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/*
* This source code is released into the public domain.
*/
#include <concepts>
#include <cstdint>
#include <string>
#include <catch2/catch_test_macros.hpp>
#include <ucl.h>
import nihil.ucl;
TEST_CASE("ucl: integer: invariants", "[ucl]")
{
using namespace nihil::ucl;
static_assert(std::same_as<std::int64_t, integer::contained_type>);
REQUIRE(integer::ucl_type == object_type::integer);
REQUIRE(static_cast<::ucl_type>(integer::ucl_type) == UCL_INT);
static_assert(std::destructible<integer>);
static_assert(std::default_initializable<integer>);
static_assert(std::move_constructible<integer>);
static_assert(std::copy_constructible<integer>);
static_assert(std::equality_comparable<integer>);
static_assert(std::totally_ordered<integer>);
static_assert(std::swappable<integer>);
}
TEST_CASE("ucl: integer: default construct", "[ucl]")
{
auto i = nihil::ucl::integer();
REQUIRE(i == 0);
}
TEST_CASE("ucl: integer: construct", "[ucl]")
{
auto i = nihil::ucl::integer(42);
REQUIRE(i == 42);
}
TEST_CASE("ucl: integer: swap", "[ucl]")
{
// do not add using namespace nihil::ucl
auto i1 = nihil::ucl::integer(1);
auto i2 = nihil::ucl::integer(2);
swap(i1, i2);
REQUIRE(i1 == 2);
REQUIRE(i2 == 1);
}
TEST_CASE("ucl: integer: value()", "[ucl]")
{
auto i = nihil::ucl::integer(42);
REQUIRE(i.value() == 42);
}
TEST_CASE("ucl: integer: key()", "[ucl]")
{
using namespace nihil::ucl;
auto err = parse("an_int = 42");
REQUIRE(err);
auto obj = *err;
REQUIRE(object_cast<integer>(obj["an_int"])->key() == "an_int");
auto i = nihil::ucl::integer(42);
REQUIRE(i.key() == "");
}
TEST_CASE("ucl: integer: operator==", "[ucl]")
{
auto i = nihil::ucl::integer(42);
REQUIRE(i == 42);
REQUIRE(i == nihil::ucl::integer(42));
REQUIRE(i != 1);
REQUIRE(i != nihil::ucl::integer(1));
}
TEST_CASE("ucl: integer: operator<=>", "[ucl]")
{
auto i = nihil::ucl::integer(42);
REQUIRE(i < 43);
REQUIRE(i < nihil::ucl::integer(43));
REQUIRE(i > 1);
REQUIRE(i > nihil::ucl::integer(1));
}
TEST_CASE("ucl: integer: parse", "[ucl]")
{
using namespace std::literals;
auto err = nihil::ucl::parse("value = 42"sv);
REQUIRE(err);
auto obj = *err;
auto v = obj["value"];
REQUIRE(v.key() == "value");
REQUIRE(object_cast<nihil::ucl::integer>(v) == 42);
}
TEST_CASE("ucl: integer: emit", "[ucl]")
{
auto i = nihil::ucl::integer(42);
auto str = std::format("{}", i);
REQUIRE(str == "42");
}
TEST_CASE("ucl: integer: parse and emit", "[ucl]")
{
auto ucl = nihil::ucl::parse("int = 42;");
REQUIRE(ucl);
auto output = std::string();
emit(*ucl, nihil::ucl::emitter::configuration,
std::back_inserter(output));
REQUIRE(output == "int = 42;\n");
}
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