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/*
* This source code is released into the public domain.
*/
#include <algorithm>
#include <ranges>
#include <string>
#include <catch2/catch_test_macros.hpp>
import nihil.ucl;
TEST_CASE("ucl: array: construct", "[ucl]")
{
auto arr = nihil::ucl::array<nihil::ucl::integer>();
REQUIRE(arr.size() == 0);
}
TEST_CASE("ucl: array: push_back", "[ucl]")
{
auto arr = nihil::ucl::array<nihil::ucl::integer>();
REQUIRE(arr.size() == 0);
arr.push_back(nihil::ucl::integer(1));
arr.push_back(nihil::ucl::integer(42));
arr.push_back(nihil::ucl::integer(666));
REQUIRE(arr.size() == 3);
REQUIRE(arr[0].value() == 1);
REQUIRE(arr[1].value() == 42);
REQUIRE(arr[2].value() == 666);
REQUIRE_THROWS_AS(arr[3], std::out_of_range);
REQUIRE(arr.front() == 1);
REQUIRE(arr.back() == 666);
}
TEST_CASE("ucl: array: compare", "[ucl]")
{
auto arr = nihil::ucl::array<nihil::ucl::integer>();
arr.push_back(1);
arr.push_back(42);
arr.push_back(666);
auto arr2 = nihil::ucl::array<nihil::ucl::integer>();
REQUIRE(arr != arr2);
arr2.push_back(1);
arr2.push_back(42);
arr2.push_back(666);
REQUIRE(arr == arr2);
auto arr3 = nihil::ucl::array<nihil::ucl::integer>();
arr3.push_back(1);
arr3.push_back(1);
arr3.push_back(1);
REQUIRE(arr != arr3);
}
TEST_CASE("ucl: array: iterator", "[ucl]")
{
auto arr = nihil::ucl::array<nihil::ucl::integer>{1, 42, 666};
auto it = arr.begin();
REQUIRE(*it == 1);
++it;
REQUIRE(*it == 42);
++it;
REQUIRE(*it == 666);
--it;
REQUIRE(*it == 42);
}
TEST_CASE("ucl: array: parse", "[ucl]")
{
using namespace std::literals;
auto input = "value = [1, 42, 666]"sv;
auto obj = nihil::ucl::parse(input);
auto v = obj.lookup("value");
REQUIRE(v);
REQUIRE(v->key() == "value");
auto arr = object_cast<nihil::ucl::array<nihil::ucl::integer>>(*v);
REQUIRE(arr.size() == 3);
REQUIRE(arr[0] == 1);
REQUIRE(arr[1] == 42);
REQUIRE(arr[2] == 666);
}
TEST_CASE("ucl: array: emit", "[ucl]")
{
auto ucl = nihil::ucl::parse("array = [1, 42, 666];");
auto output = std::format("{:c}", ucl);
REQUIRE(output ==
"array [\n"
" 1,\n"
" 42,\n"
" 666,\n"
"]\n");
}
TEST_CASE("ucl: array is a sized_range", "[ucl]")
{
auto arr = nihil::ucl::array<nihil::ucl::integer>{1, 42, 666};
static_assert(std::ranges::sized_range<decltype(arr)>);
auto size = std::ranges::size(arr);
REQUIRE(size == 3);
auto begin = std::ranges::begin(arr);
static_assert(std::random_access_iterator<decltype(begin)>);
auto end = std::ranges::end(arr);
static_assert(std::sentinel_for<decltype(end), decltype(begin)>);
REQUIRE(std::distance(begin, end) == 3);
auto vec = std::vector<nihil::ucl::integer>();
std::ranges::copy(arr, std::back_inserter(vec));
REQUIRE(std::ranges::equal(arr, vec));
auto arr_as_ints =
arr | std::views::transform(&nihil::ucl::integer::value);
auto int_vec = std::vector<nihil::ucl::integer::value_type>();
std::ranges::copy(arr_as_ints, std::back_inserter(int_vec));
REQUIRE(int_vec == std::vector<std::int64_t>{1, 42, 666});
}
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