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Implement tests
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EduardGomezEscandell committed Dec 12, 2023
1 parent 008da57 commit 7c690fd
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2 changes: 2 additions & 0 deletions 2023/test/test.cpp
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#include "solvelib/03/day03_test.hpp"
#include "solvelib/04/day04_test.hpp"
#include "solvelib/05/day05_test.hpp"

#include "xmaslib/iota/iota_test.hpp"
66 changes: 66 additions & 0 deletions 2023/xmaslib/iota/iota_test.hpp
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#include "iota.hpp"

#include <doctest/doctest.h>

#include <algorithm>
#include <functional>
#include <iterator>
#include <numeric>
#include <ranges>
#include <vector>
#include <cstdint>

TEST_CASE("iota iterator") {

SUBCASE("Access") {
xmas::views::iota<std::int8_t> iota(3, 10);
REQUIRE_EQ(iota.size(), 7);

CHECK_EQ(iota.at(0), 3);
CHECK_EQ(iota.at(1), 4);
CHECK_EQ(iota.at(2), 5);
CHECK_EQ(iota.at(3), 6);
CHECK_EQ(iota.at(4), 7);
CHECK_EQ(iota.at(5), 8);
CHECK_EQ(iota.at(6), 9);

REQUIRE_THROWS(iota.at(7));

CHECK_EQ(iota[0], 3);
CHECK_EQ(iota[1], 4);
CHECK_EQ(iota[2], 5);
CHECK_EQ(iota[3], 6);
CHECK_EQ(iota[4], 7);
CHECK_EQ(iota[5], 8);
CHECK_EQ(iota[6], 9);
}

SUBCASE("Copy") {
xmas::views::iota<std::size_t> iota(11, 17);
std::vector<std::size_t> out;

std::copy(iota.cbegin(), iota.cend(), std::back_inserter(out));

REQUIRE_EQ(iota.size(), 6);
REQUIRE_EQ(out.size(), 6);

CHECK_EQ(out[0], 11);
CHECK_EQ(out[1], 12);
CHECK_EQ(out[2], 13);
CHECK_EQ(out[3], 14);
CHECK_EQ(out[4], 15);
CHECK_EQ(out[5], 16);
}

SUBCASE("Reduce") {
xmas::views::iota<int> iota(0, 10);
REQUIRE_EQ(iota.size(), 10u);

auto got = std::reduce(iota.begin(), iota.end(), 0, std::plus<int>{});
REQUIRE_EQ(got, 45);
}

SUBCASE("Views") {
xmas::views::iota<int>() | std::ranges::views::take(5);
}
}

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