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/*
* This source code is released into the public domain.
*/
#include <algorithm>
#include <concepts>
#include <expected>
#include <ranges>
#include <string>
#include <catch2/catch_test_macros.hpp>
#include <ucl.h>
import nihil.ucl;
TEST_CASE("ucl: array: invariants", "[ucl]")
{
using namespace nihil::ucl;
REQUIRE(array<>::ucl_type == object_type::array);
REQUIRE(static_cast<::ucl_type>(array<>::ucl_type) == UCL_ARRAY);
static_assert(std::destructible<array<>>);
static_assert(std::default_initializable<array<>>);
static_assert(std::move_constructible<array<>>);
static_assert(std::copy_constructible<array<>>);
static_assert(std::equality_comparable<array<>>);
static_assert(std::totally_ordered<array<>>);
static_assert(std::swappable<array<>>);
static_assert(std::ranges::sized_range<array<integer>>);
static_assert(std::same_as<std::ranges::range_value_t<array<integer>>,
integer>);
}
TEST_CASE("ucl: array: constructor", "[ucl]")
{
using namespace nihil::ucl;
SECTION("default") {
auto arr = array<integer>();
REQUIRE(arr.size() == 0);
REQUIRE(str(arr.type()) == "array");
}
SECTION("from range") {
auto vec = std::vector{integer(1), integer(42)};
auto arr = array<integer>(std::from_range, vec);
REQUIRE(arr.size() == 2);
REQUIRE(arr[0] == 1);
REQUIRE(arr[1] == 42);
}
SECTION("from iterator pair") {
auto vec = std::vector{integer(1), integer(42)};
auto arr = array<integer>(std::ranges::begin(vec),
std::ranges::end(vec));
REQUIRE(arr.size() == 2);
REQUIRE(arr[0] == 1);
REQUIRE(arr[1] == 42);
}
SECTION("from initializer_list") {
auto arr = array<integer>{integer(1), integer(42)};
REQUIRE(arr.size() == 2);
REQUIRE(arr[0] == 1);
REQUIRE(arr[1] == 42);
}
}
TEST_CASE("ucl: array: construct from UCL object", "[ucl]")
{
using namespace nihil::ucl;
SECTION("ref, correct type") {
auto uarr = ::ucl_object_typed_new(UCL_ARRAY);
auto uint = ::ucl_object_fromint(42);
::ucl_array_append(uarr, uint);
auto arr = array<integer>(ref, uarr);
REQUIRE(arr[0] == 42);
::ucl_object_unref(uarr);
}
SECTION("noref, correct type") {
auto uarr = ::ucl_object_typed_new(UCL_ARRAY);
auto uint = ::ucl_object_fromint(42);
::ucl_array_append(uarr, uint);
auto arr = array<integer>(noref, uarr);
REQUIRE(arr[0] == 42);
}
SECTION("ref, wrong element type") {
auto uarr = ::ucl_object_typed_new(UCL_ARRAY);
auto uint = ::ucl_object_frombool(true);
::ucl_array_append(uarr, uint);
auto arr = array<integer>(noref, uarr);
REQUIRE_THROWS_AS(arr[0], type_mismatch);
}
SECTION("ref, wrong type") {
auto uobj = ::ucl_object_frombool(true);
REQUIRE_THROWS_AS(array(ref, uobj), type_mismatch);
::ucl_object_unref(uobj);
}
SECTION("noref, wrong type") {
auto uobj = ::ucl_object_frombool(true);
REQUIRE_THROWS_AS(array(noref, uobj), type_mismatch);
::ucl_object_unref(uobj);
}
}
TEST_CASE("ucl: array: swap", "[ucl]")
{
// do not add using namespace nihil::ucl
auto arr1 = nihil::ucl::array<nihil::ucl::integer>{
nihil::ucl::integer(1),
nihil::ucl::integer(2)
};
auto arr2 = nihil::ucl::array<nihil::ucl::integer>{
nihil::ucl::integer(3),
};
swap(arr1, arr2);
REQUIRE(arr1.size() == 1);
REQUIRE(arr1[0] == 3);
REQUIRE(arr2.size() == 2);
REQUIRE(arr2[0] == 1);
}
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>{
integer(1), integer(42), 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>{
integer(1), integer(1), 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 obj = parse("value = [1, 42, 666]"sv).value();
auto arr = object_cast<array<integer>>(obj["value"]).value();
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];").value();
auto output = std::format("{:c}", ucl);
REQUIRE(output ==
"array [\n"
" 1,\n"
" 42,\n"
" 666,\n"
"]\n");
}
TEST_CASE("ucl: array: format", "[ucl]")
{
using namespace nihil::ucl;
SECTION("empty array") {
auto arr = array<integer>();
REQUIRE(std::format("{}", arr) == "[]");
}
SECTION("bare array") {
auto arr = array<integer>{
integer(1), integer(42), integer(666)
};
auto output = std::format("{}", arr);
REQUIRE(output == "[1, 42, 666]");
}
SECTION("parsed array") {
auto ucl = parse("array = [1, 42, 666];").value();
auto arr = object_cast<array<integer>>(ucl["array"]).value();
auto output = std::format("{}", arr);
REQUIRE(output == "[1, 42, 666]");
}
}
TEST_CASE("ucl: array: print to ostream", "[ucl]")
{
using namespace nihil::ucl;
SECTION("empty array") {
auto arr = array<integer>();
auto strm = std::ostringstream();
strm << arr;
REQUIRE(strm.str() == "[]");
}
SECTION("bare array") {
auto arr = array<integer>{
integer(1), integer(42), integer(666)
};
auto strm = std::ostringstream();
strm << arr;
REQUIRE(strm.str() == "[1, 42, 666]");
}
SECTION("parsed array") {
auto ucl = parse("array = [1, 42, 666];").value();
auto arr = object_cast<array<integer>>(ucl["array"]).value();
auto strm = std::ostringstream();
strm << arr;
REQUIRE(strm.str() == "[1, 42, 666]");
}
}
TEST_CASE("ucl: array is a sized_range", "[ucl]")
{
using namespace nihil::ucl;
auto arr = array<integer>{integer(1), integer(42), integer(666)};
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::contained_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>();
auto cast_ok = object_cast<integer>(arr);
REQUIRE(!cast_ok);
}
TEST_CASE("ucl: array: heterogeneous elements", "[ucl]")
{
using namespace std::literals;
using namespace nihil::ucl;
auto obj_err = parse("array [ 42, true, \"test\" ];");
REQUIRE(obj_err);
auto obj = *obj_err;
auto err = object_cast<array<>>(obj["array"]);
REQUIRE(err);
auto arr = *err;
REQUIRE(arr.size() == 3);
auto int_obj = object_cast<integer>(arr[0]);
REQUIRE(int_obj);
REQUIRE(*int_obj == 42);
auto bool_obj = object_cast<boolean>(arr[1]);
REQUIRE(bool_obj);
REQUIRE(*bool_obj == true);
auto string_obj = object_cast<string>(arr[2]);
REQUIRE(string_obj);
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.
auto cast_ok = object_cast<array<integer>>(arr);
REQUIRE(!cast_ok);
// Converting to array<object> should succeed.
auto err = object_cast<array<object>>(arr);
REQUIRE(err);
auto obj_arr = *err;
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.
auto cast_ok = object_cast<array<string>>(obj);
REQUIRE(!cast_ok);
// Converting to an array<integer> should succeed.
auto err = object_cast<array<integer>>(obj);
REQUIRE(err);
auto obj_arr = *err;
REQUIRE(obj_arr[0] == 1);
REQUIRE(obj_arr[1] == 42);
}
TEST_CASE("array iterator: empty iterator", "[ucl]")
{
using namespace nihil::ucl;
auto it = array_iterator<integer>();
REQUIRE_THROWS_AS(*it, std::logic_error);
REQUIRE_THROWS_AS(it[0], std::logic_error);
REQUIRE_THROWS_AS(it++, std::logic_error);
REQUIRE_THROWS_AS(++it, std::logic_error);
auto it2 = array_iterator<integer>();
REQUIRE(it == it2);
REQUIRE((it < it2) == false);
REQUIRE((it > it2) == false);
}
TEST_CASE("array iterator: invalid operations", "[ucl]")
{
using namespace nihil::ucl;
auto arr = array<integer>{ integer(42) };
auto it = arr.begin();
SECTION("decrement before start") {
REQUIRE_THROWS_AS(--it, std::logic_error);
REQUIRE_THROWS_AS(it--, std::logic_error);
REQUIRE_THROWS_AS(it - 1, std::logic_error);
}
SECTION("increment past end") {
++it;
REQUIRE(it == arr.end());
REQUIRE_THROWS_AS(++it, std::logic_error);
REQUIRE_THROWS_AS(it++, std::logic_error);
REQUIRE_THROWS_AS(it + 1, std::logic_error);
}
SECTION("dereference iterator at end") {
REQUIRE_THROWS_AS(it[1], std::logic_error);
++it;
REQUIRE(it == arr.end());
REQUIRE_THROWS_AS(*it, std::logic_error);
}
SECTION("compare with different array") {
auto arr2 = array<integer>{ integer(42) };
REQUIRE_THROWS_AS(it == arr2.begin(), std::logic_error);
REQUIRE_THROWS_AS(it > arr2.begin(), std::logic_error);
REQUIRE_THROWS_AS(it - arr2.begin(), std::logic_error);
}
SECTION("compare with empty iterator") {
auto it2 = array_iterator<integer>();
REQUIRE_THROWS_AS(it == it2, std::logic_error);
REQUIRE_THROWS_AS(it > it2, std::logic_error);
REQUIRE_THROWS_AS(it - it2, std::logic_error);
}
}
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