<float>(pt{4, 7l, 3.0f})), float &&>);
static_assert(std::is_same_v<decltype(seqan3::get<int>(ptc{4, 7l, 3.0f})), int const &&>);
static_assert(std::is_same_v<decltype(seqan3::get<long>(ptc{4, 7l, 3.0f})), long const &&>);
static_assert(std::is_same_v<decltype(seqan3::get<float>(ptc{4, 7l, 3.0f})), float const &&>);
EXPECT_EQ(seqan3::get<int>(t0), 4);
EXPECT_EQ(seqan3::get<long>(t0), 7l);
EXPECT_EQ(seqan3::get<float>(t0), 3.0f);
EXPECT_EQ(seqan3::get<int>(t1), 4);
EXPECT_EQ(seqan3::get<long>(t1), 7l);
EXPECT_EQ(seqan3::get<float>(t1), 3.0f);
EXPECT_EQ(seqan3::get<int>(pt{4, 7l, 3.0f}), 4);
EXPECT_EQ(seqan3::get<long>(pt{4, 7l, 3.0f}), 7l);
EXPECT_EQ(seqan3::get<float>(pt{4, 7l, 3.0f}), 3.0f);
EXPECT_EQ(seqan3::get<int>(ptc{4, 7l, 3.0f}), 4);
EXPECT_EQ(seqan3::get<long>(ptc{4, 7l, 3.0f}), 7l);
EXPECT_EQ(seqan3::get<float>(ptc{4, 7l, 3.0f}), 3.0f);
}
// std::get<type>
TEST(pod_tuple_get_type, stdget_type)
{
using pt = seqan3::pod_tuple<int, long, float>;
using ptc = pt const;
pt t0{4, 7l, 3.0f};
ptc t1{4, 7l, 3.0f};
static_assert(std::is_same_v<decltype(std::get<int>(t0)), int &>);
static_assert(std::is_same_v<decltype(std::get<long>(t0)), long &>);
static_assert(std::is_same_v<decltype(std::get<float>(t0)), float &>);
static_assert(std::is_same_v<decltype(std::get<int>(t1)), int const &>);
static_assert(std::is_same_v<decltype(std::get<long>(t1)), long const &>);
static_assert(std::is_same_v<decltype(std::get<float>(t1)), float const &>);
static_assert(std::is_same_v<decltype(std::get<int>(pt{4, 7l, 3.0f})), int &&>);
static_assert(std::is_same_v<decltype(std::get<long>(pt{4, 7l, 3.0f})), long &&>);
static_assert(std::is_same_v<decltype(std::get<float>(pt{4, 7l, 3.0f})), float &&>);
static_assert(std::is_same_v<decltype(std::get<int>(ptc{4, 7l, 3.0f})), int const &&>);
static_assert(std::is_same_v<decltype(std::get<long>(ptc{4, 7l, 3.0f})), long const &&>);
static_assert(std::is_same_v<decltype(std::get<float>(ptc{4, 7l, 3.0f})), float const &&>);
EXPECT_EQ(std::get<int>(t0), 4);
EXPECT_EQ(std::get<long>(t0), 7l);
EXPECT_EQ(std::get<float>(t0), 3.0f);
EXPECT_EQ(std::get<int>(t1), 4);
EXPECT_EQ(std::get<long>(t1), 7l);
EXPECT_EQ(std::get<float>(t1), 3.0f);
EXPECT_EQ(std::get<int>(pt{4, 7l, 3.0f}), 4);
EXPECT_EQ(std::get<long>(pt{4, 7l, 3.0f}), 7l);
EXPECT_EQ(std::get<float>(pt{4, 7l, 3.0f}), 3.0f);
EXPECT_EQ(std::get<int>(ptc{4, 7l, 3.0f}), 4);
EXPECT_EQ(std::get<long>(ptc{4, 7l, 3.0f}), 7l);
EXPECT_EQ(std::get<float>(ptc{4, 7l, 3.0f}), 3.0f);
}
// std::tuple_element
TEST(pod_tuple_tuple_element, tuple_element)
{
using pt = seqan3::pod_tuple<int, long, float>;
static_assert(std::is_same_v<std::tuple_element_t<0, pt>, int>);
static_assert(std::is_same_v<std::tuple_element_t<1, pt>, long>);
static_assert(std::is_same_v<std::tuple_element_t<2, pt>, float>);
static_assert(std::tuple_size_v<pt> == 3);
}
// type deduction
TEST(pod_tuple_type_deduce, type_deduce)
{
seqan3::pod_tuple t0{4, 7l, 3.0f};
using pt = decltype(t0);
static_assert(std::is_same_v<std::tuple_element_t<0, pt>, int>);
static_assert(std::is_same_v<std::tuple_element_t<1, pt>, long>);
static_assert(std::is_same_v<std::tuple_element_t<2, pt>, float>);
}
// comparison operators
TEST(pod_tuple_cmp, cmp)
{
seqan3::pod_tuple<int, long, float> t0{4, 6l, 4.0f};
seqan3::pod_tuple<int, long, float> t1{4, 7l, 3.0f};
seqan3::pod_tuple<int, long, float> t2{4, 7l, 4.0f};
EXPECT_LT(t0, t1);
EXPECT_LE(t0, t1);
EXPECT_LE(t1, t1);
EXPECT_EQ(t1, t1);
EXPECT_GE(t1, t1);
EXPECT_GE(t2, t1);
EXPECT_GT(t2, t1);
}
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