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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]")
{
using namespace nihil::ucl;
auto arr = array<integer>();
REQUIRE(arr.size() == 0);
REQUIRE(str(arr.type()) == "array");
}
TEST_CASE("ucl: array: push_back", "[ucl]")
{
using namespace nihil::ucl;
auto arr = array<integer>();
REQUIRE(arr.size() == 0);
arr.push_back(integer(1));
arr.push_back(integer(42));
arr.push_back(integer(666));
REQUIRE(arr.size() == 3);
REQUIRE(arr[0] == 1);
REQUIRE(arr[1] == 42);
REQUIRE(arr[2] == 666);
REQUIRE_THROWS_AS(arr[3], std::out_of_range);
REQUIRE(arr.front() == 1);
REQUIRE(arr.back() == 666);
}
TEST_CASE("ucl: array: compare", "[ucl]")
{
using namespace nihil::ucl;
auto arr = array<integer>();
arr.push_back(integer(1));
arr.push_back(integer(42));
arr.push_back(integer(666));
auto arr2 = array<integer>();
REQUIRE(arr != arr2);
arr2.push_back(integer(1));
arr2.push_back(integer(42));
arr2.push_back(integer(666));
REQUIRE(arr == arr2);
auto arr3 = array<integer>();
arr3.push_back(integer(1));
arr3.push_back(integer(1));
arr3.push_back(integer(1));
REQUIRE(arr != arr3);
}
TEST_CASE("ucl: array: iterator", "[ucl]")
{
using namespace nihil::ucl;
auto arr = array<integer>{integer(1), integer(42), integer(666)};
auto it = arr.begin();
REQUIRE(*it == 1);
auto end = arr.end();
REQUIRE(it != end);
REQUIRE(it < end);
++it;
REQUIRE(*it == 42);
++it;
REQUIRE(*it == 666);
--it;
REQUIRE(*it == 42);
++it;
REQUIRE(it != end);
++it;
REQUIRE(it == end);
}
TEST_CASE("ucl: array: parse", "[ucl]")
{
using namespace std::literals;
using namespace nihil::ucl;
auto input = "value = [1, 42, 666]"sv;
auto obj = parse(input);
auto v = obj.lookup("value");
REQUIRE(v);
REQUIRE(v->key() == "value");
auto arr = object_cast<array<integer>>(*v);
REQUIRE(arr.size() == 3);
REQUIRE(arr[0] == 1);
REQUIRE(arr[1] == 42);
REQUIRE(arr[2] == 666);
}
TEST_CASE("ucl: array: emit", "[ucl]")
{
using namespace nihil::ucl;
auto 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]")
{
using namespace nihil::ucl;
auto arr = array<integer>{integer(1), integer(42), integer(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<integer>();
std::ranges::copy(arr, std::back_inserter(vec));
REQUIRE(std::ranges::equal(arr, vec));
auto arr_as_ints =
arr | std::views::transform(&integer::value);
auto int_vec = std::vector<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});
}
TEST_CASE("ucl: array: bad object_cast", "[ucl]")
{
using namespace nihil::ucl;
auto arr = array<integer>();
REQUIRE_THROWS_AS(object_cast<integer>(arr), type_mismatch);
}
TEST_CASE("ucl: array: heterogeneous elements", "[ucl]")
{
using namespace std::literals;
using namespace nihil::ucl;
auto obj = parse("array [ 42, true, \"test\" ];");
auto v = obj.lookup("array");
REQUIRE(v);
auto arr = object_cast<array<>>(*v);
REQUIRE(arr.size() == 3);
auto int_obj = object_cast<integer>(arr[0]);
REQUIRE(int_obj == 42);
auto bool_obj = object_cast<boolean>(arr[1]);
REQUIRE(bool_obj == true);
auto string_obj = object_cast<string>(arr[2]);
REQUIRE(string_obj == "test");
}
TEST_CASE("ucl: array: heterogenous cast", "[ucl]")
{
using namespace nihil::ucl;
auto arr = array<>();
arr.push_back(integer(42));
arr.push_back(boolean(true));
// Converting to an array<integer> should fail.
REQUIRE_THROWS_AS(object_cast<array<integer>>(arr), type_mismatch);
// Converting to array<object> should succeed.
auto obj_arr = object_cast<array<object>>(arr);
REQUIRE(obj_arr[0] == integer(42));
}
TEST_CASE("ucl: array: homogeneous cast", "[ucl]")
{
using namespace nihil::ucl;
auto arr = array<>();
arr.push_back(integer(1));
arr.push_back(integer(42));
auto obj = object(ref, arr.get_ucl_object());
// Converting to array<string> should fail.
REQUIRE_THROWS_AS(object_cast<array<string>>(obj), type_mismatch);
// Converting to an array<integer> should succeed.
auto obj_arr = object_cast<array<integer>>(obj);
REQUIRE(obj_arr[0] == 1);
REQUIRE(obj_arr[1] == 42);
}
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